How Solvent Distillation Equipment Reduces Hazardous Waste?

The waste created by manufacturing facilities may be a burden on the environment, especially if the material is dangerous. To properly dispose of hazardous waste, companies must adhere to local, state, and federal environmental rules. Solvent distillation equipment allows businesses to accomplish just that while also recovering wasted raw materials.

Distillation is the most cost-efficient and ecologically friendly way of dealing with hazardous waste containing wasted solvents. In contrast to traditional fuel mixing, purified solvents are returned to the industry to extend the product's life, minimizing and reusing hazardous waste. This is how you do it.

How does Solvent Distillation work?

Liquids in hazardous waste are filtered and combined in a blending tank when it arrives at a solvent distillation facility. After that, they're sent to a solvent recovery still.

To create steam, solid wastes are thermally processed at 1,500 degrees Fahrenheit. After that, the steam is used to run the recovery stills.

The solvent distillation process starts at the solvent recovery still:

• Solvent waste is received and sorted. They're also subjected to a fingerprint examination.

• Pumping and filtration of liquid drums are conducted.

• Solvents are pumped to the distillation unit once filtration has been completed.

• The fractionation column fills with vaporized solvent vapors.

• The solvent is cooled by the heat exchanger.

• The solvent is poured into a completed product tank when it has cooled.

• The product is subsequently packed and sent back to the industry in barrels and totes.

How Does Distillation Equipment Work together?

The solvent distillation process involves the application and removal of heat to separate a liquid or vapor combination into its component fractions of desired purity.

A boiling mixture's vapor is richer in low boil point components during the solvent distillation recovery process. The liquid condensate is ready to be sold back into the industry once the vapor is cooled and condensed.

The non-vaporizing component of the original mixture stays at the bottom of the recovery still. This component is especially significant since it may be utilized as a source of alternative fuel in some industries.

So, how do distillation equipment collaborate to reach this modern-day recycling goal?

When a corporation manufactures and transfers hazardous waste to a solvent distillation plant, the garbage is identified and sorted using fingerprint analysis.

Solvents are piped to the distillation unit after liquid drums are pumped and filtered. Volatile solvent vapors extend into the fractionation column here.

The solvent is cooled and delivered to a final product tank through a heat exchanger. The product is subsequently packed and sent back to the industry in barrels and totes. Solid wastes are thermally processed to produce steam, which is then utilized to power the recovery stills.

What Solvents Can Be Recycled Using Distillation Equipment?

Solvents are molecules that have the ability to dissolve solutes or other molecules. A solvent is a substance that can be solid, liquid, or gaseous. The solute molecules get uniformly dispersed throughout the solvent when the molecules of a solvent pull apart the molecules of a solute. At this point in the operation, the solvent and solute can only be separated by heat or another chemical procedure.

Solvents may be recycled, reprocessed, and reused in large quantities. The following are some examples of solvents that are often recycled:

• Aliphatic

• Aromatics

• Halogenated hydrocarbons

• Alcohols

• Ketones

• Esters

Water is among the most common and widely used solvents available.

Recycling Solvents Benefits

When a product's life cycle is extended, trash is transformed into a useful resource once again. Solvent distillation creates a closed-loop recycling system when paired with energy recovery, guaranteeing that nothing is wasted.

When hazardous waste materials are converted to energy and utilized to power solvent recovery stills, a company's carbon footprint is significantly decreased.

Because fewer truckloads of materials are transported off-site for secondary recycling at cement kilns, solvent distillation and the closed-loop recycling process help to prevent further pollution.

Indeed, for every 100 gallons of common solvents distilled, 30 gallons of still bottoms are produced, which are then combined with ash. You may save money on transportation and minimize your carbon footprint by reducing the number of truckloads that go to the closest cement kilns.

The following are some of the advantages of reusing your used solvent by distillation:

• Purchase expenses for virgin solvent are lower.

• Spent solvent disposal expenditures are reduced.

• Due to a reduction in the amount of hazardous waste created, the status of the hazardous waste generator may change.

How It Helps The Environment?

Solvent distillation is a crucial procedure for reducing the quantity of hazardous waste that is disposed of in the environment. Solvent distillation guarantees that waste becomes valuable again by extending the life of the product.

When hazardous waste materials are converted to energy and utilized to power solvent recovery stills, it also minimizes a company's carbon impact.

Solvent distillation also reduces pollution by preventing the production of additional trash. When evaluating a company's carbon footprint, waste transportation is one of the most influential operations. Solvent distillation considerably reduces the number of truckloads used to transfer materials off-site for secondary recycling at a cement kiln.

When used as part of a True Closed Loop Recycling system, solvent distillation minimizes hazardous waste even further. This system consists of a waste solids energy recovery process and a waste solvent distillation process.

Almost nothing is wasted when using a Closed Loop Recycling system. 30 gallons of still bottoms are created for every 100 gallons of solvents distilled and combined with ash. This procedure guarantees that all garbage is recycled and avoided landfills. This also assures that the company complies with all local, state, and federal standards, while also reducing waste and contributing to environmental preservation.

Conclusion

Solvent distillation equipment plays a vital role in minimizing the quantity of hazardous waste disposed of in landfills. Every piece of equipment works together to extend a product's life, restoring its value.

The benefits of solvent distillation systems are multiplied when used as part of a closed-loop recycling system, allowing a corporation to attain the maximum level of sustainability and corporate responsibility.

Alaqua is USA based processing equipment such as the evaporator, heat exchanger, crystallizer, solvent recovery, spray dryer, and distillation equipment supplier worldwide that also offers their services. They have 25+ years of experience in processing equipment products and services. Contact them to get processing equipment, information and queries today!

Factors That Affect Sugar Crystallization

Crystallization is the process of solid crystals precipitating from a solution, either naturally or artificially. It's also a chemical solid-liquid separation process that involves the mass transfer of a solute from a liquid solution to a crystalline phase in the form of a solid. As a result, crystallization is a precipitation process resulting from a change in the solubility of the solute in the solvent. Nuclei creation and crystal development are the two key processes in the crystallization process. Alaqua is a processing equipment supplier for the evaporator, crystallizer, distillation equipment, spray dryer, heat exchanger, and solvent recovery systems.

Factors Affecting Sugar Crystallization

Crystallizing the sugar solution is required for manufacturing icings, frostings, or sweets such as fondant and fudge. Nuclei must develop in the fluid before crystallization can begin. Crystals are formed by adding solution material to these nuclei. The type of the crystallizing material, the concentration, temperature, agitation, and contaminants present in the solution all influence the rate of nuclei production and crystallization.

Nature of crystallizing substance

Some substances, such as salt, crystallize rapidly from a solution of water. Nuclear formation begins with only a small super-saturation, and any additional salt in the solution beyond the saturation threshold crystallizes. Some chemicals, such as salt, do not readily form nuclei or crystallize. When it comes to sucrose, a high level of supersaturation is frequently required before crystallization can begin. Compared to levulose, sucrose crystallizes faster.

Nuclei formation

A supersaturated solution is required for nuclei to form for crystallization to proceed. Several variables impact the nuclei creation process, which involves the joining of atoms to create nuclei. A few nuclei may develop spontaneously in various areas if a solution is permitted to stand, and crystallization proceeds from these nuclei. The crystals grow to a considerable size when just a few nuclei form spontaneously in the solution. In most cases, nucleus production and crystallization do not commence right after supersaturation. Specks of dust in the solution may help accelerate nuclear production. The pace of nuclear production is sped up by agitating or churning a solution. A decline in temperature encourages the creation of nuclei initially but eventually slows it down. Seeding a solution can be utilized to start crystallization instead of waiting for nuclei to develop spontaneously.

Seeding

Seeding is the technique of adding crystals of the same substance to start crystallization. These crystals act as nuclei for the formation of new crystals. If the number of crystals supplied is considerable but the size of the crystals is modest, the solution contains many nuclei and the resultant crystals are tiny. The nuclei generated are few in number and the crystals created are massive if the amount of material supplied is minimal. Many people believe that all crystals are large enough to be seen, however many are actually incredibly little, so small that they may float in the air. If crystals are floating in the air, they may act as seed solutions, causing crystallization to begin.

Rate of crystallization

New molecules from the solution are deposited in a regular sequence or way onto the nuclei generated in the solution, resulting in a characteristic shape for each crystal. A crystal's growth rate might differ depending on which side or face it is on. The rate of crystallization refers to how quickly nuclei expand in size. The concentration and temperature of the solution may promote this pace; foreign elements may slow it down.

Solution Concentration

The formation of nuclei is aided by a concentrated solution. 114°C fondant syrup cooked to 111°C has less water and is more concentrated. As a result, the one cooked to 114°C forms nuclei more easily. If the degree of supersaturation is not too considerable, large, well-shaped crystals form more easily. Supersaturation between 70° and 90°C is the most favorable for crystal formation in a sucrose solution cooked to 112°C. When the syrup is swirled at these temperatures, crystallization takes place in a relatively short period, but the crystals generated are bigger than when the syrup is cooled to a lower temperature. The growth of tiny crystals necessitates supersaturation and a low temperature.

Crystallization Temperature

It is a well-known fact that when chemical precipitates are crystallized at high temperatures, they tend to become more coarsely crystalline. This is how sugars work in general. Other factors being equal, the coarser the crystals created, the greater the temperature at which crystal formation takes place. A decline in temperature promotes the development of nuclei at first but later inhibits it. Chilling sugar syrups to a specific temperature promotes crystallization, whereas cooling to a lower temperature inhibits it. Because the viscosity of a saturated sugar solution increases when the temperature drops below 70°C, crystal formation slows as well.

Agitation

Stirring a solution promotes nuclei production while preventing the deposit of solution material on already formed nuclei. As a result, crystals in agitated solutions do not grow to the same size as crystals that form naturally. If tiny crystals are sought, the circumstances must allow for the formation of a large number of nuclei. If the syrup is agitated until the bulk is kneadable, small crystals can be formed in syrups of known concentration and temperature. Some nuclei are created when the syrup is churned for a brief period, but when the agitation is halted, the development of additional nuclei is discouraged, and crystal growth is encouraged. If tiny crystals are needed, it is critical to mix candy and frosting syrups until almost all of the material has crystallized. Large sugar crystals can develop when impurities in the sugar syrup are present. Impurities encourage the production of premature crystals, which can grow to be large and bothersome.

Interfering substances

Certain goods can be introduced to inhibit crystal formation and development. Interfering agents are things like cream, butter, and egg white. The agents cover the crystals and prevent huge crystals from forming. Boiling the sugar syrup to the correct temperature is very critical, as is ensuring that the sugar is completely dissolved.

Degree of inversion

Sweets with a high sugar content (sucrose) may crystallize during production or storage (commonly referred to as graining). Although this is beneficial in some items (such as fondant and fudge), it is seen as a quality flaw in most others. When a sugar solution is heated, a portion of the sucrose is converted to invert sugar. This inverted sugar prevents sucrose crystallization while also increasing the total sugar content in the mixture. However, because of this natural inversion process, it's impossible to predict how much-inverted sugar will be created. Certain substances, such as cream of tartar or citric acid, may be used to limit the amount of inversion. These additives speed up the conversion of sucrose to invert sugar, increasing the total proportion of invert sugar in the solution. Adding glucose syrup, which will immediately increase the quantity of inverted sugar in the mixture, is a more precise way of assuring the right balance of inverted sugar. The amount of inverted sugar in the sweet must be kept under control since too much will cause it to absorb water from the air and become sticky. If there isn't enough inverted sugar, the sucrose will crystallize. A non-crystalline product requires about 10-15% inverted sugar.

Added ingredients

The temperature of boiling can be influenced by the addition of specific components. When liquid milk is used to make toffees, for example, the moisture level of the mixture instantly increases, necessitating a longer boiling time to obtain the necessary moisture content. The shelf-life of the sweet is also affected by the additional additives. The viscosity of toffees, caramels, and fudges, which include milk solids and fat, is greater, which prevents crystallization. Fats, on the other hand, may cause the sweet to get rancid, reducing its shelf life.

Alaqua is processing equipment including crystallizers supplier in USA that also offers installation and commissioning, equipment fabrication, troubleshooting, personnel training, and various other services. Contact us today for processing equipment and their services!

Reducing Risk in Food Processing: Sanitation, Worker’s Safety, and Traceability

Food processing safety and sanitation requirements are stringent, partly because the stakes are so high. Consumers and staff alike may be in danger due to ineffective safety and sanitary standards. Maintaining high safety and sanitation standards is a continuous and sometimes difficult effort, yet failing to do so may result in liability, recalls, and significant financial and public image losses. Consider these frequent dangers to the plantation of processing equipment for food processing facilities and how you may minimize risk in food processing if you're planning renovations or adjustments to your facility.

How Can Food Processing Risks Be Reduced?

Appropriate Sanitation

Food processing at all levels needs thorough and effective sanitary processes. The Food Safety and Modernization Act (FSMA), for example, provides forth sanitation requirements and recommendations for a variety of sectors and verticals. Because they utilize various types of equipment and operate with various foods, different facilities require distinct cleaning and sanitizing techniques. It can be difficult to find the proper method, and some hazards are particularly tough to avoid.

The following are the most prevalent food-processing sanitation hazards to avoid:

• Drains: Pathogens, particularly Listeria, are frequently found in drains. According to research, Listeria may be found in 33 to 47 percent of food processing facility drains. Cleaning drains is a tedious but necessary activity that should not be disregarded while cleaning.
• Cleaning debris: "Cleaning" refers to the removal of debris, whereas "sanitizing" means the destruction of pathogens. Sanitizing chemicals must make contact with the equipment surface to work, which necessitates the removal of debris first. It's crucial to have the correct instruments for the job, such as cleaning detergents to loosen materials and brushes to scrape or brush dirt away.
• Electronics: Electronics can increase the efficiency of food processing equipment, but they are also more difficult to clean. Use electronics that have the appropriate IP certifications or hermetic sealing to withstand high-pressure washing and sanitization.
• Vents: Because vents are difficult to reach, they are frequently neglected. This causes dust and germs to accumulate, posing a threat to both air quality and food safety, as well as the potential of dust explosions in areas where dust and powders are prevalent.
• Cleaning tools should be color-coded: Even though the tools are the same, cleaning tools used on floors or drains should be kept separate from cleaning tools used on equipment. Color-coding is described in 21 CFR 117 and is useful for keeping tools distinct.
• Good Manufacturing Practices: Good manufacturing practices (GMP) are an important aspect of sanitation and food safety. Design defects can be avoided by using the correct steel grade, eliminating breakable burrs or holes in welded connections, and a variety of other techniques.

Workers Safety

Sanitation is necessary for the food processing industry to reduce risk and protect customers, but worker safety is equally crucial. These two frequently occur together. Food safety standards lag behind when worker safety practices are inadequate. OSHA rules must be followed by food processors for the safety of their employees, and extra safety measures can assist limit liability and risk. Some of the most prevalent hazards for food processing employees are listed here.

• Heights: If you have catwalks, ladders, or your employees operate at heights at any time, adequate rails, traction stickers, and fall safety devices are essential. The Occupational Safety and Health Administration (OSHA) amended these guidelines in 2016 to ensure that workers are adequately protected from falls.
• Slippery surfaces: In food processing factories, surfaces exposed to water, oil, blood, or other slippery substances can cause falls. To avoid slips, place mats over certain places and make sure they are cleaned correctly during sanitation operations.
• Dust: Dust, which appears to be innocuous, can be hazardous for a variety of reasons. Dust inhalation puts employees' health in danger, and food leftovers can attract bugs. Dust fires and explosions, on the other hand, are the most hazardous threats. These are capable of destroying large facilities as well as killing personnel. Ensure that vents are clear, bulk bags are correctly emptied, and personnel is well-informed about dust and powder explosions and risks.
• Detachable Safeguards: Safeguards can occasionally interfere with workers’ tasks, therefore it’s tempting to remove them to make the job go quicker or simpler. Worker protections against blades and other moving parts, on the other hand, should not be detachable. Make it clear that safety comes first, and the protections should never be tampered with or deleted. If the work is challenging, assist staff in figuring out how to make it more efficient.
• Electrical Dangers: When dealing with high-powered equipment, electrical wiring may be particularly dangerous. Electrical components should only be altered, installed, or repaired by a certified electrician. It’s also crucial to make sure that cables aren’t damaged, especially those that come into touch with liquids, and that outlets are properly grounded, especially in sandy soil.
• Harmful Cleaning Chemicals: Proper sanitation sometimes necessitates the use of cleaning chemicals that are particularly hazardous to personnel. To disinfect enclosed places, for example, chlorine dioxide gas is sometimes used. This substance, on the other hand, is quite dangerous. Workers should know how to handle these substances. How to utilize protective equipment, and what happens if they get too close.

Traceability

Another key feature of food safety is traceability, which is crucial for reducing risk in the food processing process. FSMA mandates effective traceability procedures, but they also allow food processors to mitigate the effects of contamination if it happens. An efficient traceability system must possess a number of characteristics.

• Accurate Labeling: Accurate labeling shows where the ingredients originated from, where they went, and when they were consumed. This is crucial for discovering and recalling tainted materials or goods, as well as minimizing the impact of a recall.
• Automated Systems: Automated systems ais in the exact dispensing of ingredients, not only reducing waste but also guaranteeing that the correct lots are used in the correct products.
• Integrating Software: Integrating software with your automated ingredient system will not only make labeling more accurate and easier but will also enhance your record-keeping in case of an audit.
• Testing: A simulated recall will demonstrate whether your traceability methods are successful. A simulated recall will reveal any flaws in your traceability chain, allowing you to address them. Your employees will be familiar with the processes if you need to conduct a recall.

You can avoid or limit the effect of potentially costly mistakes or difficulties in food processing by minimizing risks. Remember to review as your company grows, or you add or replace equipment at your site, You may protect yourself against responsibility and loss by implementing the proper safety, cleanliness, and traceability processes.

Alaqua offers various processing equipment such as crystallizers, solvent recovery, distillation equipment, spray dryer, heat exchanger, and evaporator system worldwide for food, pharmaceutical, environmental, chemical, and power generation industries along with which they also offer equipment fabrication, troubleshooting, and other processing equipment services. Contact them today for further processing equipment queries and information!

Heat Exchanger Cleaning Tips

Fouling and debris limit heat exchanger effectiveness without frequent cleaning and, if left unchecked, can cause industrial equipment and processes to fail.

Shutdowns caused by heat exchanger failure can cost hundreds of thousands of dollars, far more than even the most elaborate cleaning methods. Heat exchanger cleaning, on the other hand, may increase performance and save money if done correctly.

Cleaning Heat Exchangers Using Ultra-High-Pressure Jetting

As it is effective and ecologically safe, remote and multi-lance ultra-high-pressure water jetting should be one of the primary choices for any heat exchanger cleaning program. It is feasible to remove deposits and scale from heat exchangers, tube bundles, and adjacent systems with only water. 

Using water instead of potentially toxic solvents and detergents eliminates the need for specialized disposal. This will also save cleaning and maintenance expenses by eliminating the requirement for hazardous chemical disposal services.

Finally, depending on the characteristics of your heat exchanger, some substances may degrade or destroy the materials employed by the heat exchanger makers in its construction. Titanium pipework, for example, which is often used in gas liquefaction facilities, is sensitive to acidic cleaning solutions and must be cleaned with either water or a mechanical process such as drilling.

Maintain Regular Cleaning Schedule for Heat Exchanger

Routine maintenance, as the name suggests, should be done on a regular basis. The proper scheduling of maintenance procedures may be prescribed by the manufacturer or set by the onsite maintenance crew, depending on the individual heat exchanger issue.

Cleaning on a regular basis will keep deposits and silt from building up to dangerous levels that might require the plant to shut down. Cleaning and inspection practices should be combined to guarantee that equipment is fully functional and fulfills regulatory requirements.

In-Situ Clean Process Heat Exchangers

Heat exchanger maintenance may now be conducted without disassembly thanks to robotic heat exchanger cleaning procedures. This is an excellent option for lant managers who want to reduce downtime and expenditures. 

Some professionals exclusively clean evaporator heat exchanger equipment at their own facilities, but most organizations can't afford the extra downtime. If your present contractor is unable to clean your heat exchanger in situ, get a second opinion from another service provider who may have an alternate cleaning process that can finish the job on-site, shortening the time it takes to complete the project.

Go 'Bare Metal'

When cleaning heat exchangers, all deposits and silt must be removed, and piping must be stripped down to the bare metal. If all fouling is not removed, the intended advantages will not be realized, and the return on investment in maintenance will be reduced.

Returning to bare metal extends the time between cleaning cycles by essentially restoring pipes and surfaces to factory-new condition. Plant efficiency will improve, as will the return on investment in advanced cleaning services if all scale and buildup are removed.

By eliminating many of the small flaws that serve as locations for new deposits to form, polishing the insides of pipes can assist enhance liquid flow. Request a video scope inspection once the cleaning is completed to ensure the quality of the work and the amount of cleanliness accomplished.

Clean the Outsides of Tube Bundles, Pipework, and Shells

Chemical deposits and buildups are more likely to impact tube bundles, inner pipework, and shell sides, thus cleaning these surfaces is a top concern. However, heat exchanger equipment's outside surfaces play a vital role in heat dissipation and effective functioning.

Cleaning the exterior surfaces of heat exchanger equipment should also be included in a routine maintenance schedule, not least because it makes visual inspections much easier. External heat exchanger cleaning should be considerably easier to schedule, with minimal, if any, downtime. Because the project is less urgent, you may be more flexible with the start date, making it much simpler to get the services of your favorite cleaning provider.

Clean Heat Exchangers with the Correct Equipment

Polymer deposits are especially difficult to remove, with some operators resorting to hammers, chisels, and chainsaws in an attempt to clean them. When working with precise equipment, employing generalist tools like these will almost always result in equipment damage and wasted employee effort.

Using a mix of ultra-high-pressure water jetting, band saws, and patience, plant equipment can nearly always be cleaned. The longer it takes to clean polymer deposits, the thicker they are. This underlines how important it is to clean and maintain your property on a regular basis.

Never Rely On Standard Cleaning Methods

Since "that's how it's always been done," many industrial service providers continue to employ the same limited set of cleaning approaches. Standard cleaning approaches are typically extremely successful, but they don't always account for advancements in heat exchanger technology, which makes the process more difficult.

Worse, traditional cleaning processes can be time-consuming and have inconsistent results, suggesting that your heat exchanger may not be fully cleaned. Because traditional water jetting procedures do not account for shell-side residue, up to 50% of deposits can be left behind once the cleaning process is completed. Standard cleaning approaches can only enhance heat exchanger performance by 50%. 

Shell-side deposits may be removed from heat exchangers using advanced cleaning procedures, emphasizing the necessity of not settling for ordinary services. Performance advantages will be substantially larger if both sides of the heat exchanger are clean.

Liaising with providers who produce unique solutions or combine proven cleaning processes are far better for your heat exchanger – and, eventually, your revenues. Newer approaches may be more successful and expedite the completion of cleaning jobs than traditional methods.

In conclusion, these suggestions will assist your company in reducing expenses and downtime while also ensuring that your heat exchangers are cleaned to the point of increasing profitability. Consider hiring a new provider if your present one fails to satisfy your needs. Obtain evidence of any provider's skills, such as client testimonials, while conducting your supplier research. You should also check to see if any possible cleaning supplier can help you save money on maintenance by integrating services like camera inspection and 3D modeling with cleaning cycles to do internal visual inspections. Alaqua is processing equipment such as evaporator, crystallizer, spray dryer, solvent recovery, distillation equipment, and heat exchanger equipment supplier worldwide based in the USA. They also offer installation and commissioning, personnel training, and various services for the processing equipment. Contact them today for any kind of queries regarding their processing equipment and services!

Types of HRSG Cleaning - Alaqua Machinery

A heat recovery steam generator (HRSG) is a key component of a gas turbine combined cycle power plant with high thermal efficiency and low CO2 emissions. An HRSG is a heat exchanger that extracts a significant amount of heat from a gas turbine's exhaust gases. The heat is recovered as steam, which is used to power a steam turbine that generates electricity.

Finned tubes with outstanding heat-transfer capability are used in the HRSG's heat-transfer tubes. The equipment's footprint is decreased by using a small design. Additionally, within the HRSG, Selective Catalyst Reduction (SCR) equipment is installed, which reduces the nitrogen oxide concentration of the exhaust gases emitted into the environment.

Energy is lost in thermal oxidizers, gas turbines, and other heat generators. Heat Recovery Steam Generators (HRSG) are utilized to create steam in order to recover energy and use it for other purposes.

HRSG systems may be found in a wide range of commercial and industrial settings. HRSG systems are most typically employed in major energy projects, cycle power plants, and even institutions. Schools may use recovered energy to power their campus, heat spaces, and supply hot water to residents.

Alaqua is a processing equipment supplier for crystallizer, heat exchanger, evaporator, solvent recovery, distillation and spray dryers for various industries such as food, pharmaceutical, chemical, environmental, and power generation industries.

HRSG Cleaning Types

High-pressure water blasting, carbon dioxide (dry ice) blasting, grit blasting, and pressure wave cleaning are some of the most common forms of cleaning technologies on the market. Because each has its unique set of benefits, a plant's selection is made on an individual basis.

• Pressure Wave Cleaning
• High Pressure Water Blasting
• Grit Blasting
• Dry Ice Blasting

Pressure Wave Cleaning

A hose is fed into a heat recovery steam generator for pressure wave cleaning. The engineer uses a computer to manage the ethane-oxygen gas discharged inside the system as it moves about inside. The impurities inside the HRSG are rattled by the gas, which dislodges the debris. It sinks to the bottom of the HRSG, making cleaning easy.

High Pressure Water Blasting

High pressure water blasting (also called hydrojetting or high-pressure cleaning) removes surface debris and pollutants using high-speed, pulsing water produced by a water jet. Even the most tenacious coatings or process contaminants cannot withstand the energy generated by ultra-high pressure hydroblasting. High-pressure hydroblasting equipment is not only effective in a wide range of industries, but it is also ecologically benign, minimizing carbon emissions.

Grit Blasting

Abrasive grit blasting, often known as sandblasting, is a process that uses pressured water, steam, or compressed air to push an abrasive media (material). The blasting material can be used to smooth rough surfaces, roughen smooth surfaces, shape a surface, or eliminate impurities from the surface. 

Blasting can use a variety of media, some of which are very abrasive and others that have a mild impact. The choice of media is influenced by a variety of components. Often, sample processing is required before deciding on the final media type, size, and equipment for the grit-blasting process.

The following are examples of commonly used abrasives:

• Steel grit
• Crushed glass
• Aluminum oxide
• Plastic
• Baking soda

Dry Ice (CO₂) Blasting

Dry ice blasting is widely regarded as one of the most effective cleaning methods for HRSGs for a variety of reasons. Sandblasting and high pressure water blasting, in most situations, produce a secondary waste stream that adds to the waste stream.

Cleaning up additional garbage adds to a project's total cost and time. Dry ice blasting is an ecologically friendly and FDA-approved procedure that doesn't encourage corrosion or abrasion. There is no secondary trash created by CO23 blasting since it does not employ abrasives or excessive water. This decreases both the cost and the time it takes to complete the procedure.

Effects of Fouling on HRSG Component Performance

As a result of routine activities, trash and debris accumulate over time in day-to-day operations. Heat-rate deterioration, loss of steam generation, corrosion, and decreased heat transfer efficiency can all occur as a result of this accumulation over time. These problems result in a reduction in producing capacity and, as a result, revenue.

Maintenance is the most effective strategy to preserve your equipment's value and productivity. Cleaning services from HRSG are a long-term investment in your operating productivity and equipment longevity. To deliver ecologically safe and highly effective cleaning solutions, trained personnel employ cutting-edge technology.

Features of HRSG

Major attractive features of HRSG’s are that they:

• Have high reliability and high performance
• Are highly cost-effective

Alaqua is an experienced processing equipment supplier having more than 25 years of experience in supplying various processing equipment such as evaporators, crystallizers, etc. for various industrial purposes mentioned earlier. They also offer their services for the processing equipment that include equipment fabrication, training personnel, installation, and commissioning services, field services, troubleshooting services, and retrofitting services. Contact them today to buy your desired processing equipment and for their services!