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Paint And Chemical Product


Paint And Chemical Product

Paint and Chemical industries use air compressors and vacuum pumps for many applications.

 Vacuum pumps and air compressors are key components and are used in many applications in these industries. They are used for:

■ Applications use compressed air

■ Biofuel Production

■ Bulk transfer

■ Compression of Chlorine

■ Coating

■ Controlling products

■ Cooling

■ Crystallization / Evaporation

■ Degassing

■ Distillation

■ Drying (tray, rotary, tumble, conical and freeze dryers)

■ Filling and/or transfer of material

■ Gas compression

■ Hydrogen compression

■ Impregnation

■ Inks and solvents

■ Pneumatic conveying

■ Portable compressors

■ Reactors / reactor drying

■ Solvent recovery

■ Thin-layer evaporation

■ Vacuum filtration

■ Vapor recovery / gas boosting

 Fermentation process of biodiesel and transesterification process are used to produce Biofuel. In both processes, vacuum pump is used in steps such as distillation, rectification and filtration.

Bulk transfer uses compressed air for the safe transfer of chemical and petrochemical liquids through a pipe network.

 Compression of chlorine needs compressor. After chlorine gas is recovered, it is compressed. The seal liquid is concentrated sulfuric acid. Special materials must be used which are compatible with this dangerous gas and liquid.

When Coating industrial surfaces, metal vapors are handled under vacuum conditions. In typical processes the metal condenses as a thin layer on the surface of the substance. Vacuum pump is used to keep the metal vapors under pressure.

Compressed air is used in chemical process. Chemical processes use clean air for:

* Process air: Air used in direct contact with product for such usage as cleaning, aeration and product transfer.

* Control valves and cylinders: Equipment and components which are used in manufacturing process are controlled by compressed air.

* Handling Material: In volatile environments where there is risk of explosion, compressed air operated fluid pumping systems are used for handling material.

* Nitrogen generation: Compressed air is filtered through a membrane to produce nitrogen used in variety of chemical applications.

* Air curtains: compressed air is used as a curtain to create a safe and clean area.

* Product drying: compressed air is mixed with product to accelerate drying processes.

Vacuum pumps and compressors are used in laboratories, life science, chemical plants, refrigeration and other industries.

Cooling surfaces through the controlled evaporation of water or other solvents is another application of compressors and vacuum pumps.

Crystallization is a process through which a supersaturated liquid forms crystals by evaporation and cooling process. Vacuum pumps are used for controlling evaporation and cooling rates across all pressure ranges to reduce production cost by lowering the boiling point of the liquid.

Degassing is a procedure through which dissolved and trapped gases are removed from a liquid or product. Vacuum pumps are used for removing vapor and other unwanted gases from liquid. This operation, improves the product’s physical characteristics to allow further processing and avoiding contamination and corrosion.

* Degassing oils in order to improve purity of products such as hydrocarbon oil, transformer oil, turbine oil, brake fluid, hydraulic brake oil, etc.

* Degassing glues, pastes, paints to remove unwanted gases that would harden or degrade the product.

* Degassing polymers in an extruder to obtain a higher quality product or bubble free sheet.

* Degassing water for medical, food and boilers.


Distillation is the process of separating of two or more distinct layers or zones, where temperature, pressure, composition or phase state, are different from each other. As the tower moves to equilibrium, each zone will have a different concentration, and thus can be separated from original mixture. In other words, the distillation column provides an atmosphere where each liquid component can separate from another by changing the vacuum and temperature. The vacuum system removes the non-condensable load, water and light ends from the system allowing the feedstock to be processed through the column to achieve separation. The gas removed from the top of the tower is condensed and the liquids are reintroduced into the tower for further separation. Typically used on fatty acids, monoglycerides, vitamins A, E, oils, esters, paraffins, insecticides, plasticizers, etc.


Drying is a process through which vacuum is used to evaporate liquids from the solids, without harm, degradation or oxidation to biological or active ingredient.

Drying is essential in production process of pharmaceutical and biological products. This procedure is carried out in order to remove solvents, water, etc.  and typically requires a vacuum below 133 Pa. in the final drying stage. The remaining cake is granulated, blended, and pressed in to pills. The low residual moisture levels make the product useful for longer term storage.


In Filling and transfer of material such as filling tubes with creams and pastes, a small liquid pump is used for removing air through filling process. Also, a vacuum pump is used to transfer liquid to fill the tank and then a compressor is used to discharge it.


Fluid transfer process uses specially designed pumps which are designed to handle common and highly-corrosive liquids that must be pumped under pressure. One of the most important specifications of these types of pumps is that they should prevent system contamination while maintaining the purity and integrity of the source liquid.

Gas Compression is needed before they can be pumped through pipelines for further use. Compression of gas also reduces the volume of storage space required.

Hydrogen compression involves the recovery of hydrogen gas. Having low molecular weight and being explosive, create challenges when selecting equipment. Plasma Datis provides quality pumps and compressors suitable for this application.


Impregnation is a process through which the final product such as a motor winding is evacuated in a receiving vessel and then a suitable impregnation agent such as resin, penetrates the surface of the material under vacuum.

Inks and solvents industries use special products and systems include marine, road and rail loading and unloading arms, couplers and adapters, hydraulic couplers and break-away systems.

Pneumatic conveying uses compressors or vacuum pumps and central system for safe and economic conveying of chemicals. This way of conveying assures dust free and loss-free, with a simple design of the piping and no deformation of the conveyed material.

Portable compressors are used in chemical industries for many years, oil and gas storage terminals, where product is pumped ashore from waiting ships. They are flexible and reliable source of air which can be moved and placed in any safe location. They are also used in cleaning processes where in normal operation electricity can’t be used.

Reactors are used in chemical, pharmaceutical and fragrance industries. For reducing and controlling the temperature of the reaction, removing reacted products, reducing cost, controlling and improving product quality, the vacuum is used. There is a wide array of chemical processes including: pharmaceutical intermediates, chemical reactions for neutralization and adsorption, stripping/cracking of hydrocarbons and other chemicals and synthesis of chemical compounds which use liquid ring pump technology.


Solvent recovery involves vacuum systems to draw off and recover Volatile organic compounds (VOC’s) without releasing them to the atmosphere. Usually the same (VOC’s) which have been condensed inside the vacuum pumps, are used as the pump seal liquid, therefore pure product is recovered in the liquid state. This process reduces environmental emissions and recovers valuable product.


Thin-layer evaporation process involves separation of substances that have narrow boiling point ranges. It is also called molecular evaporation as well. Vacuum systems are used for this application.


Vacuum filtration is an application in which the moisture from filtrate receiver of a vacuum filter is collected and fed back into the system. Slugs of liquid can carry over into the vacuum system, if a system upset occurs, such as the failure of the filtrate pump. Also, soft solids from the filter can also enter the vacuum system. In both cases, the liquid and soft solids will not damage the liquid ring vacuum pump, improving the overall reliability of the vacuum filtration system. In order to minimize contamination of gases extracted during the filtration process, a variety of seal liquids compatible with the process vapor may be selected.

Vapor recovery / Gas boosting is an application which involves capturing gases vented from storage tanks. In order to protect storage tanks, the vacuum level is closely controlled. The discharge pressure is usually low. In these processes, gases are returned to the process or liquefied and returned to the storage tanks.


Plasma Datis provides compressors and vacuum pumps tailored to your needs made by world-known manufacturers.

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