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Poor filtration of chemicals quickly snowballs into production problems down the stream. If not properly filtered, materials can develop sub-products that degrade the quality of the final chemical. Chemical filtration equipment isolates and purifies the compounds from undesired particulate or pollutants. Technologies apply various filtering techniques such as pressing, vacuum, or pressure leaf to refine the final product into a high-grade chemical.

Separate solid impurities from chemicals with a filter press

One of the earliest liquid-solid separation technologies was the filter press. The filtration technique is especially suitable for removing solid particulates and emulsions from chemical solutions.

A press is divided into chambers enclosed by filtration cloths. The pump distributes the feed slurry evenly and applies pressure to push the solids against the cloths, discharging the filtrate at the bottom of the machine. The solids build up into a dewatered cake and can be removed from the plates. The filter cloths are cleaned in a dedicated washer and ready for the next cycle.

Filter semi-solid chemicals with pressure leaf equipment

Slurries such as organic salts, pectin, or liquid sulfur are turned into solids before further processing. Pressure leaf filters separate the impurities and form the material into a cake.

The liquid or semi-liquid is pumped into a vessel lined with a series of filters of varying mesh sizes. The impurities are let through, leaving behind a purified substance. In case of hazardous chemicals, the filtration technology sluices the material off the leaves by spraying water and pumping out the discharge. The filtration equipment can be configured either vertically or horizontally.

Achieve higher filtration rates with batch centrifugal systems

Sensitive products such as pharmaceutical ingredients or cell cultures demand ultrafiltration methods. Centrifuge technology can achieve such a level of fineness, but this category of chemical filtration equipment covers a broad range.

Traditional batch systems are based on the peeler method, with a basket holding the solids rotating in a closed unit. A newer technique known as the siphon peeler applies vacuum pressure through a siphon chamber to increase the rate of filtration.

Sliding discharge equipment allows continuous chemical filtering

Centrifugal equipment for chemical filtration can also be adapted for continuous processing. A primary technology in this application is the sliding discharge. There are several variants of this method, but they all have a conical basket that moves the filtrate outwards into the discharge.

Sliding discharge centrifuges are designed according to the fiction angle of the specific product, so they cannot be used to filter multiple chemicals.

Use a belt filter press for large capacities

Processing high volumes of chemicals put a heavy burden on filtration equipment. The belt filter press is a family of industrial technologies designed for excess capacities.

The material is pressed against two filter cloths driven by a system of rollers. The pressure on the feed squeezes the filtrate out into the discharge unit. The solids are moved into the collection bin as the belts roll on.

Which chemical filtration technology do you need?

Industrial leaf filter for chemicals

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Vertical batch centrifuge for solid-liquid separation

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Continuous filtering centrifuge for solid-liquid separation

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Industrial water treatment system

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Ultrapure water demineralizer for critical boilers

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Purified water generation system for pharma applications

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Self-cleaning automatic filters for industrial liquids

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Pilot plant filter dryer for small scale production

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Pilot unit filter dryer for laboratory applications

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Inverting filter centrifuge for difficult-to-filter products

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Vacuum table filters for liquid-solid separation

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Sack tipping station for dust-free bulk material handling

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Ultraclean aseptic storage tanks for hygienic liquid food

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Crossflow filtration with ceramic membranes for wines

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Industrial crossflow filters with ceramic membranes

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Crossflow filter for clarified and unclarified wines

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Glass nutsche filter for fine chemical and pharmaceutical filtration

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Radiochemistry fume hood

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Automatic cross-flow filter for wine

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Industrial drum vacuum filter for filtration and washing

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Agitated nutsche filter dryer for solid-liquid separation

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Bag feeding hopper for bulk solids

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Nutsche filter-dryer for solid-liquid separation

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Screen scroll centrifuge for flexible dewatering

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Pressure drum filter for ultra fine-grained products

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Advanced vacuum and pressure drum filters for high filtration rates

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Horizontal peeler centrifuge for filtration

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Continuous filtration centrifuge for solid-liquid separation

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Ultrafiltration and reverse osmosis for beverage industry

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Atex certified flanged round dust collectors

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Physical water treatment for industrial applications

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Full flow filtration system for bioprocess applications

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Self-cleaning candle filtration system

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Industrial liquid filtration system

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Tumbler sieve for classifying and dedusting granular materials

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Multifrequency sieve for separation of difficult particles

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Horizontal vacuum dryer with eccentric agitator

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Vertical pressure leaf filters

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Horizontal pressure leaf filters

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Horizontal plate scavenger filters

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Horizontal batch centrifuge for chemical industry

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Laboratory nutsche filter dryer for solid-liquid separation

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Pilot scale nutsche filter dryer for solid-liquid separation

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Nutsche filter dryer system for small scale batches

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Explosion-proof rotary vane vacuum pump

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2-stage rotary vane vacuum pump for laboratory applications

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Industrial sieving solution for solid materials

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Chemical filter dryer for fine chemical production

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Filter dryer with containment system for hazardous materials

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Multilayer filter plates for pharmaceutical and chemical applications

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Vertical pilot plant centrifuge for chemical industry

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Inverting filter centrifuge for high-potent Api products

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Vertical peeler centrifuge for chemical industry

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Lab nutsche filter for small scale filtration

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Centrifugal disc filter for solid-liquid separation

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Nutsche filter dryer for pharmaceutical and chemical industries

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Ceramic ultrafiltration for treating oily emulsions

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Microwave-enhanced filter dryer for chemical and pharmaceutical applications

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Crossflow filtration with sieve filter for difficult suspensions

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Compact filtration device for laboratory and field use

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Pressure drum filter for fine-grained products

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Vacuum filtration for large suspension volumes

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Agitated nutsche filter for solid-liquid separation

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Automatable benchtop agitated nutsche filter-dryer

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Industrial ion exchange system for chemical purification

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Vacuum drum filter for solid/liquid separation

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Multipurpose membrane filtration system for pilot testing

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50l jacketed glass reactor for synthetic reactions

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20l jacketed glass reactor for controlled chemical reactions

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Cyclone separator for industrial dust separation

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Bin vent filter with anti-static filter cartridges

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Continuous pneumatic silo air filtering system

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Industrial dust collection system for air filtration

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Flanged round dust collectors for industrial air filtration

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Silo venting filters for dust filtration

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Containment system for product loading

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Containment single-use filter module

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Jet filter for industrial air purification

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Industrial water recirculation treatment system

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Automated dissolution testing system for 16 vessels

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Ductless fume hood for medium chemistry experiments

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Glycerine manufacturing plant

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Self-cleaning filter for sulphur

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Vibrating sieve for liquid solid separation

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Belt filter press

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High yield filter press

When a saturated slurry or sludge must be dehydrated with high yield results mining and other heavy i...

Vacuum drum filter

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Side bar filter press

Side bar filter press

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Overhead filter press

To name just a few of the myriad applications for overhead filter presses: industrial mineral industrie...

Filter pressure leaf

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