Press filtration and dewatering

Adaltech® filter press cloths and filter plates built for heavy-duty service in the most demanding industries. The ideal balance between filtration speed and dry filter cake quality.

Chemical resistance Adaltech® cloths Made to size All filter press types
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01 — Filter Plates

Asiafilter Inc. filter plates

Engineered solutions for maximum filter press throughput. Every plate in our range is the result of precision casting and engineered drainage design.

We offer high-quality filter plates designed for heavy-duty service in the most demanding industries — from mineral processing plants to wastewater treatment facilities.

  • Precision casting — stable geometry and a leak-tight plate stack
  • Engineered drainage design — uniform filtrate discharge across the entire surface
  • Compatibility — fits all common filter press types
Asiafilter filter plate stack

Chamber plates

Chamber platesStandard

The industry standard for high-throughput filtration. Optimal for processes with a consistent slurry composition.

High throughputConsistent slurry composition

Membrane plates

Membrane platesCake squeezing

Enable cake squeezing after the main filtration stage. Critical for minimal residual cake moisture and shorter cycle times.

Minimal cake moistureShorter cycle

Frame plates

Plate and FrameClassic

A classic solution for depth filtration, offering easy maintenance and consumable replacement.

Depth filtrationEasy maintenance
02 — Filter Press Cloths

Adaltech® filter press cloths

In filter press operations, the quality of phase separation depends directly on the filter fabric. Adaltech® cloths are built to perform in the harshest industrial conditions.

MaterialYarn typeWeight, g/m²Thickness, mmAir permeability, L/m²/s @200 Pa
PolypropyleneMono/mono3400,54510
PolypropyleneMono/mono5500,865
PolypropyleneMono/mono3100,56100
PolyamideMono/mono4200,6950
PolypropyleneMono/multi5600,980
PolypropyleneMulti/multi3800,7518
PolypropyleneMulti/multi4200,8565
PolypropyleneMulti/multi6001,1325
PolyesterStaple/staple5500,9115,8

Cloths sewn to the size and design of your plates: reinforced zones, leak-tight necks, any fastening type.

Maximum filtrate clarityMulti-layer fiber weave retains the finest solid particles even at extreme operating pressure.
Easy cake releaseCalendered surface (anti-stick effect): the filter cake releases from the fabric effortlessly, saving time during press discharge.
Blinding resistanceThe special fiber structure prevents fabric blinding — the filter maintains its flow capacity longer, with less downtime for washing.
Precision sealingReinforced zones and leak-tight necks eliminate filtrate leaks, keeping the production area clean.
03 — Applications

Where press filtration solutions work

Mineral processing plant 01 Mining industryDewatering of concentrates and tailings. High wear-resistance cloths for abrasive pulps.
Metallurgical shop 02 MetallurgyFiltration of sludges and pulps: resistance to abrasion and high temperatures.
Oil and gas sector 03 Oil & gasPhase separation of drilling fluids and oil sludges.
Food production 04 Food industryFiltration of syrups, juices, and yeast slurries. Food-grade certified fabrics.
Chemical industry 05 Chemical industryAcids and alkalis: polypropylene fabrics with pH 1–14 resistance.
Wastewater treatment plants 06 Wastewater treatment plantsSewage sludge dewatering prior to disposal.
Pharmaceuticals 07 PharmaceuticalsFine phase separation in API manufacturing.
Biotechnology 08 BiotechnologyGentle filtration of fermentation media without product contamination.
04 — FAQ

Frequently asked questions about press filtration

Answered by Asiafilter Inc. process engineers. If your question is not here, send us your press parameters and slurry composition and we will review them individually.

Can you sew filter cloths for my filter plates?

Yes, sewing to the size and design of your specific plates is our standard way of working. We make cloths with reinforced areas, sealed necks and any type of attachment.

Our cloths and plates are compatible with all common types of filter presses. A plate drawing or a sample of your current cloth is enough for a quotation.

How do I choose the right filter fabric for my slurry?

The key parameter is air permeability, which sets the balance between filtration speed and filtrate clarity. Across our range it varies from 5 to 510 l/m²/s at 200 Pa: dense fabrics deliver the cleanest filtrate, more permeable ones give higher cycle throughput.

The second parameter is yarn type. Mono/mono releases the filter cake easily and washes well, multi/multi retains fine particles, mono/multi and staple fabrics are the compromise options. Fabric weight is 310–600 g/m², thickness 0.5–1.13 mm.

The filter cake sticks to the cloth and is hard to release — what can be done?

A calendered cloth surface solves this (anti-stick effect): the cake separates from the fabric effortlessly, which noticeably shortens press discharge time.

If minimum residual cake moisture is also required, consider switching to membrane plates — they allow the cake to be squeezed after the main filtration stage.

The fabric clogs quickly and pressure rises — why?

This is blinding — the fabric pores clogging with fine fraction. Adaltech® cloths have a fiber structure that resists blinding: the filter keeps its throughput longer and washdown downtime drops.

If the problem persists, the yarn type or the fabric's air permeability usually needs to change — send us your current markings and cycle parameters.

How do membrane plates differ from chamber and plate-and-frame plates?

Chamber plates are the industry standard: high throughput with a constant slurry composition. Membrane plates additionally squeeze the cake after the main filtration stage — critical where minimum residual moisture and shorter cycle time are required.

Plate and frame is the classic solution for depth filtration with simple maintenance and easy consumable replacement.

Will the fabrics withstand acids and alkalis?

Yes. For the chemical industry we use polypropylene fabrics rated across pH 1–14 — they work in both acidic and alkaline media.

For food production — filtration of syrups, juices and yeast slurries — we supply fabrics with food-grade approvals.

In which industries are your press filtration solutions used?

Mining (dewatering of concentrates and tailings), metallurgy (sludges and pulps), oil and gas (drilling muds and oil sludge), chemicals, food industry, wastewater treatment plants (sewage sludge dewatering), pharmaceuticals and biotechnology.

For abrasive pulps we supply cloths with increased wear resistance.

We'll match cloths to your filter press

Send us your slurry characteristics, press type, and plate dimensions — Asiafilter Inc. process engineers will select the right Adaltech® fabric and prepare a cost estimate.

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