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Product Category · Chemical & Petrochemical
Process Filtration SystemsSolid-Liquid Separation for Chemical Plants
Process filtration is essential for maintaining product quality, protecting equipment, and improving process efficiency in chemical and petrochemical plants. Domnick Thailand supplies complete industrial filtration solutions engineered to remove contaminants, protect pumps and process equipment, and handle demanding operating conditions, including corrosive fluids, high temperatures, and continuous production.
✓ Bag, Cartridge & Automatic Filtration ✓ Filtration to 0.1 Micron ✓ High Temperature Rated ✓ Chemical Compatible Media
Process Filtration Circuit Overview
FILTRATION SPECIFICATIONS
Filter TypesBag, cartridge, and automatic self-cleaning
Micron RangeDown to 0.1 micron, application dependent
Temperature RatingStandard to high temperature service
ConstructionChemical compatible wetted materials
ControlDifferential pressure monitored, DCS/PLC ready
✓ Particle Removal to 0.1 Micron ✓ Slurry & High-Solids Capable ✓ Raw Material, Catalyst & Product Duty ✓ Hazardous Area Options Available
Industry Overview
Why Process Filtration Is Fundamental to Chemical Manufacturing
Filtration touches almost every stage of chemical and petrochemical production. Raw material feedstock is filtered before it enters a reactor to remove solids that could interfere with reaction efficiency or damage sensitive equipment. Process filtration chemical industry systems also recover valuable catalysts, many chemical reactions rely on precious metal catalysts such as palladium or platinum supported on activated carbon, and capturing this material for reuse or safe disposal is both an economic and environmental necessity.
Beyond the reactor, filtration separates crystalline solid products from their mother liquor, a step central to purification in crystallization-based processes, and protects downstream pumps, valves, and heat exchangers from erosive particulate. In gas treating operations, amine solutions used to strip acid gases such as CO2 and H2S accumulate contaminants over time, and high temperature chemical filtration keeps these solutions effective while preventing corrosion and fouling in downstream equipment. A petrochemical filtration system engineered for these conditions must handle wide particle size variability and aggressive chemical exposure without degrading.
Domnick Thailand engineers complete industrial liquid filtration chemical plant infrastructure, matching filter media and housing construction to the actual particle size, chemical compatibility, and temperature profile of each process point.
- Process filtration chemical industry, bag and cartridge systems
- Petrochemical filtration system, refinery and gas treating duty
- Chemical process filter equipment, catalyst and slurry recovery
- High temperature chemical filtration, corrosive media rated
- Solid liquid separation chemical process, crystalline product recovery
- Refinery process filtration technology, full process design
The Filtration Spectrum
Matching Filter Rating to Particle Size
From coarse solids down to sub-micron contaminants, solid liquid separation chemical process requirements span a wide range, and the right filter rating depends entirely on what needs to be removed.
100µmCoarse Solids
20µmStandard Bag Filter
5µmFine Cartridge Filter
1µmPolishing Filtration
0.1µmSub-Micron / Catalyst Fines
100µmCoarse Solids
20µmStandard Bag Filter
5µmFine Cartridge Filter
1µmPolishing Filtration
0.1µmSub-Micron / Catalyst Fines
🧂100–40µmTable salt, sand
🧬10–5µmRed blood cell, fine dust
🦠2–1µmBacteria, catalyst fines
💨<1µmColloids, sub-micron solids
Why It Matters
Four Engineering Challenges Every Filtration System Must Solve
Chemical process fluids create demands that generic industrial filtration was never designed to handle.
01
Particle Size Variability
Petrochemical feedstock and intermediate products can carry particles ranging from micron-scale fines to much larger aggregates in the same stream. A chemical process filter equipment specification built around a single assumed particle size will under-perform the moment that distribution shifts.
02
Chemical Compatibility
Aggressive acids, solvents, and reactive intermediates degrade filter media that was not selected for the specific chemistry involved. Media compatibility has to be verified against the actual process fluid, not a generic chemical resistance chart.
03
High Temperature & Pressure
Many chemical and petrochemical processes run well above the operating limits of standard filtration equipment. High temperature chemical filtration requires housing materials and seal construction rated to the actual process conditions, not just ambient service.
04
Product & Catalyst Recovery
Filtration is frequently the step that reclaims value, separating crystalline product from mother liquor, or recovering precious metal catalyst supported on activated carbon for reuse. A poorly matched filter loses recoverable material along with the waste stream.
Filtration Technology
Three Filtration Technologies for Chemical and Petrochemical Duty
Each filtration technology suits a different combination of particle loading, flow rate, and maintenance philosophy.
👝
Bag Filtration
Cost-effective, high dirt-holding capacity filtration for moderate to high solids loading. Bag elements are simple to change out, making this the standard choice for general process filtration chemical industry duty where micron precision is secondary to throughput.
Best For: General clarification, high solids loading🧴
Cartridge Filtration
Pleated cartridge media delivers finer micron ratings and more consistent particle capture than bag filters, well suited to industrial cartridge filter petrochemical applications requiring polishing filtration ahead of sensitive downstream equipment.
Best For: Fine particle removal, polishing duty🔄
Automatic Self-Cleaning
Backwashing or self-cleaning filters operate continuously without media replacement, ideal for high-solids or chemical slurry filtration system duty where manual element changeout would create unacceptable downtime.
Best For: Continuous duty, high-solids slurry Applications
Where Filtration Fits Across the Chemical Process
Filtration is not a single step, it recurs at multiple points across a chemical or petrochemical process, each with a distinct purpose.
🛢️
Raw Material Intake
Feedstock filtration removes solids before material enters the reactor, protecting reaction efficiency and downstream equipment from particulate carried in with raw material.
⚗️
Reaction & Catalyst Recovery
Catalytic processes using precious metal catalysts on activated carbon or alumina supports rely on filtration to recover catalyst material for reuse or safe handling after the reaction.
💨
Gas Treating & Amine Filtration
Amine solutions used to strip acid gases such as CO2 and H2S accumulate contaminants over service life, refinery process filtration technology keeps these solutions effective and protects downstream compressors from fouling.
❄️
Crystallization & Product Recovery
Filtration separates crystalline solid product from the mother liquor, a purification step central to product quality in crystallization-based manufacturing.
♻️
Effluent & Fluid Reuse
Filtering process fluid before discharge, recovery, or reuse reduces downstream treatment load and supports water and solvent recovery programs.
Selection Guide
Five Steps to Specifying the Right Filtration System
A structured selection process avoids the most common cause of filtration underperformance, mismatched specification.
01
Define Particle Size
Identify the actual particle size distribution in the process stream, not an assumed average.
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02
Verify Chemistry
Confirm filter media and housing compatibility against the specific process fluid composition.
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03
Check Temperature
Match housing, seal, and media ratings to actual operating temperature and pressure.
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04
Assess Solids Loading
Determine whether bag, cartridge, or automatic self-cleaning technology fits the duty cycle.
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05
Plan Recovery
Design for catalyst or product recovery where filtration also reclaims economic value.
Standards & Compliance
ISO 9001 Quality ATEX Hazardous Area Option PED Pressure Equipment API Refinery Standards ISO 14001 Environmental FDA / EC 1935 Material Compliance DCS/PLC Integration Ready Thailand EEC Industrial Standards
Engineer Your Chemical or Petrochemical Filtration System
Tell us your process fluid, particle size, operating temperature, and filtration requirements, and our engineers will recommend the right industrial filtration solution for your facility. We design reliable filtration systems that improve product quality, protect equipment, and support efficient, continuous plant operations.
Get expert guidance when you need it. Our support team is here to provide you with the right solutions.
