Fine Chemical
Customized Metal Sintered Filtration Solutions for Fine Chemicals
Grand Filtech provides customized metal sintered filtration solutions for the fine chemical industry. Based on corrosion-resistant materials such as 316L, Hastelloy®, Inconel®, Monel® and titanium, our products cover high-precision filtration from 0.1 to 100 μm, with high flux, long service life, easy regeneration, and fully enclosed safety. Suitable for continuous production scenarios with strong corrosion, high temperature, high viscosity, and high purity requirements, our solutions comprehensively improve material purity, catalyst recovery rate, and process stability, providing reliable protection for efficient and safe production in fine chemicals.
1. Core Advantages
• Corrosion Resistance: 316L / Hastelloy® / Titanium materials, resistant to strong acids, alkalis, and organic solvents, stable at -20~800 °C, suitable for high-temperature reactions and highly corrosive systems.
• Stable Precision: Absolute precision of 0.1~100 μm, uniform pore size, filtration efficiency ≥99.9%, no fiber shedding, ensuring high-purity products.
• High Strength & Long Lifespan: Integrally sintered without binder, pressure resistance ≥0.8 MPa, impact resistant, cleanable by blowback / back-washing / chemical cleaning, service life ≥3 years.
• Low Resistance & High Flux: Sintered fiber felt porosity 85% (powder 40%), low pressure drop, suitable for high-viscosity fluids (e.g., polymer melt).
• Fully Enclosed Safety: Suitable for explosion-proof conditions, no leakage, avoiding VOC emissions and material contamination.
2. Filter Material Selection Comparison (Precision + Flux)
|
Filter Type |
Precision Range |
Core Advantages |
Core Suitable Applications |
|
Sintered Metal Powder |
0.1~20 μm |
Absolute precision, zero fiber shedding, high-purity filtration, ultra-high pressure resistance |
Fine catalyst recovery, high-purity solvent purification, trace colloid removal |
|
Sintered Metal Fiber Felt |
1~100 μm |
Double flux, low pressure drop, suitable for high-viscosity materials |
Polymer melt, high-viscosity resin, high-flow liquid filtration |
|
Multi-layer Sintered Mesh |
5~200 μm |
Highest mechanical strength, large dirt-holding capacity, impact resistance |
High solid content slurry, pre-filtration, high-flow coarse & fine filtration |
|
Asymmetric Sintered structure |
0.1~50 μm |
Surface high precision + bottom high flux, balanced performance |
Backwashing automatic working conditions, continuous production filtration |
3. Fine Chemical Application Selection Recommendations
|
Process Type |
Recommended Precision |
Recommended Material |
Recommended Structure |
Core Process Value |
|
Hydrogenation catalyst recovery (Pd/C, Raney Ni) |
0.5~5 μm |
316L / Hastelloy® C/ X |
Sintered Powder/ Asymmetric |
Catalyst recovery ≥95%, no contamination, automatic back-washing |
|
PTA oxidation, acetic acid system filtration |
0.1~10 μm |
Hastelloy® C/ X |
Sintered Asymmetric |
Resist hot acetic acid, capture Mn/Co catalyst dust, extend equipment life |
|
Nylon / PC / polyester melt filtration |
5~20 μm |
316L |
Sintered Fiber Felt |
Low ΔP, high flux, remove gels, improve spinning quality |
|
Epoxy / PU high-viscosity intermediates |
10~30 μm |
316L |
Sintered Fiber Felt |
Stabilize viscosity, defoam & purify, ensure coating/adhesive stability |
|
Agrochemical / pharmaceutical high-purity intermediate purification |
0.1~2 μm |
316L / Titanium Alloy |
Sintered Powder |
No fiber shedding, meet high-purity & GMP clean requirements |
|
Halogenation / sulfonation strong corrosive reaction fluid |
1~5 μm |
Hastelloy® / Titanium Alloy |
Sintered Powder |
Resist Cl/F/S corrosion, prevent metal ion contamination |
|
High-temperature heat transfer oil / process gas purification |
10~50 μm |
310S |
Sintered Multi-layer Mesh |
Resist high-temp coking blockage, protect heat exchangers & reactors |
|
Fluidized bed gas distribution, exhaust gas dedusting |
20~100 μm |
310S / 316L |
Sintered Plate / Sintered Mesh |
Uniform gas distribution, prevent catalyst loss, meet emission standards |