Clarification Depth Filter Cartridge
The cartridge uses a multi-layer depth structure. Particles are retained throughout the thickness of the media instead of forming a surface cake. This helps maintain stable flow and reduces early clogging in variable feed conditions.
- Product Introduction
Product Overview
Clarification Depth Filter Cartridges are designed for solid-liquid separation in liquids containing suspended solids, colloids, or fluctuating turbidity.
The cartridge uses a multi-layer depth structure. Particles are retained throughout the thickness of the media instead of forming a surface cake. This helps maintain stable flow and reduces early clogging in variable feed conditions.
It is commonly used as a pre-filtration stage before membrane filtration or sterile-grade filtration, especially when upstream processes generate inconsistent solids load.
Technical Specifications
|
Item |
Specification |
|
Filtration Ratings |
0.5 / 1 / 3 / 5 / 10 µm (custom available) |
|
Structure |
Multi-layer depth filtration media |
|
Core Material |
Polypropylene (PP) |
|
Support Structure |
PP outer cage |
|
Length Options |
5", 10", 20", 30", 40" |
|
Max Operating Temperature |
Up to 80°C (fluid dependent) |
|
Flow Direction |
Outside-in / inside-out (configuration based) |
|
End Connections |
DOE / SOE / customized |
|
Housing Compatibility |
Standard industrial cartridge housings |
Key Features
High solids loading capacity
Particles are captured throughout the filter depth, allowing longer service life in high or variable turbidity streams.
Stable pressure behavior
Pressure increases gradually instead of sharp clogging, making operation easier to monitor in production systems.
Broad particle removal range
Different micron grades allow removal from coarse solids to fine colloidal particles.
Process compatibility
Designed for standard industrial cartridge housings used in chemical, food, and bioprocess systems.
Reduced surface clogging
Depth loading reduces cake formation compared with bag or surface filtration media.
Typical Application Fields
Pharmaceutical & Bioprocess
Fermentation broth clarification after centrifugation or acoustic separation.
Guard filtration for downstream 0.22 µm/0.45 µm sterile membrane filters.
Clarification of buffers, cell culture media, and protein solutions.
Food & Beverage
Particle removal and haze reduction in sugar syrups and liquid sweeteners.
Pre-clarification of beer, wine, bottled water, and spirits prior to final bottling.
Processing of enzymes, amino acids, and liquid flavor solutions.
Chemical Processing
Recovery or removal of expensive catalyst particles.
Clarification of organic solvents, bulk chemicals, and process intermediates.
Fine filtration of inks, coatings, and specialty chemicals.
Cosmetics & Personal Care
Pre-filtration of lotions, emulsions, and gels before the filling line.
Clarification of active ingredient solutions and alcohol-based perfumes.
Engineering Performance
Maximum Operating Temperature: 80°C (176°F) @ 2.1 bar (fluid dependent)
Max. Forward Differential Pressure: 4.1 bar (60 psi) @ 25°C; 2.1 bar (30 psi) @ 80°C
Recommended Change-out: 2.4 bar (35 psi)
Sterilization Compatibility: Supports inline steam sterilization (SIP) or autoclaving up to cycles.
Flow Direction: Standard configuration is Outside-In (Inside-Out configurations available based on system design).
Operating Guidelines
Pre-use Rinse: Flush the system with process fluid or DI water for 5–10 minutes prior to operation to stabilize initial flow and ensure complete wetting.
Differential Pressure Monitoring: Continuously log the inlet and outlet pressure. Schedule element replacements when the differential pressure reaches the recommended 2. bar (35 psi) threshold.
Gentle Start-up: Avoid sudden pressure hydraulic shocks during system start-up; ramp up pump speeds gradually to protect matrix integrity.
Staged Filtration: For highly unpredictable or heavy particle loads, consider deploying two depth filters in series to maximize total system service life.
Selection Guide
|
Feed Condition / Application |
Recommended Micron Rating |
Typical Industry Example |
|
High Solids / Unstable Feed |
5 – 10 µm |
Post-centrifugation fermentation broth (200–300 NTU), raw botanical extracts. |
|
General Clarification |
1 – 5 µm |
Sugar solutions, enzyme liquids, bulk chemical intermediates, syrups. |
|
Fine Clarification & Membrane Protection |
0.5 – 1 µm |
Pre-filtration stage immediately upstream of 0.22 µm sterile filters in bioprocesses. |
Why Choose Jiuling?
Controlled Matrix Consistency: We utilize advanced manufacturing technology to ensure highly consistent fiber diameters and pore size gradients across every production batch.
Risk-Free Scalability: Media geometry and performance characteristics remain identical from 5" pilot-scale filters up to 40" industrial systems, ensuring smooth process scale-up.
Global Interchangeability: Engineered to perfectly fit into standard international housings (interchangeable with major global brands).
Proven Export Experience: Extensive track record supplying reliable filtration solutions to stringent industrial, chemical, and bioprocess markets globally.
FAQ
Q: When should depth filtration be used instead of membrane filtration?
A: Depth filtration is used when feed contains higher solids or variable turbidity. It is mainly a pre-treatment step before membrane filtration.
Q: Can it handle high turbidity feed?
A: Yes. The internal structure is designed to retain particles throughout the media instead of surface clogging.
Q: How do I select micron rating?
A: Selection depends on solids load and downstream requirements. Higher micron ratings are used for heavy loading, lower ratings for membrane protection.
Q: What affects service life?
A: Feed turbidity, particle type, flow rate, and selected micron rating are the main factors.
Q: Can it be used before sterile filtration?
A: Yes. It is commonly installed before 0.22 µm sterile filters to reduce fouling.
Q: Is it compatible with standard housings?
A: Yes. It fits standard industrial cartridge housings without modification.
Q: Does pressure increase suddenly during use?
A: No. Pressure increases gradually as particles load inside the depth structure.
Q: Can it replace bag filters?
A: In many clarification processes, yes. It typically provides higher stability and longer service life than bag filtration.
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