DKF-C
Pharma&Biotech, Food & Beverage, Fine Chemical
Depth Filters
Activated carbon fiber(ACF)
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Activated Carbon Depth Stack Filter - Zero Shedding for Endotoxin & Color Removal in Biopharma
The DKF-C Series Activated Carbon Depth Stack Filter combines high-purity activated carbon, cellulose, and positively charged resin to deliver strong adsorption and decolorization with zero carbon shedding. It provides reliable endotoxin removal for biopharmaceutical processes and effective color removal in fine chemical and food industry applications, ensuring high purity and process safety.
FOOD & BEVERAGE
• Off-Flavor & Odor Removal from Sweeteners & Amino Acids
• Decolorization of Wine & Juice
• Clarification & Purification of Process Liquids
Compliance: FDA 21 CFR 177.2440 & 1520; NSF/ANSI 42 & 61; EU 1935/2004
Recommend Series: DKF-C

FINE CHEMICAL
• Decolorization & Odor Removal for Pharmaceutical Intermediates
• Purification of Fine Chemical Intermediates
• Removal of Organic Pollutants from Solvents
Recommend Series: DKF-C
PHARMA&BIOTECH
• Decolorization of API Solutions
• Endotoxin Removal for Small Molecules
• Sterile Filtration of Blood Products
• Clarification Filtration of Biologicals
Compliance: USP Class VI, ISO 13485, cGMP, FDA (DMF)
Recommend Series:DKF-C
Complete Depth Filtration Solutions Available

BENEFITS OF ACTIVATED CARBON DEPTH STACK FILTER
• Zero Carbon Dust Shedding
Proprietary composite construction eliminates media migration, ensuring product purity and protecting downstream equipment
• Enhanced Adsorption Capacity
Large surface area activated carbon combined with positively charged resins provides superior removal of colors, odors, and endotoxins
• Broad Chemical Compatibility
Suitable for a wide range of solvents and process fluids in pharmaceutical and chemical applications
• High Temperature Resistance
Withstands operating temperatures up to 80°C while maintaining structural integrity and performance
• High Flow Rate Design
Optimized porosity and stacked configuration ensure minimal pressure drop with maximum throughput
• Validated Performance
Consistent and reliable performance replaces traditional powdered carbon processes with a clean, contained system
MATERIALS OF CONSTRUCTION
| Filter Material | Cellulose, Diatomite, Activated Carbon, Synthetic Resin |
| Core | PP |
| Support/Diversion layer | PP |
| O-rings/Gasket | Silicone/EPDM/Viton |
PERFORMANCE CHARACTERISTICS
Max. Operating Temperatur | <80 ℃ |
Max. Differential Pressur | 2.5 bar (23 ℃) 1.0 bar (80 ℃) |
BIOSAFETY
| Endotoxin | <0.25 EU/ml |
| Biocompatibility | Compliant with USP <88> Class VI Plastic Biocompatibility Requirements |
| SERIES | MATERIAL | RATING(μm) | END CAP | OD(in) | LAYER |
| DKF-C | Activated Carbon | 0.5-3.0um | DOE/Flat | 8'' | 8 |
| 12'' | 12 | ||||
| 16'' | 15 | ||||
| 16 |
What is the benefit if you use LOONG filtration filter cartridge in Life Science industry?
LOONG Filtration’s solutions are deeply integrated across key stages of drug development and production.Our filtration materials are FDA-compliant and meet USP biosafety standards, while our cleanrooms adhere to ISO 9001 and GMP guidelines. We empower you to accelerate process scaling, shorten time-to-market, boost production efficiency, and cut costs—turning scientific breakthroughs into life-changing therapies faster.
What are the key factors in selecting the right filter cartridge?
Key factors include micron rating, flow rate, chemical compatibility, operating pressure, temperature, and the type of contaminants to be removed. Our engineers can help you choose the optimal filter element for your application.
What kind of construction configurations are LOONG’s filter cartridges available in?
LOONG’s filter cartridges are available in 4 different construction configurations: depth, pleated, pleated-depth and string-wound or spiral-wound.
What is the difference between surface filtration and depth filtration?
In surface filtration, a filter with a uniform pore design, traps contaminants that are larger than the pore size of the media. In depth filtration, the contaminants are trapped at multiple levels within the filter because of the tapered pore structure of the depth filters.
Is one-stop shopping at LOONG filtration possible?
LOONG Filtration is dedicated to provide one-stop shopping experience, to simplify customers' purchasing process. We have a wide variety of products covering a wide range offields, so we believe you can find what you need.