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F-18
purestar
Premium Phosphoric Acid Activated Carbon for Liquid Decolorization
F-18 is a high-quality wood-based powdered activated carbon designed for demanding liquid purification. Unlike steam-activated carbon with mostly micropores, F-18 uses phosphoric acid activation to create abundant mesopores and macropores, which are ideal for adsorbing colorants, pigments and large organic impurities in beverages, edible oils and chemical solutions.
Phosphoric Acid Activation Advantage
The wood raw material is impregnated with phosphoric acid and heated at 400–600°C. As a dehydrating and pore-forming agent, the acid develops a wide pore structure for fast liquid adsorption. This method delivers 30–50% higher decolorization efficiency than physical activation for liquid applications.
Technical Specifications | PLC-350 | Unit |
Methylene blue adsorption value | More than 270 | mg/g |
Moisture content | Less than 10 | % -wt |
Ash content | Less than 10 | %-wt |
PH | 2-5 | - |
Packed density | 280-320 | kg/m³ |
Grain size < 200 Item (0.75 μm) | Greater than 90 | % -wt |
Superior Meso-Macro Pore Structure: Phosphoric acid activation delivers ideal pores for color, pigment and large impurity removal, with over 95% decolorization in single-pass treatment.
Rapid Decolorization Kinetics: Fast liquid adsorption reaches equilibrium in 15–30 minutes, cutting batch time and boosting production efficiency.
Food-Grade Safety: With strict heavy metal control and approval for direct food contact.
Optimized pH: Natural pH 3–5 suits acidic beverages and sensitive food ingredients, with adjustable pH for specific uses.
Low Ash & High Purity: Ash <5% and high carbon purity reduce contamination and maximize adsorption capacity.
Excellent Filtration: Optimized particle size ensures clear filtrate and low pressure drop in common filtration setups.
F-18 powdered wood activated carbon serves a wide range of industries:
Beverages: decolorization and purification of juices, soft drinks, beer and other drinks
Alcohol: clarification and purification of wine, spirits and liquors
Pharmaceuticals: purification and decolorization of medicines and intermediates
Edible Oils: color and impurity removal for refined oil products
Sugar: efficient decolorization of syrups and liquid sugars
Chemicals: purification of fine chemicals and additives
Water Treatment: organic impurity and odor removal
Optimized meso-macro pores for superior decolorization of pigments and organic impurities
High methylene blue (≥180 mg/g) & molasses decolorization (≥100%) for consistent liquid purification
Food-grade low ash (≤5%) & minimal heavy metals to avoid contamination
Controlled moisture (≤10%) for stable dosing and long shelf life
Uniform particle size (200-400 mesh) balancing filtration speed & pressure drop
Stable across pH 3-8 & 10-60°C for diverse liquid processing scenarios
PURESTAR is committed to strict quality control and international standards.
ISO 9001: Quality Management System
ISO 14001: Environmental Management System
ISO 45001: Occupational Health & Safety Management
MSDS (Material Safety Data Sheet) available
All products are manufactured under strict quality inspection to ensure stable and reliable performance for global customers.
10+ years of experience in activated carbon manufacturing and export
Stable production capacity ensuring reliable supply for bulk orders
Strict quality control system from raw material to final product
Customized solutions based on different industrial applications
Fast response within 12–24 hours for all inquiries
Professional technical support for product selection and application guidance
Q1: How to store F-18 activated carbon?
A: Store in a cool, dry place (<25°C, <60% RH) away from moisture and strong odors. Sealed storage maintains performance for 24+ months.
Q2: How is F-18 different from coal-based activated carbon?
A: F-18 (wood-based) has larger mesopores/macropores for liquid decolorization/purification, plus lower ash and neutral taste. Coal-based carbons suit gas-phase treatment (e.g., sulfur compound removal).
Q3: Can F-18 be used for alcohol purification?
A: Yes. It efficiently removes color, odor, and organic impurities from wines/spirits while preserving desirable flavors.
Q4: What industries use F-18 activated carbon?
A: Widely applied in food & beverage, alcohol, pharmaceuticals, sugar processing, edible oil refining, and chemical purification.


