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B-90
purestar
Manufactured from carefully selected high-quality bituminous coal through controlled high-temperature steam activation, B-90 powdered activated carbon features a highly developed porous structure with a specific surface area of over 900 m²/g. It provides excellent adsorption performance for low-concentration organic pollutants, disinfection by-products, odor and chroma in water. With uniform fine particle size, it offers fast adsorption speed and high utilization rate, suitable for scenarios requiring high purification accuracy.
Parameter | B-90 | Unit |
|---|---|---|
Iodine adsorption value | > 900 | mg/g |
Moisture content | < 10 | %-wt |
Ash content | < 15 | %-wt |
pH | 8 ~ 11 | - |
Specific surface area | > 900 | m²/g |
Particle size < 200 mesh (0.75 μm) | > 90 | %-wt |
20kg/bag、400 kg/bag
Enhanced Organic Removal
Higher adsorption capacity than standard powdered grades, effectively capturing trace organic pollutants, micro-pollutants, and refractory compounds in municipal waterworks and industrial effluent treatment.
High Surface Area Development
Abundant micropore and mesopore networks provide extensive contact sites, supporting efficient contaminant removal in chemical purification and biological activated carbon (BAC) processes.
Rapid Kinetics Ultra-Fine Powder
Maximizes surface contact with treatment media, achieving fast adsorption equilibrium and reducing required contact time in batch dosing and continuous flow systems.
Stable pH Compatibility
Natural alkaline range maintains consistent performance across conventional water treatment chemistries without requiring downstream neutralization adjustments.
Dual Municipal & Chemical Purification Capability
Engineered for both large-scale municipal drinking water plants and precision industrial applications including chemical intermediate refining and BAC system supplementation.
Micro-Polluted Source Water Deep Treatment: Municipal water plants drawing from micro-polluted sources face trace organic pollutants and emerging contaminants. B-90's higher iodine value and larger surface area provide enhanced removal capacity for these challenging low-concentration pollutants that standard grades struggle with.
Fine Chemical & Pharmaceutical Purification: High-purity chemical and pharmaceutical intermediate production requires removal of trace colored impurities and organic byproducts. B-90's enhanced adsorption capacity achieves higher product purity at lower dosage rates.
Advanced Wastewater Reuse: Industrial wastewater tertiary treatment for reuse demands higher effluent standards. B-90's superior adsorption for trace organics helps meet stringent COD and TOC discharge or reuse limits.
High-End Biological Activated Carbon Systems: Premium BAC systems for high-standard drinking water and reclaimed water projects benefit from B-90's higher organic capacity, extending the synergy between adsorption and biodegradation.
12.5% higher iodine value than standard B-80 grade significantly improves removal effect on low-concentration organic pollutants.
Well-developed pore size distribution matching adsorption capacity for both small and medium molecular pollutants.
Low soluble impurity content suitable for production scenarios with high liquid purity requirements.
Strict quality control in accordance with national standards ensures stable performance and reliable batch consistency.
PURESTAR adheres to strict quality control and international certification standards. Our authentic certifications include:
ISO 9001: Quality Management System
ISO 14001: Environmental Management System
ISO 45001: Occupational Health & Safety Management System
NSF: Certified for drinking water safety & sanitation
HALAL: Certified for food-contact applications
MSDS (Material Safety Data Sheet) available upon request
COA (Certificate of Analysis) provided with every shipment
All products undergo strict quality inspection to deliver stable, 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
Q: When should I choose B-90 instead of B-80?
A: Choose B-90 when your project has strict effluent quality requirements, such as deep treatment of micro-polluted source water or fine chemical purification requiring high product purity. B-80 is a cost-effective choice for conventional high-standard projects. For the highest precision, consider B-A0.
Q: Can B-90 be used with coagulants?
A: Yes, B-90 is usually dosed before the coagulation tank and works together with coagulants and flocculants. Carbon particles are removed with flocs during sedimentation and filtration. For continuous fixed-bed applications, GAC-P granular carbon is recommended.
Q: What are the storage requirements?
A: Store in a dry, cool and ventilated warehouse away from fire sources and volatile organic substances. Avoid mixing with dusty or odorous materials. For food-grade storage requirements, F-14 or F-16 wood-based carbon should be stored separately.


