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ARC-A
purestar
ARC-A columnar activated carbon is produced from high-quality bituminous coal, crushed, extruded with binder, and activated by high-temperature steam. Post-activation impregnation with phosphoric acid creates active sites for chemisorption of alkaline gases.
Designed for ammonia removal in agricultural facilities, wastewater treatment plants, fertilizer production, and chemical processing operations where ammonia odors or toxic exposures are concerns.
Technical Specifications | ARC-A | Unit |
CTC value (base charcoal) | More than 60 | % -wt |
Moisture content | Less than 25 | % -wt |
Column carbon diameter | 4 | mm |
Stacking density | 780 ~ 820 | kg/m³ |
Intensity | More than 90 | % |
Specific surface area (base charcoal) | More than 900 | m²/g |
Grain size > 6 Item (3.35 mm) | Greater than 95 | %-wt |
Available particle size:
4×10 meshes (1.7 ~ 4.75 mm)
Packaging:
To meet diverse customer requirements, our activated carbon is available in multiple packaging options:
20 kg/bag – Ideal for laboratory use, pilot testing, and small-scale applications with convenient handling.
500 kg/bag – Bulk packaging designed for large-scale industrial production and continuous processing.
All packages are engineered to maintain product quality, prevent moisture absorption, and ensure easy storage and transportation.
Customized packaging available
Shipping:
Fast delivery within 15-30 days
Export standard packaging
4mm columnar form for low pressure drop and high strength
Phosphoric acid impregnation for ammonia chemisorption
High ammonia removal capacity: >25 min protection time
Low dust generation during handling and installation
Suitable for thermal regeneration after saturation
Cost-effective solution for large-scale ammonia control
Poultry and livestock farm ammonia control
Wastewater treatment plant odor control
Fertilizer manufacturing emission control
Refrigeration facility ammonia leak protection
Chemical processing amine removal
Laboratory ventilation systems
Targeted Contaminant Removal & Enhanced Chemical Reactivity
Our specialty impregnated activated carbons combine premium coconut shell or coal substrates with precisely loaded active agents (silver, copper, zinc, or proprietary catalysts) for selective pollutant capture.
Silver-impregnated variants (PSD-Ag+) deliver >99% bacteria inactivation for drinking water safety, while sulfur-impregnated grades (SRC-A/SRC-E) achieve >98% mercury and heavy metal removal.
The ABEK-type comprehensive protection carbon provides multi-gas defense against organic vapors, acid gases, ammonia, and formaldehyde for industrial respirators and nuclear facility protection. Custom impregnation available for specific contaminant challenges including H₂S, SO₂, NOx, and radioactive iodine removal.
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
Q1: How does ARC-A remove ammonia?
A: ARC-A uses phosphoric acid impregnation to create acidic sites that chemically react with alkaline ammonia gas, forming stable ammonium compounds through chemisorption.
Q2: What is the typical service life?
A: Service life depends on ammonia concentration and airflow. At typical agricultural facility levels (5-20 ppm), service life ranges from 6-18 months.
Q3: Can ARC-A be regenerated?
A: Thermal regeneration can partially restore ammonia capacity, but chemisorbed ammonia compounds are more difficult to remove than physically adsorbed contaminants. Replacement is typically more economical.
Q4: Is ARC-A effective against other amines?
A: Yes, ARC-A effectively removes methylamine, dimethylamine, and other low molecular weight amines common in chemical and agricultural environments.
Q5: What humidity levels affect performance?
A: High humidity (>80% RH) can reduce ammonia capacity by competing for adsorption sites. Pre-drying or selecting higher capacity may be needed in humid environments.


