IMPREGNATED ACTIVATED CARBON

Enhanced Gas Removal | H₂S & VOC Control

Industrial Air Filtration

About Impregnated Activated Carbon

PureStar's Impregnated Activated Carbon starts with high-quality coal or coconut shell base carbon, then loaded with proprietary chemical agents through our advanced impregnation process. Unlike conventional carbon that relies solely on physical adsorption, our impregnated carbon enables irreversible chemisorption—chemically binding specific toxic pollutants into stable compounds. This makes it ideal for industrial exhaust treatment, odor control, respiratory protection, and corrosive gas applications where standard activated carbon falls short.

Key Features & Benefits

Feature	Technical Advantage
Targeted Selective Adsorption	Custom impregnants enable directional removal of H₂S, NH₃, acid gases, formaldehyde, and other specific pollutants—right where conventional carbon can't perform
Irreversible Chemisorption	Chemical reactions convert pollutants into stable, non-volatile compounds. No risk of desorption or secondary pollution during operation or disposal.
High Loading Capacity	Delivers significantly higher adsorption capacity for low-concentration toxic gases compared to standard activated carbon, extending service intervals.
Uniform Impregnation	Active sites are evenly distributed throughout the pore structure, ensuring consistent performance from the first day to the last
Flexible Form Factors	Available in columnar and granular forms, compatible with fixed-bed systems, respirator filters, and industrial scrubbers

Applications & Solutions

Air & Gas Treatment

Water & Liquid Treatment

Food & Beverage

Pharmaceutical & Medical

Energy & Resources

Industrial Chemicals

1.Industrial Toxic & Corrosive Gas Treatment

Neutralizes HCl, SO₂, HF and other acid gases, protecting equipment and meeting emission standards.

Impregnated Carbon for Acid Gas Neutralization

2.Wastewater & Food Processing Odor Control

Targeted removal of H₂S, mercaptans and organic sulfides for wastewater plants and food factories.

Explore impregnated carbon for odor treatment

3.Ammonia & Alkaline Gas Removal

Efficiently adsorbs NH₃ and amines for fertilizer plants, cold storage and aquaculture.

Discover impregnated carbon for ammonia treatment

4.Respiratory Protection & PPE

Filtration media for gas masks, protecting against organic vapors, acid gases and toxic pollutants.

Read about impregnated carbon for respiratory protection

PureStar Coconut Shell Activated Carbon Products

1.For Sulfur & Odor Removal

SRC-A Impregnated Columnar Carbon: For food processing H₂S and odor control

SRC-BL Impregnated Columnar Carbon: For wastewater sulfide removal

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SRC-BL Impregnated Coal Columnar Carbon for Wastewater Odor Removal

SRC-BL is an economy-grade impregnated extruded activated carbon designed for light-to-moderate hydrogen sulfide and organic sulfide odor control applications. Built on a steam-activated coal base carbon with controlled alkaline impregnation, it delivers dependable sulfide removal performance at an accessible price point, making it ideal for large-volume ambient odor control installations.

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SRC-A 4mm Impregnated Coal Extruded Carbon – High-Capacity H₂S & Sulfide Removal

SRC-A is a high-performance impregnated extruded activated carbon designed specifically for removing hydrogen sulfide and low-concentration organic sulfide gases from industrial air streams. Manufactured from premium bituminous coal via steam activation followed by alkaline impregnation treatment, it combines physical adsorption with chemical reaction to deliver high sulfide removal capacity for odor and acid gas control applications.

2.For Acid & Corrosive Gas

PFH-E Acid-Proof Impregnated Carbon: Neutralizes SO₂, HCl and HF

AE-Type Impregnated Carbon: Dual removal of acid gases and organic vapors

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CFV 4×8 Coconut Shell Granular Activated Carbon for Odor Control

CFV 4×8 Coconut Shell Granular Carbon – Low Pressure Drop HVAC Odor Control

Engineered specifically for ventilation systems, CFV 4×8 coconut shell granular activated carbon balances reliable adsorption performance with minimal airflow resistance thanks to its 4×8 mesh grading. It fits directly into standard commercial HVAC filter housings with no system modifications required, allowing facility owners to upgrade air treatment performance at a low retrofit cost.

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CTC-100 Activated Carbon for Air Purification and VOC Removal

CTC-100 High Purity Coconut Shell Carbon – Premium VOC & Gas Phase Adsorption

CTC-100 is a premium gas-phase coconut shell granular carbon with highly developed porosity for medium-to-high concentration VOC and sulfide treatment. It also serves as a high-performance catalyst support, making it the preferred choice for fine chemical and environmental engineering projects requiring high purity and consistent performance.

3.For Ammonia & Alkaline Gas

ARC-A Impregnated Columnar Carbon: Phosphoric acid impregnated for NH₃ removal

PFH-K Impregnated Carbon: Specialized for ammonia and amine gas treatment

ABEK Multi-Gas Impregnated Carbon: Comprehensive protection for respirator filters

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ARC-A Impregnated Coal Columnar Activated Carbon for Ammonia Removal

ARC-A 4mm Impregnated Coal Columnar Carbon – Ammonia & Amine Removal

ARC-A is a high-performance impregnated extruded activated carbon engineered specifically for gas-phase removal of ammonia and low-concentration organic amine vapors. Manufactured from premium bituminous coal via steam activation followed by controlled acidic impregnation treatment, it combines physical adsorption with chemical neutralization to deliver reliable alkaline odor control performance for industrial and municipal off-gas treatment systems.

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GPC-P 4×8 Coconut Shell Activated Carbon - High CTC Catalyst Support & Gas Purification

GPC-P 4×8 is a high-activity coconut shell granular activated carbon engineered for dual-role performance in catalyst support and gas-phase purification. Manufactured from premium coconut shell through high-temperature carbonization and steam activation, it delivers high CTC adsorption capacity (>80%), exceptional mechanical strength (>95%), and controlled surface chemistry suitable for metal catalyst anchoring. Its versatile 4×8 mesh grading makes it ideal for fixed-bed reactors, HVAC systems, and solvent recovery operations.

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ABEK Impregnated Coconut Shell Activated Carbon for Respirator Filters

ABEK Impregnated Coconut Shell Carbon – Broad-spectrum Toxic Gas Protection

Manufactured from premium coconut shell carbon with catalyst loading and deep processing treatment, ABEK is a comprehensive protective impregnated activated carbon. It provides reliable protection against organic gases, chlorine, chlorine dioxide, hydrogen chloride, sulfur dioxide, hydrogen sulfide (escape only), ammonia, methylamine and formaldehyde, widely used in respiratory protection for complex toxic gas environments.

Why Choose PureStar

PureStar's core impregnation technology has been refined over 15 years for one purpose: reliable removal of the toxic gases and odors that standard carbon can't handle. We customize impregnant loading and base carbon selection based on your specific gas composition, concentration, and operating conditions. Our technical team provides gas treatment solutions backed by lab validation and field-proven performance for industrial safety and environmental compliance.

Keep in touch with us

Facing a challenging gas treatment problem?

Request a free impregnated carbon assessment tailored to your pollutant profile.

Mob：+86 18112281981

E-mail：psd09@purestar.com.cn