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SRC-BL Impregnated Coal Columnar Carbon for Wastewater Odor Removal

SRC-BL is a specialized impregnated coal columnar activated carbon engineered for hydrogen sulfide and mercaptan removal. The 4mm extruded form and targeted chemical impregnation deliver high-capacity odor control in demanding wastewater and biogas applications.
Availability:
Quantity:
  • SRC-BL

  • purestar

Product Overview

SRC-BL columnar activated carbon is manufactured from bituminous coal through grinding, extrusion with binder, high-temperature steam activation, and alkaline impregnation. The caustic treatment creates active sites for chemisorption of acidic sulfur compounds.

Designed specifically for hydrogen sulfide, mercaptan, and organic sulfide removal in wastewater treatment facilities, biogas upgrading, and oil & gas processing operations.

Specifications

Technical Specifications

SRC-BL

Unit

CTC(base)

More than 50

% -wt

Moisture content

Less than 20

% -wt

Pellet diameter

4

mm

Bed density

470 ~ 570

kg/m³

Hardness numbrt

More than 90

%

Surface area(base)

More than 900

m²/g

Mesh size> 6 mesh (3.35 mm)

More than 95

%-wt

Packaging & Shipping

Available particle size:

4 mm/3 mm/2 mm

4 × 8 mesh (2.36 ~ 4.75 mm)

6 × 12 mesh (1.7 ~ 3.35 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

Key Features

  • Alkaline impregnation for H₂S and mercaptan chemisorption

  • 4mm columnar form optimizes bed packing and flow distribution

  • High H₂S removal capacity: >35 min protection time

  • Excellent mechanical strength: >95% withstands bed movement

  • Low pressure drop reduces energy consumption

  • Suitable for biogas and natural gas sweetening

Applications

  • Municipal wastewater plant odor control

  • Industrial wastewater treatment facilities

  • Biogas upgrading and purification

  • Oil and gas processing H₂S removal

  • Landfill gas treatment

  • Pulp and paper mill odor control

Technical Advantages

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.

Certifications

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

Quality Assurance

  • 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.

Why Choose Us

  • 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

FAQ

Q1: What is the H₂S removal mechanism?

A: SRC-BL uses alkaline impregnation (typically KOH or NaOH) to chemically react with H₂S, forming stable metal sulfides through irreversible chemisorption.

Q2: How does SRC-BL compare to iron sponge for H₂S removal?

A: SRC-BL offers higher H₂S capacity per unit volume, lower weight, and easier handling than iron sponge, though iron sponge may be more economical for very high H₂S concentrations (>1000 ppm).

Q3: Can SRC-BL remove other sulfur compounds?

A: Yes, SRC-BL effectively removes carbonyl sulfide (COS), carbon disulfide (CS₂), and various mercaptans common in biogas and wastewater streams.

Q4: What is the typical bed life in biogas applications?

A: At typical biogas H₂S levels (500-2000 ppm), bed life ranges from 6-12 months depending on flow rate and target outlet specifications.

Q5: Is spent SRC-BL hazardous waste?

A: Spent carbon containing metal sulfides may be classified as hazardous depending on local regulations. Disposal should follow applicable waste classification procedures.

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