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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.
Availability:
Quantity:
  • GPC-P

  • purestar

Product Overview

GPC-P 4×8 granular activated carbon is produced from select coconut shell raw material via controlled carbonization and high-temperature steam activation. The product achieves a high carbon tetrachloride activity (CTC >80%), indicating superior gas-phase adsorption capacity for VOCs, odors, and low-boiling-point solvents. With ash content controlled below 5% and hardness exceeding 95%, it maintains structural integrity under continuous airflow or reactor conditions.

The optimized pore structure and surface chemistry provide effective anchoring sites for precious metal and base metal catalyst precursors, making GPC-P 4×8 a reliable support medium for hydrogenation, oxidation, and environmental catalysis. Simultaneously, its high micropore volume and low pressure drop characteristics deliver excellent performance in air purification, HVAC odor control, carbon dioxide refining, and solvent vapor recovery applications.

Specifications

Parameter

Technical Specification

Unit

CTC Value

> 80

%-wt

Moisture Content

< 10

%-wt

Ash Content

< 5

%-wt

Granule Hardness

> 95

%

Particle Size > 4 Mesh (4.75 mm)

< 10

%-wt

Particle Size < 8 Mesh (2.36 mm)

< 5

%-wt

Available particle size

  • 4×8 Mesh ( 2.36 ~ 4.75 mm)

  • 6×12 Mesh ( 1.4 ~ 3.35 mm)

  • 30×70 Mesh ( 0.215 ~ 0.6 mm)

Packaging

20 kg/bag、500 kg/bag

Key Features

  • High CTC Activity:Superior gas-phase adsorption capacity for VOCs, esters, and common organic vapors extending filter bed service life

  • Premium Coconut Shell Base:High hardness (>95%) produces minimal dust under continuous airflow, preventing downstream coil and ductwork contamination

  • Dual-Function Design:Suitable for both catalyst support and industrial air purification / HVAC applications in a single media

  • Low Ash Content:Reduces impurity interference in catalytic reactions and high-purity gas treatment processes

Applications

  • Precious metal catalyst support (Pd, Pt, Au) for hydrogenation, oxidation and gas-phase catalytic reactions

  • Base metal catalyst carrier (Cu, Ni, Co) for chemical synthesis and fine chemical production

  • Industrial air purification and HVAC odor control in commercial buildings and process facilities

  • Carbon dioxide gas purification and refining for food-grade and industrial CO₂ streams

  • Low-boiling-point solvent recovery units (VRU) for acetone, ethanol, and light hydrocarbon capture

  • Chemical processing exhaust treatment and environmental catalysis (SCR, oxidation)

  • High-end gas refining for natural gas and specialty gas impurity removal

Technical Advantages

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  • High CTC value provides larger loading capacity for benzene, esters, and common VOCs, extending service life in both catalytic and adsorption systems compared to standard water-treatment carbons

  • Standard 4×8 mesh sizing matches most commercial HVAC filter boxes and reactor vessels for direct drop-in replacement without equipment modification or fan rebalancing

  • High-hardness coconut shell base produces minimal dust under continuous airflow scouring, preventing downstream coil, ductwork, and pipeline contamination in ventilation systems

  • Thermally regenerable structure reduces long-term operational costs for continuously running ventilation and cyclic catalytic systems

  • Balanced micro-mesopore structure supports efficient mass transfer in catalytic reactions while maintaining low pressure drop in high-flow gas purification applications

  • Ash content controlled below 5% meets requirements for most catalytic and high-purity gas applications without introducing excessive inorganic interference

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

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  • 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

Q: What makes GPC-P 4×8 suitable for catalyst support?

A: GPC-P 4×8's optimized surface chemistry and high purity provide effective anchoring sites for metal precursors, while its >95% hardness maintains structural integrity under reactor conditions. Typical precious metal loadings of 0.5–5% by weight are readily achieved.

Q: What is the difference between GPC-P 4×8 and CFV 4×8?

A: GPC-P 4×8 features higher CTC activity and is optimized for both catalyst support and high-performance air purification including CO₂ refining. CFV 4×8 is positioned for standard HVAC and odor control. Choose GPC-P 4×8 when catalytic functionality, higher adsorption capacity, or gas refining is required.

Q: Can GPC-P 4×8 be used for CO₂ purification?

A: Yes, GPC-P 4×8 effectively removes trace organic impurities and odors from carbon dioxide gas streams, making it suitable for food-grade CO₂ and industrial gas refining applications.

Q: Is GPC-P 4×8 suitable for low-boiling-point solvent recovery?

A: Yes, its high CTC activity and developed pore structure provide effective adsorption capacity for low-boiling-point solvents such as acetone, methanol, and ethanol in vapor recovery units.

Q: Can spent GPC-P 4×8 catalyst carbon be regenerated?

A: Spent catalyst carbon can often be thermally regenerated or processed for precious metal recovery, depending on contamination type and value of supported metals. For air purification applications, thermal regeneration restores adsorption capacity for multiple cycles.

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