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粒状活性炭

Granular activated carbon (GAC) is characterized by its well developed porous structure, high mechanical strength and superior regenerative ability. Designed to be used in a fixed bed filter, it provides a continuous, long-lasting absorption capability for cleaning, air-treating, and industrial processes.
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What Is Granular Activated Carbon?

 

Granular activated carbon (GAC) is an activated carbon that has a wide variety of applications and has an uneven or even grain diameter, usually between 0.2 and 5 mm. It is made from a wide variety of raw materials—including coal, coconut shells, timber, and other carbon-rich feedstocks—by means of controlled carbonation and vapor or chemical activation processes that create an extensive web of micropores, mesopores, and macropores in every carbon grain.

Contrary to PAC, which is injected directly into the process stream, PAC is mainly used in fixed-bed sorption containers, filtration towers, and packaged-bed systems in which the water or gas to be handled is constantly moved across a fixed carbon bed. Such a structure permits prolonged, continuous contact with the carbon surface, which can be maintained at high efficiency for long operating periods. Granular activated carbon beds are usually capable of thermal or chemical regeneration and are reused several times prior to the need for replacement, thus providing a highly cost-effective long-term solution for continuing therapy. 

Why Choose Granular Activated Carbon?

  • Continuous, Long-Cycle Treatment Performance — Granular activated carbon fixed-bed systems run uninterrupted for a prolonged period of time, providing a uniform level of pollutant elimination over a high volume flow rate—thus becoming a first choice for urban wastewater treatment facilities, industrial wastewater systems, and large-scale air cleaning facilities.
  • Regenerable and Cost-Efficient Over Time — Spent GAC is capable of thermal reactivation and reuse several times, substantially cutting down on the long-term CO₂ emissions and minimizing the production of waste as opposed to single-use sorbent substitutes.
  • Low Pressure Drop for High-Flow Applications — Granular Grain Architecture permits the passage of a treated liquid with minimum resistance across the Carbon Bed, which can support a high throughput rate while not consuming too much power or pumping in a large scale system.
  • Versatile Raw Material and Grade Options — Available in coal, cod-shell, and wood-based variations over a variety of grid sizes and iodine levels, GAC can be accurately defined to meet the desired pollutant distribution, the flow conditions, and the industry's specific regulation.
  • Proven Across the Most Demanding Applications — GAC is one of the most widely verified active carbon forms currently available in industry, with a wide range of worldwide achievements in the field of drinking water removal, ground water remediation, VOC pollution control, food and drink handling, as well as drug cleaning.

業界が直面する課題

Gradual Adsorption Capacity Decline

The granular activated carbon absorption ability is reduced with the saturation of the active site during the long operating period, which needs to be monitored promptly and planned to replace or regenerate in order to keep the same level of therapy.

Biological Fouling in Water Treatment

In liquid phase applications, the microorganisms in the GAC beds may lead to biological degradation, which poses operating problems which need regular sterilization procedures and meticulous management of the system.

Limited Effectiveness Against Certain Contaminants

For low molecular weight inorganic compounds, some heavy metals and high polar materials, GAC has a lower absorption rate, which usually needs additional processing techniques to remove pollutants comprehensively.

Channeling Risk in Fixed-Bed Systems

The non-uniform distribution of fluid in a packed carbon bed will result in favorable flow paths, which will decrease the effective contact time of the process flow with the carbon surface, which will eventually affect the handling performance.

製品概要

活性炭

AQ-GCL-1240

活性炭

AQ-GC-1240AW

活性炭

AQ-GP-0830AW

活性炭

AQ-GCL-1240XF

活性炭

GOLD-GC-0612

活性炭

AQ-GC-0830AM

活性炭

AQ-GCL-0830

活性炭

IND-GCL-0408I

活性炭

IND-GC-1240AG

活性炭

AQ-GW-1240

Why Use Our Granular Activated Carbon

High Mechanical Hardness & Attrition Resistance

GAC's hard grain architecture can withstand the physical pressures of running continuously, back washing, and repeatedly regenerating cycles – to minimise the production of carbon dioxide and to preserve the integrity of the bed for prolonged use.

Excellent Regeneration Capability

Different from PAC, Granular activated carbon is capable of thermal regeneration and reutilization several times, greatly cutting down on the long term material consumption and the overall property cost of high volume processing.

Broad-Spectrum Contaminant Removal

GAC is effective in adsorption of organic matter, residual chlorine, VOCs, odour, taste - inducing materials, and many other industrial micro-pollutants in liquid and gas phase.

関連アプリケーション

Granular activated carbon is widely used in liquid and gas phase applications due to its strong absorption ability, mechanical endurance, and regenerative ability. Applicable to urban and industrial facilities, granular activated carbon is adaptable to a wide range of operating needs. The following is a summary of the main applications.
廃水処理用活性炭 リンク画像

廃水処理

飲料水処理用活性炭 リンク画像

飲料水

海水淡水化用活性炭 リンク画像

海水淡水化

PFAS Activated Carbon Link Image

PFAS

金回収用活性炭 リンク画像

金の回収

金属除去用活性炭のリンク画像

Metal Removal

Nitrate Removal Activated Carbon Link Image

硝酸塩の除去

Mercury Removal Activated Carbon Link Image

水銀の除去

Catalytic Activated Carbon Link Image

触媒作用

Aquaculture Activated Carbon Link Image

水産養殖

業界別ソリューション

Our product range goes far beyond the single material. Our products are customized to meet the specific operating requirements of all sectors, from urban wastewater and industry, to food security and speciality chemicals. Look through our industrial solutions to determine the appropriate mix of products and know-how for your particular application.
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梱包・物流サービス

安全でカスタマイズ可能な梱包

製品は、輸送中の清潔さと完全性を確保するため、耐久性があり防湿性のあるパウチまたはバルク容器に収納されるものとします。特殊なサイズや取り扱い要件に合わせた、カスタマイズされた梱包オプションもご用意しています。.

信頼性が高く、柔軟なグローバル配送

信頼できる物流パートナーと連携し、海上、航空、陸路の各輸送手段に対応した柔軟な配送体制を提供しています。世界中の目的地へ、迅速かつ安全に貨物を配送いたします。.

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