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Activated carbon for high adsorption "MaxSorb"
Activated carbon for high adsorption "MaxSorb"
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Activated carbon for high adsorption MAXSORB – Kansai Coke and Chemicals Company Limited

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Three times the specific surface area of conventional activated carbon can be achieved! MAXSORB has a higher adsorption performance compared to conventional steam-activated carbon.

Alkaline activated carbon ””MAXSORB”” has a higher specific surface area than conventional(steam etc.) activated carbon. For example, a product whose specific surfacr area is more than 3,000 square meters per gram is available, which is three times higher adsorption performance compared to conventional steam-activated carbon.
There are various kinds of shape in MAXSORB products such as powder, granular, fiber and pellet.

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Features

  • Three times the specific surface area of ordinary activated carbon!
  • We are developing not only powder but also fibrous activated carbon!
  • A wide variety of raw materials, activation conditions, and post-treatment processes are used to create a lineup of products with improved trihalogen adsorption performance, even with steam activated charcoal.

Applications / Examples

  • High-capacity capacitor electrodes
  • Water purifiers
  • Methane storage
  • Catalyst carriers
  • High-performance deodorizers
  • Adsorption heat pumps
  • Gas masks
  • Protective clothing
  • Hydrogen storage
  • VOC removal
  • Precious metal recovery
  • Rare gas adsorption
  • Medical/Healthcare

What is ACTIVATED CARBON?

ACTIVATED CARBON is a carbonized adsorbent which has a lot of micropore formed by reaction of gas or chemicals at high temperature.

It is said that three different types of pore have each different role.

  1. Micro pore : <2nm
  2. Meso pore : 2~50nm
  3. Macro pore : 50nm<

The specific surface area of conventional activated carbon is about 1000m2/g.
This size is equivalent to 5 tennis courts.

We have higher surface area activated carbon whose surface area has more than 2,000m2/g (MAXSORB(R)), compared to standard activated carbon.

How to manufacture ACTIVATED CARBON

ACTIVATED CARBON is manufactured by carbonizing raw materials such as wood chips, coconut shells, and coal at high temperature and then making pore in the carbon through activation process.

There are two main methods of manufacturing activated carbon: gas-activated and chemical-activated.
We have both type of activated carbon : gas-activated carbon using steam and chemical-activated carbon using alkali metal compounds (KOH).

The above activated carbon is then washed, particle-size adjusted, and heat-treated as necessary.

What is MAXSORB® ?

High surface area activated carbon (MAXSORB®) is an alkali (KOH)-activated carbon that Kansai Coke and Chemicals Co., Ltd. succeeded in mass-producing advanced in the world in 1992.

Point1:HIGH SURFACE AREA

While most of general steam activated carbon products are its surface area of around 1,000m2/g, some alkali activated carbon products have its surface area of more than 2,000m2/g, which means that they have high adsorption performance.

Point2: SURFACE PROPERTIES

One of the characteristics of alkali activated carbon is that it has more edge surfaces than steam activated carbon.
These edge surfaces of carbon are said to be chemically active, and the evaluation of the edges can be used as a guide to the reaction activity of the carbon.

The end edge surfaces can be used, for example, as an electrode material for Electric Double Layer Capacitors, and residual chlorine removal in water purifiers.

※Explanation of graph
1. The edge of carbon is evaluated by our original method.
2. Specific Surface Area VS Active Point
when a steam activated carbon(1,000m2/g) is set to “1
(Plot: actual measurement, line: image)

Point3: SHAPE

We have powder, granular, fibrous, and pellet forms, and can make proposals according to the customer’s application.

Kansai Coke and Chemicals Company, Limited

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Kansai Coke and Chemicals Company, Limited
Kansai Coke and Chemicals Company, Limited

Innovating for Industry and Society

Founded in 1956 as a joint venture between Mitsubishi Chemical Industries, Kobe Steel, and Amagasaki Steel, Kansai Coke and Chemicals Company, Limited has been a cornerstone in supporting Japan’s steel industry. We specialize in the production of high-quality coke for steel-making, fuel gas, and a variety of chemical products. While these products are not used directly by consumers, they serve as the essential raw materials behind countless everyday goods, contributing to people’s daily lives.

OUR MISSION

Our management philosophy revolves around three core principles: “Treat people as assets, treat nature as an asset, and create new value.” We aim to foster a supportive work environment, protect the natural resources of the Earth, and create innovative products that meet the demands of a changing world. Our current focus includes not only coke and chemical products but also new ventures in carbon and energy chemistry, such as manufacturing electrode materials for electric double-layer capacitors, precision cleaning equipment for semiconductors and solar cells, and conducting environmental and material analyses, including VOC assessments.

CORE BUSINESS

  • Coke Making: Using advanced, environmentally friendly technologies, we produce high-quality coke for steel-making, optimizing resource use and minimizing environmental impact. Our processes include dust control, water purification, and energy recycling systems to ensure sustainable operations.
  • Gas Refining: Our expertise in gas refining allows us to recover valuable by-products, including coal tar, liquid ammonia, crude light oil, and sulfuric acid. These products are critical for industries such as environmental conservation, plastics manufacturing, and energy storage.

TECHNOLOGICAL INNOVATION

Leveraging our deep knowledge of carbon and energy chemistry, Kansai Coke and Chemicals is committed to driving innovation. We are actively engaged in research and development to improve product quality, enhance energy efficiency, and reduce environmental impact. Our capabilities extend to high-tech sectors, including electrode materials for energy storage devices, and precision cleaning technologies for semiconductors and solar cell manufacturing.

COMMITMENT TO SOCIETY

We believe that safety, environmental stewardship, and the creation of new value are the foundations of a trusted company. By maintaining accident-free and disaster-free operations, we ensure the safety of our employees and the communities around us, while our cutting-edge innovations contribute to both society and industry.

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High-performance activated carbon (MaxSorb®)

Kansai Coke and Chemicals Company Limited

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