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Home> Industry Information> Fine Products in Activated Carbon--Use of Nut Shell Activated Carbon

Fine Products in Activated Carbon--Use of Nut Shell Activated Carbon

December 10, 2021

With the development of science, the use of activated carbon has become more and more widespread, and with the country’s emphasis on the ecological environment, activated carbon is also playing an increasingly important role in the environmental protection industry. This is particularly true of the activated carbon of the shell; What are the uses of activated carbon? Let's take a look.

Shell activated carbon use

Nutshell activated carbon is widely used in the deep purification of drinking water, industrial water and waste water; separation, purification and purification of various gases; recovery of organic solvents; decolorization, deodorization and refining of sugar, monosodium glutamate, pharmaceuticals, alcohol, and beverages ; The extraction of precious metals; catalysts and catalyst carriers in the chemical industry. Husk purified water activated carbon products are widely used in group and household water purifiers, drinking fountains and power plants, petrochemicals and other water treatment projects, and have a better effect on water treatment in factories, hotels, and various refreshing beverages that pollute drinking water in cities with serious pollution. . Shell activated carbon products are one of the company's leading products and are mainly used in the removal of organics, removal of residual chlorine and other processes in various types of drinking water, industrial circulating water, boiler feed water, electronic industry, and food fermentation industries. Has the ability to remove strong, long life cycle, can be repeatedly washed and so on. Activated carbon is a porous carbonaceous material. It has a highly developed pore structure and is an excellent adsorbent. The adsorption area per gram of activated carbon is equivalent to as many as eight tennis balls. The adsorption effect is The physical adsorption force and the chemical adsorption force are achieved. In addition to the carbon element, the constituent materials still contain a small amount of hydrogen, nitrogen, oxygen, and ash. Their structure is formed by the accumulation of carbon to form six rings. Due to the irregular arrangement of the six rings of carbon, the activated carbon has a microporous volume and a high surface area.

Shell activated charcoal characteristics

1, the catalytic characteristics: due to the formation of complexes between the shell activated carbon and the carrier, the catalytic activity of this complex catalyst greatly increased, activated carbon in many adsorption processes accompanied by catalytic reactions, showing the activity of the catalyst. The presence of specific surface oxygenates or complexes has catalyst activity for a variety of reactions. Developed pore structure, large internal surface area and good heat resistance, acid resistance, alkali resistance, can be used as a catalyst carrier.

2, mechanical properties: particle size, bulk density, bulk density and particle density, strength, wear resistance. These mechanical properties directly affect the use of shelled activated carbon.

3. Chemical properties: The adsorption of nut shell activated carbon depends not only on the pore structure but also on the chemical composition. Nutshell activated carbon contains a small amount of chemical binding, functional groups of oxygen and hydrogen. Some of the oxides and complexes contained on these surfaces are derived from raw material derivatives, some of which are generated by the action of air or water vapor upon activation and activation. Surface sulphides and chlorides are also sometimes produced. During the activation, the minerals contained in the raw materials are concentrated into the activated carbon and become ash. The main components of the ash are alkali metal and alkaline earth metal salts. The ash content can be reduced by washing or pickling.

4. Adsorption characteristics: The nutshell activated carbon is a very fine carbon particle with a large surface area, and there are more fine pores in the carbon particle—capillary. This capillary tube has a strong adsorption capacity. Due to the large surface area of the carbon particles, it can be in full contact with gases (impurities). When these gases (impurities) encounter the capillary and are adsorbed, they act as a purifying agent.

How to buy activated carbon

I. Iodine value

Iodine value is a poor performance of activated carbon. The iodine value of shells, bamboo charcoal, and coal are all within a few hundred. The iodine value of activated carbon raw materials ranges from 800, 850, 900, 950, 1000, 1100 mg/g, etc. Different! The cost price is also different! With the iodine value of activated carbon coconut shell only the best.

Second, hand weight

As mentioned above, in order to improve the adsorption performance of activated carbon, only as many porous structures as possible are formed on activated carbon. The more voids, the looser the activated carbon, and the lighter the relative density, so the feel of a good activated carbon will be compared. Light, in the case of the same weight packaging, activated carbon will be much larger than inferior activated carbon.

Third, look at the bubbles. Put a small amount of activated carbon into the water. As the water penetrates, the water will gradually immerse in the pore structure of the activated carbon, forcing the air in the pores to expel, which will produce a series of tiny air bubbles, pulling out a small one in the water. The bubble line, at the same time, will make a slight sound of bubbles, very interesting. The more intense this phenomenon occurs, the longer the duration, and the better the adsorption of activated carbon.

Fourth, look at the ability of decolorization Activated carbon adsorption capacity of another performance is the ability of decolorization, activated carbon has the ability to change the colored liquid into a light-colored or colorless magic, which is actually due to activated carbon adsorption pigment molecules in the colored liquid caused .

Five, important tips

At present, consumers have not enough understanding of activated carbon, often mischaracterized carbon charcoal, charcoal, coconut shell charcoal and other carbon materials are mistaken for activated carbon; secondly, low-value carbon carvings and ordinary activated carbon are regarded as high-quality activated carbon. So please distinguish when purchasing, do not be deceived.

Summary: The above is the content of the shell activated carbon used by Xiao Bian for everyone's introduction. I hope you can help us effectively. For more information, please pay attention to this website.

Activated carbon activated carbon brand purifier decoration use

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