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  • Regeneration method of waste activated carbon: heating regeneration method

    Author: second hand daquan.com date: September 15, 2020 popularity:

    Activated carbon is a kind of environmental protection product which can be recycled and reused.

    The activated carbon will be regenerated under certain conditions.

    The so-called waste activated carbon regeneration, in fact, refers to the operation and method of reactivating the active ingredients to achieve the purpose of reuse through external stimulation to change the external environment of activated carbon. With the wide attention of the activated carbon industry and the development of the market, activated carbon has been used in various fields of life.

     Waste activated carbon

    Regeneration of waste activated carbon

    Regenerative heating The regeneration process of used activated carbon can be divided into three stages: drying, high temperature carbonization and activation according to the change of organic matter when heated to different temperatures. In the drying stage, the volatile components on the activated carbon are mainly removed. In the high temperature carbonization stage, a part of organic matter adsorbed on the activated carbon boils and evaporates, and some organic matters decompose to form small molecular hydrocarbon and desorb. The residual components remain in the pores of activated carbon and become "fixed carbon".

    In this stage of carbonization, the temperature will reach 800-900 ° C. in order to avoid the oxidation of activated carbon, it is usually carried out in vacuum or inert atmosphere. In the next activation stage, CO2, Co, H2 or steam are introduced into the reactor to clean the micropores of activated carbon and restore its adsorption performance. The activation stage is the key to the whole regeneration process. Although the thermal regeneration method has the characteristics of high regeneration efficiency and wide application range, in the process of regeneration, it needs additional energy heating, and the investment and operation costs are high.

    My unit is a professional recycling of used activated carbon, including granular carbon, coconut shell carbon, coal based activated carbon, etc., need to buy activated carbon, treatment of waste activated carbon, welcome to contact us.

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