With the massive amounts of spent activated carbon resulting from pollutant adsorption, it has become a significant industrial solid waste. Direct incineration of spent activated carbon can release various hidden bacteria and viruses into the air, posing potential health threats to humans. Discarding it leads to soil and water pollution as well as wastage of resources. So, how can spent activated carbon be handled?
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One effective method is regeneration. By sending spent activated carbon to specialized regeneration companies and treating it with specific regeneration equipment, it can be reused. Regeneration offers significant cost reduction, pollution reduction, and maintains the strong adsorption capacity of activated carbon even after regeneration.
The regeneration process employs a two-step method: indirect heating carbonization and activation, ensuring thorough removal of organic substances adsorbed in the activated carbon. Operating within an oxygen-free environment ensures complete carbonization of organic matter, ultimately forming fixed carbon bonded to the activated carbon. This approach not only avoids the waste of effective activated carbon but also collects fixed carbon resulting from the carbonization of organic matter, achieving waste recycling.
The specific process involves crushing and grinding the fixed carbon, sieving it to obtain suitable particle sizes, subjecting it to secondary carbonization in a carbonization furnace, and then cooling and pulverizing it to the desired particle size using a spent activated carbon Raymond Roller Mill. The prepared powdered activated carbon is then screened, classified, and packaged according to appearance and market demand.
Subsequently, based on the actual conditions and requirements of sewage treatment plants, incineration plants, power plants, etc., technicians conduct small-scale experiments in the laboratory to determine process parameters. Finally, a production line for deep processing and compounding of activated carbon is used to produce specialized activated carbon for wastewater and exhaust gas treatment. Regenerated activated carbon maintains its adsorption performance, offering cost savings for industries requiring large quantities of activated carbon.
For businesses seeking milling equipment for their spent activated carbon regeneration projects, feel free to contact us for more details.
