发明名称 METHOD FOR PRODUCING ACTIVATED CARBONS USING SEWAGE SLUDGE
摘要 PURPOSE: A producing method of activated charcoal using sewage sludge is provided to economically produce the high quality activated charcoal by using a low price carbon source. CONSTITUTION: A producing method of activated charcoal using sewage sludge comprises the following steps: dissolving KOH or NaOH to distilled water, and inserting sewage sludge carbide for mixing for 1~4hours and drying; inserting the obtained carbide into a reactor, and injecting nitrogen gas into the reactor; increasing the temperature by 1~10deg C per minute, and maintaining at 600~800deg C for 40~80minutes; and removing the KOH or NaOH from the carbide by washing with acid, and washing with the distilled water to remove the acid before drying.
申请公布号 KR20110010491(A) 申请公布日期 2011.02.01
申请号 KR20090068090 申请日期 2009.07.24
申请人 HYUNDAI STEEL COMPANY 发明人 CHOI, JONG CHEOL;KWON, HYEOK KEE
分类号 C01B31/10 主分类号 C01B31/10
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