发明名称 Reclaiming process for zeolite served for adsorbing ammoniacal nitrogen contained in sewage
摘要 Disclosed in the present invention is a process for removing ammoniacal nitrogen from zeolite by bringing a zeolite-containing substance employed for adsorbing ammoniacal nitrogen contained in sewage into contact with an aqueous solution of sodium carbonate having a pH value of 11+/-1.0.
申请公布号 US4122007(A) 申请公布日期 1978.10.24
申请号 US19760677159 申请日期 1976.04.15
申请人 CATALYSTS & CHEMICALS INDUSTRIES CO., LTD. 发明人 YAMAMOTO, TAMECHIKA;NISHIMURA, YOICHI;SANGA, SEIJI
分类号 C02F1/42;B01J39/02;B01J49/00;C01B39/02;C01B39/50;C08J5/20;(IPC1-7):B01J1/09 主分类号 C02F1/42
代理机构 代理人
主权项
地址