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.
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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 |
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代理人 |
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主权项 |
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地址 |
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