发明名称 |
METHOD OF PURIFYING WASTE WATER CONTAINING PHENOL AND PHENOL FORMALDEHYDE |
摘要 |
Phenol or phenol-formaldehyde containing waste water is purified with chlorine dioxide by treating the waste water with alkali or alkaline earth metal chlorite in the presence of formaldehyde and the weight ratio of formaldehyde to phenol is between 0.5 to 2:1 and the mole ratio of the sum of phenol + formaldehyde to chlorite is between 1:1.2 to 1:2, whereupon the treated water is decolorized, in a given case in known manner. |
申请公布号 |
JPS5376554(A) |
申请公布日期 |
1978.07.07 |
申请号 |
JP19770151222 |
申请日期 |
1977.12.17 |
申请人 |
DEGUSSA |
发明人 |
HERUMUUTO YUNKERUMAN;FUORUKERU HAAFUNERU |
分类号 |
C02F1/28;C02F1/76;C02F9/00 |
主分类号 |
C02F1/28 |
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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