发明名称 |
Method of treating phenolic waters formed in the manufacture of phenol-formaldehyde resins |
摘要 |
The present invention relates to the field of environmental protection. The proposed method of treatment of phenolic waters formed in the manufacture of phenol-formaldehyde resins consists in that said phenolic waters are mixed with formaldehyde and the product of phenol-formaldehyde condensation taken in the quantity of 15-25 percent parts by weight per 100 parts by weight of phenolic waters, and the mixture is heated in the presence of alkali.
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申请公布号 |
US4216088(A) |
申请公布日期 |
1980.08.05 |
申请号 |
US19780959424 |
申请日期 |
1978.11.13 |
申请人 |
JUFEROV, ANATOLY M;NESTEROVA, OLGA M;SHAKHOVA, GALINA I |
发明人 |
JUFEROV, ANATOLY M;NESTEROVA, OLGA M;SHAKHOVA, GALINA I |
分类号 |
C02F1/00;C02F9/00;C02F103/38;(IPC1-7):C02C5/02 |
主分类号 |
C02F1/00 |
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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