发明名称 |
Method of producing acetone-cyanhydrin |
摘要 |
Acetone-cyanhydrin can be produced in a gas-liquid reactor from a hydrogen cyanide-containing gas, especially the crude gas originating from a methane-ammonia (BMA) or Andrussow process, and acetone in the presence of a base. The aim of the invention is to overcome the disadvantages of the methods for producing acetone-cyanhydrin known from the art. To this end, the gaseous phase removed from the reactor is liberated from the unreacted acetone and hydrogen cyanide in a gas purifier that is operated with a high-boiling solvent, especially with stabilized acetone-cyanhydrin, and the washed phase is fed to the gas-liquid reactor. |
申请公布号 |
AU4538500(A) |
申请公布日期 |
2000.11.10 |
申请号 |
AU20000045385 |
申请日期 |
2000.03.08 |
申请人 |
DEGUSSA-HULS AKTIENGESELLSCHAFT |
发明人 |
WALTER BORNER;LIANE DEUSSER;RALPH MARQUARDT;RUDOLF VANHEERTUM;KARL-HEINZ VIEWEG |
分类号 |
C07C253/08;C07B61/00;C07C253/00;C07C253/34;C07C255/16 |
主分类号 |
C07C253/08 |
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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