| 发明名称 |
Purification and recovery of ethylene dichloride |
| 摘要 |
Carbon tetrachloride and chloroform are separated as a light fraction from ethylene dichloride by distilling the ethylene dichloride under reflux conditions to maintain a chloroform concentration greater than 51.5 mole percent in the reflux liquid.
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| 申请公布号 |
US4162201(A) |
申请公布日期 |
1979.07.24 |
| 申请号 |
US19780923856 |
申请日期 |
1978.07.12 |
| 申请人 |
PPG INDUSTRIES INC |
发明人 |
CRICO, AURELIO M |
| 分类号 |
B01D3/32;B01D3/36;C07C17/38;C07C17/383;(IPC1-7):B01D3/36;C07C19/02 |
主分类号 |
B01D3/32 |
| 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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