发明名称 |
Process for the recovery of selenium from urethanes containing selenium or compounds thereof |
摘要 |
A process for the recovery of selenium from a urethane solution containing selenium compounds which may be in the form of metallic selenium, inorganic selenium and/or organoselenium compounds which comprises contacting the selenium-containing urethane solution at suitable temperatures with a supported metal or a mixture of metals and/or metal oxide compounds, said metal selectively chosen from Group B metals, i.e., Group IB through VIIIB, metals of the Periodic Table and particularly supported copper and mixtures of copper and other metal oxide compounds of said group.
|
申请公布号 |
US4055630(A) |
申请公布日期 |
1977.10.25 |
申请号 |
US19760740684 |
申请日期 |
1976.11.10 |
申请人 |
ATLANTIC RICHFIELD COMPANY |
发明人 |
MCCOY, JOHN J.;ZAJACEK, JOHN G. |
分类号 |
C01B19/00;C07C391/00;(IPC1-7):C01B19/00 |
主分类号 |
C01B19/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|