发明名称 |
CATALYST RECOVERY PROCESS |
摘要 |
The present invention relates to a method for recovering lanthanoid catalyst from the preparation of aspartic acid diethoxy succinate comprising contacting a carbonate source with a solution containing lanthanoid ions derived from said preparation and a chelating agent different from aspartic acid diethoxy succinate to precipitate lanthanoid carbonate followed by separating the precipitated lanthanoid carbonate from the solution.
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申请公布号 |
US2013190526(A1) |
申请公布日期 |
2013.07.25 |
申请号 |
US201113639577 |
申请日期 |
2011.05.31 |
申请人 |
AKSELA REIJO;RISSANEN JUSSI |
发明人 |
AKSELA REIJO;RISSANEN JUSSI |
分类号 |
B01J38/68 |
主分类号 |
B01J38/68 |
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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