发明名称 |
Process for producing acrylic acids and acrylates |
摘要 |
In one embodiment, the invention is to process for producing acrylics. The process includes the steps of contacting a crude product stream with an extraction agent mixture at a temperature less than 50° C. |
申请公布号 |
US9487466(B2) |
申请公布日期 |
2016.11.08 |
申请号 |
US201113327888 |
申请日期 |
2011.12.16 |
申请人 |
CELANESE INTERNATIONAL CORPORATION |
发明人 |
Peterson Craig J.;Warner R. Jay;Chapman Josefina T. |
分类号 |
C07C67/48;C07C51/42 |
主分类号 |
C07C67/48 |
代理机构 |
Kilpatrick Townsend & Stockton LLP |
代理人 |
Kilpatrick Townsend & Stockton LLP |
主权项 |
1. A process for producing an acrylate product, the process comprising the steps of:
(a) providing a crude product stream comprising acrylate product comprising acrylic acid, alkylenating agent comprising formaldehyde and water; (b) contacting a portion of the crude product stream or a derivative stream thereof with at least one extraction agent to form an extract stream comprising acrylate product and extraction agent and a raffinate stream comprising alkylenating agent and water, wherein step (b) is carried out at a temperature less than 50° C.; and (c) recovering acrylate product. |
地址 |
Irving TX US |