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