发明名称 |
Process for the production and purification of propylene glycol |
摘要 |
The present invention relates to a process for producing an odorless and colorless industrial grade propylene glycol from glycerol obtained during the manufacturing of biodiesel. The process includes hydrogenating the glycerol to form a hydrogenated product, distilling the hydrogenated product to form a glycol product, and contacting the glycol product with a treatment bed. The propylene glycol may be used in various industrial and consumer applications and products such as personal care products. |
申请公布号 |
US8664448(B2) |
申请公布日期 |
2014.03.04 |
申请号 |
US20090994961 |
申请日期 |
2009.06.02 |
申请人 |
GODAVARTHY SRINIVASA;SU WEI-YANG;DIGUILIO RALPH M.;HARVILLE STAN;FORKNER MATTHEW W.;HUNTSMAN PETROCHEMICAL LLC |
发明人 |
GODAVARTHY SRINIVASA;SU WEI-YANG;DIGUILIO RALPH M.;HARVILLE STAN;FORKNER MATTHEW W. |
分类号 |
C07C29/80;C07C31/20 |
主分类号 |
C07C29/80 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|