Process for separating and purifying a multicomponent mixture
US5405534A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 30, 1993 |
| Grant date | Apr 11, 1995 |
| Priority date | — |
| Expiry date | Aug 30, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2259/41
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process and apparatus for continuously separating a multicomponent mixture containing at least 3 components and purifying each component in a high concentration, high purity and high recovery, wherein the apparatus comprises a column group comprising a fractionation zone, a purification zone and a desorption zone which are formed by combining at least 2 columns to form one subgroup and combining at least 3 zones; column connection tubings for in series connecting the columns in the fractionation zone; subgroup connection tubings for connecting corresponding columns of two subgroups positioned in the separation zone (in series) and the purification zone (in parallel); zone connection tubings for in parallel connecting each column of the fractionation zone and each column of the purification zone; purification/desorption medium-feeding tubings for feeding each purification/desorption medium to each column of the purification and desorption zones; a subject mixture-feeding means for feeding a multicomponent mixture to the column of the uppermost stream of the fractionation zone; and a column group movement means for successively moving the columns from the present subzone to the nex…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.