Heat recovery from a naphtha fractionation column
US9663721B2 · kind B2 · utility
0Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 4, 2014 |
| Grant date | May 30, 2017 |
| Priority date | — |
| Expiry date | Oct 30, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for separating naphtha feed stream and recovering heat from at least one stream from a column by heating other columns. Preferably, both an overhead stream and a bottom stream from a first column heat a second column and a third column. The pressure of the overhead stream is increased, resulting in an increased temperature of the overhead and bottoms streams. The overhead stream can be split into portions to heat other columns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.