Control system for an absorption column
US4075293A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 19, 1976 |
| Grant date | Feb 21, 1978 |
| Priority date | — |
| Expiry date | Aug 19, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D53/1412
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A control for the amount of a gaseous fluid absorbed in a liquid flowing through an absorption column comprises a gage in an outlet from the absorption column for the liquid having the gaseous fluid absorbed therein, an auxiliary absorption column of a substantially smaller capacity than that of the absorption column and receiving a comparatively small amount of the gaseous fluid in addition to the liquid, another gage in an outlet from the auxiliary absorption column for the liquid having the gaseous fluid absorbed therein, the gages measuring respective parameters which are a function of the amount of the gaseous fluid absorbed in the liquid in the respective outlets and producing output signals corresponding to the respective parameters, a comparator connected to the gages for receiving the output signals and comparing them to produce a control signal, and a flow control in the inlet for the gaseous fluid or the liquid of the absorption column, the flow control being connected to the comparator and controlled by the control signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.