Apparatus for contacting solids in the form of freeflowing lumps with liquids or gases
US6017499A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 10, 1997 |
| Grant date | Jan 25, 2000 |
| Priority date | — |
| Expiry date | Mar 10, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2219/182
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention is directed to an apparatus for contacting in a reactor solids in the form of free-flowing lumps with liquids or for contacting solids with liquids and gases by bringing the reactants into contact with each other, said reactor comprising a housing containing a screen in the area of which contacting takes place wherein PA1 the screen is a rotary screen drum 5, PA1 the screen drum 5 rotates in a bottom vat during the operation, said vat holding a gaseous or liquid medium reacting with the solids, and PA1 the bottom vat 10 can be lowered such that the solids in the screen drum 5 and the medium in the bottom vat 10 can be separated from each other whenever it is desired to alter or interrupt the chemical reaction or physical process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.