Powder feeder apparatus
US5209607A · kind A · utility
17Cited by
11References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 1989 |
| Grant date | May 11, 1993 |
| Priority date | — |
| Expiry date | Aug 24, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2208/00752
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention relates to an apparatus and process for feeding powder or dry solids catalyst into a flowing liquid stream. More particularly, the invention includes an apparatus which includes a novel purging device and means for isolating a metering means from a liquid stream, and process for injecting finely divided flowable powder or catalyst into a flowing liquid stream, which in turn is fed into a reactor utilized for the production of polypropylene or polyolefins.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.