Process for separating fly-ash
US4701185A · kind A · utility
13Cited by
3References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 26, 1985 |
| Grant date | Oct 20, 1987 |
| Priority date | — |
| Expiry date | Apr 26, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L3/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Process for depressurizing fly-ash being contained in a first vessel comprising a pressurized gas by expanding the gas through at least one long and narrow pipe. The inlet of the pipe(s) dips under the upper level of the fly-ash in the first vessel. The outlet of the pipe(s) is situated in a second vessel being kept at a relatively low pressure. The gas flow through the pipe(s) entrains the fly-ash.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.