Waste treatment
US8957275B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2011 |
| Grant date | Feb 17, 2015 |
| Priority date | — |
| Expiry date | Feb 5, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S588/90
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the treatment of hazardous waste, the process comprising: (i) providing a hazardous waste; (ii) providing a further waste; (iii) plasma treating the hazardous waste in a first plasma treatment unit, (iv) gasifying the further waste in a gasification unit to produce an offgas and a char material; and (v) plasma treating the offgas, and optionally the char material, in a second plasma treatment unit to produce a syngas, (vi) optionally treating the syngas in a gas cleaning plant, wherein the first plasma treatment unit is arranged to plasma treat at least some of the solid by-products from the gasification unit and/or the second plasma treatment unit and/or the gas cleaning plant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.