Coupling an electric furnace with a liquid fuel synthesis process to improve performance when processing heterogeneous wastes
US10435295B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Dec 1, 2016 |
| Grant date | Oct 8, 2019 |
| Priority date | — |
| Expiry date | May 30, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E50/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An improved method for processing heterogeneous municipal solid waste, biomass and even construction and demolition waste into liquid hydrocarbon fuels and chemicals is obtained by coupling the synthesis process with an electric furnace. The furnace separates the metals and inorganics from the organic materials. The high temperatures gasify the organics into a relatively clean syngas after particulate and acid gas removal. The yield is increased above that expected from the feedstock by the addition of waste effluents from the synthesis process, such as CO2, H2O and possibly tail gas constituents. The recycled effluents are heated by the syngas being quenched in heat exchangers. Excess high pressure effluents are also heated by the syngas for power generation via gas or steam turbine generators. The optimum concentration of added effluents and heat exchanger configurations are determined by novel methods for maximum yield, energy efficiency and minimum carbon footprint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.