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Method to produce combustible gas with low tar content out of biomass. Foerfarande foer att ur biomassa framstaella en tjaerfattig braennbar gas

Patent:

Abstract

The gas is led in a controlled flow to a vertical reactor shaft with a circulating fluidized bed containing dispersed calcined limestone. The biomass is pyrolyzed by means of the reactor heat in order to produce tarry gas and charcoal. While the gas flows upward in the reactor shaft the tar is gasified in a heterogeneous catalytic reaction with limestone. Charcoal and limestone are separated from the gas at the top of the reactor shaft and brought back to the fluidized bed for combustion. (L.F.).
Authors:
Publication Date:
Jan 11, 1988
Product Type:
Patent
Report Number:
SE 453097; B
Reference Number:
NORD-88-007296; EDB-88-176720
Resource Relation:
Patent File Date: Filed date 12 Oct 1985; Other Information: SE patent application 8405113-5
Subject:
09 BIOMASS FUELS; BIOMASS; PYROLYSIS; TAR; GASIFICATION; CHARCOAL; COMBUSTION; FLUIDIZED BEDS; FUEL GAS; ADSORBENTS; CHEMICAL REACTIONS; DECOMPOSITION; ENERGY SOURCES; FLUIDS; FUELS; GAS FUELS; GASES; ORGANIC COMPOUNDS; OTHER ORGANIC COMPOUNDS; OXIDATION; RENEWABLE ENERGY SOURCES; THERMOCHEMICAL PROCESSES; 090122* - Hydrocarbon Fuels- Preparation from Wastes or Biomass- (1976-1989); 140504 - Solar Energy Conversion- Biomass Production & Conversion- (-1989)
OSTI ID:
7055887
Country of Origin:
Sweden
Language:
Swedish
Availability:
Available from: Swedish Patent Office, Pat. Dok., Box 5055, S-102 42 Stockholm (SE).
Submitting Site:
SWD
Size:
Pages: 8
Announcement Date:

Patent:

Citation Formats

Lindman, N. Method to produce combustible gas with low tar content out of biomass. Foerfarande foer att ur biomassa framstaella en tjaerfattig braennbar gas. Sweden: N. p., 1988. Web.
Lindman, N. Method to produce combustible gas with low tar content out of biomass. Foerfarande foer att ur biomassa framstaella en tjaerfattig braennbar gas. Sweden.
Lindman, N. 1988. "Method to produce combustible gas with low tar content out of biomass. Foerfarande foer att ur biomassa framstaella en tjaerfattig braennbar gas." Sweden.
@misc{etde_7055887,
title = {Method to produce combustible gas with low tar content out of biomass. Foerfarande foer att ur biomassa framstaella en tjaerfattig braennbar gas}
author = {Lindman, N}
abstractNote = {The gas is led in a controlled flow to a vertical reactor shaft with a circulating fluidized bed containing dispersed calcined limestone. The biomass is pyrolyzed by means of the reactor heat in order to produce tarry gas and charcoal. While the gas flows upward in the reactor shaft the tar is gasified in a heterogeneous catalytic reaction with limestone. Charcoal and limestone are separated from the gas at the top of the reactor shaft and brought back to the fluidized bed for combustion. (L.F.).}
place = {Sweden}
year = {1988}
month = {Jan}
}