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Shaft furnace gasification with regard to cogeneration. Partial report no. 1: Catalytic cracking of tar in synthesis gas. Bench-scale tests with hydro cracking catalysts; Skaktovnsforgasning med henblik paa kraftvarmeproduktion. Delrapport nr. 1: Katalytisk krakning af tjaere i syntesegas. Laboratorieforsoeg med hydrokraknings-katalysatorer

Technical Report:

Abstract

The purpose of the gas cleaning project is to define the necessary parameters in order to implement decentral, straw-fueled combined heat/power plants with gas cleaning, based on tar cracking.Four catalyst systems for tar decomposition into gaseous components have been tested according to a new gas cleaning method. The catalysts have been tested in temperature interval 350 - 600 deg.C. The cleaning process was carried out under atmospheric pressure. The composition of gas to be cleaned simulated the typical gasification product of straw/air mixture: 12 % hydrogen, 12% carbon oxide, 16 % carbon dioxide, 20 % water vapor, 40 % nitrogen, and 0.03 % hydrogen sulfide. Phenol was added to water in concentration corresponding to 10 g/Nm{sup 3} wet synthesis gas, as this tar component is the most difficult to convert. The catalysts tested were: nickel-molybdenum on alumina, nickel-tungsten on alumina, nickel-tungsten on silica-alumina and palladium on alumina support. Characteristics of these catalysts in form of graphs and numerical values are given. (EG)
Authors:
Publication Date:
Nov 01, 1989
Product Type:
Technical Report
Report Number:
NEI-DK-1804
Reference Number:
SCA: 090900; 100200; 091000; PA: DK-95:001093; EDB-95:020255; SN: 95001320398
Resource Relation:
Other Information: DN: EFP-88; PBD: Nov 1989
Subject:
09 BIOMASS FUELS; 10 SYNTHETIC FUELS; TAR; CATALYTIC CRACKING; SYNTHESIS GAS; GASIFICATION; COGENERATION; CATALYSTS; DESIGN; TEMPERATURE RANGE 0400-1000 K; STRAW; CLEANING; AIR POLLUTION ABATEMENT; FURNACES; 090900; 100200; 091000; PROCESSING; PRODUCTION; PROPERTIES AND COMPOSITION
OSTI ID:
10110473
Research Organizations:
Jysk Teknologisk, Aarhus (Denmark)
Country of Origin:
Denmark
Language:
Danish
Other Identifying Numbers:
Other: ON: DE95737585; CNN: Contract EM-1383/88-3; TRN: DK9501093
Availability:
OSTI; NTIS
Submitting Site:
DK
Size:
41 p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Pedersen, K. Shaft furnace gasification with regard to cogeneration. Partial report no. 1: Catalytic cracking of tar in synthesis gas. Bench-scale tests with hydro cracking catalysts; Skaktovnsforgasning med henblik paa kraftvarmeproduktion. Delrapport nr. 1: Katalytisk krakning af tjaere i syntesegas. Laboratorieforsoeg med hydrokraknings-katalysatorer. Denmark: N. p., 1989. Web.
Pedersen, K. Shaft furnace gasification with regard to cogeneration. Partial report no. 1: Catalytic cracking of tar in synthesis gas. Bench-scale tests with hydro cracking catalysts; Skaktovnsforgasning med henblik paa kraftvarmeproduktion. Delrapport nr. 1: Katalytisk krakning af tjaere i syntesegas. Laboratorieforsoeg med hydrokraknings-katalysatorer. Denmark.
Pedersen, K. 1989. "Shaft furnace gasification with regard to cogeneration. Partial report no. 1: Catalytic cracking of tar in synthesis gas. Bench-scale tests with hydro cracking catalysts; Skaktovnsforgasning med henblik paa kraftvarmeproduktion. Delrapport nr. 1: Katalytisk krakning af tjaere i syntesegas. Laboratorieforsoeg med hydrokraknings-katalysatorer." Denmark.
@misc{etde_10110473,
title = {Shaft furnace gasification with regard to cogeneration. Partial report no. 1: Catalytic cracking of tar in synthesis gas. Bench-scale tests with hydro cracking catalysts; Skaktovnsforgasning med henblik paa kraftvarmeproduktion. Delrapport nr. 1: Katalytisk krakning af tjaere i syntesegas. Laboratorieforsoeg med hydrokraknings-katalysatorer}
author = {Pedersen, K}
abstractNote = {The purpose of the gas cleaning project is to define the necessary parameters in order to implement decentral, straw-fueled combined heat/power plants with gas cleaning, based on tar cracking.Four catalyst systems for tar decomposition into gaseous components have been tested according to a new gas cleaning method. The catalysts have been tested in temperature interval 350 - 600 deg.C. The cleaning process was carried out under atmospheric pressure. The composition of gas to be cleaned simulated the typical gasification product of straw/air mixture: 12 % hydrogen, 12% carbon oxide, 16 % carbon dioxide, 20 % water vapor, 40 % nitrogen, and 0.03 % hydrogen sulfide. Phenol was added to water in concentration corresponding to 10 g/Nm{sup 3} wet synthesis gas, as this tar component is the most difficult to convert. The catalysts tested were: nickel-molybdenum on alumina, nickel-tungsten on alumina, nickel-tungsten on silica-alumina and palladium on alumina support. Characteristics of these catalysts in form of graphs and numerical values are given. (EG)}
place = {Denmark}
year = {1989}
month = {Nov}
}