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Softening behaviour of brown coal ashes. Influence of ash components and gas atmosphere

Abstract

The softening behaviour of brown coal ashes during gasification is important for three reasons: (1) Formation of large agglomerates, (2) inactivation of catalytically active ash components, (3) encapsulation of parts of the coal. The softening behaviour of the ashes was studied with a high temperature dilatometer at ambient pressure in various atmospheres (air, CO{sub 2}, Ar/H{sub 2}O, Ar, H{sub 2}/H{sub 2}O, H{sub 2}) using a push-rod with a conical tip. The heating rate was 5 Kmin{sup -1}, the final temperature 1000deg C, the residence time 1 h. (orig.).
Authors:
Hegermann, R; Huettinger, K J [1] 
  1. Karlsruhe Univ. (T.H.) (Germany, F.R.). Inst. fuer Chemische Technik
Publication Date:
Mar 01, 1990
Product Type:
Journal Article
Reference Number:
DE-90-005983; EDB-90-083851
Resource Relation:
Journal Name: Erdoel und Kohle, Erdgas, Petrochemie; (Germany, F.R.); Journal Volume: 43:3
Subject:
01 COAL, LIGNITE, AND PEAT; ASHES; BEHAVIOR; CHEMICAL COMPOSITION; BROWN COAL; AIR; ARGON; CARBON DIOXIDE; DIAGRAMS; HYDROGEN; SINTERING; TEMPERATURE DEPENDENCE; CARBON COMPOUNDS; CARBON OXIDES; CARBONACEOUS MATERIALS; CHALCOGENIDES; COAL; ELEMENTS; ENERGY SOURCES; FABRICATION; FLUIDS; FOSSIL FUELS; FUELS; GASES; MATERIALS; NONMETALS; OXIDES; OXYGEN COMPOUNDS; RARE GASES; RESIDUES; 010800* - Coal, Lignite, & Peat- Waste Management
OSTI ID:
7158952
Country of Origin:
Germany
Language:
English
Other Identifying Numbers:
Journal ID: ISSN 0014-0058; CODEN: EKEPA; Other: CNN: BMFT 0326528 A3
Submitting Site:
DE
Size:
Pages: 118-119
Announcement Date:
Jun 15, 1990

Citation Formats

Hegermann, R, and Huettinger, K J. Softening behaviour of brown coal ashes. Influence of ash components and gas atmosphere. Germany: N. p., 1990. Web.
Hegermann, R, & Huettinger, K J. Softening behaviour of brown coal ashes. Influence of ash components and gas atmosphere. Germany.
Hegermann, R, and Huettinger, K J. 1990. "Softening behaviour of brown coal ashes. Influence of ash components and gas atmosphere." Germany.
@misc{etde_7158952,
title = {Softening behaviour of brown coal ashes. Influence of ash components and gas atmosphere}
author = {Hegermann, R, and Huettinger, K J}
abstractNote = {The softening behaviour of brown coal ashes during gasification is important for three reasons: (1) Formation of large agglomerates, (2) inactivation of catalytically active ash components, (3) encapsulation of parts of the coal. The softening behaviour of the ashes was studied with a high temperature dilatometer at ambient pressure in various atmospheres (air, CO{sub 2}, Ar/H{sub 2}O, Ar, H{sub 2}/H{sub 2}O, H{sub 2}) using a push-rod with a conical tip. The heating rate was 5 Kmin{sup -1}, the final temperature 1000deg C, the residence time 1 h. (orig.).}
journal = {Erdoel und Kohle, Erdgas, Petrochemie; (Germany, F.R.)}
volume = {43:3}
journal type = {AC}
place = {Germany}
year = {1990}
month = {Mar}
}