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Process for converting coal to gaseous fuel with production of Portland cement as a by-product

Patent ·
OSTI ID:5678702
A continuous process is disclosed for converting coal to gaseous fuel with production of Portland cement as a by-product. It comprises the step of pelletizing a mixture of finely divided coal and limestone, heating (coking) the pellets in a reducing gas atmosphere to liberate volatile fuel products, and converting a substantial proportion of the residual carbon in the pellets to CO and and hydrogen by the water-gas reaction, the inorganic constituents of the coal being simultaneously converted to Portland cement clinkers.
Assignee:
University of Illinois Foundation
Patent Number(s):
US 4396432
OSTI ID:
5678702
Country of Publication:
United States
Language:
English

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Related Subjects

01 COAL, LIGNITE, AND PEAT
010401* -- Coal & Coal Products-- Carbonization-- (-1987)
010500 -- Coal
Lignite
& Peat-- Products & By-Products
BUILDING MATERIALS
CARBONACEOUS MATERIALS
CARBONIZATION
CEMENTS
CHEMICAL REACTIONS
COAL
COAL GASIFICATION
COKING
DECOMPOSITION
ENERGY SOURCES
FOSSIL FUELS
FUEL PELLETS
FUELS
GASIFICATION
MATERIALS
PELLETS
PORTLAND CEMENT
PRODUCTION
THERMOCHEMICAL PROCESSES