RESEARCH PAPERS: Additional Technical Papers

A New Method for Testing the Flow of Frozen Coal

[+] Author and Article Information
M. Nikanjam

Union Carbide Corporation, Bound Brook, New Jersey

J. Eng. Ind 106(1), 89-92 (Feb 01, 1984) (4 pages) doi:10.1115/1.3185916 History: Received July 01, 1983; Online July 30, 2009


A new test has been developed and successfully employed to evaluate the performance of coal freeze-conditioning agents. The new procedure involves the design of a new shear cell which can be used with the standard flow factor tester used for powders. Coal samples at two moisture levels, 10 percent and 6.5 percent, at a subfreezing temperature, −14°C, with four conditioning agents, were evaluated. Results indicated that Union Carbide’s WINTER-FLO 103 Coal Aid was the most effective freeze-conditioning agent available. An inexpensive portable tester has been developed based on this new method. Such a tester will be capable of predicting the degree of coal flowability in the field.

Copyright © 1984 by ASME
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