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98/00141 The process of utilization of organic waste by method of hard coal coking

Publisher
Elsevier Science
Year
1998
Weight
205 KB
Volume
39
Category
Article
ISSN
0140-6701

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โœฆ Synopsis

In Japanese) Coal briquettes are manufactured with this mixing-heating apparatus. It includes a spiral vane positioned on the outer surface of rotation shaft for mixing raw materials along guideways of axial direction and a heating method for heating the raw materials. Heating is done inside the rotation shaft by passing the heating medium through a hollow pipe and injection nozzles installed on the rotation shaft. The injection nozzles of the heating medium are adjacently fitted along the axial direction of non-guiding surface of the vane and the direction of nozzle injection is positioned towards the moving direction of the shaft.

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Datong coal has high flotability and Illinois coal has low flotability. They were used to study flotability with respect to evaluation of the critical wetting surface tension (yc) of each coal particle. When the flotability of coal particles having the same yc value was compared between Datong and I