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99/02357 Studies on the progressive extraction and depolymerisation of coal macerals

Publisher
Elsevier Science
Year
1999
Weight
191 KB
Volume
40
Category
Article
ISSN
0140-6701

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โœฆ Synopsis

01 Solid fuels (preparation)

Comparable deformation and pressure changes were identified for both models. It is suggested that both the physical and the mathematical models grinding ball is twice as good and corrosion resistance is improved by 29can be applied to investigation of the precursor phenomena of rock burst. 57%. The grinding ball's wear and corrosion loss was as low as I61 g/toncoal. 99102357

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In Japanese) In this method, the fly ash is treated by adding of an oxidizing acid to the ash and heating the mixture at >lOO"C to decompose the dioxane. The fly ash may be extracted with water or HCI before the oxidation treatment. Platinum or palladium may be used as catalyst for the oxidation and