Pandey, R A and Raman, V K and Bodkhe, S Y and Handa,, B K and Bal, A S (2005) Microbial desulphurization of coal containing pyritic sulphur in a continuously operated bench scale coal slurry reactor. Fuel , 84. pp. 81-87.

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Abstract

Pre-combustion microbial desulphurization of coal containing total sulphur (3.90%) and pyritic sulphur (2.80%) has been evaluated in a coal slurry reactor. The coal slurry reactor operated at hydraulic retention time (HRT) of 96 h with a coal pulp density of 15 percent and remove 79 percent of pyritic sulphur and 76 percent of ash with an increase in the calorific value of coal from 4400 to 6800 kcal kgK1 at a pyritic load of 1.9 kg pyritic sulphur kgK1 MLSS dK1. The treated coal yield is 72 percent. The biochemical kinetic coefficients, viz. yield coefficient (Y) and decay coefficient (Kd) in the coal slurry reactor system are 0.178 and 0.007 dK1, respectively, while maximum growth rate (mmax) and half saturation rate constant (Ks) are 0.025 hK1 and 0.220 g lK1 as pyrite, respectively.

Item Type:	Article
Subjects:	Environmental Biotechnology
Divisions:	UNSPECIFIED
Depositing User:	Users 4 not found.
Date Deposited:	15 Feb 2012 10:11
Last Modified:	15 Feb 2012 10:28
URI:	http://neeri.csircentral.net/id/eprint/91

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