Abstract—In Japan, the total generation of biomass waste is
300 million tons annually, and the shortage of the final disposal
site is a problem. Therefore, new use of agricultural waste is
required. A representative gas for odor damage is hydrogen
sulphide gas. In this study, removal capacity of agricultural
wastes for low concentration hydrogen sulphide gas was
examined to use as hydrogen sulphide gas absorbent.
Adsorption experiments on hydrogen sulphide gas (500 ppm)
using peanut shell, rice straw, rice husk, and commercial
charcoal were carried out. Experimental results showed that
the adsorption amount of charcoal was 2335 mg/g, while those
of agricultural wastes are very low (rice husk: 27 mg/g, peanut
shell: 22 mg/g, rice straw: 18 mg/g). By pyrolyzing peanut shell,
the H2S gas adsorption of peanuts shell promote with increasing
pyrolysis temperature due to the high specific surface area, and
its adsorption amount of the product pyrolyzed at 600 oC is
about 65% of charcoal.
Index Terms—Biomass waste, H2S gas removal, pyrolysis,
specific surface area.
T. Wajima is with the Development of Urban Environment Systems,
Chiba University, Japan (e-mail: wajima@tu.chiba-u.ac.jp).
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Cite: T. Wajima, "Removal of Hydrogen Sulphide Gas Using Agricultural Wastes," International Journal of Chemical Engineering
and Applications vol. 11, no. 2, pp. 63-66, 2020.
