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The iron sponge process, a technology used for removing hydrogen sulphide (H 2 S) from biogas, can potentially use various biodegradable wastes as the supporting material for the H 2 S adsorption media, providing improved flexibility and cost-effectiveness. In this study, ground garden waste, digested garden waste, and spent tobacco were evaluated as supporting materials of the H ...
Sulphuric acid is commonly used in acid scrubbers as a highly efficient ammonia trap and results in the production of ammonium sulphate. The disposal of the large amount of effluent produced from an acid scrubber is one of the major issues that limit its application. Two reverse osmosis membranes were tested for their effectiveness in concentrating the ammoniacal nitrogen, which can be used as a fertiliser,...
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