PERFORMANCE STUDY OF BIOWISH TREATMENT TECHNOLOGY FOR REDUCTION OF EMISSION OF ODOURS IN SOLID WASTE

Abstract

During processing and disposal of solid waste, there is production of odorous gases which is one of the major
issue faced in Solid Waste Management. There are threat to not only living animals but also the landmass facility as well
as natural flora and fauna. Major gases responsible for causing odour from a solid waste are hydrogen sulphide and
ammonia. A study has been performed on municipal, commercial and institutional solid waste for the decreasing rate of
production of odorous gases when they are microbially treated using Biowish technology. Two gases are chosen for
analysis which is ammonia (NH3) and hydrogen sulphide (H2S). Emission concentrations of these gases were measured
initially at different temperatures ranging from 28±20C to 36±20C without applying Biowish chemical. Later, Biowish
chemical was sprinkled on those solid wastes by dissolving in water at different concentrations and concentration of
ammonia and hydrogen sulphide measured. Analysis shows that there was considerable reduction in strength of
ammonia and hydrogen sulphide when Biowish chemical was applied in higher doses and at higher temperature. In some
cases it was reduced to even zero also