International Journal of Environment (ISSN: 2186-0009)  


Estimation and Environmental Effect of Tannery Effluent from Wet Salted Goat Skin in Beam House Operations: Bangladesh Perspective
Md. Abul Hashem, Md. Samsul Arefin, and Marjjuk Ahmed
Abstract:
The paper has focused on the estimation of solid and liquid wastes and its environmental effect discharging in beam house operations specifically from the process of wet salted goat skin. The paper is done based on laboratory test data and literature sources including scientific journals and reference books. The solid and liquid wastes are estimated yearly 945 MT and 176 million litres, respectively from wet salted goat skin during the beam house operations in Bangladesh. It seems that huge amounts of solid and liquid wastes are produced during the beam house operations. The solid wastes are the raw trimmings and fleshings of skin. The liquid wastes are contained high suspended solids (SS) and dissolved solids (DS), high (pH>12) or extremely low pH (2.7), high chemical oxygen demand (COD) and biological oxygen demand (BOD) which has adverse effect in aquatic life as well as on the environment. During beam house operations various toxic gases including chlorine (Cl2), hydrogen sulphide (H2S), sulphur dioxide (SO2), ammonia (NH3), etc. are generated and without filtering merged to atmosphere. The solid wastes are kept in the open area nearby roadside which produces pungent gaseous substances by the microbial action causes public health hazards.
Download in PDF