3rd International conference on Advances in Civil Engineering (Papers Environment)

Abstract

ABSTRACT

Textile industry is one of the largest production sectors in Bangladesh. These industries use high

volume of water and large quantity of harmful chemical compounds throughout its operation and finally

dump this polluted water in nearby water bodies. In Chittagong, Karnafuli River is the victim of such

incident. This study is focused to find out the negative effects of textile wastewater on Karnafuli River.

The study took wastewater sample of five textile industries near Kalurghat Industrial Area and different

confluence points of river Karnafuli and analysed different water parameters including pH, BOD, COD,

TS, TSS, TDS, Total alkalinity, Chloride, Faecal coliform, Electrical conductivity. It also performs

heavy metal tests including Na, Ca, Mg, Mn, Zn, Cu, Pb, K and Cd. All the test results are compared

with few international standards along with the Bangladesh drinking & industrial effluent standards.

The comparison shows that the values of TDS & TSS in the river & the value of Turbidity in the

confluence points are much higher than the standard limit. The heavy metal test shows nothing

remarkable. The effects of high concentration of earlier mentioned parameters on human life and

aquatic life are also discussed in this study.