The residual dyes from different sources (e.g., textile industries, paper and pulp industries, dye and dye intermediates industries, pharmaceutical industries, tannery, and Kraft bleaching industries, etc.) are considered a wide variety of organic pollutants introduced into the natural water resources or wastewater treatment systems. One of the main sources with severe pollution problems worldw...

This study focused on the diversity of bacterial communities from two series of two-stage constructed wetlands (CWs) treating tannery wastewater, under different hydraulic conditions. Series were separately planted with Typha latifolia and Phragmites australis in expanded clay aggregates and operated for 31 months. The effect of plant species, hydraulic loading and unit stage on bacterial commu...

BIOLOGICAL SULFATE REDUCTION IN SULFATE-RICH INDUSTRIAL WASTEWATERS BY ANAEROBIC FLUIDIZED-BED REACTORS: EFFECTS OF ELECTRON DONORS High sulfate wastewaters are a major problem in industry because they increase the total dissolved solid content, and interfere with methanogenesis resulting in decrease in production of methane, which is a valuable fuel. A large variety of industries including: pu...

The present study was designed to investigate the effect of industrial pollution on the physical and mental health of the tannery workers as well as the related residential area’s people of Hagaribag in Dhaka city. One hundred and sixty (80 tannery workers and 80 residential area’s people) respondents were selected by purposive sampling method as samples for the present study. Three hypotheses ...

Sugar industry is an oldest accommodates industry in the world. It required and discharges a large amount of water for processing. Removal of chemical oxygen demand and color through the electrochemical process including hybrid iron and aluminum electrode was examined for the treatment of cane-based sugar industry wastewater. Most favorable condition at pH 6.5, inter-electrode gap 20 mm, curren...

A study was conducted on a group of employees from tannery industries in Telangana state were tested for comet tail lengths that are well established as indicators of early biological effects. To investigate whether occupational exposure to chromium is genotoxic, a total of 92 workers and 80 control groups of individuals in the age group of 16 to 65 years and 6-30 yrs of chromium exposure were ...