Reverse osmosis (RO) with polyamide membrane of spiral wound and precipitation with commercial sodium carbonate were studied to remove hazardous substances [chromium(III), sulfate, chloride and sodium] contained in a tanning wastewater. RO removed chromium(III) very efficiently (99.83%) and with lower but appreciable yields the other three constituents of liquid effluent. Major inconvenience of RO was fast decrease of permeate flux due to insufficient transmembrane pressure used. In turn, 99.71% of chromium(III) was separated with precipitation.

Special task force tea-ms of the Pollution Co-ntrol Board inspected 23 hospitals on Tuesday in Hyderabad. Ninety-six hospitals with 100 beds or more have been targeted for inspection this week.

The textile dyeing and washing industry plays an important role in the economical growth as well as the environmental sectors of Bangladesh. The textile dyeing industries has been condemned as being one of the world’s most offenders in terms of pollution. There are many dyeing industries in Bangladesh which are mainly located at Gazipur and Narayanganj industrial area. This study was aimed at the dyeing industries to assess the present situation of environmental impacts arising from the activities of dyeing industries in Bangladesh.

Tirupur, the textile knitwear hub of India discharges about 100 MLD of dyestuff effluents with high salt content and multi colored effluents from as early as 1990s. It flanks and pollutes the Noyyal river course rendering it as a virtual effluent course as rainfall is hardly for 15 days only in a year.

Punjab Pollution Control Board (PPCB) Chairman K S Pannu in a press statement on Sunday claimed that following the stringent directions by the board that came with warnings of strict action in case

A laboratory scale hybrid-UASB reactor was used for the treatment of sugar industry waste water fabricated from acrylic pipe of 100 mm external diameter and 90 mm internal diameter.

Raids conducted by the Punjab Pollution Control Board (PPCB) on 68 electroplating industries in Jalandhar and Ludhiana have found 42 of them flouting norms that make it mandatory for industries to

CAG says Coal India also lagging in corporate social responsibility and effluent treatment

Treatment of Karnaphuli Paper Mills effluent was carried out by coagulation precipitation method.

Following the commissioning of Tertiary treatment plant at IOCL, Haldia, Doshion Limited has changed the outlook of the petrochem industry towards waste water management. One of its kind in the world, this plant recycles waste water to feed high pressure boiler thus nullifying the myth that waste can't be as good as fresh. Doshion Veolia executed terminal tertiary treatment plant using DMF, ultrafiltration, reverse osmosis and mixed bed deionization.