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.

Calcutta, Nov.

New Delhi: Reacting to a TOI report on the conflict of interest of Central Pollution Control Board chairman, environment and forests minister Jayanthi Natarajan has said she will inquire into the f

New Delhi: Chairman of the Central Pollution Control Board S P Gautam sold a patent he held privately on a technology to the apex authority on a revenue sharing basis and then passed a directive in

Urgency Clause Invoked To Develop Leather City

The Supreme Court on Tuesday quashed Uttar Pradesh government’s notification for land acquisition of three villages of Ghaziabad after the villagers approached court against setting up of a ‘leathe

The Supreme Court has set aside the Uttar Pradesh government’s notifications for acquiring land in Ghaziabad for leather industry.

Chairman, Pakistan Tanners Association (PTA) (SZ), Aziz Ahmed has urged the government to revamp livestock policy in consultation with leather and leather garments exporters.

He pleaded that either livestock exports should be banned totally or imposed 20 percent cess on their exports in order to save export-oriented sectors, especially leather and leather garments, footwear, leather gloves and

Environment Ministry

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