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Guidelines for management, handling, utilisation and disposal of phosphogypsum generated from phosphoric acid plants

The Hazardous Waste (Management, Handling & Transboundary Movement) Rules, 2008 notified under the Environment (Protection) Act, 1986 excluded phosphogypsum from hazardous waste category under Schedule-I and stipulates that the management of phosphogypsum from phosphoric acid fertiliser plants shall be carried out in accordance with the guidelines of Central Pollution Control Board (CPCB). In view of the above, this guideline has been prepared to address the overall aspects of phosphogypsum handling, storage and disposal including its utilisation. The report also covers present scenario with regard to the generation of phosphogypsum from fertiliser units, existing management and handling practices followed by the phosphoric acid plants in the Country as well as in other parts of the World. The report also deals with the guidelines to be followed for safe handling, transportation, storage of phosphogypsum within the phosphoric acid plants, safe disposal of phosphogypsum through stacking, end use of phosphogypsum for beneficial use that may be encouraged in order to solve the problems associated with the disposal of phosphogypsum.

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