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1. (WO2013122491) A METHOD FOR HIGH-TEMPERATURE UTILIZATION OF PHOSPHOGYPSUM

Pub. No.:    WO/2013/122491    International Application No.:    PCT/PL2013/000019
Publication Date: Fri Aug 23 01:59:59 CEST 2013 International Filing Date: Sat Feb 16 00:59:59 CET 2013
IPC: C04B 18/02
Applicants: LSA SP. Z.O.O.
Inventors: SOKOŁOWSKI, Janusz
Title: A METHOD FOR HIGH-TEMPERATURE UTILIZATION OF PHOSPHOGYPSUM
Abstract:
This invention relates to a method for high temperature utilization of phosphogypsum wherein phosphogypsum or phosphogypsum along with power plant ashes in an amount from 2 to 75% par weight relative to the total dry mass of the materials, and a ground fuel are agglomerated and then the produced granulated material is sintered in a rotary furnace at a temperature 1000 - 1150°C, the agglomeration step being a wet process with added to the mixture of dry raw materials and/or originating from wet raw materials.