Influence of thermally treated phosphogypsum on the properties of Portland slag cement

MA Taher - Resources, Conservation and Recycling, 2007 - Elsevier
In this study, thermal treatment of phosphogypsum (PG) at different temperatures 200, 400,
600 and 800° C were attempted to purify PG and improve its quality to make it fit for the
manufacture of Portland slag cement (PSC). PG is a waste of phosphoric acid manufacturing
by dehydrate process in Egypt. It is a fine powder with high calcium sulphate content. This
waste causes various environmental problems when discharged directly to the environment.
The thermally treated PG was found to have lesser amount of impurities of phosphates …

Influence of thermally treated phosphogypsum on the properties of Portland slag cement

M TAHER - Al-Azhar Bulletin of Science, 2006 - journals.ekb.eg
In this study, thermal treatment of phosphogypsum (PG) at different temperatures
200,400,600 and 800 oC were attempted to purify PG and improve its quality to make it fit for
the manufacture of Portland slag cement (PSC). PG is a waste of phosphoric acid
manufacturing by dehydrate process in Egypt. It is a fine powder with high calcium sulphate
content. This waste causes various environmental problems when discharged directly to the
environment. The thermally treated PG was found to have lesser amount of impurities of …
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