A Review of Effective Utilization of Waste Phosphogypsum as a Building Material

The phosphogypsum (factory.Over 6 million tons of PG is produced per annum in India and poses various environmental and storage problems. Out of these some quantities are utilized for of production of ammonium sulphate and few for other uses, there is accumulated stock of PG) is the industrial waste by-product produced in various industries like fertilizer industry, phosphate ore, phosphoric chemical more than 10 million metric tons of PG at various plant sites. This paper covers the literature review of effective and economical utilization of PG as building material in the various ways. The phosphate industry has been searching different ways of reducing the size of PG stacks. Researchers have also been seeking new application areas for PG use as studies have indicated that it would be more environmentally sound to use by-products rather than to dump them. In today' world, there is an ever increasing demand for construction due to population expansion and shortage of building materials. Utilization of industrial waste such as phosphogypsum not only solves environmental problems but also provides a new resource for construction industry.