JobSite Recycling: Gypsum Wallboard GreenBuildingAdvisor
Jul 21, 2011· In 2009, he said, power plants produced 18 million tons of synthetic gypsum (chemically identical to mined gypsum) but could get rid of only half of it. The result is a huge market surplus. In some cases, Weaver added, wallboard manufacturers have been able to get gypsum by paying only transportation costs, nothing for the actual raw material ...