Flue gas desulphurization gypsum (FGD) is a kind of industrial waste derived from the treatment of sulfur dioxide gas generated by power plants and oil refinery factories.

• 脱硫石膏是燃煤电厂、炼油厂等排放的二氧化硫采用脱硫净化工艺技术处理所得的一种工业废石膏。