| 摘要 |
<p>Gypsum-containing waste material(s) and flue-gas desulfurization gypsum is mixed with water to obtain an aqueous suspension. The aqueous suspension is heated and the gypsum-containing waste material(s) and flue-gas desulfurization gypsum are reacted. alpha -Calcium sulfate hemihydrate is separated from the suspension, or the suspension is fed for production of gypsum board or gypsum fiber board.</p> |
