| 摘要 |
<p>PURPOSE:To obtain good quality gypsum contg. n o CaSO3 by converting a CaSO3contg. slurry formed in a wet flue gas desulfurization process into a satd. gypsum soln. in an oxidation zone; crystallizing gypsum in a crystallization zone; and separating it from a CaSO3-contg. light slurry.</p> |
