Now the hot topic of the study of Flue Gas Desulfurizationis about the wet process, the semidry process, the desiccated process.

目前烟气脱硫研究的热点是湿法、半干法和干法。

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Taking corn starches as raw material, sodium tripolyphosphate as esterifying agent and carbamide as catalyst, high-viscosity phosphate starch is prepared by semidry process.

以玉米淀粉为原材料、三聚磷酸钠为酯化剂、碳酰二胺为催化剂，半干法制备了高粘度磷酸酯淀粉。

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