Ammonia and sulfuric acid (SO3) in and the reaction liquid after vacuum evaporation, concentration, crystallization, and then to liquid-solid separation processes obtained dry product.
氨水与硫酸(SO3)进行中和反应，反应液经过真空蒸发、浓缩、结晶，再进行液固分离、干燥等工序制得产品。
Widely used in chemical industry, food, building materials, and other departments, especially in a vacuum crystallization, drying, filtration, evaporation and other processes in the more appropriate.
广泛应用于化工，食品，建材等部门，特别是在真空结晶，干燥，过滤，蒸发等工艺过程中更为适宜。
Such as: vacuum distillation, evaporation, dehydration, crystallization, drying and other processes.
如：真空蒸馏、蒸发、脱水、结晶、干燥等工艺过程中。
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