油蒸气过滤器可以安置在再生式干燥器的前端，但后冷却器也能减少油蒸气的量，从而延长干燥剂的使用寿命。
Oil filter can be placed in steam regenerative dryer, but the front after cooler can also reduce the amount of oil steam and prolong the service life of the molecule.
水解液中和过滤后，用离子交换色谱分离与冷冻干燥得到唾液酸产品。
The solid sialic acid was obtained by lyophilization after counteraction, filtration and separation using ion exchange chromatography.
分析了鹤矿集团南山选煤厂将浮选精煤圆盘真空过滤机脱水改为加压过滤机脱水后的优点，论述了最终撤消干燥系统的可行性。
The advantage of replacing disk vacuum filter with stressed filter in Nanshan Coal Preparation Plant was analysed, and the feasibility of repealing desiccation system was discussed in this paper.
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