The paper introduces the washing of subatomospheric pressure method according to the above problem. It is very effective in practice.
本文针对上述缺陷，提出“负压清洗法”，经实践证明，在生产中是行之有效的。
The operating conditions, such as pressure, recirculation rate, concentration ratio, temperature etc. have been optimized. The washing method of membrane is also studied in this paper.
对超滤的操作压力、膜面流速、浓缩比、温度等操作条件进行了研究，并对膜的清洗作了进一步研究。
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