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提出了膜材料装置的成本新概念——成本渗透率。将膜分离过程的成本定义为成本渗透率和有效选择性的函数。作者从分析膜装置的费用得到了装置成本的渗透率和有效选择性等参数，并用于确定气体的膜分离过程的优化膜分离度和回收率。还从合成气中分离出ＣＯ，用大规模生产醋酸的实例来说明该方法的应用情况。
Proposed a new concept of cost of membrane material device - cost penetration rate. The cost of the membrane separation process is defined as a function of cost permeability and effective selectivity. The authors obtained parameters such as device cost penetration and effective selectivity from the cost analysis of the membrane device and used to determine the optimal membrane separation and recovery of the gas membrane separation process. CO is also separated from syngas and the use of this process is illustrated by the example of large-scale production of acetic acid.