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1概述氮氢膜分离技术是当今世界竞相发展的一项进行气体分离的高新技术。它主要用于从合成氨放空气中回收氢气，来增产合成氨或回收浓度在98％以上的工业氢气，再用来生产附加值更高的加氢产品。采用氮氢膜分离技术后，企业的原料气消耗和生产成本都降低很多，因此，该项高新技
1 Overview Nitrogen and hydrogen membrane separation technology is competing in today’s world to develop a high-tech gas separation. It is mainly used to recover hydrogen from synthetic ammonia bleed air to increase ammonia production or to recover industrial hydrogen with a concentration of more than 98% for the production of higher value added hydrogenation products. Nitrogen hydrogen membrane separation technology, the company’s feed gas consumption and production costs are reduced significantly, therefore, the high-tech