Any purge method should be repeated as often as required to be certain a flammable mixture cannot be formed upon introducing hydrogen or air to the system.
任何净化方法都应该尽量多重复几次，直到确定在把氢或空气引入系统时不会形成可燃混合物为止。
A brief description is given of the process of recovery of hydrogen from ammonia purge gas by the pressure swing adsorption technology and the results obtained.
简述了采用变压吸附技术从合成氨弛放气中回收氢气的工艺过程及取得的效益。
Compared with other hydrogen extraction processes the double ammonia synthesis process for purge gas treated with liquid ammonia absorption is a simpler process with low operation energy consumption.
液氨吸收法弛放气二次氨合成工艺流程较之其他提氢流程，工艺简单，操作能耗低。
Compared with other hydrogen extraction processes the double ammonia synthesis process for purge gas treated with liquid ammonia absorption is a simpler process with low operation energy consumption.
液氨吸收法弛放气二次氨合成工艺流程较之其他提氢流程，工艺简单，操作能耗低。
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