... contaminants in fcc off-gases as well as a review of methods for their removal using advanced catalysts and adsorbents is shown. 2. Different schemes of ethylene purification and recovery from fcc off-gases by the low-temperature separation, adsorption and absorption are presented. 3. The absorption technology is recommended by comparison as the most effective one in terms of capital and operating costs. Conclusions The use of absorption technology for fcc off-gases separation can provide ethylene with ...

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