Process for Recovering Olefins from Manufacturing Operations
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United States of America Patent
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app pub date -
Nov 11, 2015
filing date -
May 27, 2015
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Abandoned
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Abstract
A process for treating an effluent gas stream arising from a manufacturing operation that produces an olefin or an olefin derivative. The process involves compressing the feed gas stream, which comprises an olefin, a paraffin, and a third gas, to produce a compressed stream, then cooling and condensing the compressed stream. The condensation step produces a liquid condensate and an uncondensed gas stream. The liquid condensate is then passed through a membrane separation step. The membrane separation of the condensate results in an olefin-enriched stream, which may be recycled for use within the manufacturing operation, and an olefin-depleted stream, which may be purged from the process.
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