发明名称 |
ABSORBER DEMETHANIZER FOR FCC PROCESS |
摘要 |
<p>A process for recovering ethylene is disclosed, the process including: recovering a ethylene-containing stream comprising methane, ethylene, and nitrogen oxides from at least one of an ethylene production process and an ethylene recovery process; separating the ethylene-containing stream via extractive distillation using at least one C2+ hydrocarbon absorbent to produce an overheads fraction comprising methane and nitrogen oxides and a bottoms fraction comprising the at least one C2+ hydrocarbon absorbent and ethylene; wherein the separating comprises operating the extractive distillation at temperatures and pressures sufficient to prevent any substantial conversion of nitrogen oxides to N203.</p> |
申请公布号 |
SG190853(A1) |
申请公布日期 |
2013.07.31 |
申请号 |
SG20130039235 |
申请日期 |
2011.10.21 |
申请人 |
LUMMUS TECHNOLOGY INC. |
发明人 |
STANLEY, STEPHEN, J.;DE HAAN, STEPHEN;KUZMA, PETER, DANIEL, JR. |
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