Recycle of nitroxyl-containing streams at low temperature

Details Recycle of nitroxyl-containing streams at low temperature Recycle of nitroxyl-containing streams at low temperature

C - Chemistry, Metallurgy

07

C

C07C 7/20 (2006.01) C07B 63/04 (2006.01) C07C 7/04 (2006.01) C07C 15/46 (2006.01) C09K 15/30 (2006.01)

Patent

CA 2417147

An improved process for the production and purification of unsaturated monomers employing nitroxyl-containing inhibitors wherein process streams containing the inhibitor are recycled is disclosed, wherein the improvement comprises recycling said streams at a reboiler temperature no higher than about 110 ~C.

L'invention concerne un procédé amélioré de production et de purification de monomères insaturés utilisant des inhibiteurs contenant du nitroxyle, au cours duquel les courants contenant les inhibiteurs sont recyclés. L'amélioration consiste à recycler lesdits courants à une température de rebouilleur n'excédant pas environ 110 ·C.

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