| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 03.00 |
| PATENT ASSIGNEE | UOP |
| PATENT CLAIMS |
Process for sepn 1,3-butadiene from mixt contg butanes, butenes, butadienes & acetylenes - Introducing H, solvent & crude C4 stream to title distn unit having a reaction zone contg a catalyst capable of hydroge nating acetylenes to distill an overhead stream contg buta nes & butenes from an extract stream contg solvent & buta dienes with concurrent hydrogenation of acetylenes - Introducing the extract stream to solvent stripping column to distill solvent bottoms stream from a butadiene overhead stream & - Introducing the butadiene overhead stream to a butadiene distn column to distill a 1,3-butadiene overhead stream from a 1,2-butadiene bottoms stream |
| PATENT PHOTOCOPY | Available on request |
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