Butane → Sec-Butylbenzene

HRID 573521

反応式

HRID 573521 の反応式
[CH3:1]/[CH:2]=[CH:3]\[CH3:4].[CH3:5]/[CH:6]=[CH:7]/[CH3:8].[CH2:9]=[C:10](C)C.C=CC=C.C=CCC.CCCC>C1C=CC=CC=1>[CH:2]([C:6]1[CH:5]=[CH:10][CH:9]=[CH:8][CH:7]=1)([CH2:3][CH3:4])[CH3:1]

参加物

8

反応物 6

HCID 7843ButaneHCID 78441-ButeneHCID 78451,3-ButadieneHCID 8255IsobutyleneHCID 62695trans-2-BUTENEHCID 5287573cis-2-BUTENE

生成物 1

HCID 8680Sec-Butylbenzene

試薬・触媒・溶媒 1

HCID 241Benzene溶媒

実験手順

A 1.0 gram sample of the MCM-22 catalyst (65 wt % MCM-22/35% alumina binder) from Example 1 was used for the alkylation of benzene with Raffinate-2 type feed. The Raffinate-2 type feed was a synthetic blend with the following weight composition: 53.43% cis-butene, 41.29% trans-butene, 4.54% isobutene, 0.48% butadiene, 0.09% 1-butene, 0.09% n-butane, and 0.1% others. The catalyst was in the form of a 1.6 mm ( 1/16 inch) diameter cylindrical extrudate and was diluted with sand to 3 cc and loaded into an isothermal, down-flow, fixed-bed, tubular reactor having an outside diameter of 4.76 mm ( 3/16 inch). The catalyst was dried at 150° C. and 1 atm with 100 cc/min flowing nitrogen for 2 hours. The nitrogen was turned off and benzene was fed to the reactor at 60 cc/hr until reactor pressure reached the desired 2068 kPag (300 psig). Benzene flow was then reduced to 7.63 cc/hr (6.67 WHSV) and Raffinate-2 type feed was introduced from a syringe pump at 2.57 cc/hr (1.6 WHSV). The reactor temperature was adjusted to 160° C. Feed benzene/butene molar ratio was maintained at 3:1 for the entire run. Liquid product was collected in a cold-trap and analyzed off line. Butene conversion was determined by measuring unreacted butene relative to feed butene. The catalyst was on stream for 6 days at 1.6 WHSV of butene with 98% 2-butene conversion, 1 day at 4.8 WHSV with 80% conversion, 1 day at 7.2 WHSV with 62% conversion, and followed by 4 days again at 1.6 WHSV with 97% conversion. Representative data are shown in Table 6. Relative activity of MCM-22 based on first-order butene conversion was 0.5.

後処理

  1. additionwas diluted with sand to 3 cc
  2. customdown-flow, fixed-bed, tubular reactor having
  3. customThe catalyst was dried at 150° C.
  4. customfor 2 hours
  5. custombenzene was fed to the reactor at 60 cc/hr until reactor
  6. additionwas introduced from a syringe pump at 2.57 cc/hr (1.6 WHSV)
  7. customwas adjusted to 160° C
  8. temperatureFeed benzene/butene molar ratio was maintained at 3:1 for the entire run
  9. customLiquid product was collected in a cold-trap
  10. waitfollowed by 4 days again at 1.6 WHSV with 97% conversion

出典と根拠

ORDレコード
ord-4958fc6fa24f42c9926c9f4d4a1ec5be
出典データセット
uspto-grants-2015_05
特許番号
US09029621B2

関連ノート

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