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Method for preparing alkylate oil by adopting microchannel reactor

A micro-channel reactor, alkylated oil technology, applied in chemical instruments and methods, chemical/physical/physical-chemical reactors, petroleum industry, etc. The equipment is serious, the corrosion resistance is excellent, and the effect of reducing the generation of waste acid

Inactive Publication Date: 2017-07-18
CHANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] So far, there has not been a continuous flow of C in a Corning microchannel 4 Study on Alkylation Production Method of Alkylate Oil

Method used

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  • Method for preparing alkylate oil by adopting microchannel reactor
  • Method for preparing alkylate oil by adopting microchannel reactor
  • Method for preparing alkylate oil by adopting microchannel reactor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] (1) Device used: Corning high-throughput microchannel reactor (Corning straight channel module + Corning heart-shaped channel module), refer to image 3 Determine the connection mode of the microchannel reactor, the number of mixed reaction modules is determined according to the flow rate and reaction residence time, and the heat transfer medium is heat transfer oil.

[0036] (2) the flow control alkene mol ratio=9:1 of setting each metering pump 4, pump 5, pump 6, acid-hydrocarbon mol ratio: 0.8:1, the mass flow rate of control isobutane is 40g / min; The mass flow rate of alkene is 2g / min; the volume flow rate of sulfuric acid with a mass concentration of 93% is controlled to be 60ml / min. The three streams of materials are injected into each straight channel preheating module respectively, and the temperature of the heat exchanger is set at 3 °C; mix. The mixed raw materials enter the heart-shaped mixing module 12 of the lower group, and react after being mixed with c...

Embodiment 2

[0039] (1) Device used: Corning high-throughput microchannel reactor (Corning straight channel module + Corning heart-shaped channel module), refer to image 3 Determine the connection mode of the microchannel reactor, the number of mixed reaction modules is determined according to the flow rate and reaction residence time, and the heat transfer medium is heat transfer oil.

[0040] (2) flow control alkene mol ratio=10:1 of each metering pump 4, pump 5, pump 6, acid hydrocarbon mol ratio: 0.9:1, the mass flow rate of control isobutane is 42g / min; The mass flow rate of alkene is 3g / min; the volume flow rate of sulfuric acid with a mass concentration of 93% is controlled to be 65ml / min. The three streams of materials are injected into each straight channel preheating module respectively, and the temperature of the heat exchanger is set at 4°C; mix. The mixed raw materials enter the heart-shaped mixing module 12 of the lower group, and react after being mixed with concentrated ...

Embodiment 3

[0043] (1) Device used: Corning high-throughput microchannel reactor (Corning straight channel module + Corning heart-shaped channel module), refer to image 3 Determine the connection mode of the microchannel reactor, the number of mixed reaction modules is determined according to the flow rate and reaction residence time, and the heat transfer medium is heat transfer oil.

[0044] (2) the flow control alkene mol ratio=12:1 of each metering pump 4, pump 5, pump 6, acid hydrocarbon mol ratio: 1:1, the mass flow rate of control isobutane is 45g / min; The mass flow rate of alkene is 3g / min; the volume flow rate of sulfuric acid with a mass concentration of 95% is controlled to be 65ml / min. The three streams of materials are injected into each straight channel preheating module respectively, and the temperature of the heat exchanger is set at 4°C; mix. The mixed raw materials enter the heart-shaped mixing module 12 of the lower group, and react after being mixed with concentrate...

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Abstract

The invention relates to a method for preparing alkylate oil by adopting a microchannel reactor and belongs to the technical field of organic synthesis application. The method is a new technology for synthesizing alkylate oil by taking C4 alkane (isobutane) and C4 olefin (1-butene) as raw materials and sulfuric acid as a catalyst in a Corning microchannel reactor and carrying out C4 alkylation reaction in short reaction time from few tens of seconds to a few minutes in the microchannel reactor. Materials are introduced into the Corning microchannel reactor by virtue of a metering pump, and preheating, mixing and alkylation reaction post treatment are carried out, so that the alkylate oil product is obtained. The method provided by the invention has the advantages that operation is simple and safe, the alkylate oil product is continuously produced with high yield, and environmental pollution of the technology is greatly reduced.

Description

technical field [0001] The invention belongs to the technical field of organic synthesis application, in particular to C 4 Alkanes, C 4 Olefins are used as raw materials, and sulfuric acid is used as a catalyst to carry out liquid-liquid heterogeneous catalytic condensation reaction in a microchannel reactor to synthesize alkylated oil products. More specifically, in a high-throughput continuous-flow microchannel reactor, the sulfuric acid method was used to catalyze the C 4 Alkylation reaction to synthesize C 8 Alkylation process. Background technique [0002] C 4 Alkylation technology is an important technology for the production of clean gasoline in the refining industry. C 4 The alkylation reaction is that isobutane reacts with C in the presence of a strong acid catalyst (sulfuric acid or hydrofluoric acid) 4 Alkenes (or C 3 ~C 5 Alkenes) react to produce alkylate. Alkylate oil is the reaction of isobutane in liquefied petroleum gas (LPG) with 1-butene, 2-buten...

Claims

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Application Information

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IPC IPC(8): C10G50/00B01J19/00
CPCC10G50/00B01J19/0093
Inventor 李骁张跃刘李杨莹邱琳卿青刘建武袁卿凯邸俊华石一洲陈迦钰
Owner CHANGZHOU UNIV
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