Process for separating methylisobutanone synthesized from acetone

A technology for the separation of methyl isobutyl ketone and its separation method, which is applied in the separation field of synthesizing methyl isobutyl ketone from acetone, can solve the problems of high consumption of raw material acetone, and achieve the effects of improving competitiveness, reducing production costs, and reducing consumption

Active Publication Date: 2007-04-25
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0025] The object of the present invention is to, for the acetone in the 2-methylpentane/acetone azeotrope in the prior art is not recycled, causes the problem that raw ma

Method used

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  • Process for separating methylisobutanone synthesized from acetone
  • Process for separating methylisobutanone synthesized from acetone

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Experimental program
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Effect test

Embodiment 1

[0037] The flow adopted in the embodiment is the flow introduced in the second scheme.

[0038] 1, the situation of the raw material used in embodiment

[0039] Table 1 is composed of raw materials sent from the reaction system to the separation system.

[0040] Table 1 Raw material composition

[0041] name

Composition, wt%

h 2 o

5.76

2-MPA

0.35

AC

63.04

MIBK

29.00

DAA

0.25

DIBK

1.10

TMB

0.50

[0042] 2. Introduction to the process

[0043] The material coming from the reaction system first enters the 2-methylpentane tower 1,2-methylpentane and acetone are azeotroped, and the 2-methylpentane is steamed from the top of the tower in the form of an azeotrope (column 1 under normal pressure The azeotrope theoretical composition is 56wt% 2-methylpentane and 44wt% acetone; in experimental operation, the azeotrope composition is 25wt% 2-met...

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Abstract

The invention discloses a separating method of methyl isobutyl ketone synthesized by acetone, which is characterized by the following: increasing acetone extracting and recycling step based on four-tower flow path; recycling acetone in the 2-methyl pantane/acetone azeotropic material; reducing the consumption of acetone and manufacturing cost; improving product competitive power and economic benefit.

Description

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Claims

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Application Information

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Owner CHINA PETROLEUM & CHEM CORP
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