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Solid-liquid reaction separation intermittent type ionic liquid production device

An ionic liquid, solid-liquid reaction technology, applied in organic chemistry and other directions, to achieve the effect of solving high energy consumption

Inactive Publication Date: 2016-02-10
默尼化工科技(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Nowadays, there is no such intermittent ionic liquid production device: it integrates the functions of solid-liquid or liquid-liquid mixing enhancement, reaction and temperature control, solid-liquid or liquid-liquid separation, and product purification; it uses static mixers and circulating materials to Achieve mixing enhancement; it is suitable for heterogeneous mixing, reaction, separation, and purification of solid-liquid and liquid-liquid materials; it uses a thin-film evaporator to realize the purification process

Method used

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  • Solid-liquid reaction separation intermittent type ionic liquid production device

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Effect test

Embodiment 1

[0021] Embodiment 1. A solid-liquid reaction separation batch type ionic liquid production device.

[0022] A solid-liquid reaction separation batch type ionic liquid production device, such as figure 1 As shown, including feed pipeline (S01), stirred reactor (M01), back-mixing circulation pump (P01), static mixer (M02), heat exchanger (H01), reactant material flow direction cut-off valve (V01 ), solid-liquid material flow cut-off valve (V02), solid-liquid separator (F01), liquid-liquid separator (F02), liquid material flow cut-off valve (V03), product tank (C01), product purification circulation pump ( P02), thin film evaporator (T01).

[0023] The stirred reactor (M01) is used as a place for solid-liquid or liquid-liquid mixing, back mixing and reaction.

[0024] The back-mixing circulation pump (P01) is a centrifugal pump, which is used to provide circulation power for solid-liquid or liquid-liquid mixing enhancement.

[0025] The static mixer (M02) is used to strengthen...

Embodiment 2

[0036] Example 2, using a solid-liquid reaction separation batch-type ionic liquid production device of the present invention in combination with Example 1 to produce 1-butyl-3-methylimidazolium dizinc chloride ([C4MIm]Zn2Cl5).

[0037] Raw material A: 1-butyl-3-methylimidazolium chloride salt, 150mol;

[0038] Raw material B: zinc chloride, 305mol;

[0039] Mixed reaction: fully mixed at room temperature, heated up to 100°C for 48 hours, back-mixed circulation pump (P01) with 0.5m 3 / h flow cycle;

[0040] Solid-liquid separation: filter the unreacted zinc chloride solid to obtain 1-butyl-3-methylimidazolium chloride dizinc salt ([C4MIm]Zn2Cl5);

[0041] Production effect: the purity of 1-butyl-3-methylimidazolium dizinc chloride ([C4MIm]Zn2Cl5) is 99.3%.

Embodiment 3

[0042] Example 3, using a solid-liquid reaction separation batch ionic liquid production device of the present invention in combination with Example 1 to produce 1-hexyl-3-methylimidazolium ferric chloride ([C6MIm]FeCl4).

[0043] Raw material A: 1-hexyl-3-methylimidazolium chloride salt, 200mol;

[0044] Raw material B: ferric chloride hexahydrate, 200mol;

[0045] Mixed reaction: step by step mixing, reaction at room temperature for 6 hours, back-mixing circulation pump (P01) with 0.8m 3 / h flow cycle;

[0046] Solid-liquid separation: filter the unreacted solid to obtain two liquid phases;

[0047] Liquid-liquid separation: remove the water phase to obtain the oil phase 1-hexyl-3-methylimidazolium ferric chloride ([C6MIm]FeCl4);

[0048] Product purification: use a thin film evaporator (T01) to distill under reduced pressure to remove residual water in the oil phase;

[0049] Production effect: the purity of 1-hexyl-3-methylimidazolium ferric chloride ([C6MIm]FeCl4) is ...

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Abstract

The invention relates to an intermittent type ionic liquid production device integrating the functions of solid-liquid or liquid-liquid mixing and reinforcement, reaction and temperature control, solid-liquid or liquid-liquid separation and product purification. The device mainly comprises a feed pipeline, a stirring type reaction kettle, a backmixing circulating pump, a static mixer, a heat exchanger, a reaction material flow direction switching and adjusting valve, a solid-liquid material flow direction switching and adjusting valve, a solid-liquid separator, a liquid-liquid separator, a liquid material flow direction switching and adjusting valve, a product tank, a product purification circulating pump and a thin film evaporator. By means of the device, the problems that solid-liquid or liquid-liquid heterogeneous mixing is difficult to achieve in the ionic liquid production process, a small amount of solvent in large-viscosity ionic liquid is hard to remove completely, and a traditional impurity removing process is high in energy consumption can be actually solved.

Description

technical field [0001] The invention relates to an ionic liquid production device, in particular to a solid-liquid reaction separation intermittent ionic liquid production device, which is a solid-liquid or liquid-liquid mixing enhancement, reaction and temperature control, solid-liquid or liquid-liquid separation, product The invention relates to an intermittent ionic liquid production device integrating purification functions, which belongs to the field of chemical industry. Background technique [0002] Salts composed of anions and cations with very different spatial sizes exist in a molten state at room temperature or low temperature, and such salts are called ionic liquids. Ionic liquids have many excellent properties, such as bulk conductivity, non-volatile, environmentally friendly, non-flammable, non-explosive, easy to recycle and reuse, and good solubility. It has a wide range of uses: it is used for the treatment of "three wastes" such as desulfurization, decarbon...

Claims

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Application Information

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IPC IPC(8): C07D233/58
CPCC07D233/58
Inventor 李玉岐董修言沈敬文童萌何健平何清
Owner 默尼化工科技(上海)有限公司
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