Betaine synthesis device and method

A technology of betaine and solution, which is applied in the fields of plant growth regulator, medicine, cosmetics, feed, and food. It can solve the problems of the impact on the purity of the final product, the difficulty of comprehensive utilization, and the by-product glycolic acid, so as to improve product profits and competition. The effect of improving the utilization rate of power and process raw materials and high purity of the solution

Inactive Publication Date: 2019-01-04
宜兴市天石饲料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This process has the following disadvantages: 1) the by-product sodium chloride generated in the synthesis process, currently various chemical reactions produce by-product sodium chloride, the added value is low, the comprehensive utilization is difficult, and resources are wasted; 2) in the synthesis process, due to chlorine Acetic acid is hydrolyzed to form glycolic acid under alkaline conditions. During the addition of sodium carbonate, the local pH of the solution is too high, which easily forms a by-product glycolic acid, which affects the purity of the final product; 3) the synthesis of betaine in the prior art adopts batch reaction , the product yield is low, and the conversion rate is about 98.5%

Method used

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Examples

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Embodiment 1

[0032] First put solid chloroacetic acid into the chloroacetic persimmon neutralization tank, add raw material water, and then slowly add persimmon carbonate. The amount of water is 1.6 times the mass of chloroacetic acid, and the molar ratio of chloroacetic acid and persimmon carbonate is controlled to react in the water phase to produce chloroacetic persimmon at a molar ratio of 1.01:0.167. The pH of the reaction end point is controlled at 7.0, the temperature is controlled at 25°C, and the reaction time is controlled at 3 hours. . After the reaction is over, use the chloroacetic persimmon pump to transport the controlled flow of chloroacetic persimmon to the reaction tube of the quaternization reaction system. The reaction temperature is controlled at 40°C, the pH is controlled at 8.6, and the synthesis time is controlled at 2.5 hours. The reacted materials are pumped into the betaine solution tank, and the pH is 8.6 by controlling the flow rate of the incoming and outgoing...

Embodiment 2

[0034] The specific steps of this example are consistent with Example 1, the difference is that this example uses chloroacetic acid with a molar ratio of 1.015:0.167 to react with persimmon carbonate in the water phase to generate chloroacetic persimmon, the pH is controlled at 7.1, and the temperature is controlled at 30 ℃; persimmon chloroacetate with a molar ratio of 1.0:0.335 and trimethylamine were synthesized by quaternization, the synthesis reaction temperature was controlled at 51 °C, the pH was controlled at 9.5, and the synthesis time was 3 hours.

Embodiment 3

[0036] The specific steps of this embodiment are consistent with those of Example 1, except that the present embodiment 3 uses chloroacetic acid with a molar ratio of 1.02:0.167 to react with persimmon carbonate in the water phase to generate chloroacetic persimmon, the pH is controlled at 7.2, and the temperature is controlled at 35°C; persimmon chloroacetate with a molar ratio of 1.0:0.34 and trimethylamine were synthesized by quaternization, the synthesis reaction temperature was controlled at 51°C, the pH was controlled at 9.0, and the synthesis time was 2.8 hours.

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Abstract

The invention discloses a betaine synthesis device and method, and relates to a preparation method of an additive product. The device comprises a reaction tube, a quaternization kettle, an amination liquid circulating pump and a betaine solution storage tank which are sequentially communicated through a pipeline, chloroacetic acid persimmon and trimethylamine feeding pipelines are arranged on thereaction tube, the amination liquid circulating pump is connected with a condenser through a circulating pipeline and then connected into a reactor, a PH (potential of hydrogen) meter is mounted on the circulating pipeline and performs continuous detection to control the feed quantity of an inlet and outlet system, materials react in the reactor and the reaction tube, the circulating pump performsforced circulation and cooling, and reaction heat of the system is removed. The device is high in use ratio, cerium chloride serving as a by-product is wide in application, can be used as a feed additive and can also serve as a raw material in the fields of medicines, military industries, fireworks and the like, products are high in additional value, the problem of formation of hydroxyacetic acidserving as a by-product in the production process is solved, and the yield and the purity of the product synthesis process are improved.

Description

technical field [0001] The invention belongs to the fields of medicine, cosmetics, food, feed, plant growth regulator, etc., and relates to a preparation method of an additive product, in particular to a device and a method for synthesizing betaine. Background technique [0002] Betaine is a trimethyl derivative of glycine, an alkaloid that widely exists in animals and plants, and exists in almost all animals and plants to varying degrees. Widely used in medicine, cosmetics, food, feed, plant growth regulator and other fields. In terms of cosmetics, it has a moisturizing effect; in medicine, it has a liver-protecting effect. In terms of food, the US FDA has approved betaine as a safe food additive and dietary nutrition enhancer (GRAS number 4223); betaine can improve the utilization rate of energy in food, improve Effective absorption and utilization of amino acids, while protecting the liver; more widely used in livestock, poultry and aquatic animals, can improve the energ...

Claims

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Application Information

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IPC IPC(8): C07C229/12C07C227/18C07C227/38C01F17/00
CPCC01F17/271C07C227/18C07C227/38C07C229/12
Inventor 王俊耀
Owner 宜兴市天石饲料有限公司
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