Preparing method for Reso octanoic acid manganese

A technology of manganese rysocaprylic acid and rysocaprylic acid, which is applied in the field of organic compound preparation, can solve the problems of unfavorable enterprise development and improvement of economic benefits, difficulty in reducing production costs, and increasing crystallization equipment, so as to reduce operating costs, facilitate operation, The effect of saving equipment investment

Inactive Publication Date: 2017-03-22
TIANJIN CHEM REAGENT RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The common production method of manganese rexohylate is to utilize sodium rexohylate to react with manganese sulfate, and the product obtained is viscous, which is difficult to further process and difficult to purify. The problems in this type of preparation method: 1. In the further processing step, Repeated crystallization requires additional crystallization equipment, more equipment, complex production costs and high production costs, making it difficult to reduce production costs; 2. The purity of the finished product is low and there is a lot of dust, which makes it difficult for enterprises to produce in large quantities, which is not conducive to the development of enterprises and the improvement of economic benefits

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The preparation method of this granular rysooctoic acid manganese comprises the following steps:

[0022] 1. Salt-forming reaction steps

[0023] Into a 100-liter reactor with heating device, electric stirring, and thermometer, throw

[0024] Add 100 moles of rexohexanoic acid, 1500 moles of water, 65 moles of manganese sulfate, 20 moles of initiator, and heat at 70-80°C under stirring for 6 hours, stop heating, and the salt-forming reaction is completed.

[0025] 2. Crystallization, drying steps

[0026] The granular product obtained by centrifugation of crystallization is dried in a drying oven in a stainless steel drying sieve with upper and lower air permeability. After 24 hours, the obtained product was sieved to obtain a finished product with a content greater than 99%.

Embodiment 2

[0028] The preparation method of this granular rysooctoic acid manganese comprises the following steps:

[0029] 1. Salt-forming reaction steps

[0030] Add 100 moles of rexohexanoic acid, 1500 moles of water, 65 moles of manganese sulfate, and 30 moles of initiator in a 100-liter reactor with a heating device, electric stirring, and a thermometer. React under stirring for 6 hours, stop heating, and the salt-forming reaction is completed.

[0031] 2. Drying step

[0032] The granular product obtained by centrifugation of crystallization is dried in a drying oven in a stainless steel drying sieve with upper and lower air permeability. After 24 hours, the obtained product was sieved to obtain a finished product with a content greater than 99%.

Embodiment 3

[0034] The preparation method of this granular rysooctoic acid manganese comprises the following steps:

[0035] 1. Salt-forming reaction steps

[0036] Add 100 moles of rexohexanoic acid, 1500 moles of water, 65 moles of manganese sulfate, and 35 moles of initiator in a 100-liter reactor with a heating device, electric stirring, and a thermometer. React under stirring for 6 hours, stop heating, and the salt-forming reaction is completed.

[0037] 2. Drying step

[0038] The granular product obtained by centrifugation of crystallization is dried in a drying oven in a stainless steel drying sieve with upper and lower air permeability. After 24 hours, the obtained product was sieved to obtain a finished product with a product content greater than 99%.

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PUM

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Abstract

The invention relates to a preparing method for Reso octanoic acid manganese. The method comprises the steps of 1, salt forming reaction, wherein Reso octanoic acid, manganese sulfate, an initiator and water are put into a reactor, stirring is performed, and the reaction is heated to make carbon dioxide overflow and generate granular Reso octanoic acid manganese; 2, stoving, wherein the granular product obtained by crystalization and separation is put in an up-down ventilated drying sieve, stoving is performed, and the obtained product passes through the sieve to obtain the product. According to the preparing method for Reso octanoic acid manganese, the obtained granular product is easy to dry, reduces protection and devices, saves the equipment investment, and reduces the operation cost.

Description

technical field [0001] The invention belongs to the field of preparation of organic compounds, in particular to a simple and effective preparation method of manganese resooctanoate. Background technique [0002] Among the organic additives, as an effective manganese-boosting additive, rysooctoic acid manganese has attracted more and more attention and has broad application prospects. The usual production method of manganese rexohylate is to utilize sodium rexohylate to react with manganese sulfate, and the product obtained is viscous, which is difficult to further process and difficult to purify. The problems in this type of preparation method: 1. In the further processing step, Repeated crystallization requires additional crystallization equipment, a lot of equipment, complex production costs are high, and it is difficult to reduce production costs; 2. The purity of the finished product is low and there is a lot of dust, which makes it difficult for enterprises to produce i...

Claims

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Application Information

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IPC IPC(8): C07C65/05C07C51/41
CPCC07C51/412C07C65/05
Inventor 张富强
Owner TIANJIN CHEM REAGENT RES INST
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