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Ferrous malate production method

A ferrous malate and production method technology, which is applied in chemical instruments and methods, carboxylate preparation, carboxylate preparation, etc., can solve the problems of low production efficiency and poor product quality, and achieve the improvement of production efficiency and product quality , Reliable product performance, easy to summarize and accumulate effects

Inactive Publication Date: 2019-01-04
南京雪郎化工科技有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] The invention discloses a production method of ferrous malate to solve the problems of low production efficiency and poor product quality in the prior art

Method used

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  • Ferrous malate production method

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Effect test

Embodiment 1

[0022] Such as figure 1 Shown a kind of production method of ferrous malate, comprises the steps:

[0023] (1) Prepare the mother liquor: first mix sodium carbonate and deionized water at a ratio of 1:4 in the main reactor to prepare a sodium carbonate aqueous solution, and then heat the sodium carbonate aqueous solution to 30°C at a uniform rate within 5 minutes by irradiating. Then add malic acid to the sodium carbonate aqueous solution until the pH value of the solution in the main reactor reaches 5.0, then let the solution in the reactor stand and naturally cool to normal temperature to obtain the finished mother liquor and set aside;

[0024] (2) To configure the reaction solution, first pass inert gas into the auxiliary reactor to keep the pressure in the reactor constant at 0.9 times the standard atmospheric pressure, and the oxygen content in the reactor is lower than 2%, then solid ferrous lactate and deionized Water was added to the auxiliary reactor at a ratio of 1...

Embodiment 2

[0034] Such as figure 1 Shown a kind of production method of ferrous malate, comprises the steps:

[0035] (1) Prepare the mother liquor: first mix sodium carbonate and deionized water at a ratio of 1:8 in the main reactor to prepare a sodium carbonate aqueous solution, and then heat the sodium carbonate aqueous solution to 45°C at a uniform rate within 10 minutes by irradiating it. Then add malic acid to the sodium carbonate aqueous solution until the pH value of the solution in the main reactor reaches 6.5, then let the solution in the reactor stand and naturally cool to normal temperature to obtain the finished mother liquor and set aside;

[0036] (2) To configure the reaction solution, first pass inert gas into the auxiliary reactor to keep the pressure in the reactor constant at 1.3 times the standard atmospheric pressure, and the oxygen content in the reactor is lower than 2%, then solid ferrous lactate and deionized Water was added to the auxiliary reactor at a ratio ...

Embodiment 3

[0046] Such as figure 1 Shown, a kind of production method of ferrous malate comprises the steps:

[0047] (1) Prepare the mother liquor: first mix sodium carbonate and deionized water at a ratio of 1:6.5 in the main reactor to prepare a sodium carbonate aqueous solution, and then heat the sodium carbonate aqueous solution to 35°C at a uniform rate within 6.5 minutes by irradiating. Then add malic acid to the sodium carbonate aqueous solution until the pH value of the solution in the main reactor reaches 6, then let the solution in the reactor stand and naturally cool to normal temperature to obtain the finished mother liquor and set aside;

[0048] (2) To configure the reaction solution, first pass inert gas into the auxiliary reactor to keep the pressure in the reactor constant at 1 times the standard atmospheric pressure, and the oxygen content in the reactor is lower than 2%, and then the solid ferrous lactate and deionized Water was added to the auxiliary reactor at a ra...

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Abstract

The invention discloses a ferrous malate production method. The ferrous malate production method comprises the steps of preparation of mother liquor, preparation of reaction liquid, synthetic reacting, neutralizing preparation and purification. The synthesizing technology is simple and standard, the production technology and the production processes are easy to master, the product prepared by using the production method is reliable in performance and high in stability, and summarizing and accumulation of production experiences are facilitated; raw materials are easily produced, the productionprocesses are simple, the raw materials and the production process are low in toxicity and pollution and low in cost, compared with a traditional production technology, the production efficiency and the product quality are remarkably improved, and quick application and popularization of the ferrous malate product and technology are facilitated.

Description

technical field [0001] The invention belongs to the technical field of chemical industry, and in particular relates to a production method of ferrous malate. Background technique [0002] Ferrous malate is widely used in chemical industry, biomedicine, food and other fields, and its usage is huge and widely used. However, in the actual production and preparation process of ferrous malate products, there is currently a lack of specific products for ferrous malate. The production process of iron products is often produced by referring to the production process of similar products such as ferrous fumarate and ferrous gluconate. On the one hand, the current production process of ferrous malate products is relatively insufficient, and the production technology experience is insufficient. Effective communication, on the other hand, also caused great differences in product quality, production efficiency and production cost of ferrous malate products produced by different processes,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C51/41C07C59/245
CPCC07C51/412C07C59/245
Inventor 李云政张磊
Owner 南京雪郎化工科技有限公司
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