Membrane method extraction system and membrane method extraction process for alanine production

An extraction system and alanine technology, applied in the field of alanine production membrane extraction system and its extraction process, can solve the problems of unsatisfactory treatment adsorption effect, restriction of alanine quality, low product yield, etc., to achieve High-efficiency use and maintenance, convenient maintenance, and the effect of reducing production costs

Inactive Publication Date: 2014-07-23
HEFEI XINDA MEMBRANE TECH
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  • Description
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  • Application Information

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Problems solved by technology

At present, the production of alanine is basically produced by enzymatic conversion method. When alanine is produced by fermentation method, the fermentation liquid contains a large amount of bacteria, protein, pigment, various ions, salt, etc., which seriously restricts the production of alanine finished product. If the original plate and frame filter and activated carbon are used for adsorption and decolorization, the cost is high, the product yield is low, and the adsorption effect is not ideal

Method used

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  • Membrane method extraction system and membrane method extraction process for alanine production

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] 1) 3000kg of alanine fermented liquid with a content of 10% is pumped into the filter by a feeding pump for pre-filtering to filter out larger particles of impurities;

[0023] 2) Pass the pretreated 2982kg alanine fermentation liquid into the organic ultrafiltration membrane system, the operating pressure is within 5bar, and the operating temperature is within 50°C. After the filter pretreatment, the alanine fermentation liquid enters the organic ultrafiltration membrane system. In the membrane filtration system, 245kg of pure water is added during the dialysis process to continue the dialysis through the circulation pump to remove impurities such as bacteria, colonies, mycelia, insoluble proteins and soluble macromolecular proteins, and obtain 2837kg of organic ultrafiltration liquid;

[0024] 3) Transport 2837kg of organic ultrafiltration membrane filtrate to the organic decolorization membrane system by a booster pump, filter at an operating temperature of 45°C and a...

Embodiment 2

[0027] 1) 2500kg of alanine fermented liquid with a content of 9% is pumped into the filter by a feed pump for pre-filtration to filter out larger particles of impurities;

[0028] 2) Pass the pretreated 2450kg alanine fermentation liquid into the organic ultrafiltration membrane system, the operating pressure is within 3bar, and the operating temperature is within 50°C. After the filter pretreatment, the alanine fermentation liquid enters the organic ultrafiltration membrane system. In the membrane filtration system, 200kg of pure water is added during the dialysis process to continue the dialysis through the circulation pump to remove impurities such as bacteria, colonies, mycelia, insoluble proteins and soluble macromolecular proteins, and obtain 2528kg of organic ultrafiltration liquid;

[0029] 3) Transport 2528kg of organic ultrafiltration membrane filtrate to the organic decolorization membrane system by a booster pump, filter at an operating temperature of 45°C and an o...

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Abstract

The invention discloses a membrane method extraction process for alanine production. A membrane method extraction system for the alanine production comprises a circulating tank, an organic ultrafiltration membrane system, an organic decolorizing membrane system, a filter, a cleaning tank, a material feeding pump, a circulating pump, a booster pump and a pipeline valve system. A pressure gauge, a thermometer, a level gauge and a flow meter are arranged in the overall extraction system, so that the safe and stable operation of the system is monitored and protected constantly; organic ultrafiltration membrane and organic decolorizing membrane combination process production equipment is applied to subsequent sterilization and cleaning processes of alanine fermentation broth so as to monitor and protect the safe and stable operation of the system constantly. The membrane method extraction process is a combination membrane production process which can be used safely and effectively for a long time and is convenient to maintain; the alanine fermentation broth completely meets market requirements after being processed by the membrane method combination production process; meanwhile, the using cost of activated carbon is greatly reduced; the production cost is reduced; direct and obvious economic benefits are brought to enterprises.

Description

technical field [0001] The alanine extraction process of the present invention particularly relates to an alanine production membrane method extraction system and an extraction process thereof. Background technique [0002] At present, there are two kinds of amino acid production processes: enzymatic conversion and fermentation. Among them, the cost of amino acid production by enzymatic conversion is relatively high, while the cost of amino acid production by fermentation is relatively low. With the continuous development and maturity of fermentation technology, amino acid production is more and more favored and respected by manufacturers. At present, the production of alanine is basically produced by enzymatic conversion method. When alanine is produced by fermentation method, the fermentation liquid contains a large amount of bacteria, protein, pigment, various ions, salt, etc., which seriously restricts the production of alanine finished product. If the original plate-an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D61/58C07C229/08C07C227/40
Inventor 陈传云梁远争
Owner HEFEI XINDA MEMBRANE TECH
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