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Process for producing lysine by soaking water of maize

A technology of corn soaking water and lysine, applied in the direction of fermentation, etc., can solve the problems of lysine shortage, increase of production cost, economic pressure burden of production enterprises, etc., achieve the increase of acid production rate and sugar-acid conversion rate, ease The pressure of sewage treatment and the effect of saving sewage treatment costs

Inactive Publication Date: 2006-12-20
SHANDONG XIWANG SUGAR
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Problems solved by technology

[0014] At present, the domestic lysine market is relatively short, which mainly includes three reasons. First, due to the improvement of people's living standards and food nutrition needs, as well as the improvement of the technical level and quality requirements of feed industry products, the market demand for lysine is greatly promoted. Second, due to the high investment in lysine production equipment and huge supporting equipment, which cost hundreds of millions of yuan, the construction progress of new projects is limited; third, the price of agricultural and sideline products in the market has risen, especially the price of soybean meal has doubled, increasing the The production cost has caused economic pressure and burden to the production enterprises, and restricted the growth rate of domestic lysine production

Method used

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Examples

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Embodiment Construction

[0045] The implementation mode and excellent effect of the present invention are introduced by taking a production device with an annual output of 60,000 tons of lysine as an example.

[0046] Bacteria: Brevibacterium flavum

[0047] Bacteria culture: slant seed culture - first-level seed culture - second-level seed culture

[0048] Fermentation Medium Components:

[0049] Glucose: 15 (percentage by weight, the same below)

[0050] Soybean meal hydrolyzate: 2

[0051] Corn Soaking Water: 2

[0052] Ammonium sulfate: 3.5

[0053] Dipotassium hydrogen phosphate: 0.1

[0054] Magnesium sulfate: 0.05

[0055] pH: 7.0

[0056] Fermentation tank: form vertical volume 300m 3

[0057] Acid production rate: 14%

[0058] Sugar acid conversion rate: 45%

[0059] The product meets all the indicators of the national standard for L-lysine GB 8245-87.

[0060]Compared with the existing known methods, using corn soaking water instead of soybean meal hydrolyzate to prepare fermenta...

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Abstract

The invention discloses a producing method lysine through soaping maize, which is characterized by the following: adopting maize soaping solution instead of soy hydrolysate to produce lysine; reducing raw material cost and mating equipment investment; alleviating pressure of effluent disposal in the maize synthetic manufacturing procedure.

Description

Technical field: [0001] The invention belongs to the field of comprehensive utilization of corn deep processing and relates to a production method of amino acid. Specifically, it is a method for preparing fermentation medium to produce lysine with corn soaking water. Background technique: [0002] my country is a large agricultural country with rich resources of agricultural products. The total output and commodity volume of major agricultural products rank among the top in the world. Therefore, deep processing of agricultural products is a promising industry. [0003] Corn is one of the most important food crops grown by humans, accounting for about a quarter of the world's total food crop production. Corn is also the main food crop variety in my country, and its total output is second only to rice and wheat, ranking second in the world. Its comprehensive processing is an economic field waiting to be developed urgently. [0004] Corn has the advantages of fast maturity, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P13/08
Inventor 王勇王亮李伟王岩
Owner SHANDONG XIWANG SUGAR
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