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Environmental-protecting process for fermenting glutamic acid

A glutamic acid and new process technology, applied in the new environmental protection process of glutamic acid fermentation, can solve the problems of high capital and difficulty in reducing the production cost of glutamic acid, etc., to reduce raw material costs, save sewage treatment costs, and simple process Effect

Inactive Publication Date: 2007-09-05
LINGHUA GROUP INCORPORATED COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, enterprises have to pay a lot of water for ingredients; on the other hand, they have to invest a lot of money in sewage treatment, and it is difficult to reduce the production cost of glutamic acid

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1: (during batching, the condensed water that reclaims cooperates common use of primary water)

[0023] raw material:

[0024] Glucose solution 27000kg rice milk 120kg molasses 36kg

[0025] Na 2 HPO 4 96kg MgSO 4 33.5kg KCL 48kg

[0026] MnSO 4 10kg

[0027] Wherein, the concentration of glucose solution is 30%; the concentration of corn steep liquor is 45%.

[0028] Process steps:

[0029] 1. Collect the condensed water of the secondary steam generated during the four-effect concentration process of the fermentation process into the condensed water collection tank for standby;

[0030] 2. Fermentation ingredients: condensed water 15M 3 with fresh water 3M 3 Pour into the batching tank, put glucose solution, corn steep liquor, molasses, and inorganic salts into the batching tank according to the above raw material formula, stir and mix evenly, and then lead to liquid ammonia to adjust the pH value;

[0031] 3. At 121°C, the mixed solution is co...

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PUM

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Abstract

Fermentation of glutamic acid is characterized by producing secondary steam condensate water during of recovery fermentative-liquid concentration process. It's cheap, saves water and has environmental pollution.

Description

technical field [0001] The invention relates to a glutamic acid production technology, in particular to a novel environmentally friendly glutamic acid fermentation process. Background technique [0002] At present, glutamic acid is mainly fermented from sugar liquid, inorganic salts, corn steep liquor and molasses. The fermentation process needs to use a large amount of primary water for batching, and the water consumption is huge. However, due to the high content of ammonia nitrogen in the condensed water produced by the concentration of fermentation broth, direct discharge will cause environmental pollution, so it must be treated by biological methods before discharge. On the one hand, enterprises have to pay a lot of water for ingredients; on the other hand, they have to invest a lot of money in sewage treatment, and it is difficult to reduce the production cost of glutamic acid. Contents of the invention [0003] Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P13/14
Inventor 杨玉岭岳希金满德恩赵保国王玉政李高卫
Owner LINGHUA GROUP INCORPORATED COMPANY
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