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A method for controlling xanthan gum production sewage

A technology for producing sewage and xanthan gum, which is applied in biological water/sewage treatment, chemical instruments and methods, neutralization water/sewage treatment, etc., can solve problems such as a large amount of heat, reduce operating costs, improve treated water quality, and be good The effect of the degradation effect

Active Publication Date: 2016-02-24
内蒙古阜丰生物科技有限公司
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Xanthan gum can be thermally degraded with oxidizing substances at high temperature, but this method requires a lot of heat

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A method for controlling xanthan gum production sewage, characterized in that:

[0027] (1) First pass the xanthan gum wastewater through the grid to remove large suspended matter, and then lift it to the primary settling tank through the lift pump, and enter the regulating tank after being cooled by the cooling tower in the primary settling tank;

[0028] (2) Adjust the pH of the xanthan gum wastewater in the adjustment pool to 6.0-7.0, enter the sewage treatment system, add biological agents for advanced treatment, and then discharge it up to the standard.

[0029] The biological preparation is prepared by mixing a carrier and a composite microbial agent according to a weight ratio of 2:1, the carrier is chitosan, and the composite microbial agent is prepared from the following raw materials by weight:

[0030] Actinomycetes 10 parts, Aspergillus niger 10 parts, Bacillus subtilis 8 parts, Saccharomyces cerevisiae 7 parts, Bacillus megaterium 5 parts, denitrifying bact...

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Abstract

The invention relates to a method for treating sewage produced by xanthan gum. The steps are: firstly pass the xanthan gum wastewater through a grid to remove large suspended matter, then lift it to a primary sedimentation tank through a lift pump, and cool it in the primary sedimentation tank The cooling of the tower enters the adjustment tank; then the xanthan gum wastewater in the adjustment tank is adjusted to pH6.0-7.0, enters the sewage treatment system, and is discharged after advanced treatment with biological agents. The process of the invention is economical, environment-friendly, low in price, strong in operability and broad in application prospect.

Description

technical field [0001] The invention relates to the field of wastewater treatment in the biological fermentation industry, and specifically provides a method for treating xanthan gum production wastewater. Background technique [0002] Xanthan gum (xanthangum) is a neutral water-soluble polysaccharide secreted from Xanthomonas campestris NRRL B21459 discovered by Northern Regional Research Laboratories (NRRL) of the US Department of Agriculture in the 1950s, also known as xanthan gum. . It is a microbial extracellular heteropolysaccharide composed of glucose, mannose and glucuronic acid in a molar ratio of 218:2:2. Its "pentasaccharide repeat unit" main chain consists of two D-glucose molecules via β-1 , connected by 4 glycosidic bonds, has a cellulose-like skeleton structure, and a carbon bond in every 2 glucose is connected with a trisaccharide side chain composed of 2 mannans and 1 glucuronic acid. The unique molecular structure of xanthan gum endows it with many excell...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14C02F3/34
CPCC02F1/52C02F1/66C02F3/341C02F9/00C02F2101/34C02F2103/36C02F2301/08
Inventor 王均成张传森宋玉丽刘海涛王伟陆秀香
Owner 内蒙古阜丰生物科技有限公司
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