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Alkaline earth improving agent prepared by using monosodium glutamate production waste liquid, and preparation method thereof

A technology of waste liquid and improver, applied in chemical instruments and methods, applications, soil conditioning materials, etc., can solve the problem of low nutrient content of biochar, and achieve the effects of sufficient raw materials, neutralizing soil alkalinity, and improving utilization rate

Inactive Publication Date: 2014-06-18
SHENYANG INST OF APPL ECOLOGY CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the method of soil improvement using biochar to make fertilizer, some technical approaches for agricultural use of biochar are provided, but the nutrient content of biochar itself is low, and its use as a soil improver or conditioner alone has certain limitations, and practical application needs to be done. Improve

Method used

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  • Alkaline earth improving agent prepared by using monosodium glutamate production waste liquid, and preparation method thereof
  • Alkaline earth improving agent prepared by using monosodium glutamate production waste liquid, and preparation method thereof
  • Alkaline earth improving agent prepared by using monosodium glutamate production waste liquid, and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The composition of the alkaline soil modifier using monosodium glutamate to produce waste liquid is based on the weight ratio of dry matter: 35 parts of monosodium glutamate waste liquid, 25 parts of biochar, 15 parts of lignite, 20 parts of fly ash, and 5 parts of diatomite. Mix the biochar, lignite, fly ash through 50 mesh, and diatomite through 50 mesh according to the ratio, and mix them uniformly by machinery, and add them to the monosodium glutamate with a solid content of 25% by weight after concentration. solution, mixed evenly, the mixture was air-dried to a water content of 10% (weight), passed through a 5-mesh sieve, mixed evenly, and then packaged to obtain an alkaline soil modifier.

Embodiment 2～9

[0030] The difference from Example 1 is that: the ratio of raw materials is different (Table 1), and the specific preparation method is the same as that of Example 1.

[0031] Table 1

[0032]

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Abstract

The invention relates to a treatment technology of an industrial waste, and specifically relates to an alkaline earth improving agent prepared by using monosodium glutamate production waste liquid, and a preparation method thereof. According to dry substance weight ratio, the improving agent comprises 30-40 parts of monosodium glutamate waste fluid, 20-30 parts of biological carbon, 15-20 parts of lignite, 5-10 parts of fly ash, and 15-20 parts of diatomite. The preparation method comprises the steps that: according to the dry substance weight ratio, biological carbon, lignite, fly ash, and diatomite are well mixed; the mixture is added into concentrated monosodium glutamate waste fluid; and the mixture is well mixed, dried in air, sieved, well mixed, and packaged, such that finished products are obtained. The technology is environment-friendly and simple, and the cost is low. The soil improving agent is mainly used in mildly or moderately alkaline earth farmlands. The improving agent can be used independently, and can be mixed with a chemical fertilizer for applying.

Description

technical field [0001] The invention relates to industrial waste treatment technology, in particular to an alkaline soil modifier prepared from waste liquid produced by monosodium glutamate and a preparation method thereof. Background technique [0002] Using biological fermentation technology to synthesize glutamic acid to produce monosodium glutamate, the corresponding nitrogen, potassium chloride, potassium dihydrogen phosphate, magnesium sulfate, zinc sulfate, manganese sulfate, iron sulfate, and borax must be added to the fermentation broth. All these nutrients are left The waste liquid also contains organic matter such as residual sugar and bacterial cells. The chemical oxygen demand (COD) of the high-concentration waste liquid generated in the ion exchange process cr ) is 30,000~45,000mg / L, biochemical oxygen demand (BOD 5 ) is 20,000~25,000mg / L, the total suspended solids (SS) is 10,000~15,000mg / L, NH 3 -N content is 10,000~15,000mg / L, SO 4 2- The content is 40,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K17/40C09K101/00
Inventor 张玉革姜勇董怡华
Owner SHENYANG INST OF APPL ECOLOGY CHINESE ACAD OF SCI
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