Method for preparing soil conditioner from molasses alcohol waste liquor

A technology of molasses alcohol waste liquid and soil improver, which is applied in the direction of microorganism-based methods, soil conditioning materials, chemical instruments and methods, etc., can solve problems such as eutrophication, suffocation of aquatic organisms, and pollute the environment, and achieve environmental protection, The effect of fertilizing the soil and promoting sustainable development

Active Publication Date: 2015-03-25
SUGARCANE RES INST GUANGXI ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Discharge into water will pollute the environment, cause eutrophication, and may suffocate aquatic organisms due to high chemical oxygen demand (COD) and biological oxygen demand (BOD)

Method used

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  • Method for preparing soil conditioner from molasses alcohol waste liquor
  • Method for preparing soil conditioner from molasses alcohol waste liquor
  • Method for preparing soil conditioner from molasses alcohol waste liquor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] (1) Concentrate the molasses alcohol waste liquid to contain 38% organic matter (organic matter according to mass concentration ratio); P 0.84g / kg; K 35.12g / kg; Ca 5.55 g / kg; Mg 1.02g / kg; N 16.52g / kg; pH 4.2; Contains a small amount of sugar at the same time, and the concentrated Brix of molasses alcohol waste liquid is 35.

[0023] (2) Screening of yeast strains and preparation of fermented koji:

[0024] A. Selection of strains: ① Bacillus subtilis and Bacillus cereus are Gram-positive large bacilli with short or long chains. It has the following characteristics and advantages: the bacterium can exist in the form of spores under unfavorable environmental conditions, and has the characteristics of high temperature resistance (100 ° C), acid and alkali resistance, extrusion resistance and temperature change resistance, and meets the requirements of soil conditioner processing. The quality of the fertilizer is guaranteed. Bacillus subtilis can produce various enzymes ...

Embodiment 2

[0043] (1) Concentrate the molasses alcohol waste liquid to contain 45% organic matter (organic matter according to mass concentration ratio); P 0.90 g / kg; K 50.0 g / kg; Ca 29.0 g / kg; Mg 10.0 g / kg; N 35.0 g / kg; pH 4.5; Contains a small amount of sugar at the same time, and the concentrated Brix of molasses alcohol waste liquid is 40.

[0044] (2) Screening of yeast strains and preparation of fermented koji:

[0045] A. Selection of strains: select Bacillus subtilis, Streptomyces jingyang, and Saccharomyces cerevisiae as strains for fermenting koji.

[0046] B. Production of koji:

[0047] ① The inoculation of the strains is performed under sterile conditions, and the purified strains are inoculated onto the prepared medium; the strains produced thereafter are first-class seeds;

[0048] ②Amplification on a shaking table, inoculate the first-grade seeds into a 2000-ml Erlenmeyer flask, and cultivate and amplify the number of bacteria. It takes about 3-5 days to cultivate, and...

Embodiment 3

[0064] (1) Concentrate the molasses alcohol waste liquid to contain 51% organic matter (organic matter according to mass concentration ratio); P 1.98 g / kg; K 90.93 g / kg; Ca 39.90 g / kg; Mg 70.31 g / kg; N 50.40 g / kg; pH 5.1; Contains a small amount of sugar at the same time, and the concentrated Brix of molasses alcohol waste liquid is 50.

[0065] (2) Screening of fermentation strains and preparation of fermented koji,

[0066] A. Selection of strains: select Bacillus subtilis, Streptomyces jingyang, and Saccharomyces cerevisiae as strains for fermenting koji.

[0067] B, the production of koji:

[0068] ① The inoculation of strains is performed under sterile conditions, and the purified strains are inoculated on the prepared medium; the strains produced thereafter are first-class seeds.

[0069] ②Amplification on a shaking table, inoculate the first-grade seeds into a 2000-ml Erlenmeyer flask, and cultivate and amplify the number of bacteria. It takes about 3-5 days to culti...

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Abstract

The invention provides a method for preparing a soil conditioner from molasses alcohol waste liquor. The method comprises steps as follows: Step A: the molasses alcohol waste liquor is concentrated to comprise 38%-51% of organic matters in percentage by mass concentration and comprise 0.84-1.98 g/kg of P, 35.12-90.93 g/kg of K, 5.55-39.90 g/kg of Ca, 1.02-70.31 g/kg of Mg and 16.52-50.40 g/kg of N, wherein the pH ranges from 4.2 to 5.1, and the Brix of the concentrated liquor ranges from 35 to 50; Step B: fermentation strains are screened, that is, bacillus subtilis, streptomyces jingyangensis and saccharomyces cerevisiae are selected; Step C: leaven is produced (for the fermented and concentrated alcohol waste liquor); Step D: the leaven is added to the concentrated molasses alcohol waste liquor for fermentation, and the soil conditioner is obtained. According to the method for preparing the soil conditioner from the molasses alcohol waste liquor, organic waste produced in the sugarcane industry is recycled.

Description

technical field [0001] The invention belongs to the field of environmental protection and relates to a method for preparing a soil conditioner from molasses alcohol waste liquid. Background technique [0002] Guangxi is the largest sugar industry base in my country, and its cane sugar production accounts for about 70% of the country's total. The cane sugar industry is an important economic pillar of Guangxi, and the use of molasses fermentation to produce alcohol, lysine, yeast, etc. is an important way for the comprehensive utilization of sugarcane by-products. However, due to various reasons, the molasses alcohol waste liquid after molasses fermentation to produce alcohol has been discharged for a long time, causing serious environmental pollution. In fact, the components of molasses alcohol waste liquid are mainly various nutrients absorbed by sugarcane from the soil and various organic substances synthesized in the body, which are nitrogen, phosphorus, potassium and oth...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/00C12N1/20C12N1/18C12R1/865C12R1/465C12R1/125C09K101/00
Inventor 谭宏伟
Owner SUGARCANE RES INST GUANGXI ACADEMY OF AGRI SCI
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