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Method for preparing humic acid-containing water-soluble fertilizer from alcohol biogas slurry

A technology of humic acid and biogas slurry, applied in liquid fertilizers, nitrate fertilizers, ammonium orthophosphate fertilizers, etc., can solve problems such as pollution, and achieve the effects of regulating plant growth, improving utilization rate, and enriching nutrients.

Inactive Publication Date: 2017-07-21
江苏联海生物科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If a large amount of high-concentration organic wastewater is discharged directly without strict treatment, it will cause serious pollution

Method used

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  • Method for preparing humic acid-containing water-soluble fertilizer from alcohol biogas slurry

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Step 1. Production of medium: production of Bacillus subtilis medium: add 1L distilled water, 20g glucose, 15g peptone, 5g sodium chloride, 0.5g beef extract, 20g agar and autoclave at 121°C for 20min; culture Aspergillus niger Preparation of the base: Add 5g of peptone, 1g of dipotassium hydrogen phosphate, 2g of yeast extract powder, 0.5g of magnesium sulfate, and 20g of glucose into 950ml of distilled water, dilute to 1L, and autoclave at 121°C for 20 minutes; Production of mold medium: 10g of peptone, 40g of glucose, heated and dissolved in 1000ml of distilled water, sterilized under high pressure at 121°C for 20 minutes;

[0019] Step 2: Activation of strains: inoculate the Bacillus subtilis slant strains into the Bacillus subtilis culture medium in a sterile environment, and incubate for 19 h at a shaking table speed of 170 r / min and a temperature of 36 °C. The Aspergillus niger slants were inoculated into the Aspergillus niger culture medium in a sterile environm...

Embodiment 2

[0025] Step 1. Production of medium: production of Bacillus subtilis medium: add 1L distilled water, 20g glucose, 15g peptone, 5g sodium chloride, 0.5g beef extract, 20g agar and autoclave at 121°C for 20min; culture Aspergillus niger Preparation of the base: Add 5g of peptone, 1g of dipotassium hydrogen phosphate, 2g of yeast extract powder, 0.5g of magnesium sulfate, and 20g of glucose into 950ml of distilled water, dilute to 1L, and autoclave at 121°C for 20 minutes; Production of mold medium: 10g of peptone, 40g of glucose, heated and dissolved in 1000ml of distilled water, sterilized under high pressure at 121°C for 20 minutes;

[0026] Step 2: Activation of strains: inoculate the Bacillus subtilis slant strains into the Bacillus subtilis culture medium in a sterile environment, and incubate for 19 h at a shaking table speed of 170 r / min and a temperature of 36 °C. The Aspergillus niger slants were inoculated into the Aspergillus niger culture medium in a sterile environm...

Embodiment 3

[0032] Step 1. Production of medium: production of Bacillus subtilis medium: add 1L distilled water, 20g glucose, 15g peptone, 5g sodium chloride, 0.5g beef extract, 20g agar and autoclave at 121°C for 20min; culture Aspergillus niger Preparation of the base: Add 5g of peptone, 1g of dipotassium hydrogen phosphate, 2g of yeast extract powder, 0.5g of magnesium sulfate, and 20g of glucose into 950ml of distilled water, dilute to 1L, and autoclave at 121°C for 20 minutes; Production of mold medium: 10g of peptone, 40g of glucose, heated and dissolved in 1000ml of distilled water, sterilized under high pressure at 121°C for 20 minutes;

[0033] Step 2: Activation of strains: inoculate the Bacillus subtilis slant strains into the Bacillus subtilis culture medium in a sterile environment, and incubate for 19 h at a shaking table speed of 170 r / min and a temperature of 36 °C. The Aspergillus niger slants were inoculated into the Aspergillus niger culture medium in a sterile environm...

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Abstract

The invention relates to a method for preparing humic acid-containing water-soluble fertilizer from alcohol biogas slurry. The fertilizer is composed of alcohol biogas slurry, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, yellowish-brown potassium humate and an organosilicon surfactant. The fertilizer is prepared from, by weight, 74.0 to 82.0 g of fermented alcohol biogas slurry, 1.2 to 1.4 g of citric acid, 0.19 to 0.21 g of copper sulfate, 12.0 to 14.5 g of potassium nitrate, 7.8 to 8.5 g of diammonium phosphate, 15.5 to 16.5 g of urea, 5.5 to 6.5 g of yellowish-brown potassium humate and 0.1 g of the organosilicon surfactant by uniformly mixing the materials at normal temperature at a pH value of 7.0 to 7.5 under stirring for 25 min so as to allow the materials to be fully reacted and dissolved, stopping stirring of liquid and carrying out filling. The prepared fertilizer is reasonable to prepare and is applied in a fertigation or foliar fertilization manner; and the fertilizer can improve the properties of soil and provide comprehensive nutrient elements for plant growth, is beneficial for crop growth and output improvement and can effectively improve crop quality.

Description

technical field [0001] The invention relates to the technical field of fertilizers, in particular to a method for producing humic acid-containing water-soluble fertilizers by utilizing alcohol biogas slurry. Background technique [0002] The alcohol industry is an important basic raw material industry for the national economy. Alcohol is widely used in chemical, food, daily chemical, medical and health fields. The annual output of alcohol in my country is about 3,000,000 tons, and the raw materials for production are mainly grain (corn, cassava, etc.), and about 80% of the grain alcohol is made from cassava. The alcohol biogas slurry discharged from the distillation process in the alcohol production process is a kind of high-suspended solids and high-concentration organic waste liquid. Its BOD is as high as 20,000-30,000 mg per liter, and its COD is as high as 40,000-50,000 mg per liter. According to statistics, for every 1 ton of ethanol produced, the content of organic m...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05F17/00
CPCC05B7/00C05F17/00C05G3/00C05G5/20C05C5/02C05C9/00C05D9/02C05F5/002C05F9/04C05F11/02C05F11/08Y02E50/30Y02W30/40
Inventor 唐波谢峰陈赛顾佳宇
Owner 江苏联海生物科技有限公司
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