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Process for preparing liquid organic fertilizer by fermenting waste bacteria with amino acid

A technology of discarded bacteria and amino acids, applied in organic fertilizers, fertilizers made of biological waste, liquid fertilizers, etc., can solve the problems of ineffective use of bacterial protein, unsustainable fertilizer effect, low utilization rate, etc., to avoid evaporation concentration and Effects of pollution reduction treatment, reduction of energy waste, and improvement of utilization rate

Active Publication Date: 2019-05-24
内蒙古阜丰生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The applicant's previous patented technology "a process for preparing organic-inorganic compound fertilizer by using bio-fermented amino acid wastewater" applied waste liquid to fertilizer preparation, solved the problem of waste liquid treatment, and prepared fertilizer, but this technology still exists Certain deficiencies, such as inability to efficiently utilize bacterial proteins, use of concentrated evaporation steps to waste energy, etc.
[0003] The development and application of fertilizers in my country is from farmyard manure to the use of inorganic fertilizers as the main stage. Because farmyard manure has many pollution sources and large transportation volume, it is time-consuming and laborious to operate and the effect is not particularly obvious; while inorganic fertilizer has a single component and a relatively low utilization rate. Low, and often cause soil compaction and soil erosion to pollute water sources, affecting the ecological environment
At present, inorganic compound fertilizers containing nitrogen, phosphorus and potassium are mostly used in the market. The compound fertilizer has comprehensive fertilizer effects, but there are also defects such as short-lasting fertilizer effects and easy loss; more importantly, the current price of compound fertilizers is relatively high, which brings great harm to farmers. How to reduce fertilizer costs and increase farmers' income is a technical problem that modern agriculture needs to solve

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The process for preparing liquid organic fertilizer by using amino acid to ferment waste cells comprises the following steps:

[0026] Step 1) Collect waste cells: use microbial fermentation to obtain amino acid fermentation liquid, filter the fermentation liquid, collect waste cells and filtrate, use the filtrate to extract amino acids, and use the waste water generated during the extraction process for standby;

[0027] Step 2) Hydrolyze waste cells: Dry the waste cells naturally, then place them in a reaction tank, add 5 mol / L hydrochloric acid of the same mass as the dried waste cells, stir and hydrolyze at 60°C for 24 hours , the stirring speed is 300 revs / min, neutralize the residual hydrochloric acid with ammonia water after the reaction is terminated, and control the pH of the solution to be 6.8-7.2;

[0028] Step 3) Preparation of fertilizer component A: crush sorghum straw into sorghum straw powder, add it to the solution in step 2), stir evenly, let stand for...

Embodiment 2

[0035] The process for preparing liquid organic fertilizer by using amino acid to ferment waste cells comprises the following steps:

[0036] Step 1) Collect waste cells: use microbial fermentation to obtain amino acid fermentation liquid, filter the fermentation liquid, collect waste cells and filtrate, use the filtrate to extract amino acids, and use the waste water generated during the extraction process for standby;

[0037] Step 2) Hydrolyze waste cells: Dry the waste cells naturally, then place them in a reaction tank, add 5 mol / L hydrochloric acid of the same mass as the dried waste cells, stir and hydrolyze at 60°C for 24 hours , the stirring speed is 300 revs / min, neutralize the residual hydrochloric acid with ammonia water after the reaction is terminated, and control the pH of the solution to be 6.8-7.2;

[0038] Step 3) Preparation of fertilizer component A: crush sorghum straw into sorghum straw powder, add it to the solution in step 2), stir evenly, let stand for 1...

Embodiment 3

[0046] The field test effect of the organic fertilizer prepared in Example 1 of the present invention: take wheat as an example.

[0047] Control group: common compound fertilizer (N, P, K content 15:14:12);

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PUM

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Abstract

The invention belongs to the technical field of fertilizers, and discloses a process for preparing liquid organic fertilizer by using amino acid fermentation waste cells, which comprises the following steps: step 1) collecting waste cells, step 2) hydrolyzing waste cells, and step 3) preparing fertilizer components A, step 4) preparation of fertilizer component B, step 5) preparation of liquid organic fertilizer. The process of the invention utilizes the waste cells, realizes the utilization of the waste, and the prepared liquid organic fertilizer has a long-lasting fertilizer effect.

Description

technical field [0001] The invention belongs to the technical field of fertilizers, and in particular relates to a process for preparing liquid organic fertilizers by using amino acid to ferment waste cells. Background technique [0002] At present, bio-fermentation enterprises produce a large amount of waste in the process of fermentation and production of various amino acids, because the fermentation amino acid waste contains COD, SO 4 2- and NH 3 -High N content and strong acidity. In addition, the waste also contains a large amount of bacterial protein, reducing sugar, and ammonia nitrogen. If it is discharged indiscriminately, it will not only cause serious environmental pollution, but also waste valuable resources. If the waste liquid is processed, the investment is huge, and it does not meet the requirements of circular economy development. The comprehensive utilization of amino acid waste produced by fermentation has important strategic significance for the sustai...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G1/00
CPCC05B7/00C05G5/20C05B17/00C05F1/005C05F5/002C05F11/00C05F11/08
Inventor 丁兆堂张传森刘海涛卢松王伟
Owner 内蒙古阜丰生物科技有限公司
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