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Biological organic fertilizer and preparation method thereof

A bio-organic fertilizer and strain technology, applied in fertilization devices, fertilizer mixtures, applications, etc., can solve problems such as energy waste, and achieve the effects of avoiding easy burning of seedlings, preventing acidification, and reducing fertilization costs

Inactive Publication Date: 2014-04-16
QINGDAO RUIMIN RESOURCE COMPREHENSIVE UTILIZATIONCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The protein waste residue produced by microbial fermentation in organic acid factories is rich in protein. If it is directly discarded, it will cause a waste of energy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] (1) Preparation of functional strains

[0029] Select nitrogen-fixing bacillus as the functional strain, and place it in a fermenter for liquid culture, so that the bacteria in the fermented liquid reach 10 8 -10 10 cfu / ml;

[0030] (2) Raw material fermentation

[0031] Select 80kg of dewatered sludge produced during anaerobic fermentation of mycelium CSTR, anaerobic fermentation of itaconic acid wastewater EGSB-aerobic treatment, and 10kg of protein waste residue produced during the production of itaconic acid. After measurement and analysis, the dewatered sludge contains water 80% organic matter, 52.43% organic matter, 6.72 pH, 4.92% total nitrogen, 0.15% total phosphorus, 0.28% total potassium, 75% organic matter in protein waste residue, 62% moisture content, 2.13% total nitrogen, and 0.10% total phosphorus , total potassium 0.23%, heavy metal content in the two raw materials are within the required range, no toxic and harmful substances;

[0032] Mix the above...

Embodiment 2

[0036] (1) Preparation of functional strains

[0037] Select organophosphorus bacteria as functional strains, place them in a fermenter for liquid culture, and make the bacteria in the fermentation liquid reach 10 8 -10 10 cfu / ml;

[0038] (2) Raw material fermentation

[0039] Select 50kg of dewatered sludge produced in mycelium CSTR anaerobic fermentation, itaconic acid wastewater EGSB anaerobic fermentation-aerobic treatment process, and 50kg of protein waste residue produced in itaconic acid production process. After measurement and analysis, the dewatered sludge contains water 50% organic matter, 52.43% organic matter, 6.72 pH, 4.92% total nitrogen, 0.15% total phosphorus, 0.28% total potassium, 75% organic matter in protein waste residue, 62% moisture content, 2.13% total nitrogen, and 0.10% total phosphorus , total potassium 0.23%, heavy metal content in the two raw materials are within the required range, no toxic and harmful substances;

[0040] Mix the above slud...

Embodiment 3

[0044] (1) Preparation of functional strains

[0045] Select nitrogen-fixing bacillus, organophosphorus bacteria and potassium bacteria compound flora as functional strains, and place them in the fermentation tank for liquid culture, so that the bacteria in the fermentation liquid reach 10 8 -10 10 cfu / ml;

[0046] (2) Raw material fermentation

[0047] Select 70kg of dewatered sludge produced during anaerobic fermentation of mycelium CSTR, anaerobic fermentation of itaconic acid wastewater EGSB-aerobic treatment, and 20kg of protein waste residue produced during itaconic acid production. After measurement and analysis, the dewatered sludge contains water 80% organic matter, 52.43% organic matter, 6.72 pH, 4.92% total nitrogen, 0.15% total phosphorus, 0.28% total potassium, 75% organic matter in protein waste residue, 62% moisture content, 2.13% total nitrogen, and 0.10% total phosphorus , total potassium 0.23%, heavy metal content in the two raw materials are within the re...

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Abstract

The invention relates to a biological organic fertilizer and a preparation method thereof. The organic fertilizer is prepared from the following raw materials in parts by weight: (1) 50-80 parts of dewatered sludge, (2) 10-50 parts of protein waste slag, (3) 0-10 parts of urea, (4) 0-10 parts of activated carbon and (5) 0.2-1 part of functional strain microbial inoculum. The preparation method comprises the following steps: (1) preparing a functional strain; (2) fermenting the raw materials; and (3) performing post treatment. According to the invention, the problem of secondary environmental pollution caused by sludge generated in the mycelium CSTR (continuous stirred tank reactor) anaerobic fermentation, organic acid waste water EGSB (expanded granular sludge bed) anaerobic fermentation and aerobic treatment process and protein waste slag generated by organic acid factory microbial fermentation is solved; the waste is changed into valuable substances, thereby meeting the related requirements of circular economy; and the indices of the prepared biological organic fertilizer, such as the organic content, the active viable count and the like, meet the requirements of related industrial standards. Besides, the preparation method provided by the invention is simple and has the advantages of no discharge of three wastes, low investment, quick action and low cost.

Description

technical field [0001] The present invention relates to a kind of bio-organic fertilizer and preparation method thereof, specifically, relate to a kind of mycelia CSTR anaerobic fermentation, organic acid waste water EGSB anaerobic fermentation-aerobic treatment process produces sludge and organic acid factory The bio-organic fertilizer produced by aerobic fermentation by adding functional strains and aerobic fermentation of protein waste residue, waste activated carbon and other wastes produced by microbial fermentation and its preparation method. Background technique [0002] Bio-organic fertilizer is made of livestock and poultry manure, urban domestic garbage, crop straw, agricultural by-products and organic waste produced in food processing, and is equipped with a multi-functional fermentation strain agent to quickly deodorize, decompose, dehydrate, and then add Functional microbial agent is a processed organic fertilizer containing a certain amount of functional microo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/00
Inventor 徐建春李悦明张希铭程宝珍
Owner QINGDAO RUIMIN RESOURCE COMPREHENSIVE UTILIZATIONCO
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