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High-activity small-molecular carbon-rich fertilizer and preparation method thereof

A small-molecule, high-activity technology, applied to organic fertilizers, fertilization devices, fertilizer mixtures, etc., can solve the problems of unreported high-activity small-molecule carbon-rich fertilizer treatment process, incomplete treatment of organic matter, single treatment equipment, etc., to achieve improved Effects of effectiveness and utilization, hardness improvement, and product property stability

Inactive Publication Date: 2016-12-14
上海国环生态科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method needs to be heated in the pre-processing, and the subsequent processing steps need to carry out tedious steps such as centrifugation, decolorization, ultrafiltration, nanofiltration separation, spray drying, etc., so the energy consumption is large and the cost is high.
The Chinese patent number is CN201520050669, the name is "subcritical water reaction device for preparing organic fertilizer" and the Chinese patent application number is CN201520051115, the name is "subcritical water reaction device for preparing organic fertilizer by using livestock and poultry manure", this method discloses A subcritical water reaction device for preparing organic fertilizers from livestock and poultry manure, but the method has a single processing equipment, only one reactor is connected for processing, and the processing is only through the introduction of high-temperature steam and simple mechanical stirring. Incomplete, and the post-treatment products have not been used in the follow-up; Chinese patent number is CN201510155926, the name is "a subcritical water extraction agent and extraction method for polyphenols in lotus solid waste", this method is to use Subcritical water is used as an extractant, which is composed of water, citric acid or malic acid or a mixture of the two, Vc, and sodium bisulfite in certain parts by weight, which enriches the content of the extractant, and the processing cost is relatively high
[0006] None of the above-mentioned documents reported a complete set of treatment process for producing organic waste into high-activity small-molecule carbon-rich fertilizer by subcritical water plus subsequent aerobic fermentation; and the treatment process should be intelligently handled, cost-reduced, and fertilizer efficient. Multi-purpose conversion is a problem that needs to be solved by using subcritical water to treat organic waste and aerobic fermentation

Method used

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  • High-activity small-molecular carbon-rich fertilizer and preparation method thereof
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  • High-activity small-molecular carbon-rich fertilizer and preparation method thereof

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preparation example Construction

[0040] The preparation method of the high-activity small molecule carbon-rich fertilizer described in the following embodiments 1 to 3 comprises the following steps:

[0041] Step 1: Mix organic solid waste, straw, diatomite, oyster shells, and wood chips according to the above ratio to obtain the organic solid waste to be treated;

[0042] In step 2, a subcritical water reaction is performed on the organic solid waste to be treated to obtain a treated product;

[0043] In step 3, the treated product is subjected to aerobic fermentation and post-ripening treatment to obtain a high-activity small-molecule carbon-rich fertilizer.

[0044] In step 1, the amount of straws, diatomite, oyster shells, and wood chips added is determined according to the water content of the organic solid waste; the organic solid waste needs to be sorted to remove impurities before use, and the its crushed.

[0045] In step 2, the reaction takes place in the subcritical water treatment equipment, and...

Embodiment 1

[0049] This embodiment provides a high-activity small-molecule carbon-rich fertilizer. The organic solid waste used is kitchen waste, and the length of the straw and the particle size of the wood chips are less than 5 cm; the weight ratio of each component is kitchen waste: straw: Diatomaceous earth: oyster shell: wood chips = 1:0.8:0.05:0.1:0.3.

[0050] The above components are obtained by subjecting the above components to a subcritical treatment process and then subjecting them to aerobic fermentation treatment.

[0051] The usage amount is 100kg / mu.

Embodiment 2

[0053] This embodiment provides a high-activity small-molecule carbon-rich fertilizer. The organic solid waste used is kitchen waste, and the length of the straw and the particle size of the wood chips are less than 5 cm; the weight ratio of each component is kitchen waste: straw: Diatomaceous earth: oyster shell: wood chips = 1:0.6:0.05:0.1:0.5.

[0054] The above components are obtained by subjecting the above components to a subcritical treatment process and then subjecting them to aerobic fermentation treatment.

[0055] The usage amount is 150kg / mu.

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Abstract

The invention relates to the field of novel organic fertilizers, and discloses a high-activity small-molecular carbon-rich fertilizer and a preparation method thereof. The high-activity small-molecular carbon-rich fertilizer is prepared from, by weight, 1 part of organic solid waste, 0.6-0.9 part of straw, 0.04-0.1 part of kieselguhr, 0.01-0.1 part of oyster shells and 0.1-0.5 part of wood dust. Compared with the prior art, the high-activity small-molecular carbon-rich fertilizer contains rich amino acids, dipeptide and polypeptide and small-molecular organic matter, does not contain heavy metals, hormones, ova, pathogens and the like and has the advantages of being harmless, small in molecule, high in activity, small in dosage, capable of saving manpower, small in specific gravity, looser and the like. Meanwhile, the high-activity small-molecular carbon-rich fertilizer has the obvious effects of improving soil, promoting plant growth and enhancing plant resistance, inhibiting plant pathogens and the like, and a series of agricultural problems caused by usage of chemical pesticides and chemical fertilizers are thoroughly solved.

Description

technical field [0001] The invention belongs to the technical field of organic solid waste treatment and organic fertilizer production, and relates to a high-activity small-molecule carbon-rich fertilizer and a preparation method thereof, in particular to a method for producing small-molecule carbon-rich fertilizer by utilizing organic waste, and in particular to a A technology and production method for producing high-activity small-molecule carbon-rich fertilizer from organic waste based on a subcritical hydrolysis method. Background technique [0002] Organic wastes include plant wastes (such as crop straws, branches, etc.), animal wastes (such as livestock manure), processing wastes and household wastes (such as kitchen wastes such as dining tables and vegetable farms, food processing wastes) Plant scraps, domestic sludge, etc.). Organic waste has the characteristics of large quantity, variety and harm of pollution. Hundreds of millions of organic wastes are produced eve...

Claims

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Application Information

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IPC IPC(8): C05G3/04C05G3/80
CPCC05D9/00C05G3/80C05F1/005C05F9/00C05F11/00
Inventor 荆晶李玉玲张晴王冠飞方国年张文彬
Owner 上海国环生态科技股份有限公司
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