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Charcoal fertilizer with high adsorption property and preparation method thereof

A technology of adsorption performance and biochar, applied in the field of compound fertilizer, can solve the problems of less nutrient elements, low specific surface area, less microporous structure, etc., and achieve the effect of improving organic matter content, large specific surface area, and high adsorption performance

Inactive Publication Date: 2017-01-11
廖晖
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although biochar can be used as a fertilizer, it has less microporous structure, lower specific surface area, and retains less nutrients including trace elements, so it is generally necessary to add other fertilizers when using it

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A biochar fertilizer with high adsorption performance is made from the following raw materials in parts by weight:

[0023] 60 parts of biomass raw materials, 30 parts of human and animal manure, and 15 parts of additives.

[0024] Wherein, the biomass raw materials are corn stalks, cotton stalks, corn cobs, bean shells, fruit shells, bagasse, tree stumps, and sawdust, and the water content is controlled at 8%.

[0025] The human and animal excrement is obtained by drying selected human and animal excrement, pulverizing into powder and mixing, and the water content is controlled at 18%.

[0026] The additive is obtained by dissolving plant ash in water, adjusting pH to 8.0 with ammonia water, filtering and freeze-drying.

[0027] The preparation method of the biochar fertilizer with high adsorption performance comprises the following steps:

[0028] (1) Drying and pulverizing the biomass raw material into powder for subsequent use;

[0029] (2) Put human and animal f...

Embodiment 2

[0036] A biochar fertilizer with high adsorption performance is made from the following raw materials in parts by weight:

[0037] 70 parts of biomass raw materials, 35 parts of human and animal manure, and 20 parts of additives.

[0038] Wherein, the biomass raw material is wheat straw, rice straw, corncob, cottonseed hull, rice hull, peanut hull, bagasse, and the water content is controlled at 9%.

[0039] The human and animal excrement is obtained by drying selected human and animal excrement, crushing it into powder, and mixing it evenly, and the water content is controlled at 19%.

[0040] The additive is obtained by dissolving plant ash in water, adjusting pH to 8.2 with ammonia water, filtering and freeze-drying.

[0041] The preparation method of the biochar fertilizer with high adsorption performance comprises the following steps:

[0042] (1) Drying and pulverizing the biomass raw material into powder for subsequent use;

[0043] (2) Put human and animal feces int...

Embodiment 3

[0050] A biochar fertilizer with high adsorption performance is made from the following raw materials in parts by weight:

[0051] 80 parts of biomass raw materials, 40 parts of human and animal manure, 25 parts of additives.

[0052]Wherein, the biomass raw material is rice straw, cotton straw, cottonseed husk, rice husk, peanut shell, fruit peel, vegetable leaves and sides, defective fruit, and tree branches, and the water content is controlled at 10%.

[0053] The human and animal excrement is obtained by drying selected human and animal excrement, crushing it into powder, and mixing it evenly, and the water content is controlled at 20%.

[0054] The additive is obtained by dissolving plant ash in water, adjusting pH to 8.5 with ammonia water, filtering and freeze-drying.

[0055] The preparation method of the biochar fertilizer with high adsorption performance comprises the following steps:

[0056] (1) Drying and pulverizing the biomass raw material into powder for subs...

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PUM

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Abstract

The invention discloses a charcoal fertilizer with the high adsorption property. The charcoal fertilizer is prepared from, by weight, 60-80 parts of biomass raw materials, 30-40 parts of human and animal excreta and 15-25 parts of additives. The charcoal has the large specific area, and the organic content of soil is increased; due to the fact that the mixture of human and animal excreta and biomass is adopted as main raw materials, the charcoal fertilizer contains more abundant nitrogen, phosphorus, potassium and microelements compared with charcoal fertilizer obtained by only adopting biomass as a raw material. The charcoal fertilizer can be used as a low-cost non-chemical fertilizer, the product can provide guarantees for the yield in organic agriculture and green agriculture, a preparation method is simple, controllable and easy to implement, the charcoal has the higher adsorption property and the higher fertilizer efficiency compared with traditional charcoal fertilizers while human and animal excreta and biomass are effectively treated, the charcoal fertilizer can replace chemical fertilizer within the certain range, and the charcoal fertilizer has the industrialized popularized prospect and has remarkable economic, environmental and social benefits.

Description

technical field [0001] The invention relates to a compound fertilizer, in particular to a biochar fertilizer with high adsorption performance and a preparation method thereof. Background technique [0002] No matter in the fields of food crops or commercial crops, fertilization has been used for a long time to improve crop yield and quality. From the earliest application of farm organic fertilizers to the application of inorganic fertilizers, and then to the application of organic and inorganic compound fertilizers. Fertilizer type, fertilization amount and ratio have a great impact on the yield and quality of food crops or economic crops. Although traditional fertilizers, especially organic and inorganic compound fertilizers, have played a good role in increasing crop yields. However, traditional fertilizers have an unreasonable ratio of ingredients and nutrients, which can hardly restore soil fertility, improve soil structure, and even cause side effects, such as soil co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05D9/00C05G3/80
CPCC05D9/00C05G3/80C05D9/02
Inventor 廖晖
Owner 廖晖