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Biological carbon and biological humic acid compounded soil conditioner preparation method

The technology of biological humic acid and soil conditioner is applied in the field of preparation of biochar biological humic acid composite soil conditioner, which can solve the problems of high degree of mineralization, difficult to dissolve in water, etc., and achieves high biological activity, low cost, high The effect of improving adsorption capacity

Inactive Publication Date: 2017-08-11
亳州市恒顺生态科技有限公司
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AI Technical Summary

Problems solved by technology

However, most of the humic acids on the market are made of mineral components, with a high degree of mineralization, and are not easily soluble in water. Using bagasse to ferment and prepare biological humic acids can make bagasse waste effectively utilized

Method used

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Experimental program
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Embodiment Construction

[0019] A preparation method of biochar biohumic acid composite soil conditioner, comprising the following specific steps:

[0020] (1) Place the remaining sludge from the sewage plant outside for air-drying, and then pass it through a 100-mesh sieve for use; put the crushed tea residue in an oven and dry at 70°C for 2 hours, take it out after cooling, and pass it through a 100-mesh sieve for use;

[0021] (2) Put 15kg of dried sewage plant residual sludge and 35kg of crushed tea residue into a crucible, mix them evenly and send them into a muffle furnace, heat slowly to 300°C, pyrolyze for 100 minutes, and cool to room temperature Take out the biochar;

[0022] (3) Grind 50kg of bagasse with a pulverizer, put it into a mixer after passing through a 35-mesh sieve, add 1kg of urea and 25kg of water, stir well and then continue to add 0.75kg of Trichoderma, 0.25kg of Streptomyces, 1.25kg of Bacillus licheniformis, 0.25kg of yeast, fully stirred for 30 minutes at room temperature...

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Abstract

The invention discloses a biological carbon and biological humic acid compounded soil conditioner preparation method. The method includes: adopting excess sludge in sewage plants and tea dregs for preparing biological carbon according to a pyrolysis method, adopting composite strains for fermenting bagasse to obtain biological humic acid, compounding the biological carbon and the biological humic acid through a series of technical steps to obtain a soil conditioner, wherein the soil conditioner has certain water solubility and is capable of precipitating and adsorbing heavy metal ions in soil to realize soil improvement through ion exchange. The method is low in cost, dealing with wastes by wastes is realized by adoption of wastes as main raw materials, convenience in technical control is achieved, high product bioactivity, freeness of environmental secondary pollution and worthiness of popularization are realized.

Description

technical field [0001] The invention relates to the technical field of soil improvers, in particular to a preparation method of a biochar biohumic acid composite soil improver. Background technique [0002] With the development of industry and commerce and the increase of population, the deterioration of the ecological environment caused by human activities has become more and more serious. Among them, the problem of soil heavy metal pollution is particularly prominent. Soil heavy metal pollution refers to the phenomenon that due to human activities, the content of heavy metals in the soil is significantly higher than that in its natural state, and the quality of the ecological environment deteriorates. Heavy metals exist in different chemical forms in the soil, can accumulate and migrate in the soil, and accumulate in crops, directly or indirectly affecting human health. It can be seen that soil heavy metal pollution has become the main problem to be solved urgently. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/40
CPCC09K17/40
Inventor 李振马坤鹏王利利王晓彬
Owner 亳州市恒顺生态科技有限公司
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