Method for producing water-soluble humic acid fertilizer by rapidly degrading natural organics

A technology of water-soluble humic acid and natural organic matter, applied in the direction of organic fertilizers, etc., can solve the problems of many restrictive conditions, it is difficult to meet the optimal living conditions of microorganisms, and the yield of biochemical humic acid is low.

Active Publication Date: 2010-07-07
NORTHWEST A & F UNIV
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Problems solved by technology

However, the yield of biochemical humic acid is low and there are many restrictions. Because one kind of microorganism has specific functions, it is impossible to degrade multiple organic substances at the same time. For example, cellulolytic bacteria can only decompose cellulose, and they have the ability to decompose lignin and other organic substances. Second,

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  • Method for producing water-soluble humic acid fertilizer by rapidly degrading natural organics

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Embodiment

[0015] Natural organic matter - sorting and removing impurities - crushing - reactor degradation and activation - decompression blasting - concentration - finished product; the temperature is 100°C, the pressure is 8 atmospheres, and the light wave 400cm-1 ultraviolet light, 12% by weight of hydrolysis agent KOH, 8% by weight of oxidant TiO2, and 2% by weight of directing agent FeSO4.

[0016] Mix 60 parts by weight of the above-mentioned activated water-soluble humic acid with 40 parts by weight of nitrogen fertilizer, 40 parts by weight of phosphorus fertilizer or 40 parts by weight of trace element fertilizer. The reaction conditions are pH8.5, 2-6 atmospheric pressure, temperature 100 ℃ for 5 hours to make a water-soluble humic acid fertilizer containing N or P2O5 or trace elements.

[0017] Natural organic matter includes crop straw, dry-based livestock manure, or weathered coal.

[0018] The degradation process of natural organic matter is essentially the reverse proces...

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Abstract

The invention relates to a method for producing a water-soluble humic acid fertilizer by rapidly degrading natural organics. The produced water-soluble humic acid fertilizer can increase the crop output, improve the quality of farm products and increase the soil fertility. The method comprises the following steps of: sorting and removing impurities from natural organics, crushing, degrading and activating in a reaction kettle, decompression exploding and concentrating to obtain finished products, wherein the temperature is 80 to 175 DEG C, the pressure is 3 to 12.5 barometric pressure, the optical wave is 364-468cm-1 ultraviolet light, a hydrolytic agent is 5 to 20 weight percent of KOH2, an oxidant is 3 to 12.5 weight percent of TiO and a guiding agent is 0.3 to 3 weight percent of FeSO4.

Description

1. Technical field: [0001] The invention relates to a fertilizer production method, in particular to a method for producing water-soluble humic acid fertilizer by artificially degrading natural organic matter rapidly. 2. Background technology: [0002] Soil humic acid comes from natural organic matter. There are a lot of natural organic matter in nature, such as livestock manure, human excrement, farmland waste, peat, lignite, weathered coal, etc. are humic acid raw materials. Soil humic acid is the product of the slow decomposition of natural organic matter by soil microorganisms. Due to the different biological stability of various organic substances, the difficulty of being decomposed by natural microorganisms varies greatly. According to the research of former Soviet scientists, cellulose can exist in soil for more than 500 years; lignin can last 1500-2000 years. The natural organic matter applied as organic fertilizer has fertilizer effect only when it is degraded int...

Claims

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Application Information

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IPC IPC(8): C05F11/02
Inventor 刘存寿同延安朱渭兵刘浩
Owner NORTHWEST A & F UNIV
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