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Preparation method of plant-derived amino polypeptide water-soluble fertilizer

An amino acid, water-soluble fertilizer technology, applied in nitrogen fertilizer and other directions, can solve the problems of high salinity, the existence of carcinogens, and many by-products, and achieve the effects of simple and efficient preparation process, reduction of carcinogens, and high biological activity.

Inactive Publication Date: 2017-06-13
HANGZHOU WEISHINUOWEI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the existing amino acid fertilizer products are directly purchased amino acid powder and mineral nutrients, such as urea, ammonium phosphate, potassium dihydrogen phosphate, zinc sulfate, magnesium sulfate, calcium nitrate, etc., and are simply mixed at high temperature to form amino acids. Fertilizer, this kind of amino acid fertilizer, does not fully chelate with trace elements, and there are no amino acids necessary for many plants, so the fertilization effect is not good
The sources of amino acids in the existing amino acid fertilizers are mainly industrial waste and hair chemical hydrolysis, which has many problems: 1. There are many by-products, and there is a risk of carcinogens; 2. High salinity, excessive chloride or sulfuric acid Roots exist in the system and cause harm to crops; 3. Complete hydrolysis is not conducive to the absorption and utilization of crop roots, and some types of amino acids are decomposed during the preparation process

Method used

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  • Preparation method of plant-derived amino polypeptide water-soluble fertilizer
  • Preparation method of plant-derived amino polypeptide water-soluble fertilizer
  • Preparation method of plant-derived amino polypeptide water-soluble fertilizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] A method for preparing plant-derived amino acid polypeptide water-soluble fertilizer, comprising the following steps:

[0012] A. Weigh the soybean meal and water according to the mass ratio of 1:4, put them into the reaction kettle, stir and mix evenly, grind and beating, sieve through 60 meshes, adjust the pH to 3.0 with hydrochloric acid, and keep the temperature at 45°C for 2 hours to obtain soybean meal slurry;

[0013] B. Add acid pectinase to the soybean pulp obtained in step A, the addition of the acid pectinase is 0.1% of the soybean pulp quality, and after 3 hours at 45°C, adjust the pH of the slurry in the reactor to 4.5 with potassium hydroxide Add phytase, the addition of described phytase is 0.7% of soybean meal pulp quality, 50 ℃ of insulations 1 hour, then boiling water bath 20 minutes, the last temperature is down to 50 ℃ of insulation standby; Add α-amylase, all The addition of the above-mentioned α-amylase is 0.3% of the soybean pulp quality, and acid...

Embodiment 2

[0018] A method for preparing plant-derived amino acid polypeptide water-soluble fertilizer, comprising the following steps:

[0019] A. Weigh the peanut meal and water according to the mass ratio of 1:4, put them into the reaction kettle, stir and mix evenly, grind and beat the pulp, adjust the pH to 3.0 with hydrochloric acid after sieving with 60 mesh, and keep it warm at 45°C for 2 hours to obtain peanut meal pulp;

[0020] B, add acid pectinase in step A gained peanut pulp, the add-on of described acid pectinase is 0.1% of peanut pulp quality, after 45 ℃ of insulations 3 hours, adjust the slurry pH in the reactor with potassium hydroxide To 4.5; add phytase, the addition of said phytase is 0.7% of the mass of peanut pulp, keep warm at 50°C for 1 hour, then boil in water for 20 minutes, and finally drop the temperature to 50°C and keep warm for later use; add α‐starch enzyme, the addition of the α-amylase is 0.3% of the quality of the peanut pulp, and after 1 hour of incub...

Embodiment 3

[0026] A method for preparing plant-derived amino acid polypeptide water-soluble fertilizer, comprising the following steps:

[0027] A. Weigh rapeseed meal and water according to the mass ratio of 1:4, put them into the reaction kettle, stir and mix evenly, grind and beat, sieve through 60 meshes, adjust the pH to 3.0 with hydrochloric acid, and keep warm at 45°C for 2 hours to obtain rapeseed meal pulp ;

[0028] B, add acid pectinase in step A gained rapeseed pulp, the add-on of described acid pectinase is 0.1% of the quality of rapeseed pulp, after 45 ℃ of insulations 3 hours, adjust in the reactor with potassium hydroxide Slurry Ph to 4.5; add phytase, the amount of phytase added is 0.7% of the quality of rapeseed pulp, 50 ° C for 1 hour, then boiled water bath for 20 minutes, and finally the temperature is reduced to 50 ° C for later use; add α-amylase, the addition of said α-amylase is 0.3% of the quality of rapeseed pulp, and acid protease is added after being incubat...

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Abstract

The invention relates to a preparation method of a plant-derived amino polypeptide water-soluble fertilizer. The preparation method is characterized by comprising the following steps that firstly, plant powder dregs and water are weighed in a mass ratio of 1:4, and evenly mixed to obtain plant powder dreg pulp; secondly, acidic pectinase is added into the plant powder dreg pulp, heat preservation is carried out at the temperature of 45 DEG C for 3 hours, then the pH is adjust to 4.5, phytase is added, heat preservation is carried out at the temperature of 50 DEG C for 1 hour, then boiling water bath is conducted for 20 minutes, finally cooling is conducted to 50 DEG and heat preservation is carried out for standby; alpha-amylase is added, heat preservation is carried out for 1 hour at the temperature of 50 DEG C, then acid protease is added for heat preservation for 3 hours at the temperature of 50 DEG C, and the pH is adjusted to 7.0; neutral protease is added for heat preservation for 3 hours at the temperature of 50 DEG C, and the pH is adjusted to 10.0; alkaline protease is added for heat preservation for 3 hours at the temperature of 50 DEG C, and the pH is adjusted to 4.2; thirdly, the plant-derived amino polypeptide water-soluble fertilizer is obtained after centrifugation and filtration. The preparation process is simple and efficient, and the water-soluble fertilizer contains multiple amino acids.

Description

technical field [0001] The invention relates to the technical field of novel fertilizer production, in particular to a method for preparing plant-source amino acid polypeptide water-soluble fertilizer. Background technique [0002] Most of the existing amino acid fertilizer products are directly purchased amino acid powder and mineral nutrients, such as urea, ammonium phosphate, potassium dihydrogen phosphate, zinc sulfate, magnesium sulfate, calcium nitrate, etc., and are simply mixed at high temperature to form amino acids. Fertilizers, such amino acid fertilizers, are not fully chelated with trace elements, and many types of amino acids essential to plants are not available, so the fertilization effect is not good. The sources of amino acids in the existing amino acid fertilizers are mainly industrial waste and hair chemical hydrolysis, which has many problems: 1. There are many by-products, and there is a risk of carcinogens; 2. High salinity, excessive chloride or sulfu...

Claims

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Application Information

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IPC IPC(8): C05C11/00
Inventor 颜建荣蔡小伶
Owner HANGZHOU WEISHINUOWEI TECH
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