Multi-element composite water-soluble fertilizer solid powder prepared from antibiotic mushroom dregs and method and application thereof
A technology of antibiotic slag and multi-component compounding, applied in the fields of application, solid/semi-solid fertilizers, inorganic fertilizers, etc., can solve problems such as microbial resistance and threats to human health, reduce residues, improve fertilizer efficiency and fertilizer retention, and improve The effect of recovery
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Embodiment 1
[0029] A kind of method that utilizes antibiotic bacterium slag to prepare multi-element composite water-soluble fertilizer solid powder provided in this embodiment, comprises the following steps:
[0030] 1) Put the antibiotic slag with a water content of 80% into the reaction kettle, add a 6M HCl solution with a dry matter weight ratio of 8:1, and react at 100°C for 9 hours. During the reaction, the According to the directional hydrolysis of the antibiotic residue, in the obtained residue hydrolyzate, the amino acid yield is 30%, the phytostimulant-like substance is 5%, and the antibiotic residue is 1mg / L based on the dry weight of the residue;
[0031] 2) Under the conditions of 600mmHg vacuum degree and 30°C, carry out vacuum distillation for 2 hours, carry out hydrochloric acid recovery and reduce the volume of hydrolyzate to 80% of the original volume;
[0032] 3) Add activated carbon at a solid-to-liquid ratio of 1:100 for decolorization and impurity removal, and stir a...
Embodiment 2
[0041] A kind of method that utilizes antibiotic bacterium slag to prepare multi-element composite water-soluble fertilizer solid powder provided in this embodiment, comprises the following steps:
[0042] 1) Put the antibiotic residue with a water content of 87.5% into the reaction kettle, add a 6M HCl solution at a ratio of 12:1, and react at 110°C for 13 hours. During the reaction, the antibiotic residue is oriented Hydrolysis, in the obtained hydrolyzate of the fungus residue, the amino acid yield is 45%, the plant-like stimulant is 8%, and the antibiotic residue is 0.5mg / L based on the dry weight of the fungus residue;
[0043] 2) Under the conditions of 675mmHg vacuum degree and 40°C, carry out vacuum rectification for 2.5h, carry out hydrochloric acid recovery and reduce the volume of hydrolyzate, and the volume of hydrolyzate is reduced to 1 / 2 of the original volume;
[0044] 3) Add activated carbon at a solid-to-liquid ratio of 1.5:100 for decolorization and impurity ...
Embodiment 3
[0053] A kind of method that utilizes antibiotic bacterium slag to prepare multi-element composite water-soluble fertilizer solid powder provided in this embodiment, comprises the following steps:
[0054] 1) Put the antibiotic slag with a water content of 95% into the reaction kettle, add a 6M HCl solution with a dry matter weight ratio of 16:1, and react at 120°C for 16 hours. During the reaction, the Directional hydrolysis of antibiotic residues. In the obtained hydrolyzate of bacteria residues, the yield of amino acids is 45%, phytostimulants are 15%, and antibiotic residues are 0.2mg / L based on the dry weight of bacteria residues;
[0055] 2) Under the conditions of 750mmHg vacuum degree and 50°C, carry out vacuum distillation for 3h, carry out hydrochloric acid recovery and reduce the volume of hydrolyzate;
[0056] 3) Add activated carbon at a solid-to-liquid ratio of 2:100 for decolorization and impurity removal, and stir at 150 rpm for 30 minutes at 90°C to absorb sal...
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