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A pyroligneous liquor-based water-soluble fertilizer and a preparing method thereof

A water-soluble fertilizer and vinegar-based technology, applied in fertilization methods, organic fertilizers, fertilization devices, etc., can solve the problems of waste of resources, not being well utilized, etc., to increase bulk density, increase structural coefficient and settlement coefficient, Fertility quick effect

Inactive Publication Date: 2017-03-22
NORTHWEST A & F UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Wood vinegar and biogas slurry are by-products in the production process of biomass energy, which have not been well utilized, resulting in a waste of resources

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0018] Its preparation method comprises the following steps:

[0019] 1) Take the biogas residue and biogas slurry mixture in the biogas digester that has been fermented normally for more than half a year, conduct solid-liquid separation, and then dehydrate, purify and filter the separated biogas slurry to obtain biogas slurry reserve liquid;

[0020] 2) The flue gas produced by dry distillation and carbonization of fruit tree branches and wood processing residues is condensed and cooled to collect tar and wood vinegar mixture, and then the tar is removed after standing and multi-stage filtration to obtain wood vinegar stock solution;

[0021] 3) Put the biogas slurry stock solution, wood vinegar liquid stock solution, humic acid and sodium nitrophenolate obtained in step 1 and step 2 into the reactor according to the above weight ratio, and heat for 80 o Stir left and right for more than an hour to obtain the vinegar-based water-soluble fertilizer of the present invention. ...

experiment example

[0023] The vinegar-based water-soluble fertilizer prepared in the embodiment is used for apple planting, diluted with water 300 times before use, the biogas slurry concentration is about 40%, and the pH value is adjusted to 7. The effect of spraying vinegar-based water-soluble fertilizer on the leaves on the chlorophyll of apple leaves is investigated respectively. Content, leaf area, single fruit weight, soluble sugar content and vitamin C content and other indicators, select three different plots to identify No. 1, No. 2 and No. 3. MZ indicates wood vinegar and biogas slurry for coupled application (that is, vinegar-based water-soluble fertilizer), Z indicates biogas slurry alone application, and CK indicates clear water control application.

[0024] Spraying time: Foliage spraying should generally be carried out in the morning or evening on a sunny day. In spring, autumn, and winter, it should be carried out after the dew dries up in the morning. It is better in the evening ...

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Abstract

A pyroligneous liquor-based water-soluble fertilizer and a preparing method thereof are provided. Raw materials include biogas slurry, pyroligneous liquor, humic acid and compound sodium nitrophenolate. The method includes preparing a biogas slurry stock solution by a biogas digester the normal fermentation time of which is half a year or above; collecting a pyroligneous liquor stock solution separated after fruit tree branches, wood processing leftovers, and the like are subjected to destructive distillation and carbonization; adding the biogas slurry, the pyroligneous liquor, the humic acid and the compound sodium nitrophenolate in a certain ratio into a reactor, heating the mixture to about 80 DGE C, and fully stirring the mixture for 1 h or longer to obtain the fertilizer. The fertilizer is high in contents and rapid in production of desired fertility. According to different needs and using amounts, the fertilizer can be subjected to crop foliage spray and root fertilization and can be used for control of diseases and pests. The preparing method is low in cost, simple in process, high in operability and suitable for large-scale popularization.

Description

technical field [0001] The invention belongs to the technical field of water-soluble fertilizers, and in particular relates to a vinegar-based water-soluble fertilizer and a preparation method thereof. Background technique [0002] Biogas slurry is the liquid fermentation residue produced by anaerobic fermentation of biomass, rich in nitrogen, phosphorus, potassium and other macronutrients, zinc, iron, calcium, magnesium, copper, aluminum, silicon, boron, cobalt, vanadium, Strontium and other rich trace elements and bioactive substances - rich in amino acids, B vitamins, various hydrolytic enzymes, a complete set of plant hormones, humic acid, etc., have a certain effect on the prevention and control of diseases and insect pests. Wood vinegar, also known as wood acetic acid or pyroligneous acid, is an organic mixture obtained by condensation, recovery and separation of flue gas produced during the carbonization or dry distillation of wood and wood processing residues. It con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/02C05G3/04A01C21/00C05G3/60C05G3/80
CPCA01C21/005C05F9/04C05G3/00C05G3/60C05G3/80C05F11/00C05F11/02Y02E50/30
Inventor 邱凌张丛光尚高原陈潇孙国涛郭晓慧
Owner NORTHWEST A & F UNIV
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