Technology for directly producing organic chelating compound fertilizer through pelleting by ammonia-acid method

An organic chelation and compound fertilizer technology, applied in fertilizer mixtures, fertilization devices, applications, etc., can solve problems such as harm to human health, inability to completely remove heavy metals, and crop absorption and accumulation, and reduce bioavailability and chelation. Strong ability, the effect of simplifying the process flow

Active Publication Date: 2013-04-17
SINOCHEM SHANDONG FERTILIZER
View PDF5 Cites 10 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the heavy metals contained in the soil cannot be effectively treated, they will be absorbed and accumulated by crops, eventually endangering human health
At present, the treatment of heavy metals in the soil cannot be completely removed, and some of the remaining heavy metals are easily absorbed and enriched by plants

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Embodiment One Concrete process steps are as follows:

[0051] ① Wash, dry and pulverize 12kg of chicken feathers, add 12kg of 15% hydrochloric acid and 12kg of 20% sulfuric acid mixed acid solution, use 0.6Mpa saturated steam to raise the temperature to 110°C, and react for 20 hours under stirring. After the reaction, the acidolysis solution was passed through ammonia gas to neutralize the pH to about 7, and the residue was filtered to obtain 37.5kg of compound amino acid solution;

[0052] ② Crush 6.7kg of peat and 3.3kg of washed wheat straw to 20 meshes, add 2kg of compound bacteria liquid and 0.5kg of ammonia water with a concentration of 15% after mixing, stir for 2 hours, seal it, and ferment it at 60°C for 5 days. Then add 15% potassium hydroxide solution to pH=7 in the fermented material, obtain 14.6kg active humic substances;

[0053] ③ Add 0.37kg of reduced iron powder, 10.7kg of calcium carbonate, and 3.3kg of magnesium sulfate into the chelation reaction k...

Embodiment 2

[0058] Embodiment two Concrete processing steps are as follows:

[0059] ① Wash, dry and pulverize 9.2kg of animal hooves and add them to 22kg of 15% hydrochloric acid and 24kg of 20% dilute sulfuric acid, use 0.9Mpa saturated steam to raise the temperature to 100°C, and react for 24 hours under stirring conditions. After the reaction, feed ammonia gas to adjust the pH of the acid solution to about 7, and obtain 53.1 kg of compound amino acid solution after filtration;

[0060] ② Crush 7.5kg of peat and 2.5kg of washed corn stalks to 60 meshes, add 3kg of compound bacteria liquid and 1kg of ammonia water with a concentration of 15% after mixing, stir for 2 hours, seal it, and keep it fermented at 80°C for 5 days, then Add 15% potassium hydroxide solution to pH=8 in the fermented material, obtain 15.9kg active humic substances;

[0061] ③ Add 2.3kg ascorbic acid, 11kg calcium chloride, 3.1kg magnesium chloride, 2.3kg zinc sulfate, 1.8kg ferrous chloride, 0.7kg manganese sulfat...

Embodiment 3

[0066] Embodiment three Concrete processing steps are as follows:

[0067] ① After washing, drying and crushing 7kg of duck feathers, add them to 16kg of 15% hydrochloric acid and 20kg of 20% sulfuric acid, use 0.8Mpa saturated steam to raise the temperature to 110°C, react for 18 hours under the condition of stirring, and then add to Feed ammonia into the acidolysis solution until the pH of the solution is 7.5, then filter out the waste residue to obtain 51.6kg of compound amino acid solution

[0068] ② Crush 15kg of peat and 6kg of washed rice straw into 40 meshes, add 5.3kg of compound bacteria solution and 1.7kg of ammonia water with a concentration of 15% after mixing, stir for 2 hours, seal it, and keep it fermented at 70°C for 5 days, then Add 15% potassium hydroxide solution to pH=7.5 in the fermented material, obtain 28.3kg active humic substances;

[0069] ③ Add 5.5kg citric acid, 20.5kg calcium sulfate, 4.4kg magnesium carbonate, 4kg zinc chloride, 3.6kg ferrous ch...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides a technology for directly producing an organic chelating compound fertilizer through pelleting by an ammonia-acid method. The technology comprises the steps that (1), a solid keratin substance is subjected to acidolysis by hydrochloric acid and dilute sulfuric acid; ammonia is supplied for neutralization; filtration is conducted; and a compound amino acid solution is obtained; (2), peat and cleaned crop straw are mixed and smashed; compound bacterium liquid and ammonia water are added for fermentation; a potassium hydroxide solution is added after the fermentation; and active humus is obtained; (3), an antioxidant and inorganic salt with medium trace elements are mixed with the compound amino acid solution and the active humus and stirred to form chelation reaction liquid; (4), the chelation reaction liquid is transferred to a buffer slot, and subjected to heat preservation; then a chelation product is obtained; (5), a nitrogen fertilizer, a phosphate fertilizer and a potash fertilizer are mixed with kaolin uniformly, and then fed into an ammonia-acid pelletizer; (6), ammonia and dilute sulfuric acid are supplied to an inorganic fertilizer material layer; the chelation product is sprayed; then mixing and pelleting are conducted; and (7), the organic chelating compound fertilizer is obtained after the pelleting. The organic chelating compound fertilizer prepared by the technology is small in application amount, high in stability and high in plant absorptivity.

Description

technical field [0001] The invention belongs to the field of production and preparation of compound fertilizers, and in particular relates to a process for producing organic chelating compound fertilizers through direct granulation by an acid method. Background technique [0002] In recent years, nitrogen, phosphorus, and potassium compound fertilizers have been widely used. Due to the neglect of the addition of medium and trace elements, although the use of compound fertilizers has increased, the yield of crops has not been effectively improved, but crop diseases have aggravated , land and water pollution. To solve this problem, researchers have gradually realized the importance of adding trace elements in food. At present, most of the compound fertilizers containing medium and trace elements on the market simply add inorganic salts or oxides of medium and trace elements to nitrogen, phosphorus and potassium compound fertilizers. Due to the solidification of the soil and t...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 阚洪福焦卫平李洪顺朱志峰张国林李照亮刘庆堂
Owner SINOCHEM SHANDONG FERTILIZER
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap