Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Sugarcane charcoal based water-fertilizer double-control type composite slow-release carrier and preparation method thereof

A slow-release carrier and dual-control fertilizer technology, applied in the field of slow and controlled release, can solve the problems of low fertilizer utilization efficiency in the field, insufficient performance of fertilizer slow and controlled release, and lack of regional environmental adaptability. Economic and social benefits, enhanced slow and controlled release effect, simple and easy preparation process

Inactive Publication Date: 2021-04-16
GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional slow-release carriers often lack adaptability to regional environments, and their slow-release and controlled-release performance of fertilizers cannot be fully utilized, making the actual use efficiency of fertilizers in the field seriously low.

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

[0020] The invention provides a sugarcane carbon-based water and fertilizer double-controlled composite slow-release carrier and a preparation method thereof, comprising a carrier matrix, a cross-linking agent, a collagen solution and a chemical fertilizer. The cross-linking agent is selected from formaldehyde and ethylenediamine. The weight ratio of the carrier substrate to the chemical fertilizer is controlled in the range of 0.4%-18%, the weight ratio of the crosslinking agent to the carrier substrate is controlled in the range of 0.06%-0.5%, and the chemical fertilizer is urea.

[0021] Specifically include the following steps:

[0022] a. Preparation of sugarcane charcoal matrix: After pulverizing the bagasse with a pulverizer, place it in a carbonization furnace, heat it to 500-700°C at a heating rate of 8-10°C / min, carbonize for 2.8-3.5h, grind and sieve, and select The sugarcane charcoal that can pass through the 18 mesh sieve and cannot pass through the 100 mesh sieve...

Embodiment 2

[0026] The invention provides a sugarcane carbon-based water and fertilizer double-controlled composite slow-release carrier and a preparation method thereof, comprising a carrier matrix, a cross-linking agent, a collagen solution and a chemical fertilizer. The cross-linking agent is selected from glutaraldehyde and borax. The weight ratio of the carrier substrate to the chemical fertilizer is controlled in the range of 0.4%-18%, the weight ratio of the crosslinking agent to the carrier substrate is controlled in the range of 0.06%-0.5%, and the chemical fertilizer is urea.

[0027] Specifically include the following steps:

[0028] a. Preparation of sugarcane charcoal matrix: After pulverizing the bagasse with a pulverizer, place it in a carbonization furnace, heat it to 500-700°C at a heating rate of 8-10°C / min, carbonize for 2.8-3.5h, grind and sieve, and select The sugarcane charcoal that can pass through the 18 mesh sieve and cannot pass through the 100 mesh sieve is used...

Embodiment 3

[0032] The invention provides a sugarcane carbon-based water and fertilizer double-controlled composite slow-release carrier and a preparation method thereof, comprising a carrier matrix, a cross-linking agent, a collagen solution and a chemical fertilizer. The weight ratio of the chemical fertilizer is controlled in the range of 0.4%-18%, the weight ratio of the crosslinking agent to the carrier matrix is ​​controlled in the range of 0.06%-0.5%, and the chemical fertilizer adopts urea.

[0033] Specifically include the following steps:

[0034] a. Preparation of sugarcane charcoal matrix: After pulverizing the bagasse with a pulverizer, place it in a carbonization furnace, heat it to 500-700°C at a heating rate of 8-10°C / min, carbonize for 2.8-3.5h, grind and sieve, and select The sugarcane charcoal that can pass through the 18 mesh sieve and cannot pass through the 100 mesh sieve is used as the carrier matrix for standby;

[0035] b. Preparation of cross-linking agent: 6-12...

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 discloses a sugarcane charcoal based water-fertilizer double-control type composite slow-release carrier and a preparation method thereof. The sugarcane charcoal based water-fertilizer double-control type composite slow-release carrier comprises a carrier matrix, a cross-linking agent, a collagen liquid and a chemical fertilizer, the cross-linking agent is selected from formaldehyde, ethylene diamine, glutaraldehyde, borax or zinc oxide, and the chemical fertilizer is urea. The adopted cross-linking agent has good shear resistance, injection performance, temperature resistance, salt resistance and migration performance in a porous medium, has the characteristics of strong stability and the like, and enhances the sustained and controlled release effect of water and fertilizer. The bagasse biomass is used to prepare a carrier matrix, the biomass raw materials are renewable, the cost is low, the carbonization preparation process is simple, feasible, economical and environment-friendly, nutrients can be gradually released according to the growth requirements of crops by utilizing the sugarcane charcoal based water-fertilizer composite slow-release carrier, and meanwhile, the pollution effect of agricultural production on the environment is reduced on the premise of ensuring that the same yield is obtained, so that very remarkable economic benefits and social benefits can be generated.

Description

technical field [0001] The invention relates to the technical field of slow and controlled release, in particular to a sugarcane carbon-based water and fertilizer double-controlled composite slow-release carrier and a preparation method thereof. Background technique [0002] High-efficiency slow-release carriers play an important role in enhancing the slow-release of fertilizers, improving fertilizer utilization efficiency, and controlling fertilization in farmland. Traditional slow-release carriers often lack regional environmental adaptability, and their slow and controlled-release properties of fertilizers cannot be fully exerted, which makes the actual utilization efficiency of field fertilizers seriously low. Compared with traditional slow and controlled release carriers, environment-sensitive polymer materials (such as temperature-sensitive hydrogels, pH-sensitive hydrogels) are an ideal slow and controlled release carriers, which are used in controlled-release nutrien...

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): C05G3/40C07K14/78C07K1/14
Inventor 李长宁农倩林丽谢金兰莫璋红
Owner GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com