Soil remediation agent and preparation method thereof

A technology of soil remediation agent and diatomite, which is applied in the field of soil remediation, can solve the problems of destroying ecosystems, polluting soil, water bodies, etc., and achieve the effect of high-efficiency restoration, high-efficiency content, and reduction of content

Active Publication Date: 2020-10-16
广东大能新材科技有限公司
View PDF9 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Studies have shown that 80%-90% of the applied pesticides will eventually enter the soil environment. Pesticides a

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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Soil remediation agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A soil remediation agent, the soil remediation agent is made of the following raw materials in parts by weight: 28 parts of modified diatomite, 16 parts of desulfurized gypsum, 11 parts of straw powder, 7 parts of fly ash, 5 parts of attapulgite, 3 parts of Trichoderma humic acid, 1.5 parts of modified nano zero-valent iron.

[0028] The preparation method of the modified diatomite is as follows: adding diatomite to 30% sulfuric acid solution, the weight ratio of diatomite to 30% sulfuric acid solution is 1:8, stirring at 75°C to form a stable suspension Solution A, after centrifugation and drying, calcined at 500°C to obtain pretreated diatomite, take 12 parts of pretreated diatomite, disperse it in 110 parts of potassium permanganate solution, stir to form a stable suspension B , add 3 parts of vitriol and 2 parts of magnesium chloride hexahydrate to 100 parts of deionized water to form a mixed solution, drop the mixed solution into the suspension B, stir evenly, adju...

Embodiment 2

[0032] A soil remediation agent, the soil remediation agent is made of the following raw materials in parts by weight: 20 parts of modified diatomite, 10 parts of desulfurized gypsum, 8 parts of straw powder, 6 parts of fly ash, 4 parts of attapulgite, 2 parts of Trichoderma humic acid, 0.8 part of modified nano zero-valent iron.

[0033] The preparation method of the modified diatomite is as follows: adding diatomite to 30% sulfuric acid solution, the weight ratio of diatomite to 30% sulfuric acid solution is 1:8, stirring at 75°C to form a stable suspension Solution A, after centrifugation and drying, calcined at 500°C to obtain pretreated diatomite, take 12 parts of pretreated diatomite, disperse it in 110 parts of potassium permanganate solution, stir to form a stable suspension B , add 3 parts of vitriol and 2 parts of magnesium chloride hexahydrate to 100 parts of deionized water to form a mixed solution, drop the mixed solution into the suspension B, stir evenly, adjust...

Embodiment 3

[0037] A soil remediation agent, the soil remediation agent is made of the following raw materials in parts by weight: 35 parts of modified diatomite, 20 parts of desulfurized gypsum, 15 parts of straw powder, 12 parts of fly ash, 10 parts of attapulgite, 8 parts Trichoderma humic acid, 3 modified nano zero-valent iron.

[0038]The preparation method of the modified diatomite is as follows: adding diatomite to 30% sulfuric acid solution, the weight ratio of diatomite to 30% sulfuric acid solution is 1:8, stirring at 75°C to form a stable suspension Solution A, after centrifugation and drying, calcined at 500°C to obtain pretreated diatomite, take 12 parts of pretreated diatomite, disperse it in 110 parts of potassium permanganate solution, stir to form a stable suspension B , add 3 parts of vitriol and 2 parts of magnesium chloride hexahydrate to 100 parts of deionized water to form a mixed solution, drop the mixed solution into the suspension B, stir evenly, adjust the pH to ...

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 soil remediation agent. The soil remediation agent is prepared from the following raw materials in parts by weight: 20-35 parts of modified diatomite, 10-20 parts of desulfurized gypsum, 8-15 parts of straw, 6-12 parts of fly ash, 4-10 parts of attapulgite, 2-8 parts of trichoderma humic acid and 1-4 parts of modified nano zero-valent iron. The soil remediation agent disclosed by the invention has an efficient remediation effect on soil polluted by organic phosphorus and heavy metals, and the content of the organic phosphorus and the heavy metals in the polluted soilcan be efficiently reduced; according to the modified diatomite disclosed by the invention, the content of organic phosphorus and heavy metals in polluted soil can be efficiently reduced by the modified nano zero-valent iron, and the modified diatomite and the modified nano zero-valent iron have a synergistic effect on the aspect of heavy metal Cd pollution.

Description

technical field [0001] The invention relates to the technical field of soil restoration, in particular to a soil restoration agent and a preparation method thereof. Background technique [0002] Many developing countries ignore environmental protection due to one-sided pursuit of rapid economic development, and soil pollution is quite serious. China has little arable land and a large population. According to official data, not only more than 20% of the traditional arable land is seriously polluted, but more arable land is seriously degraded (China's arable land area is less than 10% of the world, but nearly 40% of the world's arable land is used. fertilizers; the amount of pesticides used has reached 1.3 million tons, which is 2.5 times the world average), threatening China's food security and harming the health of consumers. At present, soil remediation technologies mainly include physical remediation, chemical remediation and biological remediation. Physical remediation ...

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
IPC IPC(8): C09K17/40C09K101/00
CPCC09K17/40C09K2101/00
Inventor 修佳佳
Owner 广东大能新材科技有限公司
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