Chemical agent for preventing arsenic spreading pollution in arsenic-resistant plants and using method of chemical agent

A plant and chemical technology, applied in the restoration of polluted soil, chemical instruments and methods, applications, etc., can solve the problems of excessive heavy metals in water, poisoning, death and other problems, and achieve the effect of promoting growth rate

Active Publication Date: 2019-04-05
林西金易来砷业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The toxicity of arsenic can lead to adverse environmental effects such as environmental pollution, agricultural economic loss, excessive heavy metals in water, etc. If people are exposed to arsenic-containing substances for a long time, they will cause poisoning and seriously cause death

Method used

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  • Chemical agent for preventing arsenic spreading pollution in arsenic-resistant plants and using method of chemical agent
  • Chemical agent for preventing arsenic spreading pollution in arsenic-resistant plants and using method of chemical agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] (Test site A) After planting for 20 days, use the agent of the invention to spray the stems and leaves of centipede grass. Its main components are fulvic acid 3.2%, inositol 0.2%, and calcium acetate 96.6% according to the mass ratio. The agent becomes liquid suspension after blending with water State, spray the centipede grass every 15 days. Three months later, the above-ground part was harvested for the first time, and every two months after growth, the stubble was harvested 5cm, and the tailings after harvesting were excavated. Finally, the arsenic content in the tailings was detected after 4 harvests. After analysis and determination, the arsenic content in the tailings was reduced from the original 17642mg / kg to 13659mg / kg, which is equivalent to reducing the arsenic content in the tailings by 22.6 %; After the harvested centipede grass is dried, the arsenic content is detected. After analysis, it is determined that 10.3g of arsenic can be recovered per 1kg of dried...

Embodiment 2

[0039] (Experimental site B) After planting for 20 days, use the agent of the invention to spray the stems and leaves of centipede grass. Its main components are fulvic acid 4.2%, inositol 0.4%, and calcium acetate 95.4% according to the mass ratio. The agent becomes liquid suspension after blending with water In the future, spray the centipede grass every 15 days. After 3 months, the above-ground part was harvested for the first time, and every 2 months after growth, the stubble was harvested 5cm, and the tailings after harvesting were excavated. Finally, the arsenic content in the tailings was detected after 4 harvests. After analysis and determination, the arsenic content in the tailings was reduced from the original 17642mg / kg to 13547mg / kg, which is equivalent to reducing the arsenic content in the tailings by 23.2 %; After the harvested centipede grass is dried, the arsenic content is tested. After analysis, it is determined that 11.8g of arsenic can be recovered per 1kg ...

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Abstract

The invention relates to a chemical agent for preventing arsenic spreading pollution in arsenic-resistant plants. The chemical agent comprises the following components in percentages by mass: fulvic acid 3.2%-4.8%, inositol 0.2%-0.8% and calcium acetate 94.4%-96.6%, wherein the fulvic acid is a leaf diffuser; the inositol is a catalyst; and the calcium acetate is a main reaction substance. The invention further relates to a using method of the chemical agent. The using method comprises the following steps: laying arsenic-containing tailings or waste residues and spreading borrowed soil and a base fertilizer, after planting ciliate desert-grass, spraying the chemical agent to stems and leaves every 15-30 days, harvesting for the first time after the ciliate desert-grass grows for a period of time, harvesting again at set intervals, and remaining stubbles and turning and digging soil between the plants after harvesting every time. The calcium-containing chemical agent is sprayed on the arsenic-resistant plants, and reacts with an arsenic substance to generate calcium arsenate, thus, insects die due to acute poisoning after eating the stems and leaves of the plants, arsenic-containingdead bodies drop to tailings ground surrounding the plants, are turned into soil, and are absorbed by the plants again, and an effect of greatly reducing outward diffusion of arsenic is achieved.

Description

Technical field [0001] The invention belongs to the technical field of solid waste treatment, and specifically relates to a medicament for preventing arsenic transmission and pollution in arsenic-resistant plants and a method of use thereof. Background technique [0002] Arsenic is the main associated element in non-ferrous metal ores such as copper, lead, and antimony. The toxicity of arsenic can lead to environmental pollution, agricultural economic losses, excessive weight metal in water and other adverse environmental effects. Long-term exposure to arsenic-containing substances can cause poisoning and serious death. Under the current technical and economic conditions, a large amount of tailings will inevitably be produced while using mineral resources. In order to save costs, some remote areas or small enterprises only simply stack or bury the arsenic-containing tailings and waste residues left after mining. If a large amount of tailings is not properly treated, it will be v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/10C09K17/40
CPCB09C1/105B09C2101/00C09K17/40
Inventor 秦海辰
Owner 林西金易来砷业有限公司
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