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Method for removing antimony pollution by using plant miscanthus sinensis anderss

A technology for plants and contaminated areas, applied in the field of phytoremediation, can solve the problems of difficult to find and remediate plants, animals and microorganisms, difficult soil storage and treatment, large engineering workload, etc., and achieves strong operability and does not cause secondary pollution , the effect of strong adaptability

Inactive Publication Date: 2016-02-10
袁艺宁 +1
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Problems solved by technology

[0003] Countries all over the world attach great importance to the treatment of heavy metal pollution. The traditional heavy metal soil treatment methods mainly include physical methods, chemical methods, and biological methods. Physical methods include guest soil, soil replacement, topsoil removal, and deep plowing. , the excavated soil is difficult to store and handle
The chemical method is fast and efficient, but there are problems such as secondary pollution
Biological methods include phytoremediation, animal remediation, and microbial remediation. This measure has disadvantages such as difficulty in finding plants, animals, and microorganisms that can be used for remediation.

Method used

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  • Method for removing antimony pollution by using plant miscanthus sinensis anderss

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Embodiment Construction

[0015] The awns grown naturally in antimony-contaminated soil in an antimony-polluted area in Hunan were used for experimental research. Under the antimony-polluted environment, when the awn plants grow to maturity, the whole plant, including its above-ground and underground parts, was harvested and removed. Randomly collect 6 awns and the soil corresponding to their growth, and use the following method to process and measure the antimony content in them. This method can be briefly described as natural air drying of samples - nitric acid + perchloric acid digestion and constant volume - ICP determination. The specific operation process is as follows : Process and store the collected awns according to the plants, first clean them with tap water, rinse them with distilled water, and air-dry them, divide them into aerial parts and underground parts according to the plants, and cut the aboveground parts and underground parts into small pieces with scissors according to the plants (a...

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Abstract

The invention relates to the technology of phytoremediation for curbing environmental pollution, in particular to a method for curbing antimony pollution by using plants, and specifically discloses a method for curbing antimony pollution by using plant miscanthus sinensis anderss. According to the method for curbing antimony pollution by using the plant miscanthus sinensis anderss, the miscanthus sinensis anderss is planted in the environment where antimony pollution exists, the gathering ability to antimony of the miscanthus sinensis anderss in the natural growth process is used, and the antimony in the environment is transferred into the plant bodies; when the miscanthus sinensis anderss plants mature, the whole plants or the overground parts of the plants are reaped and removed from the polluted environment, so that the purpose of removing antimony pollution in the environment is achieved.

Description

technical field [0001] The invention relates to a phytoremediation technology for removing polluted environment, in particular to a method for using plants to remove heavy metal pollution. Background technique [0002] Antimony is an extremely important non-ferrous metal that can be used in many light and heavy industries and is regarded as one of the global strategic resources. my country's antimony ore reserves and output both rank first in the world, and 90% of the global demand for antimony is supplied by China. Antimony metal is used in a small amount, while antimony-containing alloys and antimony compounds are widely used. At present, the largest use of antimony resources is flame retardant. According to the World Mineral Resources Annual Review, in the antimony consumption structure, flame retardants accounted for 55%, transportation (including automotive batteries) accounted for 18%, chemicals accounted for 10%, ceramics and glass accounted for 7%, and others accoun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/00C02F3/32B01D53/84B01D53/64C02F101/20
CPCY02A50/20Y02W10/10
Inventor 袁艺宁卢明
Owner 袁艺宁
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