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A soil remediation agent for neutralizing heavy metals in soil by insect virus protein

A soil remediation agent and insect virus technology, which is applied in the field of soil remediation agents for insect virus proteins and soil heavy metals, can solve problems such as poor fixative effect, and achieve the effects of convenient production, high adsorption effect, and long durability.

Active Publication Date: 2017-11-24
JIANGXI NEW DRAGON BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chemical fixatives are often ineffective, and are easy to introduce other metal pollution as secondary pollution, such as using alkaline substances and phosphates to fix heavy metals, which are easy to re-desorb due to environmental changes

Method used

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  • A soil remediation agent for neutralizing heavy metals in soil by insect virus protein
  • A soil remediation agent for neutralizing heavy metals in soil by insect virus protein

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Brassica oleracea larvae were infected with Brassica oleracea nuclear polyhedrosis virus. The virus replicates in the larvae, and the larvae drown in water and die. Collect worm carcasses, which contain a large number of virus particles. The carcass of the worm is ground to obtain the mother solution of the cabbage armyworm nuclear polyhedrosis virus. Fully mix 10 grams of potassium dihydrogen phosphate, 20 grams of calcium carbonate, and 10 grams of sodium silicate, and pulverize and stir with a pulverizer to obtain a mixture 1. Add 5 grams of Cabbage Spodoptera nuclear polyhedrosis virus to 55 grams of peat, and mix well to obtain mixture 2. Mix mixture 1 and mixture 2 evenly to prepare 100 grams of soil heavy metal neutralizer.

[0030] Take 1000 grams of cadmium, lead, copper, mercury contaminated soil. Add 10 grams of insect virus soil remediation agent prepared above, mix evenly with the soil sample, add 100 grams of water, and stir evenly. Sampling was taken...

Embodiment 2

[0032] Cotton bollworm larvae were infected with the cotton bollworm nuclear polyhedrosis virus. The virus replicates in the larvae, and the larvae drown in water and die. Collect worm carcasses, which contain a large number of virus particles. Grinding the carcass of the worm to obtain the mother solution of the nuclear polyhedrosis virus of the cotton bollworm. 10 grams of potassium dihydrogen phosphate, 15 grams of calcium carbonate, and 15 grams of sodium silicate were thoroughly mixed, pulverized and stirred with a pulverizer to obtain a mixture 1. 5 grams of nuclear polyhedrosis virus of cotton bollworm was added to 55 grams of peat, and mixed evenly to obtain mixture 2. Mix mixture 1 and mixture 2 evenly to prepare 100 grams of soil heavy metal neutralizer.

[0033] Take 1000 grams of cadmium, lead, copper, mercury contaminated soil. Add 10 grams of insect virus soil remediation agent prepared above, mix evenly with the soil sample, add 100 grams of water, and stir ...

Embodiment 3

[0035]Cutworm larvae were infected with cutworm nuclear polyhedrosis virus. The virus replicates in the larvae, and the larvae drown in water and die. Collect worm carcasses, which contain a large number of virus particles. The carcass of the worm is ground to obtain the cutworm nuclear polyhedrosis virus mother solution. Mix 10 grams of potassium dihydrogen phosphate, 15 grams of calcium carbonate, and 20 grams of sodium silicate, and pulverize and stir with a pulverizer to obtain a mixture 1. Add 5 grams of cutworm nuclear polyhedrosis virus to 50 grams of peat, and mix well to obtain mixture 2. Mix mixture 1 and mixture 2 evenly to prepare 100 grams of soil heavy metal neutralizer.

[0036] Take 1000 grams of cadmium, lead, copper, mercury contaminated soil. Add 10 grams of insect virus soil remediation agent prepared above, mix evenly with the soil sample, add 100 grams of water, and stir evenly. Sampling was taken on the 1st, 2nd, 5th, 7th, and 14th day respectively,...

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Abstract

The invention discloses a soil repairing agent for neutralizing soil heavy metal with insect viral protein. The soil repairing agent comprises the following ingredients, by weight, 0.5-5% of insect nuclear polyhedrosis virus granular mother liquor, 35-55% of grass carbon, 5-10% of potassium dihydrogen phosphate, 5-20% of calcium carbonate and 5-20% of sodium silicate. Insect viral protein has an efficient repairing effect on heavy metal in soil. In addition, source of each ingredient is natural. The soil repairing agent is highly safe to the environmental, and secondary pollution will not be caused. The soil repairing agent is convenient to manufacture, and costs are low.

Description

technical field [0001] The invention relates to soil heavy metal treatment technology, in particular to a soil restoration agent for neutralizing soil heavy metal with insect virus protein. Background technique [0002] Due to the disorderly development of the mining industry, a large amount of heavy metal pollution in my country's land has exceeded the standard. According to statistics, one-fifth of my country's arable land has heavy metal content in the soil that exceeds the standard and is not suitable for farming. [0003] Heavy metals in soil are divided into free heavy metals and fixed heavy metals. The total amount of heavy metals in soil is not directly related to the harm of heavy metals in soil. Plant roots can only absorb free heavy metals, but cannot absorb fixed heavy metals. Free heavy metals are usually called effective heavy metals, usually in ionic state or dissolved state, such as water-soluble cadmium ions, lead ions, copper ions, mercury ions, etc. Bec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K17/00B09C1/08
CPCB09C1/08C09K17/00
Inventor 邓方坤
Owner JIANGXI NEW DRAGON BIOTECH
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