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Method for controlling accumulation of heavy metal in turfgrass by means of siduron and carbon nano tube interlayer

A technology of carbon nanotubes and heavy metals, applied in horticultural methods, botanical equipment and methods, applications, etc., can solve problems such as pollution, enhanced activity of heavy metals, and increased risk of leaching

Inactive Publication Date: 2015-09-16
TIANJIN NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The addition of Siduron also increases the content of heavy metals in the leachate, enhances the activity of heavy metals, increases the risk of leaching, and causes certain pollution to groundwater

Method used

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  • Method for controlling accumulation of heavy metal in turfgrass by means of siduron and carbon nano tube interlayer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] The method of using Siduron and carbon nanotube interlayer to regulate the accumulation of heavy metals in turfgrass:

[0059] (1) Under natural light, use PVC pipes, Φ=3cm, h=25cm, wrap the lower end of each PVC pipe with gauze, put 10g of sand passing through a 1mm sieve, and then place the interlayer on the sand, with a height of 5cm. Finally, 160g of compost is placed on the interlayer, and 0.3g of tall fescue seeds soaked 24 hours in advance are sprinkled in each PVC pipe, and all PVC pipes are watered with tap water every morning and evening and the water content is adjusted by weighing method; The water content of the mixture was kept at 60% of its maximum water holding capacity, the indoor temperature and relative humidity were 19°C and 41%, respectively, and the light intensity was 600

[0060] (2) Interlayer material: Carrier material dry weight 5g, carbon nanotube dry weight 2g, mix evenly, the total height of the interlayer is 5 cm, then add 20mmol / kg Sidu...

Embodiment 2

[0063] The method of using Siduron and carbon nanotube interlayer to regulate the accumulation of heavy metals in turfgrass:

[0064] (1) Under natural light, use PVC pipes, Φ=3cm, h=25cm, wrap the lower end of each PVC pipe with gauze, put 10g of sand passing through a 1mm sieve, and then place the interlayer on the sand, with a height of 5cm, Finally, 160g of compost is placed on the interlayer, and 0.3g of tall fescue seeds soaked 24 hours in advance are sprinkled in each PVC pipe, and all PVC pipes are watered with tap water every morning and evening and the water content is adjusted by weighing method; The water content of the mixture is kept at 60% of its maximum water holding capacity, the indoor temperature and relative humidity are 24°C and 58%, respectively, and the light intensity is 850

[0065] (2) Interlayer material: Carrier material dry weight 5g, carbon nanotube dry weight 2g, mix evenly, the total height of the interlayer is 5 cm, then add 20mmol / kg Siduron...

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Abstract

The invention discloses a method for controlling accumulation of heavy metal in turfgrass by means of siduron and a carbon nano tube interlayer. According to the method, an oxidization modified carbon nano tube is taken as the interlayer to reduce underground seeping of heavy metal after siduron and compost compound heavy metal are coupled and provide important technical support for dealing with heavy metal coupling pollution by means of the modified carbon nano tube. Experimental results prove that under the action of siduron, the modified carbon nano tube mixed interlayer is added to increase the amount of heavy metal in the overground part of festuca arundinacea, and the total amount of percolate heavy metal in the modified carbon nano tube interlayer is reduced compared with a matched group. Due to the adding of the modified carbon nano tube, the risk that heavy metal immigrates into underground water is reduced to a certain degree, and technical support is provided for actual application of the method.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and relates to a method for regulating the accumulation of heavy metals in turfgrass by using Siduron and a carbon nanotube interlayer. Background technique [0002] Household garbage is a general term for the solid waste discharged in the daily life of urban people. Composting technology is mostly used in the treatment of urban household garbage in my country. Municipal solid waste compost contains phosphorus, nitrogen, potassium and organic matter and other nutrients needed for plant growth, and can be used as organic fertilizer in agriculture. The nutrients in the garbage compost can increase the organic matter content of the nutrients by 11.81%-72.12%. Studies have shown that the application of domestic waste compost can significantly increase the yield of Chinese cabbage. The study found that using domestic waste compost as a substrate to plant tea trees increased producti...

Claims

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Application Information

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IPC IPC(8): A01G31/00A01G7/06
Inventor 赵树兰多立安齐帅
Owner TIANJIN NORMAL UNIVERSITY
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