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Preparation method of red soil-based macromolecular anti-seepage material

A polymer-based, anti-leakage technology, applied in the field of composite materials and water-saving irrigation, can solve the problems of material environmental risks, harsh laying conditions, water resources deterioration, etc., achieve a good growth environment, avoid water quality deterioration, and increase cohesion. Effect

Inactive Publication Date: 2019-09-13
NORTHWEST NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although these anti-seepage materials have a certain anti-seepage effect, they have defects such as harsh laying conditions, high prices, environmental risks in materials, and easy deterioration of water resources.

Method used

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  • Preparation method of red soil-based macromolecular anti-seepage material
  • Preparation method of red soil-based macromolecular anti-seepage material
  • Preparation method of red soil-based macromolecular anti-seepage material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1, preparation and performance of laterite-based hydroxypropyl guar gum anti-leakage material

[0035] Take a certain amount of laterite, add 0.80% hydroxypropyl guar gum by mass, mix evenly, add distilled water with 30% mass of laterite, stir for 40 min at a stirring speed of 400 r / min, and then press it into a thickness of 2 cm barrier, dry. At 1200 hours, the water leakage of pure laterite was as high as 53.7g, but no leakage occurred in the laterite-based anti-seepage material.

[0036] According to the national standard GB 5749-2006, the water quality of the prepared anti-seepage material storage water was tested, pH: 6.7; turbidity: 3 degrees; COD Mn : 2.5mg / L; all indicators have reached the national standard.

Embodiment 2

[0037] Example 2. Preparation and Performance Test of Laterite-Based Artemisia Gum Anti-leakage Material

[0038] Take a certain amount of laterite, add 1.20% of the mass of artemisia gum, mix well, add distilled water with 25% of the mass of laterite, stir for 40 min at a stirring speed of 400 r / min, and then press to form a barrier layer with a thickness of 2 cm ,dry. At 1000 hours, the water leakage of pure laterite was as high as 53.7g, but no water leakage occurred in the laterite-based anti-seepage material.

[0039] According to the national standard GB 5749-2006, the water quality of the prepared anti-seepage material storage water was tested, pH: 6.5; turbidity: 3 degrees; COD Mn : 3.5mg / L; all indicators have reached the national standard.

Embodiment 3

[0040] Example 3. Preparation and performance test of laterite-based squat gum anti-leakage material

[0041] Take a certain amount of laterite, add 1.0% of the mass of safflower gum, mix evenly, add distilled water with 20% of the mass of laterite, stir for 40 min at a stirring speed of 400 r / min, and then press to form a barrier layer with a thickness of 2 cm ,dry. At 1100 hours, the water leakage of pure laterite was as high as 53.7g, but no water leakage occurred in the laterite-based anti-seepage material.

[0042] According to the national standard GB 5749-2006, the water quality of the prepared anti-seepage material storage water was tested, pH: 6.3; turbidity: 3 degrees; COD Mn : 3.0mg / L; All indicators have reached the national standard.

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Abstract

The invention discloses a preparation method of a red soil-based macromolecular anti-seepage material. The method includes: mixing red soil with biogum powder evenly, adding distilled water and performing stirring for full mixing, carrying out reaction at room temperature for 10-15h, then conducting compression moulding, and performing drying to obtain a red soil-based macromolecular anti-seepagematerial interlayer. The method adopts natural red soil as the raw material, and can well reduce the production cost of the red soil-based macromolecular anti-seepage material; as a red soil structural improver or stabilizer, the biogum can increase the bonding force among red soil particles, reduce the gaps among the particles, and prevent seepage of accumulated water; the red soil-based macromolecular anti-seepage material has good soil layer compatibility, can effectively prevent seepage of accumulated water, and avoid secondary pollution of water quality deterioration and the anti-seepagematerial to the environment.

Description

technical field [0001] The invention relates to a preparation method of an anti-leakage material, in particular to a preparation method of a laterite-based polymer anti-leakage material, and belongs to the fields of composite materials and water-saving irrigation. Background technique [0002] The shortage of fresh water resources is a serious problem facing the world. Northwest China is deeply inland, accounting for 35.9% of the country's area, while the total water resources only account for 5.7% of the country's total. Northwest China belongs to the continental arid and semi-arid climate zone, and the climate is dry all year round. The average rainfall in most areas is below 400mm, but the evaporation on the water surface is as high as 1000~2800mm. scarcity. Moreover, the northwest region is also the region with the largest temporal and spatial variability in my country. The rainfall is mainly concentrated in summer and autumn, and there are many heavy rains, which are ...

Claims

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Application Information

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IPC IPC(8): C04B26/28
CPCC04B26/28C04B2111/00293C04B2111/00758C04B2111/00775C04B14/361
Inventor 雷自强刘晓梅程莎赵俊吉仇雪雁
Owner NORTHWEST NORMAL UNIVERSITY