Underground water nitrate treatment system and construction method thereof

A technology of treatment system and construction method, which is applied in the treatment of polluted groundwater/leachate, water/sewage treatment, adsorbed water/sewage treatment, etc., and can solve the problem that the treatment effect cannot meet the Grade III standard of groundwater quality.

Pending Publication Date: 2019-03-19
WATER RESOURCES RES INST OF SHANDONG PROVINCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, no matter whether it is in-situ treatment or pumping treatment, the treatment effect cannot meet the Class III standard of groundwater quality.

Method used

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  • Underground water nitrate treatment system and construction method thereof
  • Underground water nitrate treatment system and construction method thereof

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Effect test

Embodiment 1

[0031] This embodiment provides a groundwater nitrate treatment system, which includes an underground in-situ treatment system and a surface secondary parallel treatment system.

[0032] The underground in-situ treatment system includes a water supply well and clay piles and PRB material piles arranged around the water supply well; in this embodiment, firstly, according to the water supply scale and maximum flow rate of the water supply well, determine the interval between the clay piles and the PRB material piles The construction scale of the in-situ treatment system; according to the local stratum conditions, the position of the continuous clay layer is mastered, and the installation depth of the clay pile and the PRB material pile is determined, that is, a circle is drawn within a certain radius with the water supply well as the center line, and The arc of the circle is the center line, which determines the position of the PRB material pile and the clay pile.

[0033] Speci...

Embodiment 2

[0045] This embodiment provides a construction method for a groundwater nitrate treatment system, including an underground in-situ treatment system and a surface secondary parallel treatment system; the underground in-situ treatment system includes a water supply well and clay piles arranged around the water supply well And PRB material pile, for example described underground in-situ treatment system is the underground in-situ treatment system described in embodiment 1; Described construction method comprises:

[0046] According to the water supply scale and maximum flow of the water supply well, determine the construction scale of the in-situ treatment system with clay piles and PRB material piles;

[0047] According to the local stratum conditions, grasp the position of the continuous clay layer, and determine the installation depth of the clay pile and the PRB material pile, that is, take the water supply well as the center line, draw a circle within a certain radius, and ta...

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Abstract

The invention discloses an underground water nitrate treatment system and a construction method thereof. The underground water nitrate treatment system comprises an underground on-site treatment system and an earth surface secondary parallel treatment system. The underground on-site treatment system comprises a water supply well and a clay pile and a PRB material pile arranged around the water supply well. The earth surface secondary parallel treatment system comprises a water inlet pipe and a drainage pipe and a filter element module communicating the water inlet pipe and the drainage pipe. The filter element module is arranged in parallel. The water inlet pipe is connected to the water supply well. The underground water nitrate treatment system is suitable for a large area underground water nitrate polluted area and the groundwater depth is relatively shallow. Pre-treatment of a centralized or diffused water supply water source land is needed. After pre-treatment by the system, concentrations of nitrate, nitrite and ammonia and nitrogen in the underground water reach the type III standard of underground water quality.

Description

technical field [0001] The invention relates to a groundwater nitrate treatment system and a construction method thereof, which belong to the technical field of groundwater pollution treatment and are mainly used for treating nitrate in groundwater and nitrite and ammonia nitrogen produced by nitrogen conversion in groundwater. Background technique [0002] Due to the extensive use of pesticides and fertilizers in the process of agricultural planting and the large discharge of industrial sewage, the surface water continues to deteriorate, and the content of nitrate in groundwater increases. Groundwater in many areas of my country has been polluted by nitrates to varying degrees, especially in large-scale, centralized greenhouse vegetable planting areas, where the content of nitrates in groundwater exceeds the standard seriously. [0003] The restoration and treatment of groundwater nitrate is a worldwide problem. The treatment technology of groundwater nitrate is divided int...

Claims

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Application Information

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IPC IPC(8): C02F1/28C02F1/70C02F101/16C02F103/06
CPCC02F1/28C02F1/705C02F2101/163C02F2103/06
Inventor 陈学群管清花刘彩虹王爱芹李成光田婵娟李福林辛光明
Owner WATER RESOURCES RES INST OF SHANDONG PROVINCE
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