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Purification Method of rainwater runoff pollutants and purification material containing quartz sand

A technology for purifying materials and pollutants, used in water pollutants, chemical instruments and methods, water/sewage treatment, etc. Simple and effective removal ability

Pending Publication Date: 2018-09-04
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current research on porous cement concrete is still in its infancy in terms of the purification performance and influence rules of rainwater runoff pollution. Although porous cement concrete has a good purification effect on suspended solids, it is not effective for ammonia nitrogen pollutants and total phosphorus. Pollutants have almost no effective purification ability, let alone effectively solve the pollution problems of different environments

Method used

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  • Purification Method of rainwater runoff pollutants and purification material containing quartz sand
  • Purification Method of rainwater runoff pollutants and purification material containing quartz sand
  • Purification Method of rainwater runoff pollutants and purification material containing quartz sand

Examples

Experimental program
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Effect test

Embodiment 1

[0093] The method for purifying rainwater runoff pollutants in this embodiment includes the following steps:

[0094] (1) Place a plastic plate with a round hole (1mm in diameter) at one-third of the distance from the bottom of the plastic cylindrical barrel, and place quartz sand on top of the round hole plastic plate, with a particle size of 1.5mm and a specific surface area of ​​400m 2 / g, the height is 3cm;

[0095] (2) The particle size is 5mm and the specific surface area is 200m on the quartz sand 2 / g, a porous cement concrete aggregate with a diameter of 10 cm and a height of 5 cm (formed from basalt);

[0096] (3), flowing the prepared rainwater runoff pollutant water sample into the porous cement concrete aggregate and quartz sand to obtain the first quartz sand purification solution.

[0097] Among them, the particle size of quartz sand is within 1.1-1.9mm, and the specific surface area is 100-800m 2 / g is allowed.

[0098] The particle size of porous cement co...

Embodiment 2

[0100] The method for purifying rainwater runoff pollutants in this embodiment includes the following steps:

[0101] (1) Place a plastic plate with a round hole (1mm in diameter) at one-third of the distance from the bottom of the plastic cylindrical barrel, and place quartz sand on top of the round hole plastic plate, with a particle size of 1.5mm and a specific surface area of ​​400m 2 / g, the height is 3cm;

[0102] (2) The particle size is 5mm and the specific surface area is 200m on the quartz sand 2 / g, a porous cement concrete aggregate with a diameter of 10 cm and a height of 5 cm (formed from basalt);

[0103] (3), slowly flowing the prepared phosphate standard solution through the porous cement concrete aggregate and quartz sand to obtain the second quartz sand purification solution.

Embodiment 3

[0105] The method for purifying rainwater runoff pollutants in this embodiment includes the following steps:

[0106] (1) Place a plastic plate with a round hole (1mm in diameter) at one-third of the distance from the bottom of the plastic cylindrical barrel, and place quartz sand on top of the round hole plastic plate, with a particle size of 1.5mm and a specific surface area of ​​400m 2 / g, the height is 3cm;

[0107] (2) The particle size is 5mm and the specific surface area is 200m on the quartz sand 2 / g, a porous cement concrete aggregate with a diameter of 10 cm and a height of 5 cm (formed from basalt);

[0108] (3), slowly flowing the prepared ammonia nitrogen standard working solution through the porous cement concrete aggregate and quartz sand to obtain the third quartz sand purification solution.

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Abstract

The invention provides a purification method of rainwater runoff pollutants and a purification material containing quartz sand. The purification method comprises: the rainwater runoff pollutants are purified by adding water purification filter material quartz sand and porous cement concrete aggregate; the water purification filter material quartz sand is laid below the porous cement concrete aggregate; the rainwater runoff pollutants comprise suspended solids, ammonia nitrogen pollutants and total phosphorus pollutants; and the purification material comprises the porous cement concrete aggregate and the quartz sand laid below the porous cement concrete aggregate. By adding the water purification filter material quartz sand, the purification effect of the porous cement concrete aggregate onthe rainwater runoff pollutants is improved, especially the purification effect on the ammonia nitrogen pollutants and the total phosphorus pollutants is greatly improved. Therefore, the purificationmethod can directly and effectively improve the purification effect of the porous cement concrete, and can flexibly cope with the environment of different pollutants, thereby effectively alleviatingthe pollution problem of runoff sewage.

Description

technical field [0001] The invention belongs to the technical field of rainwater pollution, and in particular relates to a method for purifying rainwater runoff pollutants and a purification material containing quartz sand. Background technique [0002] At present, the global water resources are scarce, the environment is deteriorating, and the demand for ecological civilization construction is increasing. Therefore, research on the water purification performance of green and environmentally friendly porous pavement materials can make porous pavement effective in water resource conservation, ecological sustainability and environmental protection. Protection etc. play a role. The main requirement for porous permeable pavements in cities near the sea is that rainwater can infiltrate into the soil or flow back into rivers to make full use of water resources through permeable pavement, so that rainwater recycling can turn waste into treasure. However, the current research on po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/28B01J20/10C02F101/10C02F101/16
CPCB01J20/10C02F1/283C02F2101/105C02F2101/16C02F2103/001
Inventor 李辉梁霄林思劼于天宇张恒基谢宁
Owner TONGJI UNIV
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