Iron-carbon microelectrolysis coupled submerged plant module and application thereof

A technology of iron-carbon micro-electrolysis and submerged plants, which is applied in the fields of water pollutants, electrochemical-biological combination treatment, water/sewage treatment, etc., and can solve problems such as secondary pollution, high cost, and unsatisfactory treatment effects

Inactive Publication Date: 2019-08-06
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the above-mentioned shortcomings and deficiencies of the existing technology, and solve the existing problems in the existing black and odorous / eutrophic water body treatment technology, such as unsatisfactory treatment effect, high cost, secondary pollution, and difficulty in ensuring long-term treatment effect, etc., At the same time, to overcome the biological-ecological method that needs to improve the habitat, and is restricted by seasons and available carbon sources, the primary purpose of the present invention is to provide an iron-carbon micro-electrolysis coupled submerged plant module

Method used

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  • Iron-carbon microelectrolysis coupled submerged plant module and application thereof
  • Iron-carbon microelectrolysis coupled submerged plant module and application thereof
  • Iron-carbon microelectrolysis coupled submerged plant module and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] An iron-carbon micro-electrolysis coupled submerged plant module, there are 6 bitter grass in the planting basket, the roots of the bitter grass are wrapped by 10g iron carbon filler, fixed with a kitchen floor drain bag, and fixed in the planting basket with 50g ceramsite, On the first day of the test, intermittent aeration was used for 4h, 2h / time.

[0031] Take 10L of black and odorous water in a simulated reaction device, the reaction device is a cylindrical plastic barrel (the barrel diameter is 30cm, and the height is 30cm), and 6 above-mentioned iron-carbon micro-electrolysis coupling submerged plant modules are put into the reaction device. At this time, the planting basket and submerged plants were completely submerged by the black and odorous water body.

[0032] The initial water quality index parameters of black and odorous water bodies are shown in Table 1. After 2 days, the chromaticity and odor threshold of black and odorous water body were significantly...

Embodiment 2

[0036] An iron-carbon micro-electrolysis coupled submerged plant module, there are 5 bitter grass in the planting basket, the roots of the bitter grass are wrapped by 5g iron carbon filler, fixed with a white floor drain bag such as a kitchen, and fixed in the planting basket with 60g ceramsite In the first day of the test, intermittent aeration was used for 6h, 3h / time.

[0037] Take 10L of black and odorous water in a simulated reaction device, the reaction device is a cylindrical plastic barrel (the barrel diameter is 30cm, and the height is 30cm), and 6 above-mentioned iron-carbon micro-electrolysis coupling submerged plant modules are put into the reaction device. At this time, the planting basket and submerged plants were completely submerged by the black and odorous water body.

[0038] The initial water quality index parameters of black and odorous water body are: COD is 105.62mg / L, ammonia nitrogen is 36.65mg / L, TP is 2.80mg / L, and DO is 0.35mg / L. After 2 days of tre...

Embodiment 3

[0040] An iron-carbon micro-electrolytic coupling submerged plant module, there are 4 bitter grass in the planting basket, the roots of the bitter grass are wrapped by 10g iron-carbon filler, fixed with a kitchen floor drain bag, and fixed in the planting basket with 80g ceramsite, On the first day of the test, intermittent aeration was used for 8h, 4h / time.

[0041] Take 10L of black and odorous water in a simulated reaction device, the reaction device is a cylindrical plastic barrel (the barrel diameter is 30cm, and the height is 30cm), and 6 above-mentioned iron-carbon micro-electrolysis coupling submerged plant modules are put into the reaction device. At this time, the planting basket and submerged plants were completely submerged by the black and odorous water body.

[0042] The initial water quality index parameters of black and odorous water body are: COD is 65.5mg / L, ammonia nitrogen is 23.25mg / L, TP is 2.54mg / L, and DO is 0.13mg / L. After 2 days of treatment, the col...

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Abstract

The invention discloses an iron-carbon microelectrolysis coupled submerged plant module and an application thereof. The module comprises a submerged plant system and an aeration system, the submergedplant system comprises planting baskets and submerged plants, the submerged plants are fixed in the planting baskets, the roots of the submerged plants are wrapped with an iron-carbon filler and are fixed, and the submerged plants are fixed in the planting baskets by ceramsite; and the aeration system is characterized by underground aeration or surface aeration. The iron-carbon microelectrolysis coupled submerged plant module is applied to the repairing of the black and odorous/eutrophic water to significantly reduce the chroma and odor thresholds of the black and odorous/eutrophic water within 2 d, and achieves no foul odor, significant increase of the transparency of the water, the COD removal rate of 70% or above, the ammonia nitrogen removal rate of 95% or above, the denitrification rate of 60% or above, the phosphorus removal rate of 95% or above, the dissolved oxygen concentration of 2.5-5.5 mg/L, the transparency of 35-70 cm and increase of the number of kinds of microorganismsin the water after 10 d.

Description

technical field [0001] The invention belongs to the field of black odor / eutrophication water body restoration, and particularly relates to an iron-carbon micro-electrolysis coupled submerged plant module and its application. Background technique [0002] Due to the rapid and extensive development of industry and agriculture and the lag in the rate of sewage collection and treatment, the water quality of many rivers and lakes in my country has deteriorated seriously, and a large number of pollutants have entered the river. The pollution is serious, and the water body appears seasonal or year-round black odor. The "black odor" of the river not only stimulates the senses and makes people feel unhappy, but also the gases emitted by the black and odorous water (oxygen sulfide, ammonia, etc.) can directly endanger human health. The fish and other aquatic organisms in the water grow and develop normally. In severe cases, it will lead to the death of a large number of aquatic organi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/32C02F3/34C02F101/10C02F101/16C02F101/20C02F101/30
CPCC02F1/288C02F1/46176C02F1/58C02F3/005C02F3/32C02F3/322C02F3/325C02F3/34C02F2101/105C02F2101/16C02F2101/163C02F2101/20C02F2101/30C02F2103/007C02F2303/02
Inventor 陈超胡勇有谢玲彩
Owner SOUTH CHINA UNIV OF TECH
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