Carbon fiber-based mine wastewater treatment system and groundwater decontamination process

A technology for processing system and mine wastewater, applied in mining wastewater treatment, contaminated groundwater/leachate treatment, multi-stage water treatment, etc., can solve high operating costs, complex process flow, manganese sand filter bed microbial membrane oxidation treatment Limited efficiency and other issues, to achieve the effect of reducing operating costs and saving operating costs

Active Publication Date: 2019-09-24
武汉环天禹生物环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The technological process is still relatively complicated, and the operating cost is also high; on the other hand, it is difficult for divalent manganese to be quickly oxidized to MnO in the filter layer 2 However, it is attached to the filter material to form a manganese active filter membrane, and the formation period of the system's biological manganese removal ability is relatively long. It generally takes more than three months to start. In practical applications, due to frequent backwashing, the biofilm is destroyed as soon as it grows. Therefore, the oxidation treatment efficiency of the microbial membrane on the manganese sand filter bed is very limited, and the manganese removal effect is even more unstable.

Method used

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  • Carbon fiber-based mine wastewater treatment system and groundwater decontamination process
  • Carbon fiber-based mine wastewater treatment system and groundwater decontamination process
  • Carbon fiber-based mine wastewater treatment system and groundwater decontamination process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] Embodiment 1: Utilize the above-mentioned water treatment device with falling water aeration, PH adjustment system, carbon fiber ecological belt 19 or carbon fiber ecological grass 16 and reaction tank as main structures, can realize groundwater aeration and oxygenation, dosing, stirring, sedimentation , microbial degradation, photocatalytic oxidation and other comprehensive water treatment effects. The water inlet and outlet are connected by rubber pipes and cement pipes. The m-high decanter 23 drains water, which can effectively solve the separation of clean water and pollutants under the condition of low investment. If the treatment scale is 1000 tons / day of groundwater, 100-200 carbon fiber ecological belts 19 need to be installed. When the scale is increased, the number of carbon fiber ecological belts 19 can be increased proportionally. Embodiment 1 can realize the degradation and removal of organic pollution and nitrogen and phosphorus pollution of groundwater ca...

Embodiment 2

[0068] Example 2: Using the above-mentioned experimental device with aeration and oxygenation system, pH adjustment system, carbon fiber ecological belt 19 and reaction tank as the main structures, aeration and oxygenation, dosing, stirring, precipitation, microbial degradation, photocatalysis can be realized Oxidation, algae field absorption and other comprehensive water treatment effects, in the primary and secondary carbon fiber contact oxidation pool 7, carbon fiber bags can also be suspended to add photocatalysts such as black phosphorus or titanium dioxide. The purpose is to improve the effective treatment of mine wastewater containing heavy metals in groundwater.

Embodiment 3

[0069] Embodiment 3: Utilize above-mentioned device and take aeration and oxygenation system, PH adjustment system, carbon fiber ecological grass 16 and reaction tank as the experimental device of main structure, can realize aeration and oxygenation, dosing, stirring, sedimentation, microbial degradation, light Catalytic oxidation and other comprehensive water treatment effects can effectively remove the pollution of petrochemical mining and processing wastewater to groundwater, and have good removal and conversion effects on volatile phenols, petroleum, COD, ammonia nitrogen, and phenols.

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Abstract

The invention discloses a carbon fiber-based mine wastewater treatment system and a groundwater decontamination process. The mine wastewater treatment system comprises a falling water aeration tank, a dosing tank, a primary sedimentation tank and multiple stages of carbon fiber contact oxidation tanks which are connected in series, wherein the falling water aeration tank, the dosing tank, the primary sedimentation tank and the carbon fiber contact oxidation tanks are connected sequentially, the dosing tank is used for adding a pH adjusting agent, the water inlet of the first-stage carbon fiber contact oxidation tank is connected with the water outlet of the primary sedimentation tank, and is provided with a decanter, and the water outlet of the last-stage carbon fiber contact oxidation tank is connected with a river channel or ditches; and the carbon fiber contact oxidation tanks are also provided with sludge discharge pipes and gates, each stage of the carbon fiber contact oxidation tanks is provided with a carbon fiber water purification system, and biofilm and algae fields which are formed by the carbon fiber water purification systems have the functions of retention, adsorption, adhesion, bridging, flocculation, bio-oxidation and bio-enzyme catalytic oxidation of wastewater. Iron manganese oxide which is a product of carbon fiber purification and treatment of wastewater is adopted as a catalyst, the operation cost is low, the decontamination effect is good, and the system is suitable for treatment of large-scale mine wastewater and groundwater sewage.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, and relates to a groundwater or mining waste water treatment technology, in particular to a mine waste water treatment system and a sewage treatment process based on carbon fiber water purification products. Carbon fiber, microbial film, photocatalytic oxidation, and biological enzyme catalytic oxidation technology are combined to treat various polluted mine wastewater and groundwater. Background technique [0002] As a precious freshwater resource for human beings, groundwater is an important source of recharge for river reservoirs and an important water source in northern regions. With the development of modern society, the increase of population, and the process of industrialization, groundwater has been polluted to varying degrees. On the one hand, it is natural pollution, and on the other hand, it comes from man-made pollution sources. Since the 1960s, groundwater pollution has gra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F103/10C02F103/06
CPCC02F9/00C02F7/00C02F1/66C02F1/52C02F3/106C02F3/34C02F3/342C02F3/005C02F1/725C02F1/30C02F3/322C02F2203/006C02F2301/08C02F2305/10C02F2209/06C02F2209/08C02F2209/14C02F2103/10C02F2103/06
Inventor 王力李兰
Owner 武汉环天禹生物环保科技有限公司
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