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A device for synchronous power generation and sewage purification using steel slag as an anode

A technology for sewage purification and steel slag, which is applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, energy and waste water treatment, etc.

Active Publication Date: 2017-11-24
INST OF AQUATIC LIFE ACAD SINICA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no report on the research on steel slag used as anode material of CW-MFC system at home and abroad

Method used

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  • A device for synchronous power generation and sewage purification using steel slag as an anode

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Experimental program
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Effect test

Embodiment 1

[0031] Such as figure 1 As shown, a device for synchronous power generation and sewage purification using steel slag as an anode uses a cylindrical PVC pipe (H=70cm, D=15cm) as an upward vertical flow artificial wetland, and the upward vertical flow artificial wetland includes bottom non- The conductive filler layer 1, the steel slag anode layer 2, the current collector 3, the upper non-conductive filler layer 4, the cathode layer 6, the wire 7, the resistance box 8 and the wetland plants 5, and the bottom non-conductors are arranged sequentially from bottom to top in the vertical flow constructed wetland. Conductive filler layer 1, steel slag anode layer 2, upper non-conductive filler layer 4 and cathode layer 6, current collector 3 is embedded in steel slag anode layer 2, current collector 3 and cathode layer 6 are connected by wire 7 and resistance box 8 respectively In a closed loop, wetland plants 5 are planted in the upper non-conductive filler layer 4 through the cathod...

Embodiment 2

[0037] A device for synchronous power generation and sewage purification using steel slag as an anode, using a cylindrical PVC pipe (H=70cm, D=15cm) as an upward vertical flow artificial wetland, and the upward vertical flow artificial wetland includes a bottom non-conductive filler layer 1. Steel slag anode layer 2, upper non-conductive filler layer 4, cathode layer 6, wire 7, resistance box 8 and wetland plants 5, bottom non-conductive filler layer 1, steel slag anode layer are arranged in sequence from bottom to top in the vertical flow artificial wetland 2. The upper non-conductive filler layer 4 and the cathode layer 6, the current collector 3 is buried in the steel slag anode layer 2, the current collector 3 and the cathode layer 6 are respectively connected to the resistance box 8 through the wire 7 to form a closed circuit, and the wetland plants 5 pass through The cathode layer 6 is planted in the upper non-conductive filler layer 4 , the water inlet pipe is arranged a...

Embodiment 3

[0043] A device for synchronous power generation and sewage purification using steel slag as an anode, using a cylindrical PVC pipe (H=70cm, D=15cm) as an upward vertical flow artificial wetland, and the upward vertical flow artificial wetland includes a bottom non-conductive filler layer 1. Steel slag anode layer 2, upper non-conductive filler layer 4, cathode layer 6, wire 7, resistance box 8 and wetland plants 5, bottom non-conductive filler layer 1, steel slag anode layer are arranged in sequence from bottom to top in the vertical flow artificial wetland 2. The upper non-conductive filler layer 4 and the cathode layer 6, the current collector 3 is buried in the steel slag anode layer 2, the current collector 3 and the cathode layer 6 are respectively connected to the resistance box 8 through the wire 7 to form a closed circuit, and the wetland plants 5 pass through The cathode layer 6 is planted in the upper non-conductive filler layer 4 , the water inlet pipe is arranged a...

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Abstract

The invention discloses a synchronous power generation and sewage purification device using steel slag as an anode. Steel slag is used as a battery anode filler and embedded in a vertical flow artificial wetland system as a filler to form a new type of microbial fuel cell and artificial wetland coupling. Structural approach. The system is laid from bottom to top with the bottom non-conductive filler layer, the steel slag anode layer, the current collector inserted in the steel slag anode layer, the upper non-conductive filler layer, the wetland plants planted in the non-conductive filler layer, and the upper cathode layer, where the cathode layer and the anode layer are respectively connected to the resistance box through wires to form a closed loop. The steel slag electrode is buried in the anode of the microbial fuel cell and coupled with the vertical flow artificial wetland at the same time to realize the dual effects of synchronous power generation and sewage purification, improve the electron transmission efficiency of the anode, reduce the internal resistance of the battery, improve the power generation performance, and solve the problem of water quality at the same time There is an acidification problem.

Description

technical field [0001] The invention belongs to the field of sewage treatment, and in particular relates to a device for synchronous electricity production and sewage purification using steel slag as an anode, which realizes electricity production and sewage purification by coupling a vertical flow constructed wetland with a microbial fuel cell. Background technique [0002] The energy crisis and environmental pollution, as well as the resulting social and climate problems, have become the focus of attention all over the world. The development of clean energy and circular economy based on the principle of "reduction, recycling and reuse" is an important way to build a resource-saving and environment-friendly society and achieve sustainable development. The development and utilization of clean energy such as solar energy, nuclear energy, wind energy, and biomass energy is an inevitable choice to replace traditional energy and solve the energy crisis, and it is also a strategi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14
CPCY02W10/33Y02W10/37
Inventor 吴振斌肖恩荣周银许丹武俊梅徐栋贺锋周巧红张义
Owner INST OF AQUATIC LIFE ACAD SINICA