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Apparatus and method for evaluating organic pollution condition of water quality by utilizing microbial fuel cell

A fuel cell and organic pollution technology, applied in biochemical fuel cells, testing organic pollutants in water, measuring devices, etc., can solve the problems of high cost, complex structure, cumbersome operation steps, etc., achieve strong applicability, avoid device damage damage, simple structure of the device

Pending Publication Date: 2018-05-08
NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Purpose of the invention: In order to overcome the deficiencies in the prior art, the main problem in the monitoring of organic wastewater in the prior art is that there is no device fully suitable for in-situ real-time monitoring, and the devices in the prior art are not conducive to field operations, and the operation The steps are cumbersome and the structure is complicated; the existing traditional methods for evaluating organic wastewater cannot efficiently, long-term, timely, and stably evaluate organic wastewater. The new technology has complicated management steps, high experimental accuracy requirements, and high cost, which is not conducive to long-term development.

Method used

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  • Apparatus and method for evaluating organic pollution condition of water quality by utilizing microbial fuel cell

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Effect test

Embodiment 1

[0038] A kind of device that utilizes microbial fuel cell to evaluate the organic pollution situation of water quality of the present embodiment, refer to figure 1 , including microbial fuel cell devices, water inlet devices, water outlet devices, current monitoring devices, and device bodies;

[0039] The device body 1 with an open top, the device body 1 is fixedly installed on the outside of the wastewater, and the device body 1 is used to monitor the quality of the wastewater;

[0040] Water inlet pipe 2, one end of the water inlet pipe 2 is placed in the waste water, the other end of the water inlet pipe 2 is connected with the device body 1, and one end of the water inlet pipe 2 is extended to 1-2m below the surface of the waste water, and a peristaltic pump 8 is provided on the water inlet pipe 2 , by turning on the peristaltic pump 8, the waste water will enter the device body 1 through the water inlet pipe 2 to ensure that the waste water in the device body 1 is update...

Embodiment 2

[0044] A kind of device that utilizes microbial fuel cell to evaluate the organic pollution situation of water quality of the present embodiment, refer to figure 1 , based on the first embodiment, also includes an airtight thermostatic device 10 and a remote monitoring device 14;

[0045] The airtight constant temperature device, considering that the temperature is too high or too low will affect the accuracy of the current monitoring device, in order to reduce or avoid errors in the reading of the electricity production value, it is necessary to place the current monitoring device 6 in the airtight constant temperature device 10, airtight The temperature inside the constant temperature device 10 needs to be kept at around 20-25°C;

[0046] The remote monitoring device 14, in order to realize the timely evaluation of the wastewater, the current monitoring device 6 is placed in the airtight constant temperature device 10, the remote monitoring device 14 is connected with the cu...

Embodiment 3

[0048] A kind of device that utilizes microbial fuel cell to evaluate the organic pollution situation of water quality of the present embodiment, refer to figure 1 , based on the second embodiment, the anode chamber 4 and the cathode chamber 5 are all made of graphite felt electrodes, and the outside of the graphite felt electrodes are coated with stainless steel mesh, and the cathode chamber 5 and the anode chamber 4 are all made of graphite felt electrodes of 10×10×5mm. Graphite felt electrodes are uniformed and 12-15 mesh stainless steel mesh is used as a collector to speed up the electron transfer rate;

[0049] To treat different organic waste water, appropriate distance between cathode and anode is required. The main organic waste water to be treated includes groundwater, domestic waste water, livestock waste water and industrial waste water. The distance between anode chamber 4 and cathode chamber 5 is set within 20-50cm; The principle of microbial degradation in organi...

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Abstract

The invention discloses an apparatus for evaluating an organic pollution condition of water quality by utilizing a microbial fuel cell, which belongs to the technical field of water environment monitoring. The apparatus comprises an apparatus body with a top opening, a water inlet pipe, a water outlet pipe and a microbial fuel cell apparatus, wherein the apparatus body is arranged at the outer side of the waste water; the microbial fuel cell apparatus comprises an anode chamber and a cathode chamber which are connected with each other by virtue of a conducting wire, and a current monitoring apparatus and an outer resistor are arranged between the anode chamber and the cathode chamber; the anode chamber and the cathode chamber are respectively arranged at two inner sides of the apparatus body, the anode chamber is arranged on the bottom of the waste water in the apparatus body, and the cathode chamber is arranged on a junction between the waste water and air in the apparatus body. The apparatus is simple in structure and convenient in operation, and on-site evaluates the organic pollution condition in the waste water in real time by utilizing the microbial degradation principle in the organic waste water; and the waste water in the apparatus body is continuously and stably updated, and the anode chamber and the cathode chamber are arranged in the apparatus body, so that the damage of the apparatus caused by accidents can be effectively avoided, and the monitoring precision is high.

Description

technical field [0001] The invention belongs to the technical field of water environment monitoring, and in particular relates to a device and a method for evaluating the organic pollution status of water quality by utilizing a microbial fuel cell. Background technique [0002] Organic wastewater is wastewater dominated by organic pollutants, which is likely to cause eutrophication of water quality and pose certain hazards to the environment. Among them, the chemical oxygen demand (COD) can directly reflect the degree of reducing organic pollution of the water body. The traditional COD determination method is very cumbersome. It needs to use strong oxidants to treat wastewater under certain conditions. The amount of strong oxidants consumed by reducing organic matter in water is converted into oxygen content, which cannot evaluate the organic pollution of wastewater in time. [0003] Chinese patent CN2013100446893, the patent application document published on January 31, 20...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/26G01N33/18H01M8/16
CPCH01M8/16G01N27/26G01N33/1826G01N33/1866Y02A20/20Y02E60/50
Inventor 汪龙眠谢雪歌张毅敏徐斌孔明彭福全杨飞晁建颖
Owner NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA
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