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Method for treating refinery wastewater containing acetonitrile by applying continuous flow bioelectricity desalination device

A technology for biological production of electricity, desalination and wastewater, which is applied in biological treatment devices, biological water/sewage treatment, chemical instruments and methods, etc. It can solve the problems of difficult industrial wastewater treatment, difficult biochemical treatment, and waste of industrial wastewater energy. Achieve stable power output, improve water quality, and achieve the effect of stable current output

Active Publication Date: 2018-03-30
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a continuous flow bioelectricity desalination device and application method for the treatment of acetonitrile-containing refinery wastewater in order to solve the problems of difficult biochemical treatment and waste of energy in the existing industrial wastewater

Method used

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  • Method for treating refinery wastewater containing acetonitrile by applying continuous flow bioelectricity desalination device
  • Method for treating refinery wastewater containing acetonitrile by applying continuous flow bioelectricity desalination device
  • Method for treating refinery wastewater containing acetonitrile by applying continuous flow bioelectricity desalination device

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specific Embodiment approach 1

[0016] Specific Embodiment 1: The continuous flow bioelectricity desalination device for the treatment of refinery wastewater containing acetonitrile in this embodiment includes a reactor, an anode carbon brush 2, a cathode carbon brush 6, a cation exchange membrane 5, an anion exchange membrane 3 and an aeration device 10 In the reactor, a cation exchange membrane 5 and an anion exchange membrane 3 are arranged in parallel at intervals, the anion exchange membrane 3 and the wall of the reactor surround an anode chamber 1, and the cation exchange membrane 5 and the reactor wall surround a cathode chamber 7, The area between the cation exchange membrane 5 and the anion exchange membrane 3 forms a desalination chamber 4, an anode carbon brush 2 inoculated with activated sludge is provided in the anode chamber 1, and a cathode chamber inoculated with activated sludge is provided in the cathode chamber 7. The carbon brush 6 is also provided with an aeration device 10 at the bottom ...

specific Embodiment approach 2

[0018] Embodiment 2: This embodiment differs from Embodiment 1 in that the anode carbon brush 2 and the cathode carbon brush 6 are connected through an external resistor.

specific Embodiment approach 3

[0019] Embodiment 3: This embodiment is different from Embodiment 1 or Embodiment 2 in that a reference electrode 8 is also provided in the anode chamber 1 .

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Abstract

The invention discloses a continuous flow biological electrogenesis desalting device for processing refining wastewater containing acetonitrile and an application method, and belongs to the technical field of refining wastewater treatment. The continuous flow biological electrogenesis desalting device for processing the refining wastewater containing acetonitrile and the application method aim at solving the problems that in the prior art, the treatment difficulty of industrial wastewater is high, biochemical treatment is difficult, and energy in the industrial wastewater is wasted. According to the electrogenesis desalting device, an anode chamber, a cathode chamber and a desalting chamber are arranged in a reactor, the area between a cation exchange membrane and an anion exchange membrane forms the desalting chamber, and carbon brushes are arranged in the anode chamber and the cathode chamber. The application method includes the steps that firstly, activated sludge is injected into the anode chamber and the cathode chamber and cultured to obtain initial electrogenesis bacteria; secondly, a PBS buffer solution and glucose are repeatedly added for habituated culture; thirdly, continuous electrogenesis of the refining wastewater containing acetonitrile is performed. Anaerobic biological treatment and aerobic biological treatment are combined with the MDC process, it is unnecessary to add energy in the whole process of treating toxic and harmful substances, stable electric energy output can be achieved, and salt removed from the saliferous wastewater is recycled at the same time.

Description

technical field [0001] The invention belongs to the field of refinery wastewater treatment, and in particular relates to a method and a device for treating refinery wastewater containing acetonitrile. Background technique [0002] Environmental issues and energy issues restrict the development of human society. Due to the continuous development of my country's industry, resulting in a sharp rise in industrial water consumption, which undoubtedly aggravated the crisis of water shortages. A large amount of chemical wastewater produced in the production of chemical industry contains hydrocarbons and other refractory substances. If it cannot be disposed of properly, it will inevitably cause pollution to the receiving environment, threaten the safety of the ecological environment, and endanger the health of humans and other organisms. Therefore, chemical industry The treatment of wastewater has always been a problem that plagues industrial development and human life. At the sam...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/30H01M8/16C02F103/36C02F101/30
CPCC02F3/301C02F2101/30C02F2103/36C02F2203/004C02F2301/043H01M8/16Y02E60/50Y02P70/50
Inventor 魏利魏超魏东李春颖
Owner HARBIN INST OF TECH
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