Bioelectrochemical wastewater treatment device with stacked and amplified functional modules and wastewater treatment method of device

A bioelectrochemical and wastewater treatment technology, applied in biological treatment devices, biological water/sewage treatment, electrochemical and biological combined treatment, etc., can solve the problems of difficult amplification and regulation of bioelectrochemical reactors, and achieve favorable toxicity Effects of reducing or removing toxicity, convenient operation, and easy construction

Inactive Publication Date: 2021-03-16
HARBIN INST OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the problems of difficult enlargement and difficult regulation of bioelectrochemical reactors, the present inventio

Method used

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  • Bioelectrochemical wastewater treatment device with stacked and amplified functional modules and wastewater treatment method of device
  • Bioelectrochemical wastewater treatment device with stacked and amplified functional modules and wastewater treatment method of device
  • Bioelectrochemical wastewater treatment device with stacked and amplified functional modules and wastewater treatment method of device

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Embodiment 1

[0027] Such as figure 1 As shown, the structure of the bioelectrochemical wastewater treatment device with stacked and enlarged functional modules in this embodiment is as follows:

[0028] The device consists of the water distributor 1 and the main part from bottom to top. The main part is assembled from three sets of bioelectrochemical modules. The module, the second-level module and the third-level module are all bioelectrochemical modules. The bioelectrochemical module adopts an electrode module with surrounding electrode arrangement, which is composed of an inner cylinder and an outer cylinder, that is, an inner cylinder with a smaller inner diameter and an outer cylinder with a larger inner diameter. The inner cylinder is evenly covered with small holes, pasted There is a cation exchange membrane to form the inner anode area, and the cavity formed between the inner cylinder wall and the outer cylinder wall is the cathode area. An anode material is placed in the anode a...

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Abstract

The invention discloses a bioelectrochemical wastewater treatment device with stacked and amplified functional modules and a wastewater treatment method of the bioelectrochemical wastewater treatmentdevice, and belongs to the technical field of biological wastewater treatment. A bioelectrochemical reactor is constructed by stacking small bioelectrochemical modules, wastewater sequentially flows through all stages of modules, the pretreatment effect of biocatalysis and electrochemical catalysis on degradation-resistant wastewater can be achieved in a stage treatment and gradient removal mode,and toxicity reduction or toxicity removal of pollutants is achieved. The bioelectrochemical modules distributed by adopting surrounding type electrode arrangement has the advantages of being compactin structure and small in internal resistance, the relative distance of the electrodes is reduced, transfer of electrons and protons is facilitated, the electrodes are fully utilized, and then pollutant degradation is enhanced; and modular stacking is adopted, so that each module is a unit, gradient utilization and toxicity removal of pollutants can be achieved, microorganisms can form functionalflorae more easily, and the biodegradation effect is effectively achieved.

Description

technical field [0001] The invention relates to a bioelectrochemical wastewater treatment device with stacked and enlarged functional modules and a method for treating wastewater, belonging to the technical field of wastewater biological treatment. Background technique [0002] As a new type of water treatment technology, bioelectrochemical technology can combine the advantages of biological and electrochemical technologies to successfully realize the functions of synchronous production capacity of wastewater treatment and production of high value-added products, and has attracted extensive attention from scholars at home and abroad. Especially in the case of introducing a biocathode and applying a small voltage, it has great potential for removing some refractory pollutants or converting them into easily degradable or low-toxic substances. [0003] Bioelectrochemical technology has achieved good results in wastewater treatment, but there are still great limitations in the d...

Claims

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Application Information

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IPC IPC(8): C02F3/00
CPCC02F3/005C02F2203/006
Inventor 孔凡英任宏宇任南琪
Owner HARBIN INST OF TECH
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