Microbial electrochemical CO2 capture system

Abstract

The invention relates to a microbial electrochemical CO2 capture system. The system comprises a microbial fuel cell and a microbial electrolytic tank, wherein the microbial electrolytic tank comprises an electrolytic tank shell; an ion exchange membrane for dividing the electrolytic tank shell into an electrolytic tank anode chamber and an electrolytic tank cathode chamber is arranged in the electrolytic tank shell; an electrolytic tank anode electrode and an electrolytic tank cathode electrode which are connected with the microbial fuel cell are arranged in the electrolytic tank anode chamber and the electrolytic tank cathode chamber which accommodate sewage to be treated; the upper end of the electrolytic tank cathode chamber is provided with a gas outlet; and the electrolytic tank anode chamber is communicated with the electrolytic tank cathode chamber through an electrolytic tank gas guide tube. Sewage treatment is performed by taking organic wastewater as a microbial nutrient source; and the problems of sewage treatment, energy recovery and the like are solved while CO2 is captured.

Description

technical field [0001] The invention belongs to the field of environment and carbon dioxide capture and storage, in particular to a CO 2 Microbial electrochemical CO capture, energy recovery, and sewage treatment 2 capture system. Background technique [0002] Energy is an important foundation for the existence and development of human society, and it is also related to the security and stability of all countries in the world. Fossil fuels have played a huge role in the development of industry and economy in the past century. However, as the main energy source, the impact of greenhouse gases released by burning fossil fuels on the climate has become increasingly prominent. The Intergovernmental Panel on Climate Change (IPCC) In the Fourth Assessment Report, the level of scientific understanding of the anthropogenic and natural drivers of climate change, the observed facts of climate change, the various processes and attributions of climate, and a series of future climate c...

AI Technical Summary

Problems solved by technology

The microbial electrochemical system (Bioelectrochemical System, referred to as BES) represented by microbial fuel cell (MFC) and microbial electrolytic cell (MEC) can recover different forms of energy (electric energy, combustible gas) while treating wastewater. A new process that takes into account environmental and energy issues, but its disadvantage is that while treating wastewater and recovering energy, the anode still releases CO into the atmosphere. 2 , does not meet CO 2 The concept of emission reduction

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