Microbial Electrochemical Technologies: Sustainable Solutions for Addressing Environmental Challenges

Area of Science:

• Environmental Science
• Biotechnology
• Electrochemistry

Background:

• Global waste management faces challenges with traditional methods.
• Biowaste valorisation is crucial for resource recovery and circular economy principles.
• Microbial electrochemical technologies (METs) present a promising alternative approach.

Purpose of the Study:

• To explore the potential of METs for biowaste valorisation and resource recovery.
• To critically examine recent studies on MET applications in waste streams.
• To identify challenges, optimisation strategies, and future research directions for METs.

Main Methods:

• Review of recent scientific literature on microbial electrochemical technologies.
• Analysis of METs' application across diverse waste streams (gas, food, water, soil).
• Integration of technological advancements with economic perspectives.

Main Results:

• METs enable the conversion of various feedstocks into energy or value-added products via microbial redox reactions.
• METs offer versatile solutions at different technological readiness levels, supporting Sustainable Development Goals (SDGs).
• Successful implementation requires addressing challenges and optimising strategies for real-world applications.

Conclusions:

• METs are pivotal for waste minimisation, resource efficiency, and closed-loop systems.
• Further research and economic integration are necessary for widespread MET adoption in the circular economy.
• METs represent a key technology for sustainable waste management and resource recovery.