modern water treatment by electrochemical oxidation

By demonstrating implementation from the lab to the field, our work provides an effective route for the scalability and practical application of SMFC stacks for energy generation and self-powered water purification in remote areas. An upscaled system, consisting of a stack of 64 SMFCs, was subsequently installed at a primary school in Icapuí, North East of Brazil, demonstrating a treatment capacity of up to three litres of water per day when integrated with the electrochemical reactor. Each SMFC generates a power of 0.4 mW, which is increased up to 12.2 mW by electrically connecting 16 SMFCs in parallel, with stable performance over 140 days of operation. The soil acts as the electrode separator and as a source of both electroactive bacteria and organic matter.

Each SMFC is characterised by a flat geometry, with the anode embedded into the soil and the cathode exposed to air. The system consists of an array of soil microbial fuel cells (SMFCs) that powers an electrochemical reactor for water treatment. In this context, in this study the development and implementation, from the lab to the field, of a low-cost, sustainable and self-powered system for water treatment, is presented for the first time. Population growth and climate change severely stress limited freshwater reserves, and the search for innovative and sustainabledecentralised water treatment technologies is more urgent than ever especially in vulnerable areas like North East Brazil, where water access is heavily restricted. Worldwide over 700 million people lack access to energy and safe water. Final sections present advantages, disadvantages and ways to combine renewable energy sources and electrochemical methods to design sustainable facilities.Įnvironmental and Chemical Engineers will benefit from the extensive collection of methods and industry focused application cases, but researchers in environmental chemistry will also find interesting examples on how methods can be transitioned from lab environments to practical applications. In addition, users will find discussions that relate to industries such as Pulp and Paper, Pharmaceuticals, Textiles, and Urban/Domestic wastewater, amongst others. Other sections deal with historical developments and the fundamentals of 18 methods, including coupled methods, such as Electrocoagulation, Peroxi-Coagulation and Electro-Fenton treatments. Sections provide an overview of the technology, its current state of development, and how it is making its way into industry applications. Electrochemical Water Treatment Methods provides the fundamentals and applications of electrochemical water treatment methods to treat industrial effluents.

Modern water treatment by electrochemical oxidation