<p>Wastewater got much of our intention these days because
wastewater is polluting our lakes, pounds and even sea have a lot of
contaminated amount of waste. This water is hazardous for the acute life,
dangerous for living things. Wastewater polluted the natural reservoirs. </p>
<p>Over the
past, the knowledge of the mechanisms of electrochemical wastewater treatment
has progressively evolved. A comprehensive understanding of the types of methods
and mechanisms of treatment of wastewater is a prerequisite to the
understanding of their relativities and elucidation of intermediate products
generated during the oxidation process and degradation pathways. The type,
nature, and quantity of reactive species generated in electrochemical treatment
processes are controlled by many factors, including the type of the treatment
technique, electrode/electro catalyst materials, water/wastewater composition,
water pH conditions, and operating parameters are to be considered. Multiple
methods such as separation, conversion and combined methods are used for
treatment. However, basic principle works on the electrochemical mechanism. This
article gives the basic idea of electrochemical methods working principles, techniques
being considered. It will also help us understand the byproducts recovery of
different metal ions and how they converted into useful form. Best methods
based on the efficiency and economic value. Feasibility of long term and short
term methods for the treatment of wastewater.</p>
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