Thermal catalytic treatment (Thermolysis): An effective process for the removal of COD and color from industrial wastewater

Abstract

Nowadays, water pollution control is one of the global concern areas of scientific research. To meet stringent regulating measures set by various regulatory authorities for effluent discharge, it is a challenging task for various industries. Various processes such as adsorption, biological process, thermal catalytic, membrane technology, electrochemical etc. are reported for the treatment of industrial wastewater. Amongst all the above processes, thermal catalytic process has appeared as an advance process for the treatment of highly polluted wastewater originating from various industries. In this paper, mechanism of thermal catalytic (thermolysis) process towards the pollutant removal has been discussed. This paper provides information about the recent research on thermal catalytic process for the treatment of synthetic and real industrial wastewater. In addition to this, a case study on the treatment of tannery wastewater using thermolysis process has also been investigated. The obtained results showed that maximum 65.25% COD and 72.65% color were reduced using copper sulphate salt with catalyst mass loading of 2 kg/m3 at pH of 4. © 2020, Dorma Journals. All rights reserved.