Design of wastewater treatment plant for the removal of phenol using CHEMCAD® process simulator

Abstract

Wastewater containing phenol is produced in lots of the steel industry’s coking provisions. A usual concentration for phenol in the coke ovens effluent water is 600–3900 mg/L. Before this water can be discharged to the environment, the phenol concentration has to be reduced to 1 mg/L. Extraction using supercritical CO₂, is one of the method for removal of phenol from wastewater. This method has to be economically competitive with the alternatives. These replacement consist of biological processes, moist air oxidation (supercritical water oxidation), and incineration. Process simulation has been widely utilized in recent times to plan, assess or improve processes, systems and particular operations of the chemical manufacturing and its allied branches. Presently, CHEMCAD® is a highly operated process simulators since the large number of chemical and petrochemical processes that can be simulated. The simulation of the wastewater treatment plant for the removal of phenol using process simulator is accomplished by utilizing the process simulator CHEMCAD® version 5.1.0.  It is observed that the proposed simulation plant actually reduced the effluent characteristics down to the CPCB of India's limitations.