Electrochemical technologies for treating industrial wastewater and potential techniques for recycling and reusing this water have been described. Along with economic viewpoints on water management, issues pertaining to the principles and application of secondary and tertiary techniques are thoroughly examined. Recent developments in techniques including coagulation, adsorption, natural processes, oxidation, and membrane separations are highlighted since they may aid in understanding current processes as well as their intensification for better efficiency and economics. This article delves deeply into a recent advancement in the field of hydrodynamic cavitation, particularly in terms of equipment design, process development, and integration with other approaches. Both practicing chemical/environmental engineers and researchers in this subject are likely to find the review of recent advancements in the field of commercial wastewater treatment, recycling, and reuse offered here to be helpful