1. Water and wastewater: A general perspective 2. Water treatment techniques for the remediation of drinking and industrial wastewater 3. Fundamentals of electrochemistry 4. Advances in electrocoagulation process: Fundamentals and Mechanism 5. Electrocoagulation and ozonation processes for the treatment of cold rolling mill (CRM) wastewater from Tata Steel Industry, Jamshedpur, India 6. Hybrid ozonation-electrocoagulation treatment of Tata steel plant generated biological oxidation treated (BOT) wastewater located in Jamshedpur, India 7. A real life application on the treatment of petroleum industry effluent located in Minas Gerais, Brazil via hybrid adsorption-electrocoagulation process 8. Continuous electrocoagulation treatment of textile industry effluent located in Istanbul Turkey 9. Hybrid electrocoagulation-microfiltration process for the treatment of NF rejected Tata steel industry effluent located in Jamshedpur, India 10. A real life application on the treatment of contaminated drinking water by continuous electrocoagulation process 11. Fluoride and iron mitigation in drinking water by electrocoagulation process 12. Performance of electrocoagulation process for the removal of arsenic from drinking water 13. Environmental assessment of wastewater sludge