1. Introduction2. Types of heavy metals and their effect in wastewater3. Current physico-chemical treatment technologies available for remediation of different types of heavy metals from wastewater4. Biological wastewater treatment technology; advancement and drawbacks for the remediation of heavy metals5. Hurdles in wastewater treatment plants (WWTPs) performance optimization for the remediation of heavy metals6. Role of bacteria and algae in remediation of heavy metals from WWTPs7. Modified and new adsorbents for the removal of heavy metals from wastewater8. Removal of heavy metals using bentonite clay and inorganic coagulants9. Sustainable heavy metal remediation10. Efficient techniques for the removal of toxic heavy metals from wastewater 11. Full-Scale implementation of a vertical membrane bioreactor for remediation of heavy metals from wastewater12. Low-cost adsorbents, techniques and heavy metal removal efficiency13. Removal of heavy metals from mine waters by natural zeolites14. Functionalized magnetic nanoparticles for heavy metal removal from aqueous solutions: kinetics and equilibrium modelling15. Heavy metals in water: presence, removal and safety16. Mechanisms of heavy metal removal using microorganisms as biosorbents17. Heavy metal removal by bioaccumulation using genetically engineered microorganisms18. Genetic engineering of Escherichia coli for enhanced uptake and bioaccumulation of mercury19. New trends in removing heavy metals from industrial wastewater20. The construction of an engineered bacterium to remove cadmium from wastewater21. Genetic engineering of bacteria and their potential for heavy metal bioremediation22. Biosorption and bioaccumulation - the prospects for practical applications23. Batch and continuous removal of heavy metals from industrial effluents using microbial consortia