this is really an excellent ...
Published by Zaid Rashdan, Principal environmental consultant at Al Masader Aldualiyah for environment and quality systems
this is really an excellent task , in this case you need to present options with very low capital costs, low maintainanace requirements, high efficiency, low energy / no energy use, blind raw water quality/ in known type of pollutants, if you will consider these parameters your way will be easier to propose a sustainable useful treatment options,
hope this will guide you for some help