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This exploration discusses the effectiveness of source water protection as a safer practice for water supply. It addresses the challenges facing water resources in China, particularly in light of growing demand and pollution. The sustainability of coagulation technology is analyzed, weighing its advantages against disadvantages. Solutions for preventing pollution from filter backwash are proposed, alongside recommended disinfection methods for developing countries. Additionally, the comparison between chemical and biological treatment processes of wastewater highlights their sustainability, while the benefits of treatment wetlands and the potential for wastewater reuse are also examined.
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Question-3 Answer the following questions: • Do you think Source Water Protection is a better practice for safe water supply? • What is the challenges of water resources in China? • Do you think COAGULATION is a “sustainable” technology?Whatdo you think of the advantages and disadvantages of COAGULATION? • How to avoid the pollution of backwash water from filters? • What is the problem of disinfection?Whatdisinfection method do you recommend for developing countries? • What is the problem of adsorption for wastewater treatment? • Please compare the sustainability of chemical treatment and biological treatment process. Which one do you think is more “sustainable”? • What is the benefits of treatment wetlands? • What is your opinion on the wastewater reuse?