A group of students make a filtration system using layers of fine sand

1.	A group of students make a filtration system using layers of fine sand, coarse sand and gravel and test it in the lab, using 500mL of wastewater sample. In order to upscale their design, they add a settling tank after the filter. What should they add before their filtration system?1 pointa) A wire meshb) Disinfectantsc) An aeration tankd) A mechanical skim
Answer» ANSWER: c Explanation: An AERATION tank mark me as BRILLIANT

A group of students make a filtration system using layers of fine sand, coarse sand and gravel and test it in the lab, using 500mL of wastewater sample. In order to upscale their design, they add a settling tank after the filter. What should they add before their filtration system?1 pointa) A wire meshb) Disinfectantsc) An aeration tankd) A mechanical skim

Answer»

Explanation:

An AERATION tank

mark me as BRILLIANT