Major steps in wastewater treatment

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Need study questions answered

Q1) Describe the major steps in wastewater treatment (primary, secondary, advanced). Can natural ecosys-tems perform any of these functions?

Q2) How does water that drains from coal mines become contaminated with sulfuric acid? Why is this an important environmental problem?

Q3) What is eutrophication, and why is it an ecosystem e?ect?

Q4) What are the di?erences between primary and second-ary pollutants?

Q5) Discuss the processes responsible for stratospheric ozone depletion. Which are most signi?cant? Where? Why?

Reference no: EM13774521

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