how can microscopic investigation help you understand how a wastewater treatment system works?
Pathogens that reside in wastewater are microscopic by nature. You'd absolutely need a microscope to analyze what they are. The presence or absence of such pathogens could be an indicator of the effectiveness of a treatment.
How does the addition of Marcellus wastewater affect the operation of a wastewater treatment system ?
I'm not too familiar with this, but I did find some information in the source below.
Marcellus shale wells require a large quantity of water to aid in the extraction of natural gas. Hydrofracturing (“fracking”) a horizontal Marcellus well may use
three to eight million gallons of water, typically within about one week.
The fluid that emerges from the top of a Marcellus well shortly after hydrofracturing (within ~30 days) is called
flowback water. Produced waters surface along with the natural gas after the well is in production.
The concern here is mainly with flowback water, which is high in total dissolved solids, salts, and other parameters and may contain sand, heavy metals, oils, grease, manmade organic chemicals that aid in the fracking process, radioactivity from contact with radioactive rocks underground, or other unknown or trace contaminants. The untreated flowback water can not be discharged to Pennsylvania’s streams, lakes, or rivers without undergoing
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