Question

Up flow anaerobic sludge blanket reactor is an anaerobic digester which is used for wastewater treatment with the help of suspended sludge blanket filters.

(a) True

(b) False

The question was asked in an interview for job.

This intriguing question originated from Biological Treatment of Waste Water topic in portion Biological Treatment of Waste Water of Environmental Biotechnology

Answer 1

Right option is (a) True

For explanation I would say: An anaerobic digester called as Up flow anaerobic sludge blanket reactor which is used for wastewater treatment with the help of suspended sludge blanket filters, when the wastewater enters the reactor from the bottom, and flows upward, it passes through the suspended sludge blanket filter, this leads to high reduction in BOD.