A review on biofilm-based reactors for wastewater treatment: Recent advancements in biofilm carriers, kinetics, reactors, economics, and future perspectives.

Industrialization plays an important role in the growth of a nation. But it is also added to the deteriorating condition of our ecosystem. Pollution, be it aquatic, terrestrial, or airborne, has affected our environment drastically and the surge of industries and growing population plays a major role in it.