2012d-706 660 anaerobic bacteria biochemicalphenomena biodegradation biologicalproducts biomedicalengineering economics education energy-generatingresources environmental environmentalmanagement greenchemistry metabolism methods microbiologicalphenomena nanocomposites nanostructures nanotechnology pharmaceutical polymers radiationeffects refusedisposal sonochemistry sustainability sustainabledevelopment technology ultrasonics ultrasonictherapy ultrasonography wastemanagement