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  1. Enhancing aerobic digestion of full-scale waste activated sludge using free nitrous acid pre-treatment
  2. Free nitrous acid breaks down extracellular polymeric substances in waste activated sludge
  3. Stratified Microbial Structure and Activity in Sulfide- and Methane-Producing Anaerobic Sewer Biofilms
  4. Evaluating a strategy for maintaining nitrifier activity during long-term starvation in a moving bed biofilm reactor (MBBR) treating reverse osmosis concentrate
  5. Free ammonia and free nitrous acid inhibition on the anabolic and catabolic processes of Nitrosomonas and Nitrobacter