Inhibition of nitrification by ammonia and nitrous acid

THE IMPORTANCE OF NITRIFICATION has been recognized for more than a cen tury. Engineers and scientists continue to investigate the process to obtain a better understanding of the fundamentals and to use the process for the benefit of man. Controlled nitrification may occur during waste treatment, and engineers have begun to incorporate the process as part of nitri fication-denitrification systems for nitrogen control preceding discharge of the treated wastes.