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A stable microbial consortium that grew on nitrobenzene (NB) as its sole source of carbon, nitrogen and energy and liberated excess nitrogen as ammonia, was immobilized on a perlite-packed trickling air biofilter. On a sustained basis, the biofilter removed 50g NB m3 packing h1 and its operation at pH8.7 resulted in ammonia stripping, making pH and salinity controls unnecessary. Low maintenance and...
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