IMPACT OF NITROPHENOLS ON ACIDOGENIC CULTURE
A benchscale study was carried out to investigate the impact of 2-, 3-, and 4- nitrophenol on acidogens. The experimental study consisted of two phases. The procedure involved using toxicant at four concentrations for Phase I and two concentrations for Phase II to acidogenic enriched cultures. The data obtained from the control (without toxicant) was used as a baseline. Moderate inhibition in the enriched acidogenic cultures was observed at 200 mg/L of toxicants. Toxicity of the 2-, 3- and 4-nitrophenol was in the order: 4-nitrophenol> 2-nitrophenol> 3- nitrophenol. It was observed during the extended exposure period test that nitrophenols required less time for biomass acclimation.
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Document Type: Research Article
Publication date: 2000-01-01
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