Confirming Pseudomonas putida as a reliable bioassay for demonstrating biocompatibility enhancement by solar photo-oxidative processes of a biorecalcitrant effluent.
Experiments based on Vibrio fischeri, activated sludge and Pseudomonas putida have been employed to check variation in the biocompatibility of an aqueous solution of a commercial pesticide, along solar photo-oxidative process (TiO(2) and Fenton reagent). Activated sludge-based experiments have demonstrated a complete detoxification of the solution, although important toxicity is still detected according to the more sensitive V. fischeri assays. In parallel, the biodegradability of organic matter is strongly enhanced, with BOD(5)/COD ratio above 0.8. Bioassays run with P. putida have given similar trends, remarking the convenience of using P. putida culture as a reliable and reproducible method for assessing both toxicity and biodegradability, as a substitute to other more time consuming methods.
García-Ripoll
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Grupo Procesos de Oxidación Avanzada, Departamento de Ingeniería Textil y Papelera, Escuela Politécnica Superior de Alcoy, Universidad Politécnica de Valencia, Plaza Ferrándiz y Carbonell s/n, E-03801 Alcoy, Spain. angarri1@doctor.upv.es
Amat
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Arques
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Vicente
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Ballesteros Martín
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MM
Pérez
J A Sánchez
JA
Oller
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I
Malato
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D048908:Aliivibrio fischeri / Q000187:drug effects / Q000528:radiation effects; D001681:Biological Assay; D002384:Catalysis; D010084:Oxidation-Reduction; D010777:Photochemistry; D016958:Pseudomonas putida / Q000187:drug effects* / Q000528:radiation effects; D012722:Sewage; D013472:Sunlight; D018675:Toxicity Tests
D012722:Sewage