Fig. 3From: Sulfolane degrading bacteria from petrochemical plant: activated sludge enrichment, isolation and characterizationSulfolane (a), sulfate (b), pH (c) and O.D.600 (d) variations during different sulfolane concentrations biodegradation by strain Cupriavidus sp. Y-d at the pH of 7. Arrow indicates pH adjustment. BK refers to no added bacteriaBack to article page