Fig. 2From: Sulfolane degrading bacteria from petrochemical plant: activated sludge enrichment, isolation and characterizationSulfolane (a), sulfate (b), pH (c) and O.D.600 (d) variations during 1000 mg L−1 sulfolane biodegradation by strain Cupriavidus sp. Y-d at various initial pHs. Arrow indicates pH adjustment. BK refers to no added bacteriaBack to article page