Isolation of a Thermotolerant Photosynthetic Bacterium, Rhodobacter sphaeroides Strain, NAT, and Its Capacity for Oil and Chemical Oxygen Demand Removal at High Temperatures.

The article presents a study on the capacity for oil and chemical oxygen demand (COD) removal of a thermotolerant photosynthetic bacterium, Rhodobacter sphaeroides Strain, at high temperatures. After isolating Rhodobacter sphaeroides, the alginate-immobilized cells of strain NAT were used in high temperature treatment of artificial sewage wastewater containing oil. It was observed that the COD was decreased by 80% and 76% of the oil was removed after 96 hours of treatment at 55 degrees Celsius.