UNLABELLED BACKGROUND Taihu Lake is a typical plain eutrophic shallow lake. With rapidly economic development of the lake area, the petroleum products and oil wastewater produced in various processes have been inevitably discharged into Taihu Lake. As the major fresh water resource in the economically developed region of Yangtze River Delta, the water quality and environmental condition of T...

During the course of studies of the utilization of petroleum products by microorganisms, several Mycobacterium cultures were isolated which grew well in a mineral salts medium containing mineral oi,2 and as a result of their metabolism, "oil-soluble" pigments were produced which colored the oil yellow or orange. Since previous investigators have not described the production of "oil-soluble" pig...