CONTROL OF ENVIRONMENTAL POLLUTION BY EFFECTIVE UTILIZATION OF FLY-ASH PRODUCED BY THERMAL POWER PLANTS IN CULTIVATED LAND AND BIODEGRADATION OF PLASTIC USING PSEUDOMONAS SP. ISOLATED FROM WASTE WATER

Accumulation of plastics in the environment is creating a threat to the mankind. Some plastics are degradable which do not cause threat to the environment, and are being used for several purposes such as making of containers, use for packaging, water pipes etc. In this study, the isolation and characterization of plastic degrading bacteria from paper mill waste water was done. Identification of the isolated strains was performed on the basis of colony morphology, grams nature, and several biochemical tests. Plastic strips are subjected to biodegradation by isolated bacteria using mineral salt medium. The degradation was observed by changes in physical and optical characteristics. The maximum degradation was observed in Pseudomonas sp. showed after 21 days of incubation Utilization of fly-ash, produced by thermal power plants in different fields to control environmental pollution has given due importance for the last many years. In this paper an attempt has been made to present the results of some experiments conducted to utilize fly-ash collected from Kolaghat thermal power plant, properly by extracting its suitable nutrients, by Pseudomonas sp. isolated from waste water, useful for plant growth. To conduct this experiment, a single bacterial isolate are isolated from waste water through King’s media. After single colonies isolation and thrice time purification, isolate are stored in 40% glycerol solution at isolate are separated for studying their fly-ash and their seed germination as well as plant growth promoting ability on isolate showed good results of seed treatment whether on general soil or fly have been in tabulated form.