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The present work embodies the results of scientific investigation involving the use of safe radiolysis process for degradation of PCBs; persistent organic pollutants present in used oils by gamma radiation using Co-60 as a radiation source. The work reports the salient aspects of ship breaking activity in India, gamma irradiation of PCBs, gamma irradiation of various oils, method development and validation, determination of PCBs in thermic oils using GC-MS, etc. The aim is to assess the level of destruction of PCBs in standards and oils by gamma irradiation and to determine the optimum dose...

Coal Tar Pitch (CTP), an industrial waste from manufacturing of coke has been a valuable resource for various applications. Presence of Polycyclic Aromatic Hydrocarbons (PAHs) in CTP has been a cause of concern for regulators. CTP is subjected to high temperature treatment during its various applications. This is the cause of high Benzo-(a)-Pyrene{B(a)P} content in emissions. Thus, use of high B(a)P CTP is a serious health hazard and thus, B(a)P in CTP content must be kept within acceptable limits. The present study pertains to: a) Process development and optimization for reducing the...

Incorporation of various metals and their salts in simple base materials such as acrylic acid and 2-hydroxyethyl methacrylate has been achieved. Feasibility of designing metal-containing polymers based on different acrylates using radiation processing technique has been established. Novelty lies in the successful incorporation of metals such as barium, titanium and lanthanum in acrylic acid and 2-hydroxyethyl methacrylate. This was something that was not possible so far. Clear and transparent nanocomposite materials based on acrylate polymers suitable for optical applications have been...