Kumar Dhar, P.

Hindustan Petroleum Corp. Ltd. (HPCL), Bangalore, India

Pradyut Kumar Dhar is an Assistant Manager at Hindustan Petroleum Corp. Ltd.’s research and development (HPCL’s R&D) hydroprocessing group. He holds an MTech degree in chemical engineering from the Indian Institute of Technology (IIT) at Kanpur and a BE degree in chemical engineering from Jadavpur University in Kolkata. He has 5 yr of research experience in hydroprocessing, and his areas of interest include process intensification and hydroprocessing technology development.

Production of renewable fuels in existing refinery assets: A cost-effective coprocessing strategy

Kumar Dhar, P., Meesala, L., Valavarasu, G., Rao, P. V. C., Sriganesh, G., Hindustan Petroleum Corp. Ltd. (HPCL); Kumar, P., Hindustan Petroleum Green R&D Center, Hindustan Petroleum

Vegetable oils are a renewable biomass resource used in the production of biofuels. Biodiesel production from transesterification of vegetable oils (fatty acid methyl ester, or FAME) is the primary route for producing biofuels from vegetable oils.

Use a mixed-solvent process to boost lube base oil yields and profitability

Through research and development (R&D), the commercial application of a mixed-solvent (MS) approach using a mixture of different co-solvents resulted in higher lube raffinate yields without affecting the lube oil quality.