Rao, G. S.,
Kumar Dhar, P.,
Valavarasu, G.,
Rao, P. V. C.,
Choudary, N. V.,
Pawar, G.,
Dhamelia, R.,
Sriganesh, K., Hindustan Petroleum Corp. Ltd. (HPCL)
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.