BPCL has filed an application for patent before the Controller of Patents and Design, Government of India, Chennai.
Jitin Prasada further informed that vacuum distillation is employed in petroleum refineries along with atmospheric distillation to recover the valuable hydrocarbon cuts like vacuum diesel and vacuum gas oil from crude oil. During the process, low molecular weight gas containing considerable amount of hydrogen sulphide gas (as high as 25% – depending upon the sulphur content of the crude process) is generated from vacuum distillation column.
