The Hindu Business Line : BPCL Kochi Refinery develops eco protection tech

Kochi, June 17 Bharat Petroleum Corporation Ltd — Kochi Refinery has developed a unique environment protection technology for removing toxic hydrogen sulphide gas produced when crude oil is heated to high temperature.

The technology, developed with in-house expertise for desulphurisation of very low pressure off gas generated from Vacuum Distillation Unit, is being commercialised.

BPCL has entered in to an agreement with Engineers India Ltd for commercialising the technology .

Mr E. Nandakumar, Executive Director, Kochi Refinery, and Mr M.K.Joshi, Director (Technical), EIL, exchanged the collaboration agreement, which was signed by Mr John Minu Mathew, General Manager (Technical), Kochi Refinery on behalf of BPCL and by Mr Ajay Deshpande, HOD (R&D), EIL.

The technology is used to remove the harmful hydrogen sulphide gas produced when crude oil is heated to high temperatures during separation of valuable products such as kerosene and diesel. The sulphur, in the hydrogen sulphide gas so removed, is recovered in pure solid form and can be used as feedstock in sulphur-based industries.

After the hydrogen sulphide gas has been removed, the off gas burns clean with very low sulphur dioxide emissions. The key challenge in developing the technology was the very low pressure of the off gas and the need to develop hardware which can operate at such low pressures. BPCL has applied for a patent for the technology with the Register of Patents, Chennai.

The petroleum major now plans to license the technology to other refineries in India and abroad jointly with Engineers India Ltd, a statement issued here said.

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