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Crude oil

Thermal decomposition of particulate mercury sulfides in petroleum—Part 1

Chevron Energy Technology Co.: Das, T.  |  Hatakeyama, E.  |  Hoelen, T. P.
Contributing Author: O'Rear, D.

Traces of particulate mercury sulfide (HgS) in stabilized crude oils transform to elemental mercury below 400°C in refinery distillation units. The authors evaluated this transformation and measured reaction rates and activation energies in crude oil and Hg-spiked mineral oil, using glass vessels at atmospheric pressure and a microunit at 1,000 psig.

Deliver sustainable benefits through site-wide process digital twins

Saudi Aramco: Bazuher, E. A.
KBC, a Yokogawa Company: Chellani, J.

Refiners have used offline process models for decades. The next generation of solutions is anticipated to operate automatically, integrate with legacy systems and provide transparency site-wide.  

Rio Tinto pilots Pongamia seed oil as a feedstock for renewable diesel

Rio Tinto will develop Pongamia seed farms in Australia as part of a new biofuels pilot. The project will explore the potential of Pongamia seed oil as a feedstock for renewable diesel.

China's newest refiner Yulong starts up crude unit

China's Shandong Yulong Petrochemical on Friday began starting up one of two new 200,000-bpd crude units in eastern China, marking the refinery's official launch after four years of construction.

Global refiners face profit slump as new plants come online

Oil refiners in Asia, Europe and the U.S. are facing a drop in profitability to multi-year lows, marking a downturn for an industry that had enjoyed surging returns post-pandemic and underlining the extent of the current slowdown in global demand.

Indian refiners jointly negotiating for 2025 Russian oil supplies

Indian refiners are jointly negotiating to purchase Russian oil for next year, with suppliers mostly using Russian insurance for crude priced above a $60 per barrel (bbl) cap.

SOCAR awards NEXTCHEM two contracts to upgrade/expand Heydar Aliyev refinery in Azerbaijan

SOCAR has awarded NEXTCHEM two contracts to upgrade and expand the capacity of the Heydar Aliyev Oil refinery industrial complex in Baku, Azerbaijan.

India monsoon rains dent state retailers' diesel sales

Indian state retailers' diesel sales fell in the first half of September from the previous month, as monsoon rains hit industrial activity and mobility.

Nigeria's NNPC raises petrol prices again as Dangote fuel hits market

Nigerian state oil firm NNPC Ltd. has increased the price of petrol by 11%, the second increase in two weeks and a day after it started purchasing the fuel from the giant Dangote oil refinery on the outskirts of Lagos.

Oil India aims to operate Numaligarh refinery at 180,000-bpd capacity by 2027

State-run explorer Oil India Ltd. hopes to operate its refinery in the northeastern state of Assam at an expanded capacity of 180,000 bpd in the fiscal year to March 2027.