August 2021 Issue Dry Cargo International

Page 15

now waiting for the new normal to introduce itself

COKING BACKGROUND Petroleum coke is produced as a by-product in many oil refineries. Crude oil is first processed in an atmospheric distillation unit, followed by a vacuum distillation unit. The heavy residuum exiting the bottom of the vacuum tower (i.e., vacuum tower bottoms, or VTB) can be used to make asphalt, residual fuel oil (RFO)3, or used as feedstock for a coker (see Figure 1— Simplified Coking Refinery Flow Diagram on p14) or other bottoms upgrading technology. For decades, the refining industry has faced the problem that demand growth for transportation fuels (i.e., gasoline, diesel, jet

fuel) has been, and continues to be, much greater than for RFO. To put it another way, people are buying cars and trucks and flying on airplanes, but no one is building RFO fuelled power plants or industrial facilities. In response to this problem, the 1.“The ISA Global Economic and Risk Outlook”, Michael Weidokal, Advisian webinar “5 Things to Watch for in 2021”, June 15, 2021 2. OPEC+ is a combination of the 13 members of OPEC (Organization of Petroleum Exporting Countries) and a Russian led coalition of 10 additional petroleum exporting countries. 3. Typically, about 30% high value diluent such as light cycle oil needs to be added to meet RFO viscosity and density specifications.

AUGUST 2021

The petroleum coke market has been roiled by unprecedented production decreases and soaring prices. Governments imposed lockdowns in response to the Covid-19 pandemic, resulting in huge economic disruptions; global GDP shrank by 3.3%, by far the largest decrease in global GDP since the Second World War1. Almost simultaneously, there was a historic crash of oil prices followed by unprecedented oil production cuts by OPEC+2. These events impacted petroleum coke production and trade flows. However, before delving into these issues, let us give a brief background on petroleum coke.

www.drycargomag.com

Ben Ziesmer, Pedro Mackay & Rituraj Jha, Advisian

TRADES & COMMODITIES

Petcoke market: roiled by change in 2020

DCi 13


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