Tag: Refinery

The modern sulphur industry is in effect a response to the environmental problems created by the presence of sulphur compounds in oil and gas, and the consequent release of sulphur dioxide when they are burned. The tens of millions of tonnes extracted, formed, traded and used for sulphuric acid production every year would otherwise be entering the atmosphere and causing health issues, especially in major cities, or returning as acid rain. One of the most recent step changes in sulphur recovery has come from the extension of rules on sulphur content of fuels that have been commonplace for road vehicles for many years into the maritime transport sphere. The International Maritime Organisation has mandated a reduction in sulphur content of bunker fuels to 0.5% worldwide, and 0.1% in busy shipping regions that have become designated emissions control areas (ECAs). Because bunker fuels were made from refinery residues, they often had high concentrations of sulphur in them; the limit before 2020 was 3.5%. As a result, a recent paper by two climate scientists calculates that global SO2 emissions have dropped by as much as 10% since 2020 because of the IMO limits. Given that atmospheric sulphur dioxide is responsible for an estimated 20-90,000 preventable deaths per year, this is surely a good thing.

Fluor investigates how SO2 impacts the Claus furnace temperature in an SRU and the ways to mitigate it. This article studies the extent of quenching experienced in the Claus furnace with varying amounts of SO2 in the Claus feed. A case study is presented based on real operating data of a refinery Claus plant with a feed gas cocktail that includes substantial SO2 recovered from a regenerative flue gas desulphurisation unit.

There is a growing skills gap in the sulphur industry due to the changing nature of the workforce. The traditional ways of doing things are no longer working effectively. Knowledge is lost with retiring subject matter experts (SMEs) and other experienced operations staff leaving a reducing pool of SMEs. In this article a case study reviews how knowledge automation solved the skills gap in a sulphur recovery unit at a major US refinery.

The production of renewable fuels by retrofitting existing refineries and their infrastructure is witnessing exponential growth. The impact on the existing amine, sour water and sulphur recovery units is inevitable. Based on several case studies, Worley Comprimo discusses the various options available to holistically review the sulphur block to determine the impact and mitigation of processing bio-feed.

Sulphur production continues to expand in the Middle East and China both from new refineries and major sour gas projects.

Sulphur Experts Inc. combines new learnings, historical data, and recent onsite experience from operating companies to show what factors really impact ammonia plugging risk and what can be done to control them in order to allow for a wider operating range for SWS processing in the refinery SRU.

SO2 breakthroughs remain an ever present threat to the successful operation of reductive, quenchamine-based tail gas clean-up units (TGUs). Optimized Gas Treating presents a case study which demonstrates how SulphurPro's detailed reaction kinetics and mass transfer rate model can be used to analyse integration techniques and mitigation methods.

Suncor has selected Rich Kruger to be the company’s next president and CEO, effective from April 3rd, according to the company. Kruger will also join the Suncor board of directors. The announcement follows a search process conducted by a special committee of the board. Rich Kruger previously worked for ExxonMobil for 39 years, and was the chairman and CEO of Imperial Oil Ltd from 2013 through 2019 before retiring from the company, where he focused on safety, reliability and operational excellence. Kris Smith, who has been interim CEO since July 2022, will work with Kruger to ensure a smooth transition before assuming the role of Chief Financial Officer and Executive Vice President of Corporate Development, at the conclusion of Suncor’s annual general meeting on May 9, 2023. Alister Cowan, the current CFO, plans to retire but has offered to remain with the company through the end of the year to support the transition to Mr. Smith and to provide advisory services. Smith replaced previous CEO Mark Little, who resigned in July 2022 following investor pressure after a series of safety incidents and fatalities.

In its final report on the June 2019 explosion and fire at Philadelphia Energy Solutions in southwest Philadelphia, the US Chemical Safety Board has said that US refineries need to strengthen their safeguards surrounding the use of hydrofluoric acid, and has also recommended that the US Environmental Protection Agency take steps to improve its oversight of the chemical, which is used as an alkylation agent.

At the organisation’s first face to face meeting since covid, in Vienna in early October, OPEC+ ministers agreed to cut global oil supplies by 2 million bbl/d in November. OPEC+ is a group of 24 oil-producing nations, made up of the 14 members of the Organisation of Petroleum Exporting Countries (OPEC), and 10 other non-OPEC members, including Russia. In a statement, the group said the decision to cut production was made “in light of the uncertainty that surrounds the global economic and oil market outlooks.”