Analysis of a Claus catalytic reactor unit
Multiphase multiphysics simulation-based analysis of an industrial-scale Claus catalytic reactor predicts improved performance resulting from the inclusion of inlet flow deflection plates.
Multiphase multiphysics simulation-based analysis of an industrial-scale Claus catalytic reactor predicts improved performance resulting from the inclusion of inlet flow deflection plates.
Rising hydrogen sulphide levels from souring reservoirs and high-sulphur crude oils are turning sulphur recovery units into major throughput bottlenecks in both gas plants and refineries. Bryan Research & Engineering presents oxygen enrichment as a practical debottlenecking strategy, with water electrolysis – especially alkaline water electrolysis and, to a lesser extent, solid oxide electrolysis – offering promising oxygen supply options.
Sour gas production is costly because hydrogen sulphide and carbon dioxide require extensive sweetening, sulphur recovery, safety, and compliance infrastructure, with sulphur sales helping offset but rarely eliminating those added costs.
ADNOC Gas has outlined a staged recovery plan for its Habshan complex after April attacks and the closure of the Strait of Hormuz, while reporting sharply stronger sulphur earnings on the back of firm prices and resilient output elsewhere in its network.
The 8th SulGas® Mumbai sulphur recovery and gas treating conference and exhibition, organised by Three Ten Initiative Technologies LLP, took place on 5 and 6 February 2026. We report on some of the key topics on the agenda.
Efficient sulphur recovery is essential for modern refineries to meet stringent environmental regulations and support sustainability goals. Fluor examines the key design considerations, smart design strategies and flexible sulphur block configurations that are essential in achieving an overall optimised design. Together, these strategies enhance efficiency, reduce emissions, improve reliability, and provide flexibility for changing crude qualities, ensuring compliant and economically robust refinery operations.
Worley Comprimo has carried out an evaluation of technologies allowing 99.8+% sulphur recovery for an Indian refinery case. The TopClaus process was compared to alternative technologies, focussing on modern technical challenges, investment operation and maintenance costs, as well as CO2 considerations.
Romanian oil and gas group OMV Petrom has commissioned a new sulphur recovery unit at its Petrobrazi refinery, near the southern city of Ploiesti. Development work on the new SRU began in 2023, and represents the second at the site, treating acid gas produced during the refining process. The euro 45 million investment is part of euro 2 billion of improvements that have been made over the past 20 years as part of the company’s strategy to modernise its refining capabilities, aiming to reduce environmental impact. Last year, the company said it would invest around euro 750 million to build several sustainable fuel plants at the refinery, which are expected to become operational in 2028.
Maximising sulphur recovery in a modified Claus SRU/TGTU requires controlling and monitoring COS and CS2. Leveraging decades of monitoring experience, AMETEK Process Instruments discusses the formation, impact and monitoring of COS and CS2.
The Sulphur Institute celebrates its 65th anniversary this year. In this article the organisation describes its lasting legacy and global impact.