Sulphur
The magazine for the sulphur and sulphuric acid industries

Latest issue:
January/February 2023

• The impact of Ukraine on sulphur markets
  Last year saw global trade in all commodities have to take into account the potential loss of supply from Russia, a key exporter of many commodities. Sulphur was no exception, with prices swinging wildly across the year.

  Full article: 2,068 words | add to basket (£25)

• A looming sulphur shortage?
  Last year attention was drawn to the potential for large scale decarbonisation to leave the world short of the key resources of sulphur, and hence sulphuric acid. But is there a global sulphur shortage on the distant horizon?

  Full article: 2,993 words | add to basket (£25)

• Hydrogen safety in sulphuric acid plants
  Safety in sulphuric acid plants is a well-known and widely discussed topic. Industry turnover is a reality, and keeping new employees informed of hydrogen safety procedures is key to keeping plants fully operational and incident free. Walter Weiss of Elessent Clean Technologies discusses the steps facilities need to take to prevent hydrogen incidents.

  Full article: 1,452 words | add to basket (£25)

• Do you have a plan for a weak acid incident?
  The world has seen a number of hydrogen explosions in double absorption plants mostly in the intermediate absorption tower (IAT). To review this increase and to determine the causes, an International Hydrogen Safety Workgroup was formed including major acid plant contractors, major acid producers, and consultants in the sulphuric acid arena. Workgroup member Rick Davis of Davis & Associates Consulting explores some of the findings.

  Full article: 1,927 words | add to basket (£25)

• Sulphur recovery in the energy transition
  In the current energy transition era, the oil and gas industry is focusing on lowering its carbon footprint while generating green energy resources such as blue hydrogen. In this article, Thomas K. Chow, Marcus Weber and Denny Li of Fluor Solutions/Goar, Allison & Associates, L.L.C. demonstrate how SRU/TGTU plants within sour gas facilities can facilitate the capture of CO2 and generate H2 by implementing advanced sulphur recovery technologies.

  Full article: 1,883 words | add to basket (£25)

• CO2 recovery options in sulphur plants
  CO2 emission abatement strategies have become increasingly important as the world strives to combat global climate change. Mahin Rameshni and Stephen Santo of Rameshni & Associates Technology & Engineering (RATE USA) discuss carbon capture options available for sulphur recovery units.

  Full article: 3,092 words | add to basket (£25)

• Sulphur run-down liquid level prediction
  Sulphur run-down lines are typically sized by referencing past projects and 'rules of thumb'. Very little analysis is performed to identify the impacts of slope, fittings, valves, etc. It is critical to maintain an open vapour path from the condenser to the sealing device. CSI has observed problems in the field which appear to be caused by undersized run-down lines. CSI developed a method of predicting the liquid level in a run-down line that considers the most common elements. This was accomplished by building a full-scale model of a run-down line that evaluated pipe NPS, pipe slope, rod-out-cross elbows, rod-out cross elevation drops, and liquid viscosity. This article* presents the testing and development of the predictive method as well as the predictive method itself.

  Full article: 2,698 words | add to basket (£25)

• The art of candle filter wetting
  When candle filter mist eliminators installed in the absorption towers in sulphuric acid plants are not sufficiently wet, problems can occur such as free SO3 at the stack, NOx issues and emission non-compliance. Craig Cassells of Begg Cousland Envirotec discusses how these problems can be overcome by the installation of an annular wetting ring solution.

  Full article: 1,149 words | add to basket (£25)