The economic conversion of phosphogypsum waste into a valuable product has been pursued for decades. Although phosphogypsum is still generally disposed of as waste, industry attitudes are changing and greater use of phosphogypsum will be expected in a circular economy.
This is the 400th issue of Sulphur magazine, now in its 69th year. From its beginnings as the Quarterly Bulletin of the Sulphur Exploration Syndicate, it remains the only magazine dedicated to both the sulphur and sulphuric acid industries.
Most inspection personnel are familiar with the symptoms of process-related issues; however, they often lack an understanding of the root causes of water-related issues. In this article L. Huchler of MarTech Systems and E. Nasato of Nasato Consulting provide insight about early warning signs of common water-related failures in steam generators and sulphur condensers, proactive monitoring practices, practical operating strategies, options for corrective actions, reminders about robust water-side design and reminders about the challenges of prematurely destroying evidence by prioritising cleaning over diagnostic efforts during turnaround activities.
Researchers from Australia’s Monash University say that they have created a new generation of lithium-sulphur batteries which could provide a cheaper, cleaner and faster-charging energy storage solution that outlasts lithium-ion alternatives and is rechargeable hundreds of times without failing. The team has creating a new interlayer which allows for exceptionally fast lithium transfer, as well as an improvement in the performance and lifetime of the batteries.
Meena Chauhan, Head of Sulphur and Sulphuric Acid Research, Argus Media, assesses price trends and the market outlook for sulphur.
On February 27th, in a speech to the Bundestag, Germany’s chancellor Olaf Scholz described the events then unfolding as a “zeitenwende” – a historical turning point. He was speaking of German foreign and security policy, but it seems likely that Russia’s February 24th invasion of Ukraine may end up marking a break with the past in many different ways. Last issue’s Editorial was written when Russia’s ‘special military operation’ was still only a few days old, and the situation was still very fluid. Two months on, and for all of the uncertainties remaining, some glimpses of the way that things are changing are becoming clearer.
Economically viable production of green ammonia requires plants that can react to fluctuations in renewable power thanks to their flexible design. Casale’s Francesco Baratto, Giovanni Genova and Sergio Panza explain how new tools are helping design green ammonia plants that deliver the highest possible production at the lowest possible cost.
Italy’s Maire Tecnimont Group has named Alessandro Bernini as its chief executive officer (CEO) and chief operating officer (COO). The announcement was made following the resignation of Pierroberto Folgiero , the company’s previous CEO and COO, with effect from 15th May.
Certain fertilizer prices are likely to remain above $1,000/t well into 2023, according to Moody’s.
Heat recovery systems at sulphuric acid plants have been providing carbon-free energy for decades now and continue to improve. There is also potential to combine the clean power generated at acid plants with hydrogen production from water electrolysis. This could provide the basis for green fertilizer production.