Sulphur fertilizers – the processes, the products

While sulphur is regarded by many as the fourth crop nutrient, soils globally are becoming increasingly sulphur deficient. Fortunately, there are proven and successful process technologies available for incorporating sulphur – in elemental or sulphate form – into urea, the world’s most widely applied commodity fertilizer. Mark Brouwer of UreaKnowHow.com reviews the main production options and highlights key reference installations.