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A joint effort to enable the production of sulfur-enhanced urea at large scale

By Gerald Ondrey |

Shell Thiogro (www.shell.com/sulphur/thiogro) and Uhde Fertilizer Technologies (UFT; www. uhde-fertilizer-technology.com), part of thyssenkrupp Industrial Solutions AG (Essen, Germany), have established a partnership to integrate UFT’s fluidized-bed (FB) granulation technology with Shell’s Urea-ES (enhanced sulfur) technology, which was introduced in May 2015. Recently, the two companies successfully granulated Shell-developed Urea-ES emulsion in UFT’s FB granulation pilot plant in Leuna, Germany. Combining the two technologies will enable the largest urea plants in the world to produce granulated sulfur-containing urea. Urea-ES technology seeks to provide vital sulfur nutrient to soils by incorporating elemental sulfur into urea, the world’s most commonly used fertilizer. Shell Thiogro’s patented technology emulsifies micron-sized particles of elemental sulfur evenly throughout urea. This is in contrast to existing elemental-sulfur-containing urea technologies, which typically coat urea in a layer of elemental sulfur. The microscopic size (under 40µm) of the sulfur particles in Urea-ES promotes the oxidation of the sulfur within the crop season. The advantages of Shell’s technology have been combined with the features…
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