Sulphur, whether derived from natural sources or as a by-product of oil, gas or chemical processing, is produced in liquid form at a temperature of between 125-145°C. A molten product of this nature can be difficult – and expensive – to transport, handle and store, so it is commonly formed into a more manageable solid product.
The Sandvik Rotoform principle has, for many years, been recognised as setting the worldwide standard in premium quality pastillised sulphur production. Among its key benefits are:
- Low friability and excellent resistance to impact abrasion (low visual dust generation). Formed sulphur is moved an average of 15 times between production and re-use (various stages of handling, transport & storage), so low dust generation is particularly important.
- Good flow characteristics with high angle of repose.
- Easy remelt (no agglomeration).
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While the quality of end product has been central to the success of the Rotoform principle, its suitability to the particular requirements of the oil and gas industries has been a key factor behind the 200+ sulphur solidification installations now in operation around the world.
- The capacity of a Rotoformer is ideally suited to the requirements of a typical refinery.
- High flexibility – ability to install several machines to create a modular system in which one or more units can be shut down and restarted at short notice.
- Operation is efficient, environmentally friendly and – critical to the oil and gas industries – extremely safe.
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Feeding side of Sandvik Rotoform units
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Sandvik Rotoform cooler discharge
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Conveying of sulphur pastilles | 
Purose-designed unit for depositing
pastilles on the stockpile |
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Sulphur Issue
November/December 2006 |
Hydrocarbon Engineering Issue
March 2006 |
Sulphur Issue
September/October 2007 |
Hydrocarbon Engineering Issue
March 2008 |
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Contact person: Bernd Jung
e-mail: bernd.jung@sandvik.com |
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 Sulphur solidification and handling brochure
 Chemical processing
 Back to Industrial Processing |
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