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Recycling Carbide Sludge 101
Recycling Carbide Sludge 101
March 18, 2019

Tungsten is a non-renewable rare metal that is favored for its many useful properties – it is typically used in combination with other elements for a range of industrial applications. Tungsten carbide is one such chemical compound – in which tungsten atoms are combined in equal parts with carbon atoms. Tungsten has one of the highest melting and boiling points of all the elements and is much denser than other comparable metals. When combined with carbon it maintains its structural integrity and overall density albeit more malleable – making it easier to work with.


One of the most common forms of tungsten carbide is known as “swarf” – the sludge form of this compound.


Today we’ll briefly discuss the sources of carbide sludge and the benefits associated with recycling this substance:


Sources of Carbide Sludge


Sources of carbide grinding sludge include:


  • Scrap Powder: substance utilized in the application of thermal spray processes
  • Filter Scrap: scrap from carbide sludge filters
  • Tungsten Alloys: includes densalloy-sludge, heviment-sludge and residual grindings, and mallory alloy-sludge and residual grindings



Benefits of Recycling Carbide Grinding Sludge


Reducing negative environmental impact is one major benefit of recycling carbide grinding sludge. Tungsten is a naturally derived non-renewable resource. Recycling your tungsten carbide grinding sludge is one way to reduce the need to constantly extract tungsten from the earth – also serving to reduce the environmental implications associated with mining processes.

There is also potential for significant financial benefit in opting to recycle your carbide sludge. Bringing your tungsten scrap to a reputable carbide grinding sludge recycling facility will ensure that you will receive a fair price in return for your scrap.



Finding a Reputable Carbide Grinding Sludge Recycling Facility


Alnor Industries offers the knowledge and capabilities in reclaiming monetary value for your carbide scrap. We determine the value of your scrap based on global market prices – ensuring that you receive a fair price for your metal recyclables. Alnor deals with processors who manufacture recycled material – effectively transforming it into usable products. We accept a number of metals in addition to carbide grinding sludge including end mills/inserts, alloys, cobalt alloys, tantalum, catalysts, molybdenum, and high speed steel. Contact Alnor Industries today for all your meal recycling needs! We’d be happy to be of assistance.


Always recycle industrial waste! That stuff is so hard to biodegrade and can always be reused.
Posted by: John | June 10, 2019, 11:01 am
Interesting read about carbide sludge! Didn't realize there was a financial benefit to recycling this substance.
Posted by: Samantha | March 18, 2019, 10:21 am
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