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Crushing the Alunite? Try the Vertical Roller Mill

From:Clirik    Date:2015-08-19 11:48

    Alunite and the Vertical Roller Mill.

    
ALUNITE IS also known as alumstone. This mineral was first observed in the 15th century at Tolfa, a place near Rome. Here, it was mined to manufacture alum, KAl(SO4)2 - 12H2O. 

   Alunite historically extensive deposits were mined in Tuscany and Hungary, and at Bulladelah in New South Wales.Sometimes, alunite is mistaken for massive rock forming dolomite or limestone (calcite). An acid test proves the identification. Alunite does not bubble even when powdered.  

    Distinct crystals of alunite are rarely found in cavities in the massive material.  Alunite varies in color from white to yellow gray. 
 
alunite
    It is a good source of alum. Sometimes, it is also used to recover potassium and aluminum. Commercially it is used as alloys, tools, equipment.

    The hardness of alunite is 4 and the specific gravity is between 2.6 and 2.8., which is pretty suitable for the procession by Alunite micronizer, also named alunite vertical roller mill,produced by Clirik . 


     Alunite  micronizer professionally processes fine and superfine powder of non-inflammable, non-explosive and brittle materials with Moh's hardness under six, the moisture under 5% such as calcite, chalk, limestone, dolomite, kaolin, bentonite, talc, mica, magnesite, illite, pyrophyllite and vermiculite, sepiolite, attapulgite, rectorite, diatomite, barite, gypsum, alunite, graphite, fluorite, rock phosphate, Kalium ore, pumice, etc., totally more than 100 kinds of materials.
Finished  Alunite  powder fineness: 47-5 micron (325mesh-2500mesh)

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