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Paper Information

Journal:   AMIRKABIR   Summer 2003 , Volume 14 , Number 55-C; Page(s) 825 To 827.
 
Paper: 

EFFECTS OF CHEMICAL GRINDING AIDS ON PARTICLE SIZE DISTRIBUTION, CONSUMPTION ENERGY, GRINDING TIME AND GRINDABILITY OF SARCHESHMEH COPPER ORE

 
 
Author(s):  REZAI B., RAFIEI A.A., NOUPARAST M., KOLAHDOUZAN M., SHARIF AKHOUNDI M.
 
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Abstract: 

Applications of grinding aids are known as one of the developed subject of Comminution engineering which is one of the mineral processing branch. The different studies indicated that application of grinding aids could provide some advantages on grinding process. Also these advantages have more effects on non-metallic ores rather than metallic ones. This paper presents results of grinding aids effects on grinding process of Sarcheshmeh copper ore. The effects of Sodium Tri Poly Phosphate (STPP) and Soda (NaOH) as grinding aids were studied on grinding parameters like grind ability, fineness, grinding time and particle size distribution. Results indicated that grinding aids could make considerable changes on grinding parameters. On the other hand the presence of STPP and NaOH caused decrease of consumption energy, increasing of mill product fineness and decreasing of grinding time. In addition the application of NaOH caused more effects on grinding process than STPP. Consequently the application of grinding aids on their optimized concentration provided considerable advantages which could apply in industrial units with respect to results of feasibility study.

 
Keyword(s): COMMINUTION, GRINDING AIDS, GRIND ABILITY, ROSIN - RAMELER FUNCTION, ANACONDA METHOD
 
References: 
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