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   Experimental Study of Calcination-Carbonation Process for the Production of Precipitated Calcium Carbonate  
   
نویسنده AFRIDI SHER KHAN ,BHATTY MUSTANSIR BILLAH ,AHMED ANWAR SAEED ,SAEED MUHAMMAD TARIQ ,AHMAD SAMEER
منبع journal of the chemical society of pakistan - 2008 - دوره : 30 - شماره : 4 - صفحه:559 -562
چکیده    The limestone of swabi district was used to produce precipitated calcium carbonate. the optimum calcination temperature and time was found to be 1000°c-1100°c and 3 hours to 4 hours respectively. the results show that the stirrer speed of 130 rpm is the most suitable, as higher speed causes attrition of precipitates the required particle size of precipitates of calcium carbonate can be achieved by choosing the right concentration of calcium hydroxide suspension. the impurities provide additional nucleus for precipitate formation affecting brightness and specific gravity of the product.
آدرس PCSIR Laboratories Complex, Pakistan, PCSIR Laboratories Complex, Pakistan, PCSIR Laboratories Complex, Pakistan, PCSIR Laboratories Complex, Pakistan, PCSIR Laboratories Complex, Pakistan
 
     
   
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