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    STUDIA AMBIENTUM - Issue no. 1-2 / 2012  
         
  Article:   EXPERIMENTAL RESEARCHES REGARDING THE THERMAL BEHAVIOR OF ASBESTOS CEMENT WASTES USING THERMOGRAVIMETRIC ANALYSIS.

Authors:  SILVIAN IONESCU, CRISTIAN DEAC, TODERIŢA NEMEŞ, VALENTIN PETRESCU, MARIUS BIBU.
 
       
         
  Abstract:   The paper presents experimental laboratory studies for the inertisation of asbestos cement containing wastes through heat treatment. The objectives of this study were the characterisation of wastes, before and after the heat treatment and the determining of optimal inertisation parameters for the asbestos-containing wastes. The main stages of the experimental researches were the identification and preparation of samples, the calcination of samples and the thermogravimetric analysis of asbestos cement wastes. Following the researches, a heat treatment regime was identified that implied a lower calcination temperature (10500C as compared to 12000C) and a much lower duration (5 h instead of 16 h) than indicated in the previous studies found in the specialty literature.

Key words: wastes, asbestos, calcination, thermogravimetric analysis
 
         
     
         
         
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