V č lanku je predstavljena metoda na č rtovanja procesa kristalizacije kalijevega nitrata z želeno velikostjo delcev. Kot osnovo smo uporabili Taguchi-jevo metodo dolo č anja optimalnih parametrov ...procesa z minimalnim številom eksperimentov, ki jo je bilo za prou č evanje kristalizacije potrebnomodificirati. Spreminjali smo glavne parametre kristalizacije, ki vplivajo na velikost delcev (hitrost ohlajanja suspenzije, hitrost mešala, dodatek razli č nih topil) in prou č ili njihove medsebojne vplive. Za dolo č itev velikosti in porazdelitve delcev je bila uporabljena sejalna analiza. Na osnovi standardne ortogonalne tabele smo dolo č ili število in zaporedje eksperimentov. Kristalizacijo smo izvajali v avtomatskem laboratorijskem reakcijskem kalorimetru RC1 (Mettler Toledo), ki je omogo č al vzdrževanje konstantnih parametrov procesa in zagotovil ponovljivost rezultatov. Analiza variance velikosti delcev je bila narejena s statisti č no metodo ANOVA . Dolo č ili smo klju č ne parametre za izbrano velikost delcev in njihove optimalne vrednosti.
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