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[31504] Artykuł: Characterization of the bottom dross formed during batch hot-dip galvanizing and and its refiningCzasopismo: Acta Metalurgica Slovaca Tom: 16, Zeszyt: 3, Strony: 151-156ISSN: 1335-1532 Opublikowano: 2010 Autorzy / Redaktorzy / Twórcy Grupa MNiSW: Publikacje w czasopismach zagranicznych (adres redakcji poza Polską) wydawanych w języku angielskim (w czasopiśmie niewymienionym w wykazie MNiSzW). Grupa nie występuje w latach 2011 i 2012 Punkty MNiSW: 2 ![]() Keywords: galvanization  microstructure  intermetallics  X-ray diffraction  dross formation  refining  |
During the process of hot-dip galvanizing some byproducts are formed. The present work is aimed at the characterization of bottom dross formed during batch hot-dip galvanizing process and its refining. Atomic Absorption Spectroscopy (AAS) provided chemical analysis. Microstructure of the bottom dross was characterized using light microscopy and Scanning Electron Microscopy (SEM) in combination with Energy Dispersive X-ray analysis (EDX). Phase composition was studied by X-Ray Diffraction (XRD) method. Refinement of the bottom dross was performed in order to iron removing by aluminium addition at selected processing parameters (amount of aluminium addition and refining duration). Experiments revealed significant decrease of iron in the bottom parts of refined samples. Aluminium abundance and increasing of refining duration showed no positive effect on refining efficiency.