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@ARTICLE{Schupsky:875297,
author = {Schupsky, Jan Peter and Wu, Guixuan and Guo, Muxing and
Müller, Michael},
title = {{C}rystallisation characteristics and crystal phase
quantification of a synthetic lignite gasifier slag system},
journal = {Fuel processing technology},
volume = {201},
issn = {0378-3820},
address = {New York, NY [u.a.]},
publisher = {Science Direct},
reportid = {FZJ-2020-01928},
pages = {106345 -},
year = {2020},
abstract = {The scope of this study is to investigate the
crystallisation phenomenon of a synthetic
SiO2-Al2O3-CaO-Fe2O3-MgO slag system. Firstly, the
crystallised phases were predicted by thermodynamic
equilibrium calculations. Subsequently, quenching
experiments and confocal laser scanning microscope (CLSM)
investigations were performed to validate the
crystallisation characteristics of the synthetic slag
system. Crystallisation kinetics was examined by isothermal
quenching and continuous cooling CLSM experiments. The
generated samples were analysed by microscopy, XRD, and SEM
to determine the crystallised phases by their structure and
chemical composition. A detailed insight of the evolution of
crystal morphology growth was given. The shape of the two
dominant phases: melilite and olivine were described and
three-dimensional morphologies were defined for both phases.
Additionally, the morphologies were quantified by length and
aspect ratio measurements of individual crystals. The
morphological information of the olivine and melilite phase,
provided in this study, can be used as datasets for a
viscosity model for partially crystallised slags. A
conceptual viscosity model to be implemented in the next
paper of this series, using specialised crystal morphology
datasets, can serve a major contribution to forecast slag
behaviour and to support the stability of industrial
gasifier operation.},
cin = {IEK-2},
ddc = {660},
cid = {I:(DE-Juel1)IEK-2-20101013},
pnm = {113 - Methods and Concepts for Material Development
(POF3-113)},
pid = {G:(DE-HGF)POF3-113},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000521519800016},
doi = {10.1016/j.fuproc.2020.106345},
url = {https://juser.fz-juelich.de/record/875297},
}