I can post the whole analysis,its heavy reading and hugely technical but contains a lot of interesting information.Let me know and ill do my best to get it up here
SUMMARY
Pyrolysis of the torbanite and cannel coal from the
Alpha deposit in Queensland, Australia, produces a
product that is petrographically similar to both
natural sinters (natural cokes) and cokes produced in
a coke oven. The inertinite is virtually unaltered and
for the torbanite the vitrinite is transformed into a
mesophase, a form that is characteristic of strong
cokes. The formation of the mesophase is equivocal
in this study. However, it is probable that the spheres
on the surfaces of the pyrolyzed torbanite and cannel
coal are derived from caking of oil vapors.
Petrographic and SEM examination of the
torbanite and cannel coal after pyrolysis at 575°C
indicate that the residues have abundant pyrolysis-in-
duced porosity. This particular type of pore
development corresponds to a N:-BET surface area
in the pyrolyzed materials of ~12 m2/g for the
cannel coal and 38 m2/g for torbanite, reflecting,
principally, macro-pores. The heating-stage micro-
scopic examination showed that the bulk of the
macropores are formed during volatization of the
telalginite bodies at 460°C. The ovoid-shaped
macro-pores could be related to the structures and
configuration of the telalginites. The macro-pore
framework characteristic for the pyrolyzed materials,
particularly that of the torbanite samples, constitutes
an enormous infrastructure that readily allowed
steam to infiltrate during activation at 880'~C to
facilitate the development of higher surface areas.
N_,-BET analyses on steam-activated materials
showed a dramatic increase in overall surface areas of
up to 280 m2/g for the cannel coals and 350 m2/g for
the torbanites when compared to non-activated
samples. This study suggests that identification of
optimum activation conditions and the addition of
catalyst metals may further aid the development
of higher surface areas. In essence, this study revealed
that the Alpha resource materials, including torbanite
and cannel coal, may be suitable precursor materials
for the production of adsorbent carbons that may be
utilized to counteract environmental pollution.
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greenvale energy ltd
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