N2O-CaO-Al2O3-SiO2系合成沸石之研究：(II)ALBITE-ANORTHITE-SiO2系合成沸石
Date Issued
2001
Date
2001
Author(s)
羅煥記
DOI
892116M002043
Abstract
Synthetic glasses with the
compositions of albite-anorthite-SiO2
system were used as starting materials to
synthesize zeolites in alkaline solutions
( NaCl and NaOH mixied solution and
Na2CO3 solution ). Experimental
conditions were set as: vapor pressures,
100°∼ 200℃, solution concentrations
of 0.1 ∼ 1M, and 1 ~ 60 days.
Experimental results are as follows.
Firstly, Na-rich plagioclases are easy to
transform to analcime, p-zeolite and
chabazite, but they are ready to
transform to mordenite when sufficient
amount of silica can be supplied from
the plagioclase-bearing rocks during
their alteration in marine or salt lake
environment. This is agreed with field
observations. Secondly, thomsonite and
garronite, and p-zeolite, gismondine and
gobbinsite are easy to be synthesized
from Ca-rich plagioclases in marine and
salt lake environments, respectively,
harmotome is favored to form when
sufficient amount of silica can be
supplied from alteration of Ca-rich
plagioclase-bearing rocks in marine and
salt lake environments
Subjects
plagioclase
analcime
p-zeolite
chabazite
thomsonite
mordenite
harmotome
SDGs
Publisher
臺北市：國立臺灣大學地質科學系暨研究所
Type
report
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