Enhancement of Calcium Carbonate Precipitation in Seawater through Carbonation Process
This study discusses the effect of Magnesium ions on the polymorphic crystallization of calcium carbonate by precipitating carbonate minerals from seawater solutions containing different concentrations of Magnesium ions at various temperatures. Precipitated calcium carbonate were synthesized via...
Saved in:
Main Author: | |
---|---|
Format: | Final Year Project |
Published: |
Universiti Teknologi Petronas
2011
|
Subjects: | |
Online Access: | http://utpedia.utp.edu.my/428/ |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
id |
my-utp-utpedia.428 |
---|---|
record_format |
eprints |
spelling |
my-utp-utpedia.4282017-01-19T15:45:15Z http://utpedia.utp.edu.my/428/ Enhancement of Calcium Carbonate Precipitation in Seawater through Carbonation Process Mas Izyan Bt Husin, Mas Izyan TP Chemical technology This study discusses the effect of Magnesium ions on the polymorphic crystallization of calcium carbonate by precipitating carbonate minerals from seawater solutions containing different concentrations of Magnesium ions at various temperatures. Precipitated calcium carbonate were synthesized via the carbonation process, the morphology changes and the particles structure were identified by the scanning electron microscopy, SEM and X-Ray Diffraction, XRD, respectively. The experimental results indicated that the concentration of Magnesium ions and temperature affect remarkably the calcite and aragonite formation. At lower suspension concentration, 0.5 M MgCl2, cubic calcite particles were formed; calcite coexisted with aragonite in medium suspension, 1.0 M MgCl2 and as the suspension grew higher, 1.5 M MgCl2, needle-like aragonite particles were obtained. As for the effect of temperature variations, the formation of calcite was favoured at lower temperature, 30°C. Aragonite starts to appear together with calcite as temperature increases at 50°C and 70°C. Relevant theories from literature were applied as reference in the experimental work and it was found that results obtained from the study corresponded to previous experiments done. Conclusively, the study has proven that Magnesium ion addition and temperature variation has effect on the morphology of precipitated calcium carbonate particles in seawater. These findings would be beneficial in contributing to the production of precipitated calcium carbonate due to the raw materials availability and their low costs, as well as natural sequestrating carbon dioxide and storing it in the form of CaCO3. Universiti Teknologi Petronas 2011-05 Final Year Project NonPeerReviewed Mas Izyan Bt Husin, Mas Izyan (2011) Enhancement of Calcium Carbonate Precipitation in Seawater through Carbonation Process. Universiti Teknologi Petronas, Sri Iskandar,Tronoh,Perak. (Unpublished) |
institution |
Universiti Teknologi Petronas |
building |
UTP Resource Centre |
collection |
Institutional Repository |
continent |
Asia |
country |
Malaysia |
content_provider |
Universiti Teknologi Petronas |
content_source |
UTP Electronic and Digitized Intellectual Asset |
url_provider |
http://utpedia.utp.edu.my/ |
topic |
TP Chemical technology |
spellingShingle |
TP Chemical technology Mas Izyan Bt Husin, Mas Izyan Enhancement of Calcium Carbonate Precipitation in Seawater through Carbonation Process |
description |
This study discusses the effect of Magnesium ions on the polymorphic
crystallization of calcium carbonate by precipitating carbonate minerals from
seawater solutions containing different concentrations of Magnesium ions at various
temperatures. Precipitated calcium carbonate were synthesized via the carbonation
process, the morphology changes and the particles structure were identified by the
scanning electron microscopy, SEM and X-Ray Diffraction, XRD, respectively. The
experimental results indicated that the concentration of Magnesium ions and
temperature affect remarkably the calcite and aragonite formation. At lower
suspension concentration, 0.5 M MgCl2, cubic calcite particles were formed; calcite
coexisted with aragonite in medium suspension, 1.0 M MgCl2 and as the suspension
grew higher, 1.5 M MgCl2, needle-like aragonite particles were obtained. As for the
effect of temperature variations, the formation of calcite was favoured at lower
temperature, 30°C. Aragonite starts to appear together with calcite as temperature
increases at 50°C and 70°C. Relevant theories from literature were applied as
reference in the experimental work and it was found that results obtained from the
study corresponded to previous experiments done. Conclusively, the study has
proven that Magnesium ion addition and temperature variation has effect on the
morphology of precipitated calcium carbonate particles in seawater. These findings
would be beneficial in contributing to the production of precipitated calcium
carbonate due to the raw materials availability and their low costs, as well as natural
sequestrating carbon dioxide and storing it in the form of CaCO3. |
format |
Final Year Project |
author |
Mas Izyan Bt Husin, Mas Izyan |
author_facet |
Mas Izyan Bt Husin, Mas Izyan |
author_sort |
Mas Izyan Bt Husin, Mas Izyan |
title |
Enhancement of Calcium Carbonate Precipitation in Seawater
through Carbonation Process |
title_short |
Enhancement of Calcium Carbonate Precipitation in Seawater
through Carbonation Process |
title_full |
Enhancement of Calcium Carbonate Precipitation in Seawater
through Carbonation Process |
title_fullStr |
Enhancement of Calcium Carbonate Precipitation in Seawater
through Carbonation Process |
title_full_unstemmed |
Enhancement of Calcium Carbonate Precipitation in Seawater
through Carbonation Process |
title_sort |
enhancement of calcium carbonate precipitation in seawater
through carbonation process |
publisher |
Universiti Teknologi Petronas |
publishDate |
2011 |
url |
http://utpedia.utp.edu.my/428/ |
_version_ |
1739830657890123776 |
score |
13.160551 |