Soluble Pozzolanic materials from coal bottom ash as cement replacement material

Nowadays, intensive research in production of highly reactive pozzolanic materials from industrial waste to replace cement is crucial. This action expected to increase industrial waste recycling rate and at the same time reduce extraction of non-renewable resources of limestone. Unique characteristi...

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Main Authors: Rahimah, Embong, Andri, Kusbiantoro, Azrina, Abd Aziz, Khairunisa, Muthusamy
Format: Conference or Workshop Item
Language:English
English
Published: Trans Tech Publications, Switzerland 2021
Subjects:
Online Access:http://umpir.ump.edu.my/id/eprint/38629/
http://umpir.ump.edu.my/id/eprint/38629/1/Soluble%20pozzolanic%20materials%20from%20coal%20bottom%20ash%20as%20cement%20replacement%20material.pdf
http://umpir.ump.edu.my/id/eprint/38629/2/Soluble%20pozzolanic%20materials%20from%20coal%20bottom%20ash%20as%20cement%20replacement%20material_FULL.pdf
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author Rahimah, Embong
Andri, Kusbiantoro
Azrina, Abd Aziz
Khairunisa, Muthusamy
author_facet Rahimah, Embong
Andri, Kusbiantoro
Azrina, Abd Aziz
Khairunisa, Muthusamy
author_sort Rahimah, Embong
building UMP Institutional Repository
collection Online Access
description Nowadays, intensive research in production of highly reactive pozzolanic materials from industrial waste to replace cement is crucial. This action expected to increase industrial waste recycling rate and at the same time reduce extraction of non-renewable resources of limestone. Unique characteristics of coal bottom ash as one of the industrial based pozzolan gained less popularity because of its low reactivity and heavy metal leaching due to conventional method used for disposal. Therefore, an alternative approach was deliberated in this research to utilize coal bottom ash into soluble form and enhance the quality of bottom ash as pozzolanic material. Coal bottom ash after the acid washing with optimum parameter was then undergoes solution-gelification process with various alkali based solution for 2 hours soaking durations. The conversion of coal bottom ash into soluble silica in this study demonstrates good pozzolanic performance in a state of siliceous gel pozzolan compared to the raw ones. 5% of cement replacement by soluble silica from CBA shows good strength development from early and later age. The physical dispersion effect is the cumulative effect of enhancement cement hydration due to the availability of increased the nucleation sites on soluble silica particles.
first_indexed 2025-11-15T03:30:48Z
format Conference or Workshop Item
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institution Universiti Malaysia Pahang
institution_category Local University
language English
English
last_indexed 2025-11-15T03:30:48Z
publishDate 2021
publisher Trans Tech Publications, Switzerland
recordtype eprints
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spelling ump-386292023-10-27T02:46:48Z http://umpir.ump.edu.my/id/eprint/38629/ Soluble Pozzolanic materials from coal bottom ash as cement replacement material Rahimah, Embong Andri, Kusbiantoro Azrina, Abd Aziz Khairunisa, Muthusamy TA Engineering (General). Civil engineering (General) TH Building construction Nowadays, intensive research in production of highly reactive pozzolanic materials from industrial waste to replace cement is crucial. This action expected to increase industrial waste recycling rate and at the same time reduce extraction of non-renewable resources of limestone. Unique characteristics of coal bottom ash as one of the industrial based pozzolan gained less popularity because of its low reactivity and heavy metal leaching due to conventional method used for disposal. Therefore, an alternative approach was deliberated in this research to utilize coal bottom ash into soluble form and enhance the quality of bottom ash as pozzolanic material. Coal bottom ash after the acid washing with optimum parameter was then undergoes solution-gelification process with various alkali based solution for 2 hours soaking durations. The conversion of coal bottom ash into soluble silica in this study demonstrates good pozzolanic performance in a state of siliceous gel pozzolan compared to the raw ones. 5% of cement replacement by soluble silica from CBA shows good strength development from early and later age. The physical dispersion effect is the cumulative effect of enhancement cement hydration due to the availability of increased the nucleation sites on soluble silica particles. Trans Tech Publications, Switzerland 2021 Conference or Workshop Item PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/38629/1/Soluble%20pozzolanic%20materials%20from%20coal%20bottom%20ash%20as%20cement%20replacement%20material.pdf pdf en http://umpir.ump.edu.my/id/eprint/38629/2/Soluble%20pozzolanic%20materials%20from%20coal%20bottom%20ash%20as%20cement%20replacement%20material_FULL.pdf Rahimah, Embong and Andri, Kusbiantoro and Azrina, Abd Aziz and Khairunisa, Muthusamy (2021) Soluble Pozzolanic materials from coal bottom ash as cement replacement material. In: Key Engineering Materials; 4th National Conference on Wind and Earthquake Engineering, NCWE 2020 , 16 - 17 October 2020 , Gambang, Kuantan. pp. 68-80., 879. ISSN 1013-9826 (print); 1662-9795 (online) ISBN 978-303573830-8 (Published) https://doi.org/10.4028/www.scientific.net/KEM.879.68
spellingShingle TA Engineering (General). Civil engineering (General)
TH Building construction
Rahimah, Embong
Andri, Kusbiantoro
Azrina, Abd Aziz
Khairunisa, Muthusamy
Soluble Pozzolanic materials from coal bottom ash as cement replacement material
title Soluble Pozzolanic materials from coal bottom ash as cement replacement material
title_full Soluble Pozzolanic materials from coal bottom ash as cement replacement material
title_fullStr Soluble Pozzolanic materials from coal bottom ash as cement replacement material
title_full_unstemmed Soluble Pozzolanic materials from coal bottom ash as cement replacement material
title_short Soluble Pozzolanic materials from coal bottom ash as cement replacement material
title_sort soluble pozzolanic materials from coal bottom ash as cement replacement material
topic TA Engineering (General). Civil engineering (General)
TH Building construction
url http://umpir.ump.edu.my/id/eprint/38629/
http://umpir.ump.edu.my/id/eprint/38629/
http://umpir.ump.edu.my/id/eprint/38629/1/Soluble%20pozzolanic%20materials%20from%20coal%20bottom%20ash%20as%20cement%20replacement%20material.pdf
http://umpir.ump.edu.my/id/eprint/38629/2/Soluble%20pozzolanic%20materials%20from%20coal%20bottom%20ash%20as%20cement%20replacement%20material_FULL.pdf