TY - GEN
T1 - Assessing the Impact of Petroleum Sludge Ash on the Compressive Strength of Fly Ash-Palm Oil Clinker Geopolymer Mortar
AU - Ismail, Amalina Hanani
AU - Kusbiantoro, Andri
AU - Tajunnisa, Yuyun
N1 - Publisher Copyright:
© The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.
PY - 2024
Y1 - 2024
N2 - Oil industries are one of the most critical industries with substantial production and closely related to the public interest. Two major oil industries, namely petroleum and palm oil, represent primary sources of consumer groups in Malaysia. However, these sectors inevitably generate waste and require disposal systems. Massive amounts of petroleum sludge generated from the refinery process, possess toxic contaminants requiring careful disposal. Similarly, palm oil production generates a hefty amount of by-products from its extraction process. Encapsulating these wastes in a cementitious medium is considered a more feasible solution than converting them for landfilling. Therefore, this study aims to utilize two wastes from palm oil and petroleum industries as binder materials in a geopolymer framework. To achieve this, palm oil clinker and petroleum sludge as the by-products from those respective industries, were subjected to mechanical grinding and incineration processes to improve their reactivity. Palm oil clinker powder (POCP) was included in the geopolymer mixture to replace 2.00–10.00% of fly ash as the source material. After obtaining the optimum POCP replacement, 0.20–1.00% of petroleum sludge ash (PSA) to be included in the geopolymer mortar to assess its impact on geopolymerization. Compressive strength was evaluated on 7, 28, and 90 days to determine the optimum proportion of fly ash, palm oil clinker, and petroleum sludge ash in geopolymer, particularly the proportion that carries the least negative effect onto the compressive strength performance. Based on the results, the ratio of 91.30% fly ash, 7.60% POCP and 1.10% PSA provided the most significant strength improvement among its peers. The encapsulation task of petroleum sludge ash in geopolymer has been well performed by the fly ash—palm oil clinker blend. It provides new opportunities to explore the alternative disposal method for these industrial by-products.
AB - Oil industries are one of the most critical industries with substantial production and closely related to the public interest. Two major oil industries, namely petroleum and palm oil, represent primary sources of consumer groups in Malaysia. However, these sectors inevitably generate waste and require disposal systems. Massive amounts of petroleum sludge generated from the refinery process, possess toxic contaminants requiring careful disposal. Similarly, palm oil production generates a hefty amount of by-products from its extraction process. Encapsulating these wastes in a cementitious medium is considered a more feasible solution than converting them for landfilling. Therefore, this study aims to utilize two wastes from palm oil and petroleum industries as binder materials in a geopolymer framework. To achieve this, palm oil clinker and petroleum sludge as the by-products from those respective industries, were subjected to mechanical grinding and incineration processes to improve their reactivity. Palm oil clinker powder (POCP) was included in the geopolymer mixture to replace 2.00–10.00% of fly ash as the source material. After obtaining the optimum POCP replacement, 0.20–1.00% of petroleum sludge ash (PSA) to be included in the geopolymer mortar to assess its impact on geopolymerization. Compressive strength was evaluated on 7, 28, and 90 days to determine the optimum proportion of fly ash, palm oil clinker, and petroleum sludge ash in geopolymer, particularly the proportion that carries the least negative effect onto the compressive strength performance. Based on the results, the ratio of 91.30% fly ash, 7.60% POCP and 1.10% PSA provided the most significant strength improvement among its peers. The encapsulation task of petroleum sludge ash in geopolymer has been well performed by the fly ash—palm oil clinker blend. It provides new opportunities to explore the alternative disposal method for these industrial by-products.
KW - Compressive strength
KW - Geopolymer
KW - Palm oil clinker
KW - Petroleum sludge
UR - http://www.scopus.com/inward/record.url?scp=85185840802&partnerID=8YFLogxK
U2 - 10.1007/978-981-99-6368-3_6
DO - 10.1007/978-981-99-6368-3_6
M3 - Conference contribution
AN - SCOPUS:85185840802
SN - 9789819963676
T3 - Lecture Notes in Civil Engineering
SP - 57
EP - 67
BT - Proceedings of the 3rd International Civil Engineering and Architecture Conference - CEAC 2023
A2 - Casini, Marco
PB - Springer Science and Business Media Deutschland GmbH
T2 - 3rd International Civil Engineering and Architecture Conference, CEAC 2023
Y2 - 17 March 2023 through 20 March 2023
ER -