Characteristics of Treated Palm Oil Fuel Ash and its Effects on Properties of High Strength Concrete. Zeyad, A., Johari, M. M., Bunnori, N. M., Ariffin, K., & Altwair, N. M. Advanced Materials Research, 626:152–156, December, 2012.
Characteristics of Treated Palm Oil Fuel Ash and its Effects on Properties of High Strength Concrete [link]Paper  doi  abstract   bibtex   
Palm oil fuel ash obtained from palm oil mill was treated via screening, grinding and heating to improve its pozzolanic reactivity. The characteristics of the palm oil fuel ash before and after treatment were monitored to assess the changes in the properties of the palm oil fuel ash. The resulting ultrafine palm oil fuel ash was then utilized to produce high strength concrete by replacing the ordinary Portland cement at 0, 20, 40 and 60% on mass-for-mass basis. The results show that the treatment process undertaken reduces the particle size, diminishes the unburned carbon content, while at the same time increases the glassy phases. The utilization of the ultrafine palm oil fuel ash in high strength concrete was observed to improve workability especially at higher ultrafine palm oil fuel ash content. In addition, the long-term compressive strength of the high strength concrete was significantly increased with the ultrafine palm oil fuel ash inclusion. Further, the long-term rapid chloride permeability was significant reduced especially at higher ultrafine palm oil fuel ash content of 60%, which could be translated into superior durability performance.
@article{zeyad_characteristics_2012,
	title = {Characteristics of {Treated} {Palm} {Oil} {Fuel} {Ash} and its {Effects} on {Properties} of {High} {Strength} {Concrete}},
	volume = {626},
	issn = {1662-8985},
	url = {https://www.scientific.net/AMR.626.152},
	doi = {10.4028/www.scientific.net/AMR.626.152},
	abstract = {Palm oil fuel ash obtained from palm oil mill was treated via screening, grinding and heating to improve its pozzolanic reactivity. The characteristics of the palm oil fuel ash before and after treatment were monitored to assess the changes in the properties of the palm oil fuel ash. The resulting ultrafine palm oil fuel ash was then utilized to produce high strength concrete by replacing the ordinary Portland cement at 0, 20, 40 and 60\% on mass-for-mass basis. The results show that the treatment process undertaken reduces the particle size, diminishes the unburned carbon content, while at the same time increases the glassy phases. The utilization of the ultrafine palm oil fuel ash in high strength concrete was observed to improve workability especially at higher ultrafine palm oil fuel ash content. In addition, the long-term compressive strength of the high strength concrete was significantly increased with the ultrafine palm oil fuel ash inclusion. Further, the long-term rapid chloride permeability was significant reduced especially at higher ultrafine palm oil fuel ash content of 60\%, which could be translated into superior durability performance.},
	urldate = {2019-11-20},
	journal = {Advanced Materials Research},
	author = {Zeyad, A.M. and Johari, M.A. Megat and Bunnori, Norazura Muhamad and Ariffin, K.S. and Altwair, Nurdeen M.},
	month = dec,
	year = {2012},
	pages = {152--156},
}

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