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    Review on the various ash from palm oil waste as geopolymer material

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    05_13413_zarina.pdf (2.694Mb)
    Date
    2013
    Author
    Zarina, Yahya
    Mohd Mustafa Al Bakri, Abdullah
    Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.
    Khairul Nizar, Ismail, Assoc. Prof. Dr.
    Rafiza, Abdul Razak
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    Abstract
    The solid waste from palm oil mill industry has been increasing annually where it has been reported that the palm oil waste was produced 4 million tons/years in Malaysia only. Hence, the solution to overcome the problems is to reuse the waste and produced new composites that are benefit. There are two types of palm ash waste which are palm oil fuel ash (POFA) and boiler ash. POFA is by product from power electricity generation plants that used palm oil shells and palm oil bunches as burn materials. Meanwhile boiler ash is the biomass known as mesocarp fiber and shell that consists of clinkers and ash that has been burnt in the boiler. Both of these ashes contain silica (Si) which has potential to develop as geopolymer composites. However, only POFA has been successfully produced ash geopolymer materials but it required other raw material that rich in alumina (Al) to produce geopolymer with suitable strength. In order to produce geopolymer, the POFA has been activated by alkaline activator consists of mixture of sodium silicate (Na2SiO3) and sodium hydroxide (NaOH). On the other hand, the use of boiler ash as geopolymer materials was never been investigated.
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    http://dspace.unimap.edu.my:80/dspace/handle/123456789/36152
    Collections
    • Mohd Mustafa Al Bakri Abdullah, Prof. Dr. [277]
    • Center of Excellence for Geopolymer and Green Technology (CEGEOGTECH) (Articles) [130]
    • School of Environmental Engineering (Articles) [125]
    • Rafiza Abd Razak, Dr. [43]
    • Zarina Yahya, Dr. [32]
    • Khairul Nizar Ismail, Associate Professor Dr. [54]
    • Kamarudin Hussin, Brig. Jen. Datuk Prof. Dr. [252]

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