Abdul Rahim Abdul Razak
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Preferred name
Abdul Rahim Abdul Razak
Official Name
Abdul Rahim, Abdul Razak
Alternative Name
Razak, A. Rahim A.
Rahim Abd Razak, A.
Razak, Abdul Rahim Bin Abdul
Razak, Abdul
Main Affiliation
Scopus Author ID
36608941900
Researcher ID
CAK-1186-2022

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  • Publication
    Reclamation and Reutilization of Incinerator Ash in Artificial Lightweight Aggregate
    ( 2022-01-01)
    Norlia Mohamad Ibrahim
    ;
    Roshazita Che Amat
    ;
    Mustaqqim Abdul Rahim
    ;
    Nur Liza Rahim
    ;
    Abdul Rahim Abdul Razak
    This study focused on the reclamation of ash from incineration process and development of new artificial lightweight aggregate (LWA) that have comparable properties with existing natural coarse aggregate. The main objective of this study is to examine potential use of recycled municipal solid waste incineration (MSWI) ash as raw material in LWA production with a method of cold-bonded pelletization. Two types of incineration ash which is bottom ash (BA) and fly ash (FA) were collected from Cameron Highland Incineration Plant, Malaysia. The properties of BA and FA are studied by means of X-Ray Fluorescence (XRF) and microstructure of these ashes were inspected using Scanning Electron Microscope (SEM). The properties of BALA and FALA produced in this study is examined including loose bulk density, water absorption and aggregate impact value (AIV). From the results of both types of artificial LWA, the lowest loose bulk density of BALA is BALA50 with 564.14 kg/m3and highest is at 831.19 kg/m3. For FALA50, lowest loose bulk density is 573.64 kg/m3and highest is 703.35 kg/m3. Water absorption of BALA and FALA is quite similar with one another in with the value of 23.8% and 22.6%, respectively. Generally, FALA have better qualities of LWA comparing with BALA with lower bulk density and water absorption and can be categorized as strong aggregate. In summary, reclamation and reutilization of incinerator ash has generated acceptable qualities for artificial LWA. Both types of BA and FA shown a great potential to be recycled as additional materials in artificial aggregate production.