Sinoh, Saznizam Sazmee and Ibrahim, Zainah and Othman, Faridah (2021) Life cycle assessment of palm oil clinker as a binder and aggregate replacement in concrete. Journal of Oil Palm Research, 33 (1). pp. 151-170. ISSN 1511-2780, DOI https://doi.org/10.21894/jopr.2020.0081.
Full text not available from this repository.Abstract
Palm oil clinker (POC) is a by-product derived from crude palm oil (CPO) production. Many studies have examined POC in concrete and it has often been stated as being environmentally sustainable. However, evidence to support these claims are not abundant in the literature. Therefore, this study aimed to assess the environmental impact of POC using a comparative, midpoints life cycle assessment approach based on 13 impact categories from ReCiPe2016. The use of POC as a binder replacement, fine aggregate and coarse aggregate was considered. Only production of cement, sand, gravel, POC and transportation were included in the system boundary. The construction, service and end-of-life phases were excluded. A volume of 1 m(3) mortar or concrete with similar compressive strength was used as the functional unit. Life cycle inventory data was obtained from the literature, Malaysia Life Cycle Inventory Database (MY-LCID) and Ecoinvent database. Economic and mass allocation factors were calculated for POC. Calculations indicated that the use of POC in mortar and concrete showed reductions in all impact categories when economically allocated. When mass allocated, POC contributed minimally to all impact categories except `Freshwater Eutrophication' and `Human Toxicity'. Despite these drawbacks, results show that use of POC resulted in an overall improvement for the environmental sustainability.
| Item Type: | Article |
|---|---|
| Funders: | Universiti Malaya Research Grant (GPF003A-2019), Universiti Malaya Research Grant (GPF010A-2019) |
| Uncontrolled Keywords: | Life cycle assessment; Palm oil clinker; Sustainable concrete; Binder replacement; Aggregate replacement; Environment impact |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Faculty of Engineering > Department of Civil Engineering |
| Depositing User: | Ms Zaharah Ramly |
| Date Deposited: | 30 May 2022 03:00 |
| Last Modified: | 30 May 2022 03:00 |
| URI: | http://eprints.um.edu.my/id/eprint/27175 |
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