Recycling of coal bottom ash (CBA) as cement and aggregate replacement material: A review

R., Embong and A., Kusbiantoro and K., Muthusamy and N., Ismail (2021) Recycling of coal bottom ash (CBA) as cement and aggregate replacement material: A review. In: IOP Conference Series: Earth and Environmental Science, 4th National Conference on Wind & Earthquake Engineering , 16-17 October 2020 , Putrajaya, Malaysia. pp. 1-14., 682 (012035). ISSN 1755-1307

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Abstract

The construction sector is a significant contributor to greenhouse gas emissions that contribute to global warming. Therefore, utilizing 'green and recycled by-products' in construction is a measure towards a sustainable future. Coal Bottom Ash (CBA) generated from thermal power plants has increases in production. This causes disposal problems. However, due to the ongoing depletion of natural limestone in cement production and aggregate in construction, this material may be used as a recycled construction material. This paper presents a comprehensive analysis of CBA's physical and chemical properties and the impact on the use of CBA as aggregate or cement. A small volume of CBA can substitute fine aggregates without compromising the strength of the concrete. Further research remains to be carried to explore the potential of this material in producing concrete with enhanced strength.

Item Type: Conference or Workshop Item (Lecture)
Additional Information: Indexed by Scopus
Uncontrolled Keywords: Bottom ash; Cement production; Comprehensive analysis; Construction sectors; Fine aggregates; Physical and chemical properties; Replacement materials; Thermal power plants
Subjects: Q Science > QD Chemistry
T Technology > T Technology (General)
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TP Chemical technology
Faculty/Division: College of Engineering
Faculty of Civil Engineering Technology
Depositing User: Mr Muhamad Firdaus Janih@Jaini
Date Deposited: 31 Oct 2022 06:32
Last Modified: 31 Oct 2022 06:32
URI: http://umpir.ump.edu.my/id/eprint/35424
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