Use of sewage sludge ash as a cement replacement in concrete: A review / Amminudin Ab Latif, Ainamardia Nazarudin and Noor Safwan Muhamad

Ab Latif, Amminudin and Nazarudin, Ainamardia and Muhamad, Noor Safwan (2020) Use of sewage sludge ash as a cement replacement in concrete: A review / Amminudin Ab Latif, Ainamardia Nazarudin and Noor Safwan Muhamad. Gading Journal of Science and Technology, 3 (2). pp. 59-65. ISSN (e-ISSN) : 2637 - 0018

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Abstract

Rapid industrial development and population growth in countries around the world have increased the production of sewage sludge. Sewage sludge is a waste product of the sewage treatment plant processes. The sewage treatment plants produce a large volume of wastewater every day in order to control the quality of the effluent released into a river or the sea. Instead of disposing of the sewage sludge at landfills, using sewage sludge as a recycle material could minimize the need for a new disposal area and consequently reduce the negative impact on the environment. Many studies have been conducted to examine the use of sewage sludge ash as a recycle material. This paper reviews the use of sewage sludge ash as a cement replacement in concrete production. Sewage sludge ash is a powdered material that contains a high percentage of SiO2, Al2O3, Fe2O3, CaO, P2O5 and SO3, and shows moderate reactivity in terms of pozzolanicity. Most of the researchers burned the sewage sludge at a temperature range of between 600°C - 900°C to produce sewage sludge ash. The partial replacement of cement with sewage sludge ash promoted an increase in the compressive and flexural strength of concrete. Meanwhile, the replacement of 5% sewage sludge ash by weight of cement was considered to be an optimum content in obtaining the best mechanical performance of concrete. Furthermore, the workability of concrete after 28-days was improved with the addition of SSA.

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Item Type: Article
Creators:
Creators
Email
Ab Latif, Amminudin
UNSPECIFIED
Nazarudin, Ainamardia
ainamardia0403@uitm.edu.my
Muhamad, Noor Safwan
UNSPECIFIED
Subjects: T Technology > TA Engineering. Civil engineering > Building materials
T Technology > TA Engineering. Civil engineering > Reinforced concrete
T Technology > TD Environmental technology. Sanitary engineering > Sewage sludge
Divisions: Universiti Teknologi MARA, Pahang > Jengka Campus
Journal or Publication Title: Gading Journal of Science and Technology
UiTM Journal Collections: UiTM Journal > Gading Journal of Science and Technology (GADINGS&T)
ISSN: (e-ISSN) : 2637 - 0018
Volume: 3
Number: 2
Page Range: pp. 59-65
Official URL: http://www.gadingst.learningdistance.org/index.php...
Item ID: 45944
Uncontrolled Keywords: Cement replacement, Pozzolanic, Sewage sludge
URI: https://ir.uitm.edu.my/id/eprint/45944

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45944

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