| Summary: | Wastepaper sludge ash (WSA) is generated during the recycling of paper, which is an industrial by-product can induce pollution to the environment. Due to its effect related to pollution, a generic review on its application is required. Despite many researchers conducted in the world to resolve the application of WSA as a sustainable material, the effects of WSA as a cementitious material in its application is still limited assess. Hence, this paper presents a generic review on the effect of WSA as a cementitious material. The generic review on WSA in term of its physical properties, chemical properties, reactive properties and application of WSA in the industry was carried out. From the review on WSA properties, it is found that the WSA has good potential as one of the important materials in the construction industry especially in the production of concrete, brick, mortar, soil stabilizing additive, rigid pavement and controlled low-strength materials (CLSM). © Published under licence by IOP Publishing Ltd.
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