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Effects of nano palm oil fuel ash on hydration of cement under the accelerated carbonation curing
- Authors
- Wi, Kwangwoo; Wang, Kejin; Han, Jaedo; Lee, Han-Seung; Lim, Seungmin
- Issue Date
- Nov-2022
- Publisher
- Elsevier BV
- Keywords
- Nano palm oil fuel ash; Accelerated carbonation curing; Microstructure
- Citation
- Materials Letters, v.327, pp 1 - 4
- Pages
- 4
- Indexed
- SCIE
SCOPUS
- Journal Title
- Materials Letters
- Volume
- 327
- Start Page
- 1
- End Page
- 4
- ISSN
- 0167-577X
1873-4979
- Abstract
- The ultimate goal of usage of supplementary cementitious materials and accelerated carbonation curing in concrete is to reduce the generation of CO2. This study firstly investigated the effect of nano Palm Oil Fuel Ash (nPOFA) on the accelerated carbonation curing of cement paste. The results showed that P30 (30% of nPOFA) had larger amounts of Ca-modified silica gel from the decalcification of CSH and calcium carbonate compared to P0 (0% of nPOFA). It might be assumed that high contents of potassium oxide in nPOFA accelerates the ionization of CO2 and carbonation of calcium silicates and hydration products.
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Related Researcher
- Lee, Han Seung
- ERICA 공학대학 (MAJOR IN ARCHITECTURAL ENGINEERING)