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Non-sintered artificial aggregates made of ternary alkali-activated materials with natural carbonated MSWI fly ash incorporations

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成果类型:
期刊论文
作者:
Gong, Jing;Wang, Mengmeng;Yang, Guo;Guo, Han;Yao, Jie;...
通讯作者:
Yang, G;Sun, YB
作者机构:
[Gong, Jing; Wang, Mengmeng] Wuhan Polytech Univ, Sch Civil Engn & Architecture, Wuhan 430023, Peoples R China.
[Yang, Guo; Yang, G] Hohai Univ, Coll Civil & Transportat Engn, Nanjing 210098, Peoples R China.
[Zhong, Jing; Guo, Han] Harbin Inst Technol, Sch Civil Engn, Harbin 150001, Peoples R China.
[Yao, Jie] China State Construction Hailong Technol Co Ltd, Shenzhen 518000, Peoples R China.
[Tao, Yaxin] Swiss Fed Inst Technol, Inst Bldg Mat, CH-8093 Zurich, Switzerland.
通讯机构:
[Yang, G ; Sun, YB ] H
Hohai Univ, Coll Civil & Transportat Engn, Nanjing 210098, Peoples R China.
Hong Kong Polytech Univ, Dept Civil & Environm Engn, Hong Kong 999077, Peoples R China.
语种:
英文
关键词:
Artificial aggregates;MSWI fly ash;Alkali-activated materials;Natural carbonation;Microstructures
期刊:
Developments in the Built Environment
ISSN:
2666-1659
年:
2025
卷:
21
页码:
100603
基金类别:
Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science [CHCL19001]; National Natural Science Foundation of China [52408254]
机构署名:
本校为第一机构
院系归属:
土木工程与建筑学院
摘要:
This study investigates the utilization of municipal solid waste incineration (MSWI) fly ash (MFA) to produce non-sintered artificial aggregates (AAs) through alkali activation. To enhance its suitability, MFA underwent a six-month natural carbonation process to remove leachable salts and stabilize heavy metals, during which significant phase transformations were observed. The AAs were fabricated using ternary alkali-activated materials (AAMs) with varying MFA proportions through spray pelletization. Although higher MFA content reduced the strength of the AAs, this effect was counterbalanced b...

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