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Mechanical activation improves reactivity and reduces leaching of municipal solid waste incineration (MSWI) bottom ash in cement hydration system

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成果类型:
期刊论文
作者:
Gong, Jing;Yu, Lili;Li, Zhipeng;Shi, Xianming
通讯作者:
Zhipeng Li
作者机构:
[Gong, Jing] Wuhan Polytech Univ, Sch Civil Engn & Architecture, Wuhan 430023, Peoples R China.
[Gong, Jing] Wuchang Univ Technol, Intelligent Construct Coll, Wuhan 430223, Peoples R China.
[Gong, Jing] Hunan Univ Sci & Technol, Sch Architecture & Art Design, Xiangtan 411201, Peoples R China.
[Yu, Lili] United Design Grp Co Ltd Xin Rui, Wuhan 430000, Peoples R China.
[Shi, Xianming; Li, Zhipeng] Washington State Univ, Natl Ctr Transportat Infrastructure Durabil & Life, Dept Civil & Environm Engn, POB 642910, Pullman, WA 99164 USA.
通讯机构:
[Zhipeng Li] N
National Center for Transportation Infrastructure Durability & Life-Extension, Department of Civil & Environmental Engineering, Washington State University, P.O. Box 642910, Pullman, WA, 99164-2910, United States
语种:
英文
关键词:
MSWI;Bottom ash;Mechanical activation;Reactivity;Leaching;Toxicity
期刊:
Journal of Cleaner Production
ISSN:
0959-6526
年:
2022
卷:
363
页码:
132533
基金类别:
CRediT authorship contribution statement Jing Gong: Methodology, Validation, Investigation, acquisition, Supervision, Resources. Lili Yu: Data curation, Writing – original draft. Zhipeng Li: Conceptualization, Methodology, Supervision, Writing – review & editing. Xianming Shi: Conceptualization, Methodology, Supervision, Writing – review & editing.
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 laboratory study explores the effects of mechanical activation on the properties of municipal solid waste incineration (MSWI) bottom ash (BA) in a cement hydration system. The experimental results showed that the mechanical activation effectively reduced the particle size of municipal solid waste incineration bottom ash (MSWIBA), increased its specific surface area by about 770%, 1674%, and 1990%, and improved the 28d compressive strength of bottom ash-cement paste samples by about 5%, 14%, and 8% after milling of 15min, 30min, and 45min, respectively. The scanning electron microscopy rev...

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