Synergy effects of phosphogypsum on the hydration mechanism and mechanical properties of alkali-activated slag in polysilicon sludge solidification

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成果类型：

期刊论文

作者：

Tian, Dongyang;Jiang, Hua;Qiu, Zedong;Lv, Maorong;Cong, Xinyu;...

通讯作者：

Yang, Xiaocong;Lu, S

作者机构：

[Qiu, Zedong; Yang, Xiaocong; Wu, Xiangguo; Lu, Shuang; Tian, Dongyang; Yang, XC; Lv, Maorong; Jiang, Hua] Harbin Inst Technol, Sch Civil Engn, Harbin 150090, Peoples R China.

[Cong, Xinyu] Northeast Forestry Univ, Sch Civil Engn & Transportat, Harbin 150040, Peoples R China.

[Lu, Shuang] China Bldg Mat Acad, State Key Lab Green Bldg Mat, Beijing 100024, Peoples R China.

[Gong, Jing] Wuhan Polytech Univ, Sch Civil Engn & Architecture, Wuhan 430023, Peoples R China.

通讯机构：

[Yang, XC; Lu, S ] H

Harbin Inst Technol, Sch Civil Engn, Harbin 150090, Peoples R China.

语种：

英文

关键词：

Polysilicon sludge;Phosphogypsum;Alkali-activated slag;Hydration;Heavy metal leaching

期刊：

Construction and Building Materials

ISSN：

0950-0618

年：

2024

卷：

456

页码：

139386

DOI：

10.1016/j.conbuildmat.2024.139386

基金类别：

CRediT authorship contribution statement Dongyang Tian: Writing – original draft, Validation, Methodology, Formal analysis, Data curation. Hua Jiang: Writing – review & editing, Validation, Methodology. Jing Gong: Validation, Supervision, Conceptualization. Xiaocong Yang: Validation, Methodology, Data curation. shuang lu: Writing – review & editing, Validation, Supervision, acquisition, Conceptualization. Zedong Qiu: Project administration, Investigation, Data curation. Maorong Lv: Project administration, Investigation, Data

机构署名：

本校为其他机构

院系归属：

土木工程与建筑学院

摘要：

Polysilicon sludge (PSS), due to its high organic impurity content, poses significant challenges in solidification using traditional cementitious materials, failing to meet engineering standards. As such, alternative solidification methods are urgently needed to enhance PSS resource utilization. This study explores the use of phosphogypsum (PG) to improve the alkali activation process in the solidification of PSS with slag. Given that calcium sulfate in PG promotes alkali activation, this research investigates the synergistic effects of PG, PSS...

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Synergy effects of phosphogypsum on the hydration mechanism and mechanical properties of alkali-activated slag in polysilicon sludge solidification

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