Sodium polyacrylate-modified bentonite-fly ash composite for coal gangue backfill sites: A sustainable strategy for enhanced impermeability and immobilization of heavy metals.

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Title: Sodium polyacrylate-modified bentonite-fly ash composite for coal gangue backfill sites: A sustainable strategy for enhanced impermeability and immobilization of heavy metals.
Authors: Chen M; School of Chemical & Environmental Engineering, China University of Mining & Technology, Beijing, 100083, China., Zhang K; School of Chemical & Environmental Engineering, China University of Mining & Technology, Beijing, 100083, China. Electronic address: zhangkai@cumtb.edu.cn., Li B; School of Chemical & Environmental Engineering, China University of Mining & Technology, Beijing, 100083, China., Wang F; School of Chemical & Environmental Engineering, China University of Mining & Technology, Beijing, 100083, China., Wang Y; School of Chemical & Environmental Engineering, China University of Mining & Technology, Beijing, 100083, China., Sun Y; School of Chemical & Environmental Engineering, China University of Mining & Technology, Beijing, 100083, China.
Source: Environmental research [Environ Res] 2026 Mar 01; Vol. 294, pp. 123797. Date of Electronic Publication: 2026 Jan 24.
Publication Type: Journal Article
Journal Info: Publisher: Elsevier Country of Publication: Netherlands NLM ID: 0147621 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1096-0953 (Electronic) Linking ISSN: 00139351 NLM ISO Abbreviation: Environ Res Subsets: MEDLINE
Database: MEDLINE Ultimate
Description
ISSN:1096-0953
DOI:10.1016/j.envres.2026.123797