Reutilisation of hazardous spent fluorescent lamps glass waste as supplementary cementitious material

被引：11

作者：

Pitarch, A. M. ^{[1
]}

Reig, L. ^{[1
]}

Gallardo, A. ^{[1
]}

Soriano, L. ^{[2
]}

Borrachero, M., V ^{[2
]}

Rochina, S. ^{[1
]}

机构：

[1] Univ Jaume 1, EMC Dept Mech Engn & Construct, Castellon De La Plana, Spain

[2] Univ Politecn Valencia, ICITECH Inst Ciencia & Tecnol Hormigon, Grp Invest Quim Mat GIQUIMA, Valencia, Spain

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2021年 / 292卷

关键词：

Portland cement; Spent fluorescent lamp glass; Pozzolanic activity; Compressive strength; Microstructure; POZZOLANIC REACTIVITY; DURABILITY PROPERTIES; POWDER; CONSTRUCTION; REPLACEMENT; ASH;

D O I：

10.1016/j.conbuildmat.2021.123424

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Spent fluorescent lamps glass (SFLG) waste, manually and mechanically processed in a lamps waste treatment plant, was used to partially replace up to 50 wt% Portland cement (PC). Both waste types exhibited similar pozzolanic activity. The mortars containing up to 35 wt% SFLG met the specifications for other pozzolanic materials (e.g. fly ash) and, after 90 curing days, their compressive strength values were similar to or higher than those of the 100% PC sample (58.8 MPa). Our results provide an alternative reutilization process for this hazardous waste to reuse SFLG as-received (no washing to reduce mercury) and contributes to less PC use. (c) 2021 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND

引用

页数：13

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