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Author:

Liu, Y. (Liu, Y..) | Tang, J. (Tang, J..) | Li, M. (Li, M..) | Zhang, Q. (Zhang, Q..) | Zhang, W. (Zhang, W..)

Indexed by:

EI Scopus SCIE

Abstract:

This research investigated the application of municipal solid waste incineration fly ash (MSWIFA), municipal solid waste incineration bottom ash (MSWIBA), and construction waste residue (CWR) as raw materials for the comprehensive conversion into municipal solid waste ceramics employing the SiO2-Al2O3-CaO-MgO (8 wt%) phase diagram. This study aimed to evaluate the influence of the addition of MSWIFA and sintering temperature on important ceramics properties, including linear shrinkage, water absorption, sintering range, and flexural strength. Additionally, relationships were established among these physical parameters using Pearson's correlation coefficient. The thermal behavior of the mixture was analyzed through automatic slag melting point tester and TG-DSC techniques. Furthermore, characterization of the crystalline phase transition and microstructure of sintered samples was performed by XRD, Factsage, and SEM. The results showed that both the addition of MSWIFA and the sintering temperature significantly influenced the crystal phase composition of the sintered ceramics. Moreover, the addition of MSWIFA and the sintering temperature had a significant influence on the pore structure of the ceramics. These ceramics exhibited exceptional properties, such as the extremely low water absorption rate of 0.08 % and the remarkable flexural strength of 124.78 MPa. Ceramics performance indicators were far higher than the requirements of China's national standard GB/T4100-2015. The sintering range had the capability to attain 30 °C, guaranteeing the feasibility of practical manufacturing processes. Furthermore, leaching concentration tests conducted on additive-free ceramic samples reveal a low risk of heavy metal contamination, as the heavy metals were effectively solidified within the crystalline and amorphous phases of the ceramics. The comprehensive utilization of MSWIFA, MSWIBA, and CWR for the production of fully solid waste ceramics not only yields cost reduction benefits but also promotes efficient utilization, presenting a feasible and highly promising approach to sustainable waste management. © 2024 Elsevier Ltd and Techna Group S.r.l.

Keyword:

Municipal waste incineration fly ash Factsage Ceramic Construction waste residue Municipal waste incineration bottom ash

Author Community:

  • [ 1 ] [Liu Y.]Beijing Shougang International Engineering Technology Co., LTD, Beijing, 100043, China
  • [ 2 ] [Tang J.]Beijing Shougang International Engineering Technology Co., LTD, Beijing, 100043, China
  • [ 3 ] [Li M.]College of Materials Science and Engineering, Beijing University of Technology, 100 Pingleyuan, Chaoyang District, Beijing, 100124, China
  • [ 4 ] [Li M.]Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A∗STAR), Fusionopolis Way, #08-03 Innovis, Singapore, 138634, Singapore
  • [ 5 ] [Zhang Q.]Beijing Shougang International Engineering Technology Co., LTD, Beijing, 100043, China
  • [ 6 ] [Zhang W.]Beijing Shougang International Engineering Technology Co., LTD, Beijing, 100043, China

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Source :

Ceramics International

ISSN: 0272-8842

Year: 2024

Issue: 22

Volume: 50

Page: 47851-47863

5 . 2 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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