Novel strategy for using ultra-fine recycled brick powder as filler in low-carbon ultra-high strength fiber-reinforced concrete: A multi-scale investigation

Huixia Wu

doi:10.1016/j.jobe.2026.117040

Valorization of plastic pyrolysis char in cement mortar: Mechanism of strength trade-off and chlorine immobilization in sodalite

2026-07-11

0

PRE

AI

Y

Youngjin Nam

W

Wonchang Kim

H

Hyeonggil Choi

T

Taegyu Lee *

DOI：10.1016/j.jobe.2026.116759

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Abstract

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• Mechanism of strength reduction in PPC mortar was elucidated via hydrophobic ITZ analysis. • Hazardous chlorine was chemically immobilized within stable Sodalite, ensuring safety. • High porosity of PPC enables functional valorization for lightweight and insulating uses. • Analysis confirms PPC as a feasible eco-material for non-structural applications.

Keywords:

Plastic pyrolysis char

Chlorine immobilization

Sodalite

Lightweight mortar

Valorization of plastic pyrolysis char in cement mortar: Mechanism of strength trade-off and chlorine immobilization in sodalite

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