Abstract：
:One of the major advances of this research is to produce porous glass ceramics (PGCs) via a feasible and cost-effective powder forming chemistry to convert solid wastes, extracted titanium tailing (ETT) and waste glass (WG) into the value-added PGCs. The maximum handling amount of ETT (30%) is determined from systematic experiments, based on the end use of these PGCs, which are manifested as controlled-crystalline porous structures of hybrid matrices. These multiscale porous networks are composed of a tunable pore size, high surface area and accessibility. The synthetic PGCs are found to display enhanced physical properties, as a result, the stewardship of their intrinsic chemical behaviors can be secured. To elucidate, the PGC shows an apparent density of 0.60 ± 0.01 g cm-3, a porosity of 76.0 ± 0.4%, a high compressive strength of 3.8 ± 0.2 MPa, an available water adsorption ratio of 4.4 ± 0.1%, a heat conductivity of 0.103 ± 0.003 W m-1 °C-1 and an applicable coefficient of thermal expansion ((5.43 ± 0.05) × 10-6 m m-1 °C -1). This study indicates that indeed the powder forming chemistry provide a simple method to advance the conversion of industry and municipal solid waste (ETT & WG) into value-added PGCs with improved physical and chemical properties.
journal_name
J Environ Managejournal_title
Journal of environmental managementauthors
Xi C,Zhou J,Zheng F,Gao JM,Hu P,Li Y,Zhen Q,Bashir S,Liu JLdoi
10.1016/j.jenvman.2020.110197subject
Has Abstractpub_date
2020-05-01 00:00:00pages
110197eissn
0301-4797issn
1095-8630pii
S0301-4797(20)30132-8journal_volume
261pub_type
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