Slag resistance mechanism of lightweight microporous corundum aggregate

L Fu, H Gu, A Huang, M Zhang… - Journal of the American …, 2015 - Wiley Online Library
The microstructures of the reaction interfaces between slag and corundum aggregates,
microporous corundum produced in the laboratory and tabular corundum were observed …

Phase evolution with temperature in chromium-containing refractory castables used for waste melting furnaces and Cr (VI) leachability

M Nath, S Song, AM Garbers-Craig, Y Li - Ceramics International, 2018 - Elsevier
Highly corrosion resistant Cr 2 O 3 based refractory linings are required for waste melting
furnaces due to the complex melting environment. However, these linings are susceptible to …

Corrosion mechanism of Cr2O3-Al2O3-ZrO2 refractories in a coal-water slurry gasifier: a post-mortem analysis

J Chen, J Xiao, Y Zhang, Y Wei, B Han, Y Li, S Zhang… - Corrosion …, 2020 - Elsevier
Corroded microstructure of a Cr 2 O 3-Al 2 O 3-ZrO 2 refractory brick after 4200 h service in a
gasifier was investigated. An isolation layer comprising mainly (Mg, Fe 2+)(Cr, Fe) 2 O 4 …

Hot corrosion behavior of Al2O3–Cr2O3 refractory by molten glass at 1200° C under static condition

M Nath, A Ghosh, HS Tripathi - Corrosion Science, 2016 - Elsevier
Hot corrosion behavior of Al 2 O 3–Cr 2 O 3 refractory by molten glass at 1200° C under
static condition was monitored. Glass-refractory interface was investigated by XRD, SEM …

Analysis and prediction of slag-induced corrosion of chromium oxide-free refractory materials during fusion of coal and biomass ash under simulated gasification …

M Reinmöller, M Klinger, E Thieme, B Meyer - Fuel Processing Technology, 2016 - Elsevier
Four chromium oxide-free refractories based on spinel, alumina, and calcium aluminates are
brought in contact with three ashes from coal and biomass with different base to acid ratios …

Degradation mechanism of Cr2O3‐Al2O3‐ZrO2 refractories in a coal‐water slurry gasifier: Role of stress cracks

J Chen, J Xiao, Y Zhang, Y Wei, Y Li… - Journal of the …, 2020 - Wiley Online Library
Durability and corrosion behavior of refractory lining, a core part of a commercial water‐coal
slurry gasifier, largely determine its gas yield rate and carbon conversion rate. In this work …

Formation mechanisms of Wuboraite (CaAl2Cr2O7) in air and Ar atmosphere

A Chatterjee, N Liao, T Xu, S Sang, Y Li, P Stoch… - Ceramics …, 2023 - Elsevier
Recently, a new high-temperature ternary Cr (III) phase (Wuboraite, CaAl 2 Cr 2 III O 7) was
synthesized in the Al 2 O 3–CaO–Cr 2 O 3 system. However, its formation & chemical …

Post-mortem analysis of Cr2O3-Al2O3-ZrO2 refractory bricks used in an industrial opposed multi-burner gasifier

J Gao, W Su, X Song, Y Bai, J Wang, G Yu - Engineering Failure Analysis, 2022 - Elsevier
Periodical relining of the gasifier due to refractory corrosion and failure is a major cost driver
in the coal gasification industry. In the present work, the failure mechanisms of Cr 2 O 3-Al 2 …

Application and corrosion characteristics of chrome-free SiC-MgAl2O4 refractory linings serviced in an entrained flow gasifier

K Liu, Q Guo, Y Gong, Y Xia, X Wang, H Li, H Sun… - Ceramics …, 2024 - Elsevier
This study investigated the degradation mechanisms of SiC-MgAl 2 O 4 refractory materials
in a bench-scale entrained flow gasifier. Layered degradation and protective SiO 2 formation …

[HTML][HTML] Corrosion and degradation mechanisms of high chromia refractory bricks in an entrained-flow gasifier: experimental and numerical analysis

J Gao, W Su, X Wang, X Song, J Wang, J Yang… - Journal of Materials …, 2023 - Elsevier
As a crucial component of an opposed multi-burner (OMB) coal-water slurry gasifier, severe
degradation of the refractory lining frequently results in costly operation delays. In this work …