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Optimization of pyrite cinder strengthening continuous acid decomposition of ilmenite by response surface methodology

open access: yesScientific Reports
Pyrite cinder could release more heat to improve he acid decomposition reaction of ilmenite, lower concentrations of sulfuric acid, increase the amount of TiO2 waste acid reused, reduce titanium gypsum emissions, and promote the green and sustainable ...
Congxue Tian
doaj   +1 more source

Phase Transformation of AlV55 Alloy at High Temperature

open access: yesMetals
Vanadium–aluminum alloy is an important intermediate alloy for preparing aviation grade titanium alloys, and its product quality directly affects the finished product quality of titanium alloys.
Leizhang Gao   +8 more
doaj   +1 more source

Harnessing microenvironment of S-scheme heterostructure with dot-on-surface morphology and sulfur vacancies for efficient photocatalytic hydrogen evolution and tetracycline degradation

open access: yesNano Research
Reasonable fabrication of S-scheme heterojunction presents a positive outlook to boost photocatalytic hydrogen (H2) production and degradation of antibiotics, while facing enormous challenges like rapid charge separation and catalytic reaction ...
Hui Chang   +10 more
doaj   +1 more source

Comprehensive Experimental and DFT Studies on the Effect of Sodium and Calcium on Heavy Metals Adsorption Performance by Quartz During Coal Combustion

open access: yesMolecules
Quartz is capable of capturing heavy metals (HMs); however, alkaline metals compete with HMs for active adsorption sites during coal combustion. Therefore, this study investigated the influence of alkaline metals (Na2CO3, NaCl, and CaO) on the adsorption
Jiangze Luo   +5 more
doaj   +1 more source

Effect of C Addition on as-Cast Microstructures of High Nb Containing TiAl Alloys

open access: yesMetals, 2019
Two high Nb-containing TiAl alloys, Ti46.6Al7.5Nb0.5Si0.2B (Alloy A) and Ti46.1Al7.4Nb5C0.5Si0.2B (Alloy B), were prepared by graphite mold casting. As-cast microstructures of the two alloys were characterized to clarify the effect of carbon addition ...
Jinhu Liu   +4 more
doaj   +1 more source

Oxygen Vacancy Modulation via Confinement: Enhanced Dry Reforming Activity and Stability of Nickel-Cerium Catalysts Encapsulated in Titanium Silicalite-1 Zeolite

open access: yesEngineered Science
The advancement of anti-coking catalysts for dry reforming of methane (DRM) is essential for mitigating greenhouse gas emissions and promoting sustainable syngas production.
Huabing Zhang   +9 more
doaj   +1 more source

Research Progress on Hydrometallurgical Vanadium Extraction Process from Vanadium-bearing Steel Slags

open access: yesKuangchan zonghe liyong
The vanadium-bearing steel slag is a secondary resource with high utilization value. This article provides a review on the recent progress of hydrometallurgical vanadium extraction from vanadium-containing steel slags, focusing on the four aspects ...
Jingjing LIU
doaj   +1 more source

Optimization and Utilization of Bai Ma Vanadium-Titanium Pellet Ore Based on Orthogonal Method

open access: yesMetalurgija
Under the “dual carbon” policy, efficient utilization of upgraded vanadium-titanium magnetite has become increasingly important for high-proportion pellet smelting.
M. Zhou   +9 more
doaj   +1 more source

Effect of heat treatment temperature on double fluctuation behavior of tensile properties at room temperature in TA15 titanium alloy

open access: yesCailiao gongcheng
The microstructure evolution and tensile properties at room temperature of TA15 titanium alloys during heat treatment at different temperatures are investigated by optical microscopy (OM), scanning electron microscopy (SEM), and transmission electron ...
ZHANG Mingda   +5 more
doaj   +1 more source

Influence of Fe2O3 on the Properties and Structure of Iron Coke

open access: yesACS Omega, 2023
Shuxing Qiu   +5 more
doaj   +1 more source

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