نتایج جستجو برای: carbothermic reduction

تعداد نتایج: 491806  

Journal: :Metals 2022

The influences of heating pattern and sodium carbonate addition on the carbothermic reduction ilmenite concentrate have been experimentally studied. experiments were carried out using isothermal–gradient temperature technique between 1000 °C 1500 with different profiles for a total time 110 160 min. was varied 0 to 60 wt%. It found that profile play an important role separation metallic iron gr...

2018
Dawei Yu

A solid reduction process is described whereby chromite is reduced with the help of calcium chloride to produce ferrochrome alloy powders with high metal recovery. The process involves segregation reduction of chromite using graphite as the reductant and calcium chloride as the segregation catalyst. Experiments were performed in the temperature range of 1200–1400 ◦C to evaluate the influences o...

Journal: :Bulletin of the National Research Centre 2021

Abstract Background Ilmenite and rutile are naturally occurring titanium-bearing heavy minerals. Sri Lanka consists of ilmenite in placer deposits mainly along the northeast coast. The commercial value is higher than ilmenite. Therefore, current study focuses to upgrade Lankan ores using commercially available activated carbon as a reducing agent. fraction was initially separated from raw beach...

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