Lesson plan
Becher process
The Becher process is a process to produce rutile, a form of titanium dioxide, from the ore ilmenite. Although it is competitive with the chloride process and the sulfate process, the Becher process is not used on scale. With the idealized formula FeTiO 3 , ilmenite contains 55-65% titanium dioxide, the rest being iron oxide. The Becher process, like other beneficiation processes, aims to remove iron. The Becher process exploits the conversion of the ferrous iron (FeO) to ferric iron (Fe 2 O 3 ). Ilmenite ores can be upgraded to synthetic rutile by increasing their TiO 2 content to between 90 and 96 percent.
Article summary
The Becher process is a process to produce rutile, a form of titanium dioxide, from the ore ilmenite. Although it is competitive with the chloride process and the sulfate process, the Becher process is not used on scale. With the idealized formula FeTiO 3 , ilmenite contains 55-65% titanium dioxide, the rest being iron oxide. The Becher process, like other beneficiation processes, aims to remove iron. The Becher process exploits the conversion of the ferrous iron (FeO) to ferric iron (Fe 2 O 3 ). Ilmenite ores can be upgraded to synthetic rutile by increasing their TiO 2 content to between 90 and 96 percent.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
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