Harper International announced a new project with Orbite
Aluminae Inc. for two high-temperature systems in series for conversion of
aluminum chloride. The systems include a rotary furnace for removing volatiles
(calcination) and a higher-temperature vertical furnace for phase
transformation. Orbite’s material loses 80% mass as hydrochloric acid and water
during the processing. In consideration of the corrosive by-products and high-purity
requirement, the first system is designed with a quartz tube and the second
system has an alumina tube as the contact surface with the powder.
The systems will meet Orbite’s initial scale-up for its
existing plant construction, expanding from its current small batch furnace. Orbite
Aluminae Inc. is a Canadian clean-tech company whose technologies are setting a
new standard for alumina production. Orbite’s technologies enable
environmentally neutral extraction of smelter-grade alumina (SGA), high-purity
alumina (HPA) and high-value elements from a variety of sources.
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