Orbite receives US patent to extract value from fly ash waste
TORONTO (miningweekly.com) – Canadian cleantech company Orbite Technologies has received a US patent to extract valuable elements such as scandium, gallium, rare earths and rare metals, alumina, magnesium oxide and titanium dioxide from fly ash – a residue from coal combustion – using its chloride-based technology.
The company advised that the patent cleared the way for it to pursue the commercial application of its unique technology in the US, where more than 75-million tonnes a year of fly ash were produced, representing a significant environmental and economic liability.
By being able to extract all individual components of value selectively, the Orbite process promised to be the only viable means to truly turn these liabilities into exploitable assets, Orbite stated.
The company had successfully applied for accelerated examination and processing under the Patent Prosecution Highway in jurisdictions participating in this programme.
Further, since the parent patent applications were deemed to contain a number of inventions, the company filed a divisional patent application in Canada and a continuation patent application in the US, and expected to receive more patents for this family.
Orbite's portfolio contained 15 intellectual property families, including 22 patents and 102 pending patent applications in 11 different countries and regions.
Orbite was in the process of finalising its first commercial high-purity alumina production plant, in Cap-Chat, Quebec, and had completed the basic engineering for a proposed smelter-grade alumina production plant that would use clay mined from its Grande-Vallee deposit, located in the Francophone province.
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