MUMBAI, India, July 5 -- Intellectual Property India has published a patent application (202517059257 A) filed by Vale S. A.; and Servico Nacional De Aprendizagem Industrial, Departamento Regional Da Bahia - Senai/DR/BA, Rio de Janeiro, on June 20, for 'method for producing high-purity quartz from iron ore waste or tailings, high-purity quartz and use thereof.'
Inventor(s) include Lopes, Henrique, Junio, Oliveira,; Ribeiro, Caroline, Melo; Paula, Joyce, Silva; Modesto, Paulo, Henrique, Marques; Pereira, Lais, Resende; and Lima, Neymayer, Pereira.
The application for the patent was published on July 4, under issue no. 27/2025.
According to the abstract released by the Intellectual Property India: "The present invention relates to a method for producing high-purity quartz from iron ore waste or tailings. More specifically, the present invention relates to obtaining quartz having a purity of more than 99.00%, wherein the starting material is waste made up of approximately 89% to approximately 92% quartz and approximately 8% to approximately 11% impurities, or quartzite made up of approximately 96% quartz and approximately 4% impurities. In addition, the present invention also relates to the high-purity quartz product obtained in this way, and to the use thereof for applications that require high-purity quartz such as, for example, for the production of electronic-grade silicon and solar-grade silicon."
The patent application was internationally filed on Nov. 17, 2023, under International application No.PCT/BR2023/050399.
Disclaimer: Curated by HT Syndication.
