MUMBAI, India, Sept. 28 -- Intellectual Property India has published a patent application (202521027533 A) filed by China Nerin Engineering Co. , Ltd. on March 25, 2025, for Method For Refining Selenium And Apparatus For Refining Selenium.

Inventors include Meng, Xianglong; Yang, Weiyan; Guo, Hongwei; Zhong, Yawen; and Li, Xiaofan.

The application for the patent was published on September 25, 2026, under issue no. 39/2026.

Abstract: The present disclosure discloses a method for refining selenium and an apparatus for refining selenium. The method includes the following steps: oxidizing crude selenium to generate selenium dioxide gas, and introducing the selenium dioxide gas into a solvent for dissolution and absorption to obtain selenious...