MUMBAI, India, April 10 -- Intellectual Property India has published a patent application (202411072541 A) filed by Birla Institute Of Technology & Science, Pilani, Rajasthan, on Sept. 25, 2024, for 'a device and method for continuous flow separation of oil-water mixture using a material having electrochemically switchable wettability.'
Inventor(s) include Sow Pradeep Kumar; Sahoo Priyanka; and Hedge Ashwin Yashawanth.
The application for the patent was published on April 10, under issue no. 15/2026.
According to the abstract released by the Intellectual Property India: "Device For Continuous Flow Separation Of Oil-Water Mixture Using A Material Having Electrochemically Switchable Wettability The present invention relates to a device (100) and a process (300) for the continuous separation of an oil-aqueous phase mixture (200). The device (100) comprises several layers, including an upper outer cover (101), an inlet flow layer (102), a conductive mesh (103), an intermediate flow layer (104), an outlet flow layer (105), and a lower outer cover (106). The layers are fastened together and have an aligned flow path. The switchable wettability of the conductive mesh (103) allows for the separation of the oil-aqueous phase mixture (200) by creating an electric potential across the inlet (102) and outlet (105) flow layers. The process (300) for continuous separation involves creating the electric potential across the conductive mesh (103) depending on the desired wettability of the conductive mesh (103), pumping the oil-aqueous phase mixture (200) into the inlet flow layer (102), and collecting the permeate from the outlet flow layer (105). The device and process provide an efficient and effective means of separating oil-aqueous phase mixtures (200) and have various applications in industries such as petrochemicals, chemical processing, and environmental remediation."
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