US Patent Issued to SALTPOWER HOLDING on March 4 for "Osmotic solution mining" (Danish Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,940, issued on March 4, was assigned to SALTPOWER HOLDING APS (Denmark).

"Osmotic solution mining" was invented by Henrik Taekker Madsen (Copenhagen, Denmark) and Lars Storm Pedersen (Farum, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for solution mining of minerals is disclosed. The process comprises injecting an unsaturated stream (150) at an injection pressure into a mineral formation (130) to dissolve the mineral and extracting a high concentration stream (110) containing said dissolved mineral. The process comprising converting latent osmotic energy present in said high concentration stream into an increase in the total pre...