CORSICANA, Texas, Oct. 14, 2025 (GLOBE NEWSWIRE) -- Birchtech Corp. (TSX: BCHT) (OTCQB: BCHT) (“Birchtech” or the “Company”), a leader in specialty activated carbon technologies for sustainable air and water treatment, today announced a non-exclusive licensing agreement with a large regional coal-fired utility for licensing of the Company’s patented mercury emissions reduction technologies. The license agreement includes a one-time fee, though due to confidentiality agreements and ongoing litigation, other ...