{"id":4195,"date":"2025-05-26T10:29:31","date_gmt":"2025-05-26T10:29:31","guid":{"rendered":"https:\/\/scientificworld.org\/?p=4195"},"modified":"2025-06-10T04:28:42","modified_gmt":"2025-06-10T04:28:42","slug":"mit-researchers-develop-breakthrough-nanofiltration-system-to-enhance-co%e2%82%82-capture-and-conversion","status":"publish","type":"post","link":"https:\/\/scientificworld.org\/?p=4195","title":{"rendered":"MIT Researchers Develop Breakthrough Nanofiltration System to Enhance CO\u2082 Capture and Conversion"},"content":{"rendered":"\n

Scientists at MIT have introduced a novel nanofiltration membrane that significantly improves the efficiency and reduces the cost of carbon dioxide capture and conversion, addressing a critical bottleneck in climate change mitigation efforts.<\/p>\n\n\n\n

Researchers at the Massachusetts Institute of Technology (MIT) have unveiled a groundbreaking solution to a major challenge in carbon dioxide (CO\u2082) capture and conversion systems. By integrating nanoscale filtering membranes, the team has decoupled the capture and release processes, achieving a sixfold improvement in efficiency and cutting costs by at least 20%. The findings, published today in ACS Energy Letters<\/em><\/em><\/a>, could pave the way for more scalable and affordable carbon capture technologies.<\/p>\n\n\n\n

Current CO\u2082 capture systems face a tradeoff: compounds that efficiently absorb CO\u2082 from the air struggle to release it, while those that release CO\u2082 easily are poor absorbers. This dilemma has hindered the scalability and cost-effectiveness of carbon capture technologies. Traditional systems use hydroxides to bind CO\u2082, forming carbonates, which are then processed electrochemically to release pure CO\u2082. However, these systems operate in a single solution, forcing a compromise between absorption and release efficiency.<\/p>\n\n\n\n

The MIT team, led by Professor Kripa Varanasi and doctoral students Simon Rufer, Tal Joseph, and Zara Aamer, introduced a nanofiltration membrane to separate hydroxide and carbonate ions between the capture and release stages. The membrane exploits the difference in charge between the ions\u2014hydroxide with a charge of 1 and carbonate with a charge of 2\u2014to achieve a 95% separation efficiency. This allows each stage to operate under optimal conditions, dramatically improving overall performance.<\/p>\n\n\n\n