Thursday, October 26, 2023 Business Proman, Mitsubishi propose world-scale clean ammonia plant in Lake Charles By 10/12 Industry Report staff - October 26, 2023 FacebookTwitterLinkedinEmailPrint Switzerland-based Proman has signed an agreement with Mitsubishi Corp. to explore building a world-scale ultra low-carbon ammonia facility in Lake Charles, reports Chemical Engineering magazine. Already an INSIDER? Sign in.