beneficiation
beneficiation
NEEDHAM, Mass., March 30, 2021 /PRNewswire/ -- ST Equipment & Technology LLC (STET) headquartered in Needham, MA, announces the collaboration of a fly ash beneficiation project with the Phoenix Cement…

Clean Coal Technologies Inc. (CCTI) has begun reassembling a test facility designed to produce a cleaner-burning and more-efficient coal. The coal beneficiation and byproducts extraction plant, first built in Tulsa,…