https://www.osti.gov/biblio/867860
Fine coal cleaning via the micro-mag process (Patent) | OSTI.GOV
A method of cleaning particulate coal which is fed with a dense medium slurry as an inlet feed to a cyclone separator. The coal particle size distribution is...
fine coalmicro magprocess patentcleaningvia
https://www.utilitydive.com/news/epa-fine-particulate-matter-standard-soot-PM-2-proposal/639800/
EPA proposes tightening fine particulate matter standard, potentially affecting coal power plants |...
The agency aims to issue final standards in August, but direct effects would be years away.
fine particulate matter