Ash removal from inferior coal via ammonium fluoride roasting and simultaneous yield of white carbon black
The quality upgrading and deashing of inferior coal by chemical method still faces great challenges. The dangers of strong acid, strong alkali, waste water and exhaust gas as well as high cost limit its industrial production. This paper systematically investigates the ash reduction and desilicificat...
Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2024-02-01
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Series: | International Journal of Mining Science and Technology |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S2095268624000168 |