Extraction technology of vanadium from the sodium roasting, the non-salt oxidizing roasting, the stone coal soaking by acid (alkali) and its evolvement process were introduced.
介绍了钠化焙烧、无盐氧化焙烧、酸(碱)浸石煤等提钒的工艺及其演变过程。
2
Alternatively, these can be converted into a CMC composite material in a non-oxidizing gas atmosphere by a metal infiltration process with simultaneous reactive joining of at least two moulded parts.