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。
目录 查词历史