| abstract |
The invention discloses a hydrogen fluoride adsorbent, which comprises the following raw materials: polyacrylonitrile, and one or more of alkali metal fluoride, alkaline earth metal fluoride, and alkali metal hydrogen fluoride. The invention also discloses a preparation method and application of the hydrogen fluoride adsorbent. The invention improves the treatment mode of hydrogen fluoride in the lithium hexafluorophosphate production process by the novel adsorbent, recycles the hydrogen fluoride in the waste gas as much as possible, is used for upstream section production, saves energy, reduces cost and improves benefit. |