- Acid wash baseball cap,100% Cotton twill,Unconstructed,Metal button back.close.
- The material are the high quality cold steeling rolling plate, surface processing with degrease, acid washing, phosphating , static spraying plastic.
- Cold coiler is used cold roll strap steel unit and acid washing, anneal, cutting, coating of strap steel.
- The deashing of coal was studied under atmo-sphere with alkali treatment followed by acid washing.
- The oxidation and acid washing methods were used to investigate the vanadium removal from RMS-8 fluid catalytic cracking (FCC) catalysts.
以钒含量较高的RMS 8流化催化裂化催化剂为原料 ,考察了氧化法和酸洗法的脱钒效果。