A process for purifying anhydrous HF by contacting anhydrous HF containing phosphate impurities with an effective amount of activated carbon so that the phosphate impurities are adsorbed on the activated carbon, and anhydrous hydrogen fluoride having a reduced phosphate impurity content is obtained.
申请公布号
WO0149601(A1)
申请公布日期
2001.07.12
申请号
WO2000US34885
申请日期
2000.12.21
申请人
HONEYWELL INTERNATIONAL INC.
发明人
SUBBANA, SOMANAHALLI, NARANAPPA;KUNKEL, PAUL, FREDRICK;SMITH, ROBERT, ANDREW;REDMON, CHARLES, LEWIS
