Hydrofluoric acid and metal oxide(s) mfd. and neutralised sludges from pickling processes
摘要
HF and/or metal oxides are mfd. by the pyro-hydrolysis of a soln. or a suspension contg. metal fluorides in a fluidised bed (2). The soln. or suspension are introduced into the fluidised bed in the form of discrete drops.
申请公布号
DE4417104(A1)
申请公布日期
1995.11.30
申请号
DE19944417104
申请日期
1994.05.16
申请人
H.C. STARCK GMBH & CO KG, 38642 GOSLAR, DE
发明人
POTH, STEFAN, DIPL.-ING., 38312 ACHIM, DE;ECKERT, JOACHIM, DIPL.-CHEM. DR., 38667 BAD HARZBURG, DE
