【導(dǎo)讀】.Barakat*. Accepted20July1999. Abstract. 2. SO. 4. at45. Cfor1h.Zinc. 2. SO. 4. 1.Introduction. 2. O. 2. orKHS. 2. O. 8. withHClorH. 2. SO. 4. leadandZnCO. 3. 4. wererecoveredafter. leachingwithH. 2. SO. 4. .MyersonandCudahy[5]studied. H. 2. SO. 4