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Application of separating machinery to disposal of waste acid from sulphuric acid plant in Jinlong

SONG Fei,LIANG Hai wei (Jinglong Copper Co., Ltd.,Tongling,Anhui,244021,China)  
Separating machinery for disposal of waste acid from a 375 kt/a sulphuric acid plant is described,including centrifuge for dehydration of gypsum,pressure filter for copper and arsenic bearing slurry and rotary vacuum filter for slurry from neutralization of sulphuric acid The main breakdowns encountered during operation are analyzed and corresponding measures are proposed
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