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RO1.2.3.4.4.1RORO(1)1(1)12(2)23XP()4.2234ROSPVp1.(FeMm)2X(1)2X(1)2030%(1)2.CaCO3CaSO310---20%10---25%10%3.2X(2)2X(2)2X(2)4.()2X---4X(1)2X(2)2X(2)5.2X3050%6.23(HYDRANAUTICS)4()()1FeMnNiCu1430L8100L22CaCO31430L8100L232430L8100L24CaSO42430L8100L2523460L8200L264460L8200L2PH17.7KgNaOHPH=4.0()0.4LRO379L2(Na5P3O10)7.7KgH2SO4PH=7.5EDTANa3.18Kg()0.43LRO397L3()0.4LH2SO4PH=7.51.9KgRO379l4(Na5p3o10)7.7KgH2SO4PH=7.50.97KgRO379L()4.3RO(1)10--20(2)104.44.4.14.4.2RO4010404.54.5.14.5.24.5.3RO(0.2Mpa)(40)l2l21.FeMnNiCu(1)4%NaHSO4(2)0.2MPH342.(1)0.2%HCLPH24(2)PH24(3)0.1%NaOH0.1%EDTANaPH=1230Max310.2%HCLPH242PH24411%21%NaHSO34.5.4RO4.5.6RO