Used in brine settling process. For brine purification.Remove Ca ion & Mg ion. Mollecular weight: 6Million UL viscosity: 4.5
Flocculants for brine settlement during purification. Main process flow:
Brine purification:
NaCl / (g/l) 290
Mg2+ / (g/l) 0.05 CaSO4 (g/l) 2.04
Ca2+ / (g/l) 0.60 Mg SO4(g/l) 0.25
Density(kg/m3) 1200
Temperature.(summer)(°C): 20
Temperature (winter)(°C): 7
Process flow chart:
Lime milk, Settling agent
↓
Raw brine → First settling → Slurry dewatering
reaction
↓1st brine purification
Settling agent → Second settling → Slurry dewatering
↓
CO2 filtration → purification workshop
1ST treatment:
Ca(OH)2+MgSO4+2H2O=Mg(OH)2 +CaSO4.2H2O
Ca(OH)2+MgCl2=Mg(OH)2 + CaCl2
Ca(OH)2+NaSO4+H2O=CaSO4.2H2O +2NaOH
2ND treatment:
2NaOH + CO2= Na2CO3+H2O
Na2CO3+CaCl2= CaCO3 +2NaCl
Na2CO3+CaSO4=CaCO3 + NaSO4
Brine purification flocculant PD7540 for salt mines
