Chemical Flocculant Polyferric Sulfate PFS In Purification And Treatment Of Industrial Sewage
Description:
Ferric Sulphate powder form is an effective coagulant, excellent for treating all kinds of drinking water, industrial water, wastewater and sewage, and phosphorus removal, struvite control as well as sludge conditioning.
Item
Index
First-rate Products
Qualified Products
Solution
Solid
Solution
Solid
All-iron Content/ % ≥
11.0
19.5
11.0
19.5
Reducing Substance Content(Calculated By Fe2+)/ % ≤
0.1
0.15
0.1
0.15
Basicity /%
8.0-16.0
8.0-16.0
pH (10 g/L water solution)
1.5-3.0
Density (20 ° C)/(g/cm3) ≥
1.45
——
1.45
——
Water Insolubles/ % ≤
0.2
0.4
0.3
0.6
Arsenic(As) Content/ % ≤
0.0001
0.0002
0.0005
0.001
Lead (Pb) Content/ % ≤
0.0002
0.0004
0.001
0.002
Cadmium(Cd) Content/ % ≤
0.00005
0.0001
0.00025
0.0005
Hydrargyrum(Hg) Content / % ≤
0.00001
0.00002
0.00005
0.0001
Chromium(Cr) Content/ % ≤
0.0005
0.01
0.0025
0.005
Zinc…