cod removal poly ferric sulphate

{"cid":"91148437","title":"Ferric Sulfate Powder 21% Purity for Wastewater Treatment","imgUrl":"https:\/\/img.chinax.com\/nimg\/b6\/1e\/1b3cd9d10b48b6b0440e72280a2e-200x200-1.jpg","attrs":{"Brand Name":"bluwat, Bluwat","Model Number":"FS","Minimum Order Quantity":"1","Place of Origin":"Jiangsu, China, China","CAS No.":"10028-22-5","Purity":">21%","Appearance":"solid powder","Fe3+ Content":"19% Min","Fe2+ Content":"1.0% Max","PH":"2.0-3.0","Insoluble Substances":"1.0 Max","Molecular Formula":"[Fe2(OH)n(SO4)3-n\/2]m","Classification":"Sulphate","Type":"Ferrous Sulphate","Chemical":"Ferric Sulfate","Other Names":"PFS","Grade Standard":"Food Grade, Industrial Grade","Package":"25kgs or 1200kgs ton-bag","Loading Port":"shanghai, qingdao"}}

{"cid":"91222484","title":"Melting Point 249 To 251 C Sewage Treatment Chemicals Poly Aluminium Chloride Removes Suspended Solids Ensuring Water Treatment Results","imgUrl":"https:\/\/img.chinax.com\/nimg\/c5\/d8\/46312c3d0a4a725db3b235165a0e-200x200-1.jpg","attrs":{"Brand Name":"Poly Aluminum Chloride","Minimum Order Quantity":"5T","Delivery Time":"15 Working Days","Packaging Details":"25kg Or Larger Packaging","Payment Terms":"T\/T","Supply Ability":"1000 Tons Per Month","Other Name":"Poly Aluminium Chloride","Effectiveness":"Removes Suspended Solids, Reduces BOD, Controls Odor","State":"Flake","Productname":"Sewage Treatment Chemicals","Melting Point":"249 To 251 \u2103","Solubility":"Soluble In Water","Density":"1.62(g\/cm3)","Toxicity":"Non-toxic"}}