Poland – Ferric chloride – Dostawa środków chemicznych przwciwodorowych dawkowanych do ścieków

The subject of the contract is the supply of chemical odour control agents to selected MPWiK facilities to reduce and maintain a low concentration of hydrogen sulphide at selected points in the sewerage network. The contract covers the following assortment: 1) Agent 1: Consistency: liquid, Chemical composition: FeCl2 + H2O, Total iron content: 10.5 ±0.5%, Nitrate content: 0-2.5%, Quantity: 650 Mg 2) Agent 2: Consistency: liquid, Chemical composition: FeCl3 + Mg(NO3)2 + H2O, Total iron content: 8.5 ±0.5%, Nitrate content: 8 ±1%, Quantity: 100 Mg 3) Agent 3: Consistency: liquid, Chemical composition: FeCl3 + Mg(NO3)2 + H2O, Total iron content: 5 ±0.5%, Nitrate content: 17 ±1.5%, Quantity: 150 Mg 4) Agent 4: Consistency: liquid, Chemical composition: Fe2(SO4)3 + Mg(NO3)2 + H2O, Total iron content: 11 ±0.5%, Nitrate content: 2.5 ±0.5%, Quantity: 100 Mg