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Product Detail :
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"supply Of A Polymer In The Form Of An Emulsion And A Powder Supporting The Process Of Dewatering The Digested Sludge In A Sewage Treatment Plant And Supply Of Iron (iii) Chloride"
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| Tender Detail : |
Contract notice: "Supply of a polymer in the form of an emulsion and a powder supporting the process of dewatering the digested sludge in a sewage treatment plant and supply of iron (iii) chloride"
1) a polymer in the form of an emulsion. polymer in the form of an emulsion supporting the fermented sludge dewatering process on piston presses, a decanter centrifuge and thickening of excess sludge on a belt compactor. a) required parameters: • viscosity: 500-5000 [mpas] • viscosity at 20 ° C: 51% • cationic charge: high • ph: 3.5-4.2 • distillates light hydrotreated (petroleum): up to = 1 to = 2.5 to <5% • aggregate state: powder • color: white to off-white • characteristics: free flowing b) polymer is to achieve the effect of: dehydration on belt presses at least 15% DS. with consumption of max. 9.0 kg / mg DM c) delivery of the product: • delivery of powder in 20-25 kg bags - 1000 kg in total on a pallet • frequency of deliveries: each time after the demand is reported, • place of delivery: sewage treatment plant, ul. Cieplownicza 7a, 35-322 Rzeszów, • emulsion delivery is to be carried out no later than 5 working days from the moment of request notification, • expected amount of polymer delivered for concentration per year: 5,000 kg ± 10%.
1) iron chloride (iii) - c40 - used for the dewatering process of digested sludge on piston presses in order to dry it in a mechanical dryer at the sewage treatment plant in Rzeszów. a) required quality parameters: • total iron content min. 13% • concentration of min. 36% • fe2 + max. 0.3% • ph below 1.0 • density (at 200c) 1.35 - 1.5 g / cm3 • crystallization temperature -200c • free acid (hcl) max. 3% • chromium (cr) <70 ppm • nickel (ni) <70 ppm • lead (pb) <60 ppm • cadmium (cd) <10 ppm • mercury (hg) <1 ppmb) estimated annual consumption of iron chloride (iii ) - 490mg ± 10%. c) additional information: • frequency of deliveries: each time after the demand is submitted, • place of deliveries: sewage treatment plant, ul. Cieplownicza 7a, 35-322 Rzeszów, • delivery of chloride is to be carried out no later than 5 working days from the moment of notification of the demand, • possibility of unloading 24 h / day after prior agreement with the contracting authority.d) infrastructure: • two tanks with a capacity of 28 m3 • two tanks with a capacity of 24 m3 • one tank with a capacity of 16 m3 • kamlok 3 unloading joint
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