The object of the order is the successive delivery of:

(a) PART I: Successive supply of polymer in emulsion form and in powder form to support the process

dewatering of fermented sludge.

(b) PART II: Successive supply of ferric (III) chloride — C40.

1) Polymer in the form of an emulsion.

Polymer in the form of an emulsion supporting the process of dewatering fermented sludge on presses

piston, decanter centrifuge and over-sludge thickening on a belt compactor.

a) Required parameters:

• Lepkość 4500-5000 [mPas]

• Lepkość w 20 C <=1200 [cps]

• Active substance content > 51%

• High cationic charge

• pH 3,5÷4,2

• Distillates (petroleum), hydrogen-treated light >=25 to <40%

• Polyoxyethylene Trimethyldecyl Alcohol 7-10

(alcohol polioksyetyleno-trimetylodecylowy 7-10) >=1 do <2,5%

• Density ~1.0 [g/cm3]

• Physical state: liquid or emulsion

• Colourless to whitish

• Viscous characteristics

(b) The polymer shall be capable of producing the effect of:

• compaction on the tape compactor min. 5 % DM at consumption max. 10.0 kg/Mg d.m.

• drainage on piston presses min. 26% d.m. with consumption max. 12.0 kg/Mg d.m. and leachate quality max.

300 mg/dm3

• dehydration on the decanter centrifuge min. 24% d.m. with consumption max. 11.0 kg/Mg d.m. and leachate quality

max. 300 mg/dm3;

(c) Delivery of the product:

• delivery of emulsions in tanks of 1000 dm3, meeting health and safety requirements.

• frequency of deliveries: each time after the request is requested

• Place of delivery: Sewage Treatment Plant, Ciepłownicza 7a, 35-322 Rzeszów,

• delivery of the emulsion is to be carried out no later than 5 working days from the moment of notification of the demand

• Expected amount of polymer delivered for concentration per year: 155,000 kg ±10%.

2) Polymer in powder form. Polymer in powder form supporting the sludge dewatering process

fermented on belt presses.

a) Required parameters:

• Viscosity at 25 C: 35-85 [cps]

• Density: ~1,0 [g/cm3]

• Active substance content = 100%

• Adipic acid >=2.5 to <5%

• Physical state: powder

• Colour: white to whitish

• Characteristics: loose

b) The polymer is to enable the effect of: dehydration on belt presses min. 15% d.m. with wear

max. 9,0 kg/Mg s.m.

(c) Delivery of the product:

• delivery of powder in bags of 20-25 kg – a total of 1000 kg on a pallet.

• Frequency of deliveries: each time after the request is requested,

• Place of delivery: Sewage Treatment Plant, Ciepłownicza 7a, 35-322 Rzeszów,

• delivery of the emulsion is to be carried out no later than 5 working days from the moment of notification of the demand,

• Expected amount of polymer delivered for concentration per year: 2,000 kg ±10%

1) Iron (III) chloride - C40 - used for the process of dewatering fermented sludge on presses

piston for its subsequent drying in a mechanical dryer at the Sewage Treatment Plant in

Rzeszow.

a) Required quality parameters:

• Total iron content min. 13%

• Concentration min. 36%

• Fe2+ max. 0,3%

• pH below 1.0

• Density (in 20 C) 1.35 – 1.5 g/cm3

• Crystallization temperature -20C

• Free acid (HCl) max. 3%

• Chrom (Cr) <70 ppm

• Nickel (Ni) <70 ppm

• Lead (Pb) <60 ppm

• Cadmium (Cd) <10 ppm

• Rtęć (Hg) <1 ppm

b) Estimated annual consumption of ferric (III) chloride - 490Mg ±10%.

(c) Additional information:

• Frequency of deliveries: each time after the request is requested,

• Place of delivery: Sewage Treatment Plant, Ciepłownicza 7a, 35-322 Rzeszów,

• chloride delivery is to be carried out no later than 3 working days from the moment of notification of the demand,

• Possibility of unloading 24 h / d after prior arrangement with the Ordering Party.

d) Infrastructure:

• Two tanks with a capacity of 28 m3 each

• Two tanks with a capacity of 24 m3 each

• One tank with a capacity of 16 m3

• Discharge connector type "KAMLOK 3"