Basic inorganic and organic chemicals | Tenderlake

Basic inorganic and organic chemicals

Contract Value:
PLN 908K - 908K
Notice Type:
Contract Notice
Published Date:
14 July 2023
Closing Date:
10 August 2023
Location(s):
PL213 Miasto Kraków (PL Poland/POLSKA)
Description:
Successive deliveries of polyelectrolyte for dewatering fermented sludge after mechanical and biological wastewater treatment at the "Kujawy" Wastewater Treatment Plant

Deliveries directly to the "Kujawy" Sewage Treatment Plant.

Polyelectrolyte used for dewatering fermented sludge on a centrifuge type PRO 6000 from GEA Westfalia. Polyelectrolyte in powder form.

Operating conditions of the device:

Amount of sludge for drainage: min 20 m3/h, max 30 m3/h,

Number of polyelectrolyte: 0,80 to 2.50 m3/h

Amount of water fed to secondary dilution of polyelectrolyte: 0 to 3 m3/h

Projected amount of sediment fermented for dehydration:

Q = 7.300 Mg s.m.

Features of fermented sediment:

Wed dry weight of sediment: 2,50-3,50%

Wed. Organic dry matter of digestate: approximately 58,5 %

Dehydration required: min 22.0% s.m.

Suspension content in the leachate – max 600 mg / l

Continued in the description of needs and requirements.

Deliveries directly to the "Kujawy" Sewage Treatment Plant.

Polyelectrolyte used for dewatering fermented sludge on a centrifuge type PRO 6000 from GEA Westfalia. Polyelectrolyte in powder form.

Operating conditions of the device:

Amount of sludge for drainage: min 20 m3/h, max 30 m3/h,

Number of polyelectrolyte: 0,80 to 2.50 m3/h

Amount of water fed to secondary dilution of polyelectrolyte: 0 to 3 m3/h

Projected amount of sediment fermented for dehydration:

Q = 7.300 Mg s.m.

Features of fermented sediment:

Wed dry weight of sediment: 2,50-3,50%

Wed. Organic dry matter of digestate: approximately 58,5 %

Dehydration required: min 22.0% s.m.

Suspension content in the leachate – max 600 mg / l

Continued in the description of needs and requirements.

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The Buyer:
Wodociągi Miasta Krakowa Spółka Akcyjna
CPV Code(s):
24300000 - Basic inorganic and organic chemicals