Tenders Are Invited For Primary-Form Acrylic Polymers Systematic Supply Of 50,000 Kg Of Powder Polyelectrolyte For Dewatering Digested Sludge

Primary-Form Acrylic Polymers Systematic Supply Of 50,000 Kg Of Powder Polyelectrolyte For Dewatering Digested Sludge. The Subject Of The Order Is The Systematic Delivery Of 50,000 Kg Of Powdered Polyelectrolyte For Dewatering Digested Sludge At The Sitk wka Sewage Treatment Plant In Nowiny Near Kielce For A Period Of 12 Months From The Date Of Delivery Of The First Delivery. Powder Polyelectrolyte Must Meet The Following Conditions: 1) Obtaining 19% Dry Matter. In Sludge From Dewatering Centrifuges, With A Device Capacity Of 20 M3/H; 2) The Lowest Possible Agent Consumption Per Mg Of Dry Matter (Mg Dm) Of Sludge, Enabling Proper Operation Of Devices And Proper Dewatering Of Sludge; 3) Obtaining A Clear Leachate With The Following Parameters: A) Cod 2000 Mg/L B) Total Suspension 500 Mg/L. 4) The Polyelectrolyte Submitted For Tender Must Be Previously Tested On A Technical Scale On Sewage Treatment Plant Equipment, With The Participation Of The Contractors Representative. Each Contractor Will Have One Day To Conduct Tests On A Technical Scale. Tests Will Be Carried Out On Working Days From Monday To Thursday From: 8:00 14:00 In The Period From February 22, 2024. Until March 7, 2024 In Accordance With The Deadline Specified In The Paragraph Below. The Exact Date Of The Polyelectrolyte Test Will Be Set Individually For Each Contractor After Prior Arrangement With The Ordering Party - The Order Of Applications Is Decisive. Contractors May Submit Applications Within 5 Business Days From The Date Of Publication Of The Announcement Via Platformzakupowa.Pl Open Nexus. The Ordering Party Will Notify Each Of The Contractors About The Date Set For Carrying Out Tests For Its Preparation. 5) At The Request Of The Contractor, The Ordering Party Will Provide Samples Of Digested Sludge For The Contractor To Conduct Its Own Tests On A Laboratory Scale. 6) For Testing, Approximately 50 Kg Of Powder Polyelectrolyte Must Be Delivered Along With The Corresponding Safety Data Sheet And Technical Specifications; 7) The Supplied Polyelectrolyte Should Have Parameters (Bulk Density, Grain Size) Enabling Proper Operation Of The Existing Collection (Vacuum Cleaner) And Digestion Systems; 8) When Selecting The Best Offer, The Gross Price Of Drainage Of 1 Mg Dry Matter Will Be Taken Into Account. Sediment. Conditions And Method Of Carrying Out Polyelectrolyte Tests On A Technical Scale: 1) Parameters Of Digested Sludge, According To The Ordering Partys Data: - Dry Weight Of Sludge Approx. 2.2% - 2.7% - Organic Content Approx. 70% - Ph Approx. 7, 0 0.3 2) Only One Measure Indicated By The Contractors Representative Is To Be Submitted For Testing, 3) The Tests Carried Out Will Aim To Achieve The Required Drainage Effects Referred To In Point 3.1), Point 3.2) And Point 3) Lit. A) And Letter B) Of This Chapter, 4) Before Starting The Test, The Ordering Party Will Prepare The Polyelectrolyte Digestion Installation (Cleaning It From The Remains Of Other Agents), 5) On The Day Of The Tests, A Bulk Test Will Be Carried Out To Determine The Exact Efficiency Of The Digestion Device And The Concentration Of The Polyelectrolyte Solution, 6) Polyels After Reconstitution

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Global Tender Document	Tender Notice