Tenders Are Invited For Slag, Dross, Ferrous Waste And Scrap – Supplies Of Ground Blast Furnace Slag in Poland

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Slag, Dross, Ferrous Waste And Scrap – Supplies Of Ground Blast Furnace Slag. 1. The Subject Of The Order Is The Sale And Delivery Of A Maximum Of 1,958 Tons Of Blast Furnace Slag Ground In Accordance With The Pn-En 15167-1 Standard Or Other Types Of By-Products Of High-Temperature Processing Of Metal Ores With Equivalent Solutions. 2. Equivalent Solutions Should Be Understood As Meaning That The Offered Material Is A By-Product Of High-Temperature Processing Of Metal Ores, Which Will Meet The Following Physico-Chemical Properties: No. Property Required 1 Mgo Content ≤ 18% 2 S2- Content ≤ 2% 3 So3 Content ≤ 2.5% 4 Chloride Content* ≤ 0.10% - The Maximum Content May Be Higher Than 0.1%, In This Situation The Maximum Chloride Content Should Be Declared By The Contractor 5 Moisture Content ≤ 1.0% 6 Glassy Phase Content > 66.6% 7 Specific Surface Area ≥ 275 M2/Kg 8 Loss On Ignition With Correction For Sulphide Oxidation ≤ 3.0% 9 Beginning Of Setting Of The Slurry (50% Of Ground Granulated Blast Furnace Slag And 50% Of The Comparative Cement Cem I) Cannot Be Longer Than Twice As Compared To The Beginning Of Setting Of The Slurry Made From The Comparative Cement Alone 3. Toxicity Requirements: No. Type Of Contamination Unit Maximum Value 1. A) Inorganic 2. Chlorides Mgcl/L 1000 3. Sulphates Mgso4/L 500 4. Sodium Mgna/L 800 5. Potassium Mgk/L 50 B) Inorganic Hazardous (Toxic) 1. Zinc Mgzn/L 2 2. Cadmium Mgcd/L 0.1 3. Copper Mgcu/L 0.5 4. Nickel Mgni/L 2 5. Lead Mgpb/L 0.5 6. Chromium Mgcr/L 0.5 7. Cyanides Mgcn/L Not Allowed 8. Sulphides Mgs/L Not Allowed C) Other 1. Ph 6.0-9.0 2. Cod Mgo2/L 100 4 Requirements Regarding Radioactivity - Isotope 226Ra+228Rai/Or 224Ra - Below 1X104 Bq/Kg Detailed Information On The Subject Of The Order And The Rules Of Its Implementation Are Included In The Contract Template, Which Constitutes Annex No. 10 To The Swz.

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