Tenders Are Invited For Activated Carbon – Activated Carbon Change In The Area Of ​​Leachate Treatment

Activated Carbon – Activated Carbon Change In The Area Of ​​Leachate Treatment. Delivery Of 200,000 Kg Of Reactivated Activated Carbon As Operating Material For The Landfill Leachate Treatment Plant. The System Is Hydraulically Designed For 500 M³/D And In Terms Of Loads For 389 M³/D. The Average Of The System Inflow Over The Last Three Years Is 270 M³/D With 1777 Mg/L Cod, Composed Of: Landfill Leachate: 170 M³/D Condensate From The Gas Stations: 20 M³/D Concentrate From The Groundwater Purification Plant (Nf + Uo): 80 M³/D The Wastewater Flow After Ultrafiltration (Before Activated Carbon Adsorption) Has The Following Values: Cod: Maximum Value: 1076 Mg/L, Average: 679 Mg/L Aox: Maximum Value: 1.9 Mg/L, Average: 0.82 Mg/L In Accordance With The Statutes And Approval Regulations Of The Hanover City Drainage System, The Following Discharge Limit Values Must Be Adhered To: Cod: 400 Mg/L Aox: 0.5 Mg/L Delivery Is Made By Silo Vehicle. A Transfer Container Will Not Be Provided. Connections Must Be Adapted To The Clients Specifications: Process Water Connection: Storz B Coupling Flow And Return Adsorber: One Storz A Coupling Each Distance From Vehicle To Adsorber: Approx. 35 M The Activated Carbon Must Meet The Following Parameters: Type: Extrudate Or Broken Coal Bulk Density: 400-550 Kg/M³ Pore Volume: 0.8-1.2 Cm³/G Surface Area (B.E.T.): 800–1200 M²/G Max. Pressure Loss (Fresh Coal, 1.5 M/H Flow, Per M Dump Height): 0.04 Bar – 0.07 Bar Duration Of A Transfer (Emptying And Filling): ≤ 8 Hours Water Consumption Per Transfer: ≤ 25 M³