Bids Are Invited For A Aquisição Se Faz Necessária Pois Devido Ao Tempo De Uso, As Crepinas Se Soltaram E Boa Parte Dos Materiais Filtrantes Escoaram Juntamente Com A Água Filtrada, Atingindo Os Cavaletes Da Região De Abastecimento Da Eta V, Causando Entupimentos Nos Mesmos.Considerando Que A Filtração Corresponde À Última Etapa Do Processo De Tratamento E Têm A Função De Remover Partículas Suspensas, Coloidais, Precipitados Químicos E, Principalmente, Cistos E Cryptosporidium And Giordia Oocysts, There Is An Urgent Need For The Replacement Of The Filter Bed Of The Three Filters Of Treatment Module I; ; Note: Accompanies Request 2448/2025;
Bids Are Invited For A Aquisição Se Faz Necessária Pois Devido Ao Tempo De Uso, As Crepinas Se Soltaram E Boa Parte Dos Materiais Filtrantes Escoaram Juntamente Com A Água Filtrada, Atingindo Os Cavaletes Da Região De Abastecimento Da Eta V, Causando Entupimentos Nos Mesmos.Considerando Que A Filtração Corresponde À Última Etapa Do Processo De Tratamento E Têm A Função De Remover Partículas Suspensas, Coloidais, Precipitados Químicos E, Principalmente, Cistos E Cryptosporidium And Giordia Oocysts, There Is An Urgent Need For The Replacement Of The Filter Bed Of The Three Filters Of Treatment Module I; ; Note: Accompanies Request 2448/2025;
Sand Consisting Of Grains Of Silicon Material; Free Of Impurities Such As Clay, Mud And Organic Material; Hcl Solubility Should Be Less Than 5% Mass; Real Specific Mass Greater Than 1, 3 G/Cm3; Effective Size Between 0, 45 And 0, 50 Mm; 1, 4 And 1 Uniform Coefficient Of Uniformity. Materials Should Be Suitable For Use In Water Treatment Systems For Human Consumption, That Is, As Established In Ordinance Gm/Ms No. 888, Of May 4, 2021, The Supplier Must Prove This Adequacy By Presenting An Unofficial Report (According To Ama/Nsf 61 Criteria Or Certification Of The Material By A Product Certification (Ocp) Recognized By Inmetro), Pedrisco Consisting Of Grains Of Silicon Material; Free Of Impurities Such As Clay, Mud And Organic Material; Hcl Solubility Should Be Less Than 5% Mass, Effective Size Between 1, 5 To 2, 0 Mm, Uniform Coefficient - C.U. & Lt; = 1, 5. Delivery In Packaging Of 1,000 Kg (Big Bag). Materials Should Be Suitable For Use In Water Treatment Systems For Human Consumption, Effective Size Between 1/8 To 1/4
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