Gabriela Kamińska

3 Questions 2 Answers 0 Followers

Questions related from Gabriela Kamińska

What to do to reduce nitrate to nitrogen with zero iron?

I am trying to remove a high concentration of nitrate (~7500 mg/L) from wastewater using iron powder, mixing it at an elevated temperature (65°C) and low pH=2. Unfortunately, no reduction of NO₃⁻...

04 February 2025 3,512 1 View

Why fouled membrane is more hydrophilic?

Membrane treating surface water become more hydrophilic after ultrafiltration (decrease in contact angle). Can be this related with surface roughness?

29 December 2020 9,530 2 View

Why fouled membrane has more negative zeta potential and lower IP?

I modified PES membranes with nanoparticles (nanosilver, graphene, halloysite). They were used in UF for WWTP effluent treatment. After filtration, all membranes exhibited more negative zeta...

27 December 2020 5,930 3 View