Tran-Ngoc-Phu Nguyen

7 Questions 9 Answers 0 Followers

Questions related from Tran-Ngoc-Phu Nguyen

Can we use COD measurement to characterizing N‑methyl‑2‑pyrrolidone (NMP) in wastewater?

Hi every one, In case we have no HPLC, could we use COD measurement method to characterize the concentration of NMP in wastewater instead?

06 September 2023 2,245 3 View

How do I exactly measure extracellular polymeric substances (EPS) in sludge?

I read many papers in which the authors calculate EPS through polysaccharides and proteins. They measure polysaccharides by phenol-sulfuric acid method and proteins by Bradford method. Then, EPS...

07 January 2015 3,621 18 View

Does anyone know about the color of sludge in an anoxic tank? which color is the best for assessing the health of anoxic microorganism?

Anyone has experience on the anoxic tank, please let me know. Thank you very much.

13 November 2014 1,968 7 View

Does anyone know how to measure nitrate (NO3-) and nitrite (NO2-) in the presence of high concentration of chloride (Cl-) and phosphate (PO43-)?

I can not detect nitrite and nitrate by using Ion Chromatography (IC) under high concentration of chloride and phosphate even dilution. Does anyone know how to solve this problem? Please help me....

18 August 2014 5,271 18 View

Can oxygen pass through a proton exchange membrane (PEM), cation exchange membrane (CEM), or anion exchange membrane (AEM)?

I am working on the bio-electrochemical two-chamber reactor. Proton exchange membrane is used to separate two chambers and lead proton (H+) moving from anodic chamber to cathodic chamber. I also...

01 August 2014 6,621 5 View

Can ammonium ion be suctioned through a 20 micron membrane?

In an MBR system, if I use a 20-micron membrane, I wonder if whether ammonium ion can be passed through the membrane or not.

02 July 2014 1,809 3 View

How can I culture autohydrogenotrophic bacteria?

Can anyone suggest for me an appropriate way to culture autohydrogenotrophic bacteria? Can I collect sludge from SBR reactor to culture it?

24 June 2014 1,296 1 View