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Questions related from Mehrnaz Sadrnourmohamadi
Hi, I am doing technical due diligence for a technology so-called Suspended air flotation in industrial wastewater treatment. this technology is similar to DAF, but using froth instead of air...
16 April 2020 2,360 0 View
I am looking for any studies on effect of biological ion exchange method in reducing THMs precursors in high DOC (15 ppm) and cold water?
03 February 2020 1,169 2 View
I am looking for a dosage range of coagulant/flocculant used in DAF system for Slaughterhouse wastewater treatment? is ferric sulfate the one mainly used for that purpose?
12 June 2019 1,271 5 View
There are lots of laboratory studies on nano application in water/wastewater treatment. however not sure if there is any real world treatment plant sample using this kind of technology in its...
09 April 2019 3,716 7 View
Post aeration has been recently studied as an alternative to reduce the level of Disinfection By Products. It has shown a promising results in terms of THMs reduction, however nothing is confirmed...
28 July 2017 7,323 4 View
Anyone has any suggestion for recommended dose of KMnO4 used in drinking water treatment plants? Any cases where it has been used as pre-coagulation step and it has worked? Thanks
20 October 2015 9,362 12 View
The range of raw water zeta potential is reported to be between -10 and -20 mv, however I got the zeta value of -30 mv for a river water with high concentration of humic substances and calcium...
28 December 2014 4,248 1 View
The ferron assay is used to partition soluble aluminum species into such categories as monomeric, polumeric and colloida species denoted as Ala (reacting with ferron within 1 min), Alb (reacting...
26 November 2014 353 1 View
To examine the effect of pH on aluminum species distribution in coagulation, synthetic water containing 5×10-4 mol/L NaHCO3 and NaNO3 in distilled water is prepared for control experiments. The...
24 November 2014 3,425 7 View
US EPA has established a two-step process to determine enhanced coagulation requirement for TOC removal where it depends on water TOC concentration and alkalinity. Referring that the minimum TOC...
05 November 2014 1,813 10 View