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Questions related from Mehrnaz Sadrnourmohamadi
What will be the effect of calcite contactor on water pH and alkalinity? Water hardness after passing through calcite contactor will raise, can we say the same thing for alkalinity and pH as well?...
18 June 2020 4,780 0 View
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 2,424 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 1,234 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 1,321 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 3,798 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 7,381 4 View
Can anyone name any treatment plant where Filox has been used for Fe and Mn removal? Has anyone heard of any place where well water has been an issue with Filox? Thank you,
16 June 2016 5,153 9 View
Can anyone comment on recommended value of dissolved and organic carbon (DOC) for fishes in cases where river water with high level of organic carbon is used as a hatchery source water?
10 May 2016 7,758 3 View
If blood worm is used as fish food, how can we estimate BOD load due to that? any suggested equation?
03 May 2016 9,218 1 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 9,398 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 4,298 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 407 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 3,477 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 1,859 10 View
I need to do the simulation of dissolved organic carbon (DOC) and trihalomethanes (THMs) reduction by applying ozone at different doses.
01 July 2014 4,286 1 View
I need to find Al species distribution in three Al-based coagulants with different B value
12 January 2014 3,487 6 View
