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Questions related from Waleed M. Sh. Alabdraba
I have date from lab scale extended aeration activated sludge, i try to find a relationship between Y and Kd with the temperature but there are no clear trend.
10 July 2015 5,375 12 View
in a wastewater analysis i find the BOD/COD ratio in raw wastewater is 0.76 but in treated wastewater the BOD/COD ratio was 0.43 , why it different from that of raw wastewater? and which is better...
25 June 2015 1,503 25 View
When I try to do COD test when i add the AgSO4/H2SO4 solution a white colour sediment paper immediately, who can tell me why this happened? is it a problem with the H2SO4 or AgSO4?
11 June 2015 5,826 23 View
During the evaluation of reverse osmosis unit treating groundwater unit we found that the concentrations of Al, Cu, Mn, Zn, and Fe in treated water is higher than these in the raw water, if we...
03 June 2014 232 2 View
See above.
18 May 2014 7,691 3 View