08 August 2015 2 10K Report

I want to use nanotechnology for waste leachate treatment. I have to learn about the typical processing sequence of stages and then apply nanotechnology in order to eliminate some of the stages or combine some other ones

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How to interpret the surface roughness trend in PES/GO membrane?

adding graphene oxide / rGO / graphene have shown conflicting surface roughness changes in Polyethersulfone. for rGO in specific, why do we have roughness decrease whilst porosity has increased?

01 February 2019 9,601 5 View

Does Graphene oxide experience electrophoresis also in NMP ?

GO in NMP - considering NMP is not an electrilyte on itself, can the flakes move towards the opposite electrode?

08 September 2018 9,227 0 View

How to interpret the increase of water contact angle in polymer / graphene oxide ?

when the loadings of GO in the polymer increased the contacact angle was almost the same as the pure polymer and in one case higher... what can be the reason ... it is expected to have more...

04 May 2018 7,944 3 View

Why does my polymer solution tends to stick to the electrode while being imposed to electric field?

when I apply an electric field over my polymer solution it tries to move toward the negative electrode (the distance between the two electrodes is very low) this local movement is different every...

02 March 2018 9,968 4 View

Which side of the membrane is the top side?

while casting a carbon filler /polymer composite membrane on glass, during inversion in water , it gets up with a convex surface which is a little shiny. is this side the top surface of the...

01 February 2018 7,868 9 View

Why water does not reach to the edge of the blade while sectioning in ultramicrotome?

when i want to try thick sectioning of my sample, I fill in the tray with water bu even with angular and axial regulations and also filling and vacuuming water , it does not wet the upper part !...

31 December 2017 6,374 6 View

How to calculate the average viscosity and the dielectric constant of a solution of polymer?

I need to know the viscosity and dielectric of my solution. (polymer in a polar solvent)please advise if there is simple models or estimation techniques just to know an approximate estimation

31 December 2017 5,926 2 View

What are the techniques for adherence improvement between polymer thin film (water soluble ones) and metal surfaces?

I need to cover a metal surface with a thin layer of a water soluble polymer and this layer should adhere very well and not separate , also no-toxic ... what are the feasible methods?please...

31 December 2017 3,620 10 View

Is it possible to use membranes of diameter lower than 5 cm in Sterlitech setup?

my membranes are produced about 4.5 cm . is it possible to test them by a sterlitech HP4750 cell with some modifications of the setup?

11 December 2017 3,742 2 View

How to get more homogeneous membrane while casting ?

when we are using phase inversion method, how can we avoid formation of holes in the film casting on a glass slide? what parameters are effective?

09 October 2017 4,670 1 View

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