Can we consider SEM (Scaning Electron Microscope) technique as a useful one to visualise fouling layers on reverse osmosis membranes ?

I'm trying to visualise fouling layers (biofouling, organic, inorganic and colloidal) on reverse osmosis membranes. Do you think SEM technique is a practical one? are there better...

10 November 2019 6,610 4 View

Can I patent a model used for chemical process based on previous models but with major modifications ?

Is it possible to patent a mathematical (with algorithm ) model used for variables calculation of a chemical process, knowing that there are different models patented for the same chemical process...

05 November 2019 2,741 8 View

What are the typical values for Mass transfer k in concentration polarization in reverse osmosis Desalination ?

I'm looking for the typical values for Mass transfer k used in the calculation of concentration in membrane wall (cases of spiral wound and flat membranes)

28 April 2019 2,579 3 View

What are the values of water and salt permeabilities in common reverse osmosis membrane for desalination (filmtec membranes for instance) ?

What are the values of water and salt permeabilities in common reverse osmosis membrane for desalination ? (filmtec membranes for instance) I need precise values as much as possible. Thank you.

18 January 2019 5,590 3 View

What is the most used type of commercial membranes in reverse osmosis desalination ?

what is the most used type of commercial membranes in reverse osmosis desalination ? and where can I find data about these membranes (solvent and solute permeability, pH range, max pressure, etc...)

05 January 2019 5,112 5 View

Hi everyone, I'm an engineer looking for a topic to start my thesis in the field of wastewater treatment modelling, can you give me any suggestions ?

Topic for a PhD thesis in the field of wastewater treatment modelling.

20 December 2017 5,971 6 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

What is the procedure to determine the permeability of concrete?

can anyone help me in this, it will help me with my research work

01 March 2021 834 3 View

How can we obtain a modification factor for creep parameters?

I want to obtain standard creep parameters of salt rock by creep parameters of rectangular samples. Is there a modification factor to convert creep parameters of rectangular (prismatic) rock salt...

01 March 2021 7,131 1 View

Anyone found any research papers on solar furnace design calculations (for solar concentration)?

I am thinking about working on solar furnace with heliostats that concentrate sunlight and heat molten salt, but currently no luck with research. Not a lot of papers based on the subject. (check...

01 March 2021 5,023 5 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

Which transition metal salt precursor is best for doping? Why?

I would like to synthesize a transition metal doped TiO2 via solgel method. Hence, I would like to know which metal salt precursor to choose among Chloride, Nitrate, and Sulphate. A clear...

27 February 2021 4,285 3 View

What are the saturated salt solutions that can give specific relative humidity of 35%, 65% and 95% for conditioning wood specimens?

Due to the unavailability of climate rooms, I want to carry out an experiment that require the use of certain saturated salt solutions especially those that can condition the wood specimen to 35%,...

25 February 2021 8,139 1 View

How do I choose contrasts in SPM8?

I am learning how to use SPM for PET and PET-MR analysis, but I haven't found any great resources that explain how contrasts work. I have a series of PET images where our hypothesis argues that...

24 February 2021 1,534 2 View

It is necessary to reflux the Schiff base and metal salts to obtain metal complex??

24 February 2021 9,166 3 View