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 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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

Is there any published or unpublished statistics on dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, US, UK or any other country?

Are there any published or unpublished statistics or papers on the dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, USA, UK, or any other country where vaccination has started at...

28 February 2021 4,237 1 View

Can I use TCA instead of TFA for protein analyis in RP-HPLC?

I am trying to analyze lipase using the reverse phase-HPLC C18 column. In the literature, 0.1 % TFA was and 60% ACN was used. Can I use TCA in place of TFA? If any other methods are available to...

25 February 2021 2,388 3 View