Payam Margan

8 Questions 22 Answers 0 Followers

Questions related from Payam Margan

Is there any general solution for the temperature cross problem in heat exchanger simulation (eg. using Aspen Hysys)?

I'm going to find some probable solutions to my problem in Hysys simulation which is Temperature Cross in a heat exchanger? Could you please help me how to deal with the matter?

22 February 2017 348 8 View

Can you suggest an applicable method to deposite the titania on the stainless steel 304 using Titanium butoxide as a Ti precursor?

I have tried sol-gel method using the PEG 2000 and 20000 and the final result was yellow agglomerated granules on the surface without any connection to the substrate! I have some limitations such...

05 June 2015 7,369 3 View

Is the place of dye (or any contaminant) maximum wavelength at UV-Vis absorption a major factor to select the catalyst for degradation?

Suppose I want to select a photocatalyst to degrade a dye or any other contaminant. Should I notice the max wavelength and peak of UV-Vis of the particular contaminant? Is there any relation...

11 January 2015 7,320 11 View

Is it necessary to add Na2S to prevent ZnS photo-corrosion?

I know for Prevention of photocatalysts photocorrosion for the cases like CdS we need something like Na2S. So what if we have ZnS or NiS or other sulfides? Is it necessary to add this solution to...

11 January 2015 6,644 4 View

What notation and rules should we obey using recycle logic at Aspen HYSYS?

I have a simple simulation of Haber process and just after attachment of recycle stream the simulation would be diverged. What's the major note to insert a recycle at a simulation? The file is...

10 January 2015 3,646 2 View

How to find out which photocatalyst is suitable for which pollutant?

Suppose I have some photocatalyst, therefore, I want to find out which pollutant would be suitable for my catalyst to degrade the contaminant in water solution?

03 January 2015 9,866 7 View

How can I interface Aspen Hysys with matlab?

I want to link matlab with chemical process eng software "Aspen Hysys" I found I should use OLE automation for this purpose but I don't know exactly what's that?!

07 December 2014 1,010 7 View

If I want to know about photocatalytic water splitting what basic informations should I have?

What kind of facilities would I need? What are the materials for synthesis? What would be the type of reactor? What sources should I pick to start learning?

28 February 2014 9,638 10 View