Zahra Mousavi

8 Questions 15 Answers 0 Followers

Questions related from Zahra Mousavi

Is there any relationship between the amount of adsorption energy and type of adsorption?

Hi in DFT calculations, after calculating the adsorption energy, in the absence of the solvent, is here any relationship between the range of the adsorption energy and the type of adsorption...

11 June 2021 5,511 7 View

What does negative value of "as" constant in sips isotherm mean?

Hi, I have done a series of adsorption isotherm experiments. when I fitted my data with sips isotherm, the value of "as" constant became negative. qe=(Ks*Ce^βs)/(1+ as*Ce^βs) Does it have any...

15 December 2020 7,191 5 View

Why copper adsorption is more than zinc?

hi, I have done some adsorption experiments and the results showed high affinity of the adsorbent to copper rather than zinc. is it correct to conclude that this is due to the higher...

06 September 2018 9,457 7 View

What is the advantages of knowing adsorption kinetics and isotherm?

I appreciate if anyone help me to know more about the importance and advantages of knowing adsorption kinetics and isotherm in a adsorption system.

09 August 2018 7,781 6 View

Pseudo second order vs. Elovich kinetic models, what is the difference?

What is the difference of pseudo-second order and Elovich kinetic models? As I know they both show chemisorption. so, when my data fit pseudo-second order kinetic model better than Elovich, what...

28 February 2018 8,906 14 View

Heavy metal removal with iron oxide or coated iron oxide, why coating?

I want to know why some researchers coat iron oxide or make iron oxide chitosan(or other proteins) composite for heavy metal removal.... what's the advantage of coating iron oxide in heavy metal...

26 October 2016 4,174 6 View

Why does adsorption capacity of calcium alginate decrease after protein encapsulation?

Hi, I am using calcium alginate for heavy metal adsorption. I have encapsulated a protein in calcium alginate matrix, my protein and calcium alginate both have good adsorption of heavy metals,...

20 September 2016 2,802 2 View

What to do with concentration difference between DOE data and experiment after some processes?

I have used Design expert software to design a set of experiments, and I want to model concentration against some parameters. In the procedure of my experiment I should ultrasonic the solution,...

09 January 2016 6,081 6 View