how to calculate percent removal by using qmax
i have determined maximum wavelength of my dye wastewater. How to determine initial concentration of dye wastewater and name of dye in it?
05 June 2018 6,849 6 View
Kindly suggest few models which are best and simple for fixed bed column study?
08 September 2017 827 1 View
How to calculate external mass transfer coefficient for fixed bed column fiiled with the adsorbent pellets?
07 August 2017 9,207 3 View
How to contact googlescholar for wrong citation?
05 June 2017 2,985 7 View
How to calculate mass transfer coefficient and axial dispersion coefficient. when only following parameters are known 1.Bed height 2.Flow rate 3. Inlet adsorbate conecntration 4. External mass...
05 June 2017 6,679 1 View
If i am working on a column filled with adsorbent, in my batch study max adsorption capacity was achieved in 1 hr. In continous column how can i achieve that max adsorption capacity that was...
05 June 2017 4,279 7 View
Does anyone have any experience with "Environmental Engineering and Management Journal" with ISSN 1582-9596 and IF - 1.008. On their website they instruct to mail your research paper directly on...
05 June 2017 8,527 0 View
In my model of matlab for fixed bed adsorption column, i have obtained very large time in X-axis of breakthrough curve..i.e nearly 5*10^(5) second. Is it possible? why it is higher. please suggest?
04 May 2017 1,314 4 View
I have used BET to determine surface area of my adsorbent (cellulosic material) but nitrogen does not adsorb on its surface. Only one point is available. Please suggest how can i measure its...
04 May 2017 6,204 3 View
How to make pellets of acid treated wheat bran ? It is similar to activated carbon..we made pellets using pelletizer using clay as a binder..pellet is perfectly made but after dipping in water it...
03 April 2017 218 0 View
Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...
28 February 2021 7,882 2 View
When I run the job for TS(QST3) in gaseous phase, it was completed without any error. But when I add water in CPCM model it terminated with an error: Inconsistency: ModMin= 2 Eigenvalue=...
21 February 2021 3,198 2 View
Hi all, I have a question regarding calculations using the Pfaffl method. I have 3 groups per experiment: 1 control group (calibrator) and 2 treatment groups with 6 to 7 biological repeats per...
19 February 2021 8,351 2 View
Hi all, Is there any software or webserver to read the molecular dynamics (MD) simulation trajectory which obtained from Ab initio MD simulation to calculate the atom-atom radial distribution...
25 January 2021 9,474 3 View
I am using finite difference method to discretize the parabolic equation (explicit method), but confused about the chemical reaction term. Solving the generic equation for i specie involves a...
24 January 2021 1,149 18 View
Hi all, I am trying to perform some ab inito DFT calculations using cp2k code. I have a unit cell of 120 atoms and would like to know how to refine or reduce the number of atoms in the unit cell...
20 January 2021 6,024 3 View
A cif file represents a unit cell with minimum energy. My question is, in the start of any ab initio calculation for unit cell generated from the cif file, why we are advised to optimize cell...
19 January 2021 9,883 3 View
Is it possible to calculate entalphy of LiBr/H2O or another solution if we know correlation of specific heat without using any software?
17 January 2021 5,522 3 View
I have tried BoltzTrap, and EPW but I'm not sure whether Boltzmann Transport Equation is a right approach for a complex system (semi cond. + an Oxide layer or even the semiconductor itself). Also...
11 January 2021 4,597 4 View
I am using crystal 17 for my solid state ab initio calculations. For some reason the program is not able to produce the Raman spectra but have generated born charges. Is there any way to produce...
11 January 2021 2,317 2 View
