A forum to ask questions or problems relating to Chemical Engineering. | Contact experts in Chemical Engineering to get answers
1,859 views 3,014 posts
Questions related to Chemical Engineering
Hello everyone, please I need to know if I can use the linear form of Langmuir, Freundlich and Temkin isotherm in the case of competitive adsorption (quaternary system)
22 January 2023 3,671 3 View
I need to dilute the oils to perform a disc diffusion assay
22 January 2023 6,971 1 View
Hi all, Attached below is the proton nmr spectra of biodiesel. The integration value of peak at 5.2 ppm is set to 1. and corresponding all other integration values are obtained. Is that right...
18 January 2023 2,036 3 View
Hello everyone, I would like to simulate a heat exchanger with tear stream in aspen plus. I got convergence in shortcut mode. But when I change it into the rigorous mode, I no longer can get the...
15 January 2023 1,850 4 View
Phenol sulfonation will be carried at around 105 degrees celsius with concentrated sulfuric acid.
14 January 2023 9,409 4 View
Hi! I'm doing scans using an atomic force microscopy (Brucker). The problem is when the scan ends, a message appears and I can't do another scan. The message says: " File captured, tip withdrawn,...
12 January 2023 2,046 4 View
How can I get time versus resistance change results with digital bench multimeter connected with computer?
12 January 2023 9,354 4 View
I want to take Raman for Graphene oxide solution. To do that, I planned to perform by placing a drop of graphene oxide in between two glass plates. is it a good method or bad method?
09 January 2023 3,555 5 View
Is there anyone using an electrochemical working station CHI660E for characterisation of electromechanical performance of piezoresistive pressure sensor? Could you suggest source, references or...
07 January 2023 1,935 4 View
I am wondering why my total citations increase at a fraction of the rate of new Citations. For example, this week it says 7 new citations, but the total is up by only 2. I have been watching...
06 January 2023 5,030 2 View
I wanted to know if there is such a possibility since I have observed quite little difference in qcal values in case of both PFO and PSO models.
02 January 2023 2,368 3 View
I want only metal evaporation. Color of metal granules is some balckish spots with metallic color.
01 January 2023 5,796 3 View
after making of the transport device in the material studio. I want to calculate current-to-voltage characteristics. In Dmol3, there is a task option electron transport, in that I/V...
01 January 2023 9,442 0 View
The variation of the drag coefficient with the Reynolds number for an infinite cylinder is a longstanding problem in fluid mechanics. According to my knowledge, the first data on this topic was...
29 December 2022 3,763 8 View
can anyone suggest finding nanoparticle size from UV-Vi spectra?
28 December 2022 8,889 2 View
Is there a global scale study that measures housing satisfaction that we can use in our research? That is, can we research housing satisfaction on a global level with the same formula and reach...
28 December 2022 911 2 View
I tried to separate isopropyl alcohol with ethyl acetate by distillation. But, due to the same boiling point and the formation of azeotrope, they did not separated. How can I separate these 2...
25 December 2022 430 0 View
Hi, I would like to know the significance of k-points in optimization steps of a crystal in qunatum espresso. iam doing optimization of gc3n4 and TiO2. Can we set same k-points for both crystals...
21 December 2022 7,230 2 View
how we can distinguish Top down on Bottom Up methods? Based on the methods or the precursor materials?
20 December 2022 9,208 0 View
Hi, I see papers on the Lotka-Volterra competition model in R and the authors have their a12 and a21 values set in the model. However, I am unclear on how they got to that value. Is it derived...
17 December 2022 6,867 0 View
I need information about steps in large scale rifamycin production.
08 December 2022 9,003 3 View
It shouldn't show any variation in pressure if we give "No slip" boundary condition. Does anyone know please reply.
07 December 2022 1,303 2 View
I am performing simulation on Aspen Plus for esterification reaction. I Want to know that how can I calculate the pure components and binary interaction parameters of components in ASPEN Plus?
07 December 2022 6,686 2 View
I want to prepare fe3o4@sio2@APTES nanoparticles to conjugate with bovine carbonic anhydrase.
29 November 2022 317 4 View