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Questions related to Chemical Engineering
How I can find freely? Somewhere it is available but it is very costly (Chemical engineering magazine). So I am looking any alternative if available. Please suggest me.
27 December 2019 6,351 4 View
in ammonia plants to produce hydrogen NG is passed through primary reformer which is steam methan reforming, then partially converted gas goes to secondary reformer. in some books secondary...
22 December 2019 8,128 0 View
I'm testing galvanostatic charge/discharge on a supercapacitor electrode right now at 0.1, 0.2, 0.4, 0.5, 0.75 and 1 amp/gram, and for some reason when I set my program to run one after the other...
23 November 2019 3,064 0 View
I am working on designing a solar thermochemical hydrogen production plant e We are required to design a facility to produce hydrogen via Sulfur-ammonia cycle making use of the solar spectrum with...
22 November 2019 7,796 10 View
I am using propane to cool down 17,7 MPa air to 98K (liquefaction) and heat it back to 209K at 6,5 MPa. The HXs gives the fallowing error and T-Q diagram. How do I solve this problem? WARNING...
20 November 2019 181 0 View
There are two main methods to calculate the biodegradability rate for anaerobic digestion process. The first method using the ratio of Experimental Methane Yield to its theoretical value ( using...
16 November 2019 8,162 6 View
I am currently formulating a farm model for AD of a highly biodegradable substrate of maximum biogas yield of about 485 mL biogas/gVS. I want to include a percentage to account for the headspace...
11 November 2019 8,183 1 View
11 November 2019 396 3 View
11 November 2019 6,462 10 View
Hi, I am trying to apply Newton's law of cooling to figure out the cooling time of an insulated reactor from 600 °C to 20 °C. The reactor is heavily insulated (over 150 mm of insulation) and the...
11 November 2019 1,449 4 View
Hi all, working on a task where HF acid gas may be present due to Li-ion battery combustion (faulty batteries, over-changing, transport/vibration) in a container. Curious how one would design a...
11 November 2019 6,479 3 View
01 November 2019 4,853 7 View
Hi there, I just confronted a problem for quite a long time. When I try to encapsulate cells into my droplets (HFE-7500 oil, 2% surfactant added), I see many cells escape the encapsulation...
30 October 2019 7,966 1 View
In some papers, I see that whenever there's a graphical comparison of conversion with another parameter, say temperature or bed length, the equilibrium conversion is typically plotted as well. I...
27 October 2019 9,827 8 View
In many of the situations especially when fluid flow in tubes, the nature of flow may be pulsatile of peristaltic. in both the cases, the walls are assumed to deform in some specific pattern....
19 October 2019 9,003 3 View
In my ASPEN simulation, the error is displayed as "PRESSURE NOT UPDATED DUE TO PRESSURE DROP CALCULATION ERRORS." Can someone please help me on how to solve this error ?
12 October 2019 2,059 2 View
The author of the following Article "Sizing external heat exchangers for batch reactors" Chemical Engineering December 1,1980, Richard J Malone, mentions that his equations for sizing external...
10 October 2019 6,586 1 View
I am interested in knowing the equations for obtaining these properties and subsequently inserting them in a model. Suggestions on texts, articles and web materials will be appreciated.
23 September 2019 2,965 5 View
We are synthesizing Nano Silica, Alumina, ferric oxide & Titanium oxide using sol gel method. Kindly suggest suitable reducing agents other than NaOH & Ammonium hydroxide solutions.
22 September 2019 145 5 View
-How to calculate acidic sites. -Formula for conversion of cm3/g at STP to mmole/g.
18 September 2019 2,206 0 View
What are the trends of research in chemical engineering in general and process engineering in particular? And what are the skills needed to master (modeling , data analytics , softwares ... ) in...
11 September 2019 9,201 10 View
With the advent of modern technology man is using tooth paste containing antimicrobials commonly phenol derivatives which are poisonous to man. Can these antimicrobials affect the microbiome of...
10 September 2019 8,826 4 View
09 September 2019 1,122 13 View
09 September 2019 3,701 5 View