What is best way which can give me good results i mean i do chemical activated first then pyrolysis or pyrolysis first then chemical activated?

More Abderrahim Khelfaoui's questions See All

Should I use Pressure Based Solver or a Density-Based Solver?

Dear researchers, I want to simulate a flow (air) in a wind tunnel, and I want to integrate a fluidic actuator inside it in order to control the separation of the boundary layer. At the blower...

22 February 2021 4,882 3 View

Whats the statistical relationship between opposing instrumental variables?

For the numerous use of IV regression in economics, Ii come across this question? for example, if we take Y=bX+u(1), a possible causal relationship with possible endogeneity problem, and also an...

12 September 2020 1,652 3 View

What are the physical properties of the semi-transparent solar cell ?

Dear all, Can semi-transparent photovoltaic cells generate significant electrical power even though its transmission coefficient is high ?, and what are the physical properties (Thermal and...

03 May 2020 7,506 3 View

How to plot Load vs. Displacement in ANSYS explicit or LS-DYNA ?

Please, I would like to know how I can plot Load vs. Displacement in ANSYS Workbench (Explicit or LS-DYNA module) Thank you.

06 March 2019 3,826 3 View

What are the new opportunities offered in live sciences?

Looking for new opportunities in life science.

13 December 2018 1,524 1 View

How do I find original study on plant extract rich in phenolic acids?

I have a plant extract rich in phenolic acids and I want to study its biological activities. What are the activities that you advise me to study?

11 December 2018 3,994 5 View

What is the best animal model for studying the healing activity of extracts or oils (fixed or essential)?

I want to study the healing activity of extracts and oils (fixed or essential). What is the animal model that you advise me to carry out this study? is it the rat or the rabbit?

27 November 2018 8,973 2 View

What is the most appropriate animal model for humans to study the biological and pharmacological activities of natural substances?

what is the most appropriate animal model for humans to study the biological and pharmacological activities of natural substances?

26 November 2018 4,523 3 View

How to create a source of type sinc in ADS software (Advanced design system) ?

Can you help me create a source of type sinc in ADS I found a mathematical function that plays the role (picture 1) but I do not know how to use it ? thank you in advance

12 May 2018 7,327 1 View

Is there any difference between Buongiorno's and Tiwari - Das's nanofluid models ?

Salam; Is there any difference between Buongiorno's and Tiwari - Das's nanofluid models for Cf and Nu in the case of Natural convection flow , when the fraction of nanoparticles is < 4%

08 February 2018 9,712 6 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View

How to clean up TEM grid with plasma cleaner?

I need to clean the hydrocarbon contamination on the carbon substrate of TEM grid. However, I heard that substrate could be broken by the powerful plasma. My substrate is pure carbon, with ~3nm,...

23 February 2021 3,262 5 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

22 February 2021 6,569 3 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

21 February 2021 7,561 4 View

What properties of water shall be analyzed and evaluated to test the effectiveness of activated carbon?

I would like to ask what other properties of water (pH and such) shall be analyzed and evaluated to test the effectiveness of activated carbon from filtering the contaminants present in the water?

20 February 2021 9,422 8 View

Henrik Romar

Why not combine them in series, make the chemical impregnation, dry, do the pyrolysis and activation in a one-step process?

Abderrahim Khelfaoui

Md. Rafsan Nahian,Pramod K Kalambate,Henrik Romar and Zhonghua Yao

Thank you so much for your answers, I will take your answers in consideration