Nor Adilla Rashidi

5 Questions 7 Answers 0 Followers

Questions related from Nor Adilla Rashidi

Desulfurization of petroleum coke for activated carbon production?

Dear fellow researchers, Currently, I'm working on utilization of petroleum coke as starting material for activated carbon production. Referring to elemental analysis, petcoke contains high S...

02 March 2018 5,289 2 View

What are the steps in chemical activation (for wet impregnation)?

Dear all, I would like to clarify on the steps for the chemical activation for the activated carbon synthesis. Through readings, chemical activation can be carried out by (a) solid-solid mixing...

20 September 2017 5,986 2 View

Calorific value of activated carbon?

Dear all, I would like to ask regarding the calorific value of biomass and synthesized activated carbon. From my readings, higher carbon content will lead to higher calorific value. Nevertheless,...

10 September 2017 4,765 6 View

Why did petroleum coke become hardened after CO2 activation?

I'm currently working on the activated carbon production from industrial waste (petcoke from refinery) via carbon dioxide activation at high temperature (> 800oC) for 1hr. I've realized that...

30 November 2016 5,334 1 View

Why is predicted R-squared negative?

I'm working on the Design of Experiment using Box-Behnken model, and when I analyze the result using Design Expert Ver. 8, I am getting significant lack of fit and negative R-squared...

24 June 2016 7,885 10 View