Ghazaleh Chegini

5 Questions 7 Answers 0 Followers

Questions related from Ghazaleh Chegini

What is the contact time(in industry) for powdered activated carbon in wastewater treatment?

I want to study the behavior of different powdered activated carbons (PAC) in removing of contaminants from wastewater. However, I am not sure what would be the ideal contact time for industries...

07 July 2019 5,016 10 View

Could anyone give me some references on the effective range of CO2/biochar ratio to study?

I am calculating from Boudouard reaction the amount of CO2 needed for the activation but I am assuming 100% carbon which is not true and a high flowrate might be problematic for bio-char...

11 November 2018 7,007 0 View

What is the fastest way to analyse (plant) nutrients (Na, K, Mg, p, Fe, Mn, Zn) in water?

So I've been reading about infrared spectroscopy to detect the nutrients in the liquid. I have no clue how it works. I know for FT-IR you have, basically, a reference wavelength that you associate...

07 July 2018 9,646 8 View

What is the cheapest way to measure luminescence?

I am testing a bioassay to test a solution toxicity. I have to quantify the bacteria activity by measuring the luminosity. We have a UV-visible spectrometer which can not measure fluorescence...

03 March 2018 9,497 3 View

How to calculate environmental stability and equivalent ageing of the accelerated biochar?

I have some oxidized biochar samples using several methods from literature. Was wondering how I can correspond the carbon content of the oxidized biochar to calculate the residence time (years) of...

01 January 1970 1,943 2 View