What is the removal mechanism for Cr(VI) by electrocoagulation?

02 February 2019 1 5K Report

What is the mechanism of converting Cr (VI) to Cr (III) in the electrocoagulation process by aluminum electrodes from aqueous solution or wastewater containing Cr(VI) ?

Vit Mateju

It is reduction of Cr(VI) to Cr(III).

Regards

Vit

Badges
Science topic

More Milad Mousazadeh's questions See All

Decrease pH by increasing electrolysis time during the Electrocoagulation process

Removal of hexavalent chromium from industrial wastewater by... Why does the pH of the solution containing Cr (VI) be reduced during the treatment? In the event that, pH is usually increasing...

01 January 1970 8,041 4 View

What is the mechanism of converting Cr (VI) to Cr (III) in the electrocoagulation process by aluminum electrodes from aqueous solution or wastewater?

Removal of toxic metal Cr(VI) from aqueous solutions by elec...

01 January 1970 9,839 5 View

What is the reason for current dropping in OER , LSV curve?

I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...

10 August 2024 3,629 1 View

Why Do TDS and EC Increase with Larger Wastewater Volumes, While BOD and COD Decrease?

I have carried out MFC experiments on three different volumes, 50, 500 and 1000 mL of wastewater. Results after MFC treatment shows that TDS and EC are more in larger volumes of water i.e. TDS and...

09 August 2024 9,621 0 View

Could dyes amplify the spectrum of light to a specific wavelength?

I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...

05 August 2024 3,290 1 View

Binder for ZnO nanoparticles in graphite paste electrode?

I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?

03 August 2024 4,624 3 View

How to find a reaction is reversible or irreversible in CV? How to know the number of electrons transfer?

My screen printed electrode CV is given here. For Nerstean one electron reaction the delta E value should be close to 57 mV and ration of Ic/Ia should be close to 1. I did CV of my screen printed...

30 July 2024 4,671 3 View

How to check pH of a high strength hydrogel?

We are working on biopolymeric hydrogels. Our system is highly viscous and sticky, and the gel formed are high in strength. We are unable to use pH electrode and pH strip. Please suggest an easy...

30 July 2024 942 2 View

While doing Chronoamperometry, when the light is turned off, why the current is not decreasing sharply?

Here, I have used Ag/AgCl as reference electrode and 0.5M KOH.

29 July 2024 4,538 3 View

Why semicircle of nyquist plot is not complete?

While I am doing HER, I noticed that nyquist plots of Electrochemical Impedance Spectroscopy (EIS) is not complete. Will it affect for the Linear Sweep Voltametry (LSV) data? However, I can found...

26 July 2024 7,542 4 View

Why do these abnormal charge/discharge curves of coin cell batteries appear?

As shown in the figures, there are several abnormal charge/discharge curves.Each of them may have different problems. I am curious why these situations appeared differently?There are a lot of...

24 July 2024 6,930 1 View

What roles do microorganisms play in Earth's ecosystems, & why is their role so important and role of microorganisms in secondary wastewatertreatment?

What roles do microorganisms play in Earth's ecosystems, and why is their role so important and role of microorganisms in secondary wastewater treatment?

23 July 2024 5,032 3 View