Dear Lokesh Kumar,

Fundamentals and main applications of typical methods such as Fenton, electro-Fenton, photo-Fenton, sono-Fenton, sono-photo-Fenton, sono-electro-Fenton and photo-electro-Fenton are reduction of chemical species by chemical reactions accelerated by several factors.

The mixture of FeSO4 or any other ferrous complex and H2O2 (Fenton’s reagent) at low enough pH, results in Fe2+ catalytic decomposition of H2O2 and proceeds via a free radical chain process that produces hydroxyl radicals which have extremely high oxidizing ability and could oxidize hard to decompose organic compounds in a short time.

These publications may be helpful for you:

https://www.sciencedirect.com/science/article/pii/S2213343713002030

https://www.researchgate.net/publication/282148450_A_Review_on_the_Fenton_Process_for_Wastewater_Treatment

Good luck.

Dear Lokesh Kumar,

Fundamentals and main applications of typical methods such as Fenton, electro-Fenton, photo-Fenton, sono-Fenton, sono-photo-Fenton, sono-electro-Fenton and photo-electro-Fenton are reduction of chemical species by chemical reactions accelerated by several factors.

The mixture of FeSO4 or any other ferrous complex and H2O2 (Fenton’s reagent) at low enough pH, results in Fe2+ catalytic decomposition of H2O2 and proceeds via a free radical chain process that produces hydroxyl radicals which have extremely high oxidizing ability and could oxidize hard to decompose organic compounds in a short time.

These publications may be helpful for you:

https://www.sciencedirect.com/science/article/pii/S2213343713002030

https://www.researchgate.net/publication/282148450_A_Review_on_the_Fenton_Process_for_Wastewater_Treatment

Good luck.

Lokesh Kumar: According to my opinion it would be nice firstly to learn something about basis of Fenton´s oxidation reaction. The brief information you can find on the following link

http://www.h2o2.com/industrial/fentons-reagent.aspx?pid=143

as welůl as in many textbooks.

When you will be familiar with the basis of Fenton´s oxidation you will be able to answer al your other questions.

Good Luck !!

Vít

Lokesh Kumar: According to my opinion it would be nice firstly to learn something about basis of Fenton´s oxidation reaction. The brief information you can find on the following link

http://www.h2o2.com/industrial/fentons-reagent.aspx?pid=143

as well as in many textbooks.

When you will be familiar with the basis of Fenton´s oxidation you will be able to answer al your other questions.

Good Luck !!

Vít

Lokesh Kumar: According to my opinion it would be nice firstly to learn something about basis of Fenton´s oxidation reaction. The brief information you can find on the following link

http://www.h2o2.com/industrial/fentons-reagent.aspx?pid=143

as well as in many textbooks.

When you will be familiar with the basis of Fenton´s oxidation you will be able to answer al your other questions.

Good Luck !!

Vít

Lokesh Kumar: According to my opinion it would be nice firstly to learn something about basis of Fenton´s oxidation reaction. The brief information you can find on the following link

https://www.lenntech.com/fenton-reaction.htm

as well as in many textbooks.

When you will be familiar with the basis of Fenton´s oxidation you will be able to answer al your other questions.

Good Luck !!

Vít

Mixing of peroxide into a low pH iron solution will create oxidizing hydroxyl radicals. The decomposition rate of peroxide argues for a rapid mixing process (pumping of the low pH iron contaminated solution into an in-line mixer, with peroxide injected into the flow immediately prior to the in-line mixer, is recommended (see the So. African "Abrimix" technology for the mixing step).

The rates of oxidative destruction of contaminant organic and inorganic material is species specific. High intensity Abrimix mixing pretty much delivers the maximum oxidative destruction that can be achieved by a single Fenton's reagent exposure.

In my view you must search research papers related to your specific field like what is optimum pH reported, doses for achieving good and efficient targeted parameters,then you will be able to apply some new or innovative technique in your scientific experiment.

I am affraid that all answers are to general for you. The reason is that the more specific information is needed. For example: reaction time depends upon more parameters like pollutant(s) to be treated, its concentration, temperature of treated wastewater, pH. The same is true for dosage of Fenton´s oxidation reagent. The reaction time could be partially controlled by the ratio Fe2+ : H2O2, too.

It means that top answer your questions reliably, more concrete information is needed.

Best regards

Vit

I suggest you to check this papers, maybe you will find helpful information inside them:

Article 2,4-D abatement from groundwater samples by photo-Fenton pro...

Article Addition of hydrogen peroxide enhances abiotic sunlight-indu...

Article Addition of Hydrogen Peroxide to Groundwater with Natural Ir...

Dear Vit Mateju Sir And All Others

Please further clear me if there is any way/ test/ experiment to evaluate/ measure residual H2O2 in treated water with Fenton Reagent ?

How does the Fenton Reagent Demand is evaluated in waste water?

What should be the ratio between FeSO4.7H2O (mg): H2O2 (33%V/V)?

Ratio of Ferrous Sulphate Salt and H2O2 Solvent?

Thanking you

Regards

Lokesh Kumar

Assistant Chemist

Municipal Water Supply Department, Delhi, India

E-mail: [email protected]

LOKESH KUMAR: As I mentioned above, it is necessary for you to learn the basics of Fenton´s oxidation. Without this knowledge further explanation has no meaning. When you learn the basics of Fenton´s oxidation you will be able to answer your questions yourself.

Here are links with information you need to understand Fenton´s oxidation:

http://wilsonemi.com/wp-content/uploads/2016/07/Chemical-Oxidation-Organics-Fenton.pdf

Article Effect of Reaction Condition on the Oxidation Efficiency in ...

http://www.iosrjournals.org/iosr-jmce/papers/NCIEST/Volume%202/17.127-136.pdf

https://estudogeral.sib.uc.pt/bitstream/10316/26811/3/Fenton%27s%20process%20applied%20to%20wastewaters%20treatment.pdf

http://www.informaticsjournals.com/index.php/ajcps/article/view/6134/7350

Best regards

Vit

Thanks a lot to Vit Mateju and All of You

I obliged.

Regards

Lokesh Kumar