Ahmed Said Mahmoud

11 Questions 40 Answers 0 Followers

Questions related from Ahmed Said Mahmoud

Preparation of iron using NaBH4 produce nano iron increase pH of solution and by using green synthesis produce nano iron decrease pH of solution Why?

Preparation of iron using drop by drop method of reducing agent such as NaBH4 produce nano iron with zero charge increase pH to be alkaline and by using green synthesis as reducing agent produce...

01 January 2018 2,878 2 View

What is the best pH conditions to use different coagulant from FeCl3.6H2O, Al2SO4.18H2O, Fe2SO3 and AlCl3 for wastewater treatment?

What is the best pH conditions to use different coagulant FeCl3.6H2O, Al2SO4.18H2O, Fe2SO3 and AlCl3 for wastewater treatment?

01 January 2018 5,954 2 View

How can i manage the effect of operating parameters (pH, Dose, Stirring rate, Concentration and Temperature effects) all of them at the same time?

i want to study the effect of dose against different stirring rate and different time in the same experiment what can i do?

01 January 2018 2,449 4 View

What are the disadvantages of using nanotechnology in water and wastewater treatment?

In my study I found different disadvantages of using nanoparticles in water and wastewater treatment such solubility, increasing TOC and difficulty of collecting after treatment I need your...

01 January 2018 1,523 30 View

Can anybody help for How to select nano particles to introduce into polymer membrane for desalination applications?

01 January 2018 3,339 4 View

Why the particle size for nanomaterials preparation different from chloride salts and sulfate salts? what is the best reducing agent except NaBH4?

The preparation of nano metal especially nano aluminium have different size according to the aluminium salt (Chloride and Sulfate), why? and Generally what is the most suitable reducing agent that...

01 January 2018 5,178 10 View

How can I convert the flowrate ml/min into pressure psi?

I am using hose not water pipe and i want to convert the flow rate ml/min into pressure psi in simple equation

01 January 2018 7,213 3 View

What is the best method to collect non magnetic properties nanoparticles from solutions?

I am trying to collect nano carbide FeC from aqueous solution in fast, easy and economic way

12 December 2017 218 2 View

What is the mechanisms of salt rejection using entrapped nano particles into membrane?

12 December 2017 8,443 3 View

Can anybody help for How to select nano particles to introduce into polymer membrane for desalination applications?

Can anybody help for How to select nano particles to introduce into polymer membrane?

12 December 2017 9,977 0 View

What is the mechanisms of salt rejection using entrapped nano particles into membrane?

I want to know the roles t to prepare and identify nano particles in desalination applications

12 December 2017 474 0 View