Mohammad Al-Harahsheh

5 Questions 7 Answers 0 Followers

Questions related from Mohammad Al-Harahsheh

What are the possible reasons for increasing flux dropping rejection of NF membranes during filtratation of wastewater?

For unknown reasons I started to notice that after sometimes (0.5-1.0 hr) of operating crossflow filtration system, the flux increases steadily with corresponding decrease of rejection of the...

31 October 2024 6,134 4 View

What is the best method to convert IX resin IRA 400 from chloride form to OH form?

I used NaOH (1 M and 2 M) to remove Cl- from the surface of IRA 400 and it is taken long and repeated washing to do that. Is there reliable method based on experience for this resin to convert it...

20 January 2024 1,710 0 View

How to clean PTFE vessel from carbon deposits after it has been used for generating carbon from glucose?

A PTFE vessel was used as a reaction vessel to carbon coat magnetite NPs using glucose at 180C for 12 hrs. The interior of the vessel was blackened by the carbon deposits. It was soaked for long...

16 October 2019 2,516 3 View

How to preserve the magnetite structure of prepared magnetic nanoparticles (Fe3O4) prepared by precipitation?

I have prepared magnetic nano-particles (as supposed to be) by mixing of Fe2+ and Fe3+ chlorides taking into account the stoichiometry required. I have dripped the Fe solution into 0.6M NaOH...

08 August 2019 1,049 3 View

What is the suitable material of construction for High pressure reactor when HCl is used as leaching reagent?

I want to leach Al from clay mineral using HCl (up to 6 M concentration) using High pressure reactor. The temperature to be used is 150-200C. I need your advice on a suitable material of...

18 April 2019 3,085 8 View