Polyethylenimine-functionalized pyroxene nanoparticles embedded on Diatomite for adsorptive removal of dye from textile wastewater in a fixed-bed column

A Hethnawi, NN Nassar, AD Manasrah… - Chemical Engineering …, 2017 - Elsevier
In this study, polyethylenimine-functionalized pyroxene nanoparticles (PEI-PNPs) were
embedded into Diatomite (D4500), a commonly used filter aid, at< 5 wt% to remove a …

Nanopyroxene-based nanofluids for enhanced oil recovery in sandstone cores at reservoir temperature

F Sagala, T Montoya, A Hethnawi, G Vitale… - Energy & …, 2019 - ACS Publications
Nanoparticles (NPs) have recently gained great attention as effective agents for enhanced
oil recovery (EOR) applications, especially at ambient temperatures. Nevertheless, harsh …

Fixed-bed column studies of total organic carbon removal from industrial wastewater by use of diatomite decorated with polyethylenimine-functionalized pyroxene …

A Hethnawi, AD Manasrah, G Vitale… - Journal of colloid and …, 2018 - Elsevier
In this study, a fixed-bed column adsorption process was employed to remove organic
pollutants from a real industrial wastewater effluent using polyethylenimine-functionalized …

Molecular dynamics simulation of methane hydrate formation on metal surface with oil

M Zi, D Chen, G Wu - Chemical Engineering Science, 2018 - Elsevier
Microsecond molecular dynamics simulations were performed to investigate the methane
hydrate formation on smooth and rough metal surface covered with water, light oil, and …

Understanding adsorption of violanthrone-79 as a model asphaltene compound on quartz surface using molecular dynamics simulations

T Lan, H Zeng, T Tang - The Journal of Physical Chemistry C, 2018 - ACS Publications
A series of molecular dynamics simulations were performed to investigate the adsorption of
violanthrone-79 (VO-79) as a model asphaltene compound on quartz surface in different …

Integrating silicate-based nanoparticles with low-salinity water flooding for enhanced oil recovery in sandstone reservoirs

F Sagala, A Hethnawi, NN Nassar - Industrial & Engineering …, 2020 - ACS Publications
A large number of researchers have endeavored to delineate the effects of injecting brine
with a low ionic strength in oil reservoirs in the past decade. However, we still cannot …

Enhancing Chromium (VI) removal from synthetic and real tannery effluents by using diatomite-embedded nanopyroxene

A Hethnawi, W Khderat, K Hashlamoun, A Kanan… - Chemosphere, 2020 - Elsevier
A commercial filter aid material of Diatomite was modified via loading it with a low mass
fraction of polyethylenimine-functionalized pyroxene nanoparticles (PEI-PNs) to enhance its …

Preparation and characterization of polyethylenimine-functionalized pyroxene nanoparticles and its application in wastewater treatment

A Hethnawi, NN Nassar, G Vitale - Colloids and Surfaces A …, 2017 - Elsevier
In this study, polyethylenimine-functionalized pyroxene nanoparticles were successfully
prepared in-house for the removal of commercial red dye (CRD) from an industrial …

Applications of Nanoparticles in Energy and the Environment: Enhanced Oil Upgrading and Recovery and Cleaning up Energy Effluents

M Contreras-Mateus, A Hethnawi… - … : Climate Action and …, 2022 - ACS Publications
The transition to sustainable, environmentally friendly, scalable, and affordable energy
sources has been the hardest challenge in global prosperity and economic growth since the …

Effect of model polycyclic aromatic compounds on the coalescence of water-in-oil emulsion droplets

C Jian, Q Liu, H Zeng, T Tang - The Journal of Physical Chemistry …, 2017 - ACS Publications
A series of molecular dynamics simulations were performed to investigate the effect of
polycyclic aromatic compounds (PACs) on the coalescence of two water droplets in oil (ie, n …