Browsing Chemical Engineering by Title
Now showing items 705-724 of 1173
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Modified Ni-Al layer double hydroxides as nanoparticles for self-healing anti-corrosion composite coating
( Elsevier , 2024 , Article)Corrosion is a major concern for metallic structures, leading to significant economic losses and safety risks. Self-healing coatings have recently emerged as a promising solution to mitigate corrosion issues. This research ... -
Modified zeolite/polysulfone mixed matrix membrane for enhanced CO2/CH4 separation
( MDPI AG , 2021 , Article)In recent years, mixed matrix membranes (MMMs) have received worldwide attention for their potential to offer superior gas permeation and separation performance involving CO2 and CH4. However, fabricating defect-free MMMs ... -
Moisture and temperature dependence of the dielectric properties of pharmaceutical powders
(2013 , Article)The dielectric properties of pharmaceutical powder–(paracetamol, aspirin, lactose, maize starch, adipic acid) solvent (water) mixtures were measured at 2,450 MHz at a range of moisture contents (0–1.0 kg kg−1, dry basis) ... -
Molecular and electronic structure elucidation of Fe2+/Fe3+ complexed chelators used in iron sulphide scale removal in oil and gas wells
( Wiley-Liss Inc. , 2019 , Article)Quantum chemical calculations based on DFT are employed to study the electronic structure and binding affinity of chelators used in the removal of iron sulphide scales. Three chelating agents, EDTA, HEDTA, and DTPA, are ... -
Molecular Design of Novel Chemicals for Iron Sulfide Scale Removal
( Hindawi Limited , 2021 , Article)Scale deposition is a pertinent challenge in the oil and gas industry. Scales formed from iron sulfide are one of the troublous scales, particularly pyrite. Moreover, the use of biodegradable environmentally friendly ... -
Molecular Dynamic Simulations of Fibrous Distillation Membranes
( Elsevier Ltd , 2018 , Article)The rate of heat and mass transfer through distillation membranes is typically estimated using an over-simplified, straight-cylindrical-pore approach coupled with several empirical correction factors that are included to ... -
Molecular dynamics of CH4/CO2 on calcite for enhancing gas recovery
( John Wiley and Sons Inc , 2022 , Article)The effect of temperature and pressure on the adsorption of CO2 and CH4 gases on calcite (104) has been studied by means of classical molecular dynamics. The results show that carbon dioxide greatly improves methane ... -
Molecular Property Clustering Techniques
( Elsevier B.V. , 2016 , Book chapter)In this work, systematic property clustering methods for molecular design are described. Group contribution first-order estimation methods are coupled with property clustering methods to define the targets of the property ... -
Molecular simulations in upstream applications
( Elsevier , 2023 , Book chapter)The development of powerful computers and molecular simulation has allowed researchers to use them to get useful information about electronic properties related to chemical and physical interactions at the molecular level. ... -
Monitoring and measurement of microalgae using the first derivative of absorbance and comparison with chlorophyll extraction method
( Springer International Publishing , 2018 , Article)Monitoring of microalgae in water supplies and industrial applications are becoming increasingly important, yet there are few options available that are simple and accurate, and can provide real-time information. The present ... -
Multi-objective optimization methodology to size cogeneration systems for managing flares from uncertain sources during abnormal process operations
( Elsevier Ltd , 2015 , Article)Flaring is common practice in industries to reduce the risk during abnormal situations, to maintain the product quality or to operate safely during process start up and shut down. Due to its large negative impacts on the ... -
Multifunctional self-healing polymeric nanocomposite coatings for corrosion inhibition of steel
( Elsevier B.V. , 2019 , Article)The present work focuses on the self-healing and corrosion behavior of novel epoxy based coatings containing epoxy monomer (EM) and dodecylamine (DDA) as self-healing and corrosion inhibitor, respectively. The coating ... -
Multilayer-MCTDH approach to the energy transfer dynamics in the LH2 antenna complex
( Institute of Physics Publishing , 2017 , Article)The multilayer multiconfiguration time-dependent Hartree method is used to study the coupled exciton–vibrational dynamics in a high-dimensional nonameric model of the LH2 antenna complex of purple bacteria. The exciton–vibrational ... -
Na2FeP2O7 as a Promising Iron-Based Pyrophosphate Cathode for Sodium Rechargeable Batteries: A Combined Experimental and Theoretical Study
( WILEY-VCH Verlag GmbH & Co. , 2013 , Article)Considering the promising electrochemical performance of the recently reported pyrophosphate family in lithium ion batteries as well as the increasing importance of sodium ion batteries (SIBs) for emerging large-scale ... -
Nano-gate opening pressures for the adsorption of isobutane, n-butane, propane, and propylene gases on bimetallic Co-Zn based zeolitic imidazolate frameworks
( Royal Society of Chemistry , 2019 , Article)In this article, zeolitic-imidazolate framework-8 (ZIF-8) and its mixed metal CoZn-ZIF-8 were synthesized via a rapid microwave method. The products were characterized by Raman spectroscopy, XPS, XRD, EDX, TEM, NanoSEM, ... -
Nanocomposite Membranes of Silica and Polysulfone for Improved Gas Permeation
( Elsevier, Ltd , 2012 , Conference Paper)Polysulfone-Silica mixed matrix hybrid membranes have been prepared by incorporating silicon dioxide nanoparticles with average particle size of 136 nm. Two types of polysulfone-silica nanocomposite membranes were prepared ... -
Nanocomposite Ni-TiO2 coatings produced by pulsed electroplating
( Maney Publishing , 2014 , Conference Paper)Nanocomposite Ni-TiO2 coatings were prepared on mild steel substrate by pulse electroplating with controlled duty cycle and frequency. A systematic study of Ni-xTiO2 coatings with different TiO2 concentrations (x50-20 g ... -
Nanocomposite photoactuators based on an ethylene vinyl acetate copolymer filled with carbon nanotubes
(2013 , Article)This paper reports strong, reversible actuation of nanocomposites on the base of ethylene vinyl acetate (EVA) filled with multiwalled (MWCNTs) and singlewalled carbon nanotubes (SWCNTs). The carbon nanotubes (CNTs) dispersion ... -
Nanofeatures of resorcinol-formaldehyde carbon microspheres
( Elsevier , 2012 , Article)Resorcinol-formaldehyde activated carbon xerogels were synthesized at certain conditions, and their morphology was studied experimentally to examine their detailed nature on the nanoscale level, which has not been reported ... -
Nanofibers of resorcinol–formaldehyde for effective adsorption of As (III) ions from mimicked effluents
( Springer Verlag , 2018 , Article)In the present study, the core–shell structured RF/PVA nanofibers have been developed and used for the adsorption of As3+ ions from the mimicked liquid effluents. Efficient-facile fabrication of the structured nanofibers ...