Browsing Chemical Engineering by Title
Now showing items 813-832 of 1137
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Prevention of barite sag in water-based drilling fluids by a urea-based additive for drilling deep formations
( MDPI , 2020 , Article)Barite sag is a challenging phenomenon encountered in deep drilling with barite-weighted fluids and associated with fluid stability. It can take place in vertical and directional wells, whether in dynamic or static conditions. ... -
Probing the effect of combustion controlled surface alloying in silver and copper towards ORR and OER in alkaline medium
( Elsevier B.V. , 2019 , Article)Bi-metallic silver-copper nanoparticles were synthesized using two modes of combustion synthesis, known as Solution Combustion Synthesis (SCS) and Second Wave Combustion Synthesis (SWCS) to enhance surface alloying in Cu ... -
Probing the effect of various water fractions on methane (CH4) hydrate phase equilibria and hydrate inhibition performance of amino acid L-proline
( Elsevier B.V. , 2021 , Article)To develop an effective hydrate risk mitigation strategy for offshore flow assurance its essential to understand the effect of different water fractions on the rate of hydrate formation and study the effect of various water ... -
Process Dynamic Analysis and Control Strategy for COGEN option Used for Flare Utilization
( Elsevier B.V. , 2019 , Book chapter)The aim of this work is to develop suitable process dynamic analysis and control strategies for implementing cogeneration unit (COGEN) as a flare utilization alternative to handle unexpected disturbances from unknown and ... -
Process safety and abnormal situation management
( Elsevier Ltd , 2016 , Article Review)This review paper summarizes process safety aspects of abnormal situations and incidents in industrial facilities. Major accidents and their negative impacts on health, safety and environment have shown the importance of ... -
Process systems engineering for transforming industrial flares into a source of energy by managing uncertain abnormal situations
( AIChE , 2017 , Conference Paper)Advancement in technology always influences the world energy market by making excess to the valuable untapped resources. Profound research on potential unexploited/waste energy can lead the world to a new direction of ... -
Processing and characterization of palm fiber-polypropylene composites
( Trans Tech Publications Ltd , 2011 , Conference Paper)Composites of palm fiber and polypropylene were compounded using a mixing device at various temperatures, mixing times, and mixing intensities. Two mixing options were utilized. Either the mixing device was mounted with a ... -
Production of flexible nanocomposite membranes for x-ray detectors
( Elsevier , 2020 , Article)Flexible membranes of poly(vinyl alcohol) (PVA) polymer and CuO nanoparticles for x-ray detection applications are reported in this work. PVA represents a polymer matrix for nanoparticles, and its flexibility and electrical ... -
Production of sensitive gas sensors using CuO/SnO2 nanoparticles
( Springer Verlag , 2019 , Article)Metal oxide nanoparticles, such as CuO and SnO2, are outstanding systems for H2S gas sensing in air. In this work, those nanoparticles were deposited with different mixing percentages on substrates to form percolating ... -
Progress in valorisation of agriculture, aquaculture and shellfish biomass into biochemicals and biomaterials towards sustainable bioeconomy
( Elsevier , 2022 , Article)The recurrent environmental and economic issues associated with the diminution of fossil fuels are the main impetus towards the conversion of agriculture, aquaculture and shellfish biomass and the wastes into alternative ... -
Projection of Significant Wave Height in a Coastal Area under RCPs Climate Change Scenarios
( American Society of Civil Engineers (ASCE) , 2016 , Article)This article provides multimodel and multiscenario projections of significant wave height for the Qatar coast. Significant wave height is used for practical purposes such as offshore and coastal structure design as well ... -
Promising And Anomalous Structural And Electrochemical Properties Of Polyanionic Phosphates In Sodium Ion Batteries
( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)This work presents a recent progress on the polyanionic phosphate family that functions as cathode materials in sodium ion batteries (SIBs). Firstly, this study will cover vanadium-containing frameworks that show very ... -
Properties enhancement of Ni-P electrodeposited coatings by the incorporation of nanoscale Y 2 O 3 particles
( Elsevier B.V. , 2018 , Article)In this study the influence of nanoscale Y 2 O 3 particles on structural, morphological, mechanical and the elemental composition of Ni-P coatings have been investigated using scanning electron microscopy (SEM), microhardness, ... -
Properties of Dialkylcarbonate + 1-Alkanol Mixtures at the Vacuum Interface
( American Chemical Society , 2016 , Article)The properties of solutions formed by dialkylcarbonate + 1-alkanol solutions are studied using classic molecular dynamics simulations. The effects of solution composition, temperature, and dialkylcarbonate type have been ... -
Properties of electrodeposited Ni-B-Al2O3 composite coatings
( Elsevier Ltd , 2014 , Article)Ni-B coatings have gained a great deal of attraction due to their promising mechanical properties. Owing to tempting properties, Ni-B coatings have succeeded to find their applications in automotive, aerospace, petrochemical, ... -
Properties of electrodeposited Ni-B-ZrO2 composite coatings
( Electrochemical Science Group , 2015 , Article)Ni-B coatings have high hardness and high wear resistance which make them suitable for automotive, aerospace, petrochemical, textile and electronics industries. Further improvement in properties (especially the corrosion ... -
A Property Based Approach for Simultaneous Process and Molecular Design
( Elsevier B.V. , 2009 , Article)In this work, property clustering techniques and group contribution methods are combined to enable simultaneous consideration of process performance requirements and molecular property constraints. Using this methodology, ... -
Propylene oxide assisted sol-gel synthesis of zinc ferrite nanoparticles for solar fuel production
( Elsevier Ltd , 2016 , Article)This paper reports the synthesis of phase-pure Zn-ferrite nanoparticles with high specific surface area (SSA) via the propylene oxide (PO) assisted sol–gel method. For the synthesis of Zn-ferrite, metal precursors (ZnCl2 ... -
Prospects and Challenges of Green Hydrogen Economy via Multi-Sector Global Symbiosis in Qatar
( Frontiers Media S.A. , 2020 , Article)Low carbon hydrogen can be an excellent source of clean energy, which can combat global climate change and poor air quality. Hydrogen based economy can be a great opportunity for a country like Qatar to decarbonize its ... -
Protecting environment and assuring efficient energy transfer using ionic liquids
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)Gas hydrates are ice-like crystalline compounds that are formed when small gas molecules get trapped within the water molecules under high pressure and low-temperature conditions in oil and gas transmission lines. The ...