Results 31 to 40 of about 7,502 (225)
Modeling and Scaling of the Viscosity of Suspensions of Asphaltene Nanoaggregates
Energies, 2017 The scaling and modeling of the viscosity of suspensions of asphaltene nanoaggregates is carried out successfully taking into consideration the solvation and clustering of nanoaggragates, and the jamming of the suspension at the glass transition volume ...
Rajinder Pal
doaj +1 more source
Asphaltene-Derived Metal-Free Carbons for Electrocatalytic Hydrogen Evolution
, 2019 The design of new and improved catalysts is an exciting field and is being constantly improved for the development of economically, highly efficient material and for the possible replacement of platinum (Pt)-based catalysts.
Jayashree Swaminathan (2527669) +15 more
core +1 more source
Isolation of Asphaltene-Degrading Bacteria from Sludge Oil
Makara Journal of Science, 2015 Sludge oil contains 30%–50% hydrocarbon fractions that comprise saturated fractions, aromatics, resins, and asphaltene. Asphaltene fraction is the most persistent fraction.
Pingkan Aditiawati +1 more
doaj +1 more source
Asphaltene-Based Porous Carbon Nanosheet as Electrode for Supercapacitor
, 2018 Asphaltene with high aromaticity derived from coal direct liquefaction residue is a favorable precursor to prepare new carbon materials because it is easy to polymerize or cross link.
Xiaodong Tian +7 more
core +1 more source
The Canadian Journal of Chemical Engineering, EarlyView.Mechanism of wettability alteration, interfacial tension reduction, and oil recovery by novel nanocomposite. Abstract The development of stable nanofluids (NFs) for enhanced oil recovery (EOR) relies on optimizing interactions between reservoir rocks and fluids.
Ehsan Jafarbeigi +2 more
wiley +1 more source
Kinetic and reaction pathway of upgrading asphaltene in supercritical water
, 2015 Experiments of upgrading asphaltene in Supercritical Water (SCW) were conducted in autoclaves with sealed gold tube reactors to elucidate the reaction pathway and reaction kinetics.
Li, Ning, Yan, Bo, Xiao, Xian-Ming
core +1 more source
, 2022 It is well-known that asphaltenes are a polydisperse fraction present in crude oil with a broad distribution of sizes and molecular characteristics. However, in practice, asphaltenes are often treated both in the laboratory and in modeling work as a ...
Francisco M. Vargas (1358826) +3 more
core +1 more source
Assessing the Asphaltene Adsorption on Metal Oxide Nanoparticles [PDF]
Iranian Journal of Oil & Gas Science and Technology, 2016 The Taguchi design of experiments (DOE) approach is adopted here to evaluate the impact ofeffective factors such as nanoparticles type, nanoparticles to model solution mass ratio, asphaltenestructure, and temperature on asphaltene adsorption equilibrium.
Fatemeh Amin, Ali Reza Solaimany Nazar
doaj +1 more source
The Canadian Journal of Chemical Engineering, EarlyView.Key improvements obtained by incorporating nanoparticles into a lab‐scale SAGD process configuration. The bar plots show enhanced oil recovery, reduced viscosity, and increased asphaltene adsorption in nanoparticle‐assisted scenarios compared with conventional SAGD.
Luis Prada +6 more
wiley +1 more source
Computer Simulation of Asphaltenes
Petroleum Chemistry, 2018 The review describes theoretical approaches based on computer simulations at various levels of details (from quantum chemical calculations to atomistic and coarse-grained models) to study asphaltenes and systems containing asphaltenes. The used methods are described, their advantages and disadvantages are discussed in terms of computational costs and ...
S. V. Lyulin +9 more
openaire +2 more sources