Results 41 to 50 of about 22,701 (229)

Modeling the separation of water‐in‐oil emulsions in continuously fed gravity settlers using millifluidic experiments

AIChE Journal, EarlyView.
Abstract Emulsion separation remains a persistent challenge in chemical and process industries due to the metastable nature of dispersed droplets. In gravity separators, the overall separation rate is governed by the formation of a densely packed zone (DPZ) of deforming and coalescing droplets that mediates between the dispersed and continuous phases ...
Andrei Zlobin, José Esteban Andino‐Enriquez, Thomas Gouëzec, Maurice Bourrel, Enric Santanach‐Carreras, Nicolas Passade‐Boupat, Laurence Talini, François Lequeux, Pascal Panizza   +8 more
wiley   +1 more source

Composition of Pre-ozonated High-Sulfur Natural Bitumen Cracking Products [PDF]

, 2015
The results analysis of fractional and material composition of the cracking products of Ashalchinskoye and Karmalskoye bitumen deposits was presented in this work.
Dombrovskaya, A. S., Golovko, A. K., Krivtsov, E. B., Krivtsova, Nadezhda Igorevna, Sviridenko, N. N.   +4 more
core   +1 more source

Ultrasound–Calcination Synergistic Control of (Ce, La)PO4 Catalyst Structure for Enhanced Low‐Temperature NH3‐SCR Performance

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT In this study, (Ce, La)PO4 catalysts were synthesized via an ultrasound‐assisted method. The effects of ultrasound duration and calcination temperature on the low‐temperature NH3‐SCR performance were systematically investigated. The results indicated that the (Ce, La)PO4 catalyst prepared with an ultrasound treatment time of 20 min and a ...
Na Li, Kai Yan, Shuning Tan, Ruifang Wang, Zhiyu Zhang   +4 more
wiley   +1 more source

Catagenetic trends in composition and structure parameters of asphaltenes

Georesursy
Сatagenetic transformations of asphaltenes of organic matter (OM) from recent sediments and fossil rocks were studied on rocks sampled from different sedimentary basins (Timan-Pechora, Mezen, West Siberian, Kuznetsk, Aldan-Maya and Middle Amur) of Russia.
L. S. Borisova, I. D. Timoshina
doaj   +1 more source

La influencia de los productos químicos en la precipitación de asfaltenos: una comparación entre las técnicas de microscopía de fuerza atómica y de infrarrojo cercano

Revista Fuentes El Reventón Energético, 2017
Asphaltenes can cause serious problems to petroleum industry. Indication of asphaltenes stability can be obtained by precipitation induced by n-heptane, monitored by near-infrared (NIR).
Jeniffer N. Figueira, Renata A. Simão, Bluma G. Soares, Elizabete F. Lucas   +3 more
doaj   +1 more source

Effect of Binder on Physical Properties of Extruded Activated Carbon and Its Application to Levofloxacin Adsorption

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Bamboo charcoal–based extruded activated carbons were prepared via molding, pre‐oxidation, carbonization, and steam activation, with coal tar, phenolic resin, and their mixtures employed as binders based on practical availability and technical feasibility. This study focused on the regulatory effects of binders on the mechanical properties and
Huitao Jiang, Songlin Zuo
wiley   +1 more source

Investigation of structural features of asphaltenes used for carbon materials synthesis by arc plasma treatment

Petroleum Research
This study presents analysis of asphaltenes isolated from two crude oils: naphthenic-aromatic biodegraded oil and paraffin-naphthenic oil, which have been used as precursors for carbon materials synthesis.
Andrey Grinko, Evgenia Leushina, Yuliya Petrova, Pavel Povalyaev, Alexander Pak, Arina Goncharova, Vasily Kaichev, Valentina Egorova, Kirill Cherednichenko, Dmitry Zelentsov, Tatiana Cheshkova   +10 more
doaj   +1 more source

Interfacial adsorption characteristics of surfactant‐modified nanoparticles: Equilibrium and dynamic effects of salinity at the oil–water interface

The Canadian Journal of Chemical Engineering, EarlyView.
Surfactant‐modified nanoparticles adsorb at the oil–water interface, enabling interfacial stabilization and microemulsion formation. Abstract This study systematically investigated the interfacial behaviour of silicon dioxide (SiO2) and aluminium oxide (Al2O3) nanoparticles (NPs) functionalized with cationic (CTAB), anionic (SDS), and nonionic (Triton ...
Behrooz Ahmadi, Eghbal Sahraei, Amir H. Mohammadi   +2 more
wiley   +1 more source

The Viscosity of Asphaltene- Containing Oil [PDF]

, 2011
Imperial Users ...
Odubanjo, Oluwateleola, Odubanjo, Oluwateleola   +1 more
core  

Problematic Stabilizing Films in Petroleum Emulsions: Shear Rheological Response of Viscoelastic Asphaltene Films and the Effect on Drop Coalescence [PDF]

, 2014
Adsorption of asphaltenes at the water-oil interface contributes to the stability of petroleum emulsions by forming a networked film that can hinder drop-drop coalescence.
Alvarez G., Asekomhe S. O., Czarnecki J., David Harbottle, Erni P., Fan Y., Freer E. M., Goual L., Graham B. F., Grant M. C., Imperiali L., Ivanov I. B., Johan Sjoblom, Khatri N. L., Kilpatrick P. K., Kiran S. K., Kiran S. K., Krishna Moorthy, Louxiang Wang, Maia D. C., Maia Filho D. C., Natarajan A., Neuville M., Qian Chen, Qingxia Liu, Rane J. P., Sarkar J., Shengming Xu, Spiecker P. M., Sztukowski D. M., Thompson K. L., Vandebril S., Verruto V. J., Verruto V. J., Wang J., Wang L., Wang S., Wu X., Yan Z. L., Yang X., Yarranton H. W., Yarranton H. W., Yarranton H. W., Zhenghe Xu, Zhu Y.-w.   +44 more
core   +1 more source