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Processes, Volume 8, Issue 5

May 2020 - 136 articles

Cover Story: This paper investigates aquathermolysis of heavy oil in carbonate reservoir rocks from Boca de Jaruco (JSC «Zarubezhneft»), which is developed by the cyclic steam stimulation method. The nickel-based catalyst precursor was introduced in order to intensify the conversion processes of heavy oil components. The active form of such catalysts—nickel sulfides—are achieved after steam treatment of crude oil at reservoir conditions. It is revealed that catalyst particles provide a reduction in the content of resins and asphaltenes due to the destruction of carbon-heteroatom bonds. The oil recovery factor is enhanced due to irreversible viscosity reduction of crude oil. View this paper.
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Articles (136)

  • Feature Paper
  • Article
  • Open Access
14 Citations
5,747 Views
26 Pages

22 May 2020

Steam network operation stability and reliability is vital for any industrial branch. A combined steam network model comprising a balance and a coupled thermo-hydrodynamic model, including seasonal variations impact and system specificities, is prese...

  • Feature Paper
  • Article
  • Open Access
8 Citations
5,455 Views
24 Pages

Assessment of the SM12, SM8, and SMD Solvation Models for Predicting Limiting Activity Coefficients at 298.15 K

  • Sydnee N. Roese,
  • Justin D. Heintz,
  • Cole B. Uzat,
  • Alexa J. Schmidt,
  • Griffin V. Margulis,
  • Spencer J. Sabatino and
  • Andrew S. Paluch

22 May 2020

The SMx (x = 12, 8, or D) universal solvent models are implicit solvent models which using electronic structure calculations can compute solvation free energies at 298.15 K. While solvation free energy is an important thermophysical property, within...

  • Article
  • Open Access
12 Citations
4,695 Views
21 Pages

Performance Evaluation of Elimination of Stagnation of Solar Thermal Systems

  • Miroslav Rimar,
  • Marcel Fedak,
  • Jakub Vahovsky,
  • Andrii Kulikov,
  • Peter Oravec,
  • Olha Kulikova,
  • Michal Smajda and
  • Miroslav Kana

22 May 2020

The study deals with the possibility of elimination of stagnation of thermal systems. The state of stagnation of thermal systems leads to overheating and evaporation of the heat transfer medium, which increases pressure and can lead to damage to the...

  • Feature Paper
  • Review
  • Open Access
96 Citations
15,367 Views
26 Pages

22 May 2020

The unique pool of features found in intracellular and extracellular bacterial biopolymers attracts a lot of research, with bacterial cellulose (BC) being one of the most versatile and common. BC is an exopolysaccharide consisting solely of cellulose...

  • Feature Paper
  • Review
  • Open Access
34 Citations
7,910 Views
21 Pages

MOF-Based Adsorbents for Atmospheric Emission Control: A Review

  • Nicola Gargiulo,
  • Antonio Peluso and
  • Domenico Caputo

21 May 2020

This review focuses on the use of metal–organic frameworks (MOFs) for adsorbing gas species that are known to weaken the thermal self-regulation capacities of Earth’s atmosphere. A large section is dedicated to the adsorption of carbon di...

  • Article
  • Open Access
11 Citations
4,222 Views
14 Pages

21 May 2020

Channel confluences are of the common structures in fluid transport channels. In this study, a series of numerical simulations were performed, utilizing a 3D code to investigate the reaction of the flow parameters and vortical structure to the variat...

  • Feature Paper
  • Article
  • Open Access
8 Citations
4,880 Views
16 Pages

21 May 2020

One of the main concerns of industry is energy efficiency, in which the paradigm of Industry 4.0 opens new possibilities by facing optimization approaches using data-driven methodologies. In this regard, increasing the efficiency of industrial refrig...

  • Article
  • Open Access
12 Citations
4,978 Views
12 Pages

21 May 2020

This study focuses on the electromagnetic interference shielding effectiveness (EMI SE), dissipation of electrostatic discharge (ESD), and surface resistivity of polymer blends between polycarbonate (PC) and acrylonitrile–butadiene–styrene (ABS) fill...

  • Feature Paper
  • Review
  • Open Access
43 Citations
9,203 Views
18 Pages

21 May 2020

Bioactive glass scaffolds are used in bone and tissue biomedical implants, and there is great interest in their fabrication by additive manufacturing/3D printing techniques, such as robocasting. Scaffolds need to be macroporous with voids ≥100 m...

  • Article
  • Open Access
23 Citations
5,487 Views
9 Pages

High Enzymatic Recovery and Purification of Xylooligosaccharides from Empty Fruit Bunch via Nanofiltration

  • Hans Wijaya,
  • Kengo Sasaki,
  • Prihardi Kahar,
  • Nanik Rahmani,
  • Euis Hermiati,
  • Yopi Yopi,
  • Chiaki Ogino,
  • Bambang Prasetya and
  • Akihiko Kondo

21 May 2020

Xylooligosaccharides (XOS) are attracting an ever-increasing amount of interest for use as food prebiotics. In this study, we used efficient membrane separation technology to convert lignocellulosic materials into a renewable source of XOS. This stud...

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Processes - ISSN 2227-9717