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Processes, Volume 9, Issue 6

June 2021 - 178 articles

Cover Story: Agro-industrial wastes and by-products such as animal manures, energy crops and agro-industrial residues are characterized by high biofuels production efficiency. Two-stage anaerobic digestion focuses at simultaneous H2 and CH4 production, providing increased process yields and energy recovery compared to the conventional one-stage anaerobic digestion. The aim of this study was to investigate the effect of pH on dark fermentation of an agro-waste mixture comprised of cheese whey, sweet sorghum stalks and cow manure in order to evaluate H2 production and end-products distribution. The influence of heat-treated inoculum, organic load and ensiled sorghum on H2 production was also tested. View this paper
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Articles (178)

  • Feature Paper
  • Article
  • Open Access
15 Citations
4,534 Views
14 Pages

Freeze-Drying versus Heat-Drying: Effect on Protein-Based Superabsorbent Material

  • Estefanía Álvarez-Castillo,
  • Carlos Bengoechea,
  • Manuel Felix and
  • Antonio Guerrero

21 June 2021

Porcine plasma protein is a by-product of the meat industry, which has already been applied in the manufacture of superabsorbent materials. The effects of plasticizer content (0%, 25%, 50%), together with those of the drying method (freeze-drying, th...

  • Article
  • Open Access
6 Citations
2,669 Views
15 Pages

Modelling of Applied Magnetic Field and Thermal Radiations Due to the Stretching of Cylinder

  • Muhammad Tamoor,
  • Muhammad Kamran,
  • Sadique Rehman,
  • Aamir Farooq,
  • Rewayat Khan,
  • Jung Rye Lee and
  • Dong Yun Shin

21 June 2021

In this study, a numerical approach was adopted in order to explore the analysis of magneto fluid in the presence of thermal radiation combined with mixed convective and slip conditions. Using the similarity transformation, the axisymmetric three-dim...

  • Article
  • Open Access
20 Citations
5,514 Views
12 Pages

21 June 2021

This paper presents an alternative way to maximize the utilization of palm waste by implementing a green approach to modify lignocellulosic materials into a highly crystalline biographite. A bio-graphite structure was successfully synthesized by conv...

  • Article
  • Open Access
14 Citations
4,179 Views
19 Pages

21 June 2021

Industries have to integrate environmental, social, and economic aspects into their supply chain management to achieve sustainability. Hence, the industry needs to take appropriate actions in choosing the right suppliers. The aim of this study is to...

  • Article
  • Open Access
5 Citations
5,459 Views
11 Pages

Understanding the Evolution and Applications of Intelligent Systems via a Tri-X Intelligence (TI) Model

  • Min Zhao,
  • Zhenbo Ning,
  • Baicun Wang,
  • Chen Peng,
  • Xingyu Li and
  • Sihan Huang

21 June 2021

The evolution and application of intelligence have been discussed from perspectives of life, control theory and artificial intelligence. However, there has been no consensus on understanding the evolution of intelligence. In this study, we propose a...

  • Feature Paper
  • Article
  • Open Access
6 Citations
16,060 Views
22 Pages

Modelling and Multi-Objective Optimization of the Sulphur Dioxide Oxidation Process

  • Mohammad Reza Zaker,
  • Clémence Fauteux-Lefebvre and
  • Jules Thibault

20 June 2021

Sulphuric acid (H2SO4) is one of the most produced chemicals in the world. The critical step of the sulphuric acid production is the oxidation of sulphur dioxide (SO2) to sulphur trioxide (SO3) which takes place in a multi catalytic bed reactor. In t...

  • Feature Paper
  • Article
  • Open Access
9 Citations
2,613 Views
10 Pages

Influence of Physicochemical Properties and Parent Material on Chromium Fractionation in Soils

  • Claudia Campillo-Cora,
  • Laura Rodríguez-González,
  • Manuel Arias-Estévez,
  • David Fernández-Calviño and
  • Diego Soto-Gómez

20 June 2021

Chromium is an element that possess several oxidation states and can easily pass from one to another, so its behavior in soils is very complex. For this reason, determining its fate in the environment can be difficult. In this research work we tried...

  • Feature Paper
  • Article
  • Open Access
1 Citations
3,076 Views
19 Pages

Backstepping Methodology to Troubleshoot Plant-Wide Batch Processes in Data-Rich Industrial Environments

  • Federico Zuecco,
  • Matteo Cicciotti,
  • Pierantonio Facco,
  • Fabrizio Bezzo and
  • Massimiliano Barolo

20 June 2021

Troubleshooting batch processes at a plant-wide level requires first finding the unit causing the fault, and then understanding why the fault occurs in that unit. Whereas in the literature case studies discussing the latter issue abound, little atten...

  • Review
  • Open Access
68 Citations
30,661 Views
17 Pages

Guava (Psidium guajava L.) Fruit and Valorization of Industrialization By-Products

  • Jorge E. Angulo-López,
  • Adriana C. Flores-Gallegos,
  • Cristian Torres-León,
  • Karen N. Ramírez-Guzmán,
  • Gloria A. Martínez and
  • Cristóbal N. Aguilar

20 June 2021

Guava (Psidium guajava L.), is a fruit considered native to the American tropics. It is of great economic importance in many countries of the world, due to its high production and diversity of products derived from its fruit. It can be consumed fresh...

  • Article
  • Open Access
12 Citations
4,111 Views
17 Pages

19 June 2021

In the process of the exploitation of deep oil and gas resources, shale wellbore stability control faces great challenges under complex temperature and pressure conditions. It is difficult to reflect the micro mechanism and process of the action of i...

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Processes - ISSN 2227-9717