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Processes, Volume 9, Issue 10

October 2021 - 171 articles

Cover Story: Whey is a primary by-product of dairy plants, and one that is often difficult to manage. One possible solution to this problem is using advanced and efficient digesters. The aim of this study was to present an innovative multisection hybrid anaerobic bioreactor (M-SHAR) design and to identify how microwave radiation heating (MRH) affects methane fermentation of liquid dairy waste (LDW) primarily composed of acid whey. The direction of the research is important because the effect of microwave radiation on biochemical processes has not yet been fully explored. The MRH reactor was found to perform better in terms of COD removal and biogas production compared with the convection-heated reactor. The present study indicates that MRH improves the stability and efficiency of methane fermentation at higher organic load rates. View this paper
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Articles (171)

  • Feature Paper
  • Article
  • Open Access
25 Citations
6,864 Views
17 Pages

Influence of the Lamination Process on the Wetting Behavior and the Wetting Rate of Lithium-Ion Batteries

  • Nicolaj Kaden,
  • Nicolas Schlüter,
  • Ruben Leithoff,
  • Sinan Savas,
  • Simon Grundmeier and
  • Klaus Dröder

19 October 2021

In lithium-ion battery manufacturing, wetting of active materials is a time-critical process. Consequently, the impact of possible process chain extensions such as lamination needs to be explored to potentially improve the efficiency of the electrode...

  • Feature Paper
  • Article
  • Open Access
13 Citations
3,252 Views
16 Pages

Relevance of Particle Size Distribution to Kinetic Analysis: The Case of Thermal Dehydroxylation of Kaolinite

  • Juan Arcenegui-Troya,
  • Pedro E. Sánchez-Jiménez,
  • Antonio Perejón and
  • Luis A. Pérez-Maqueda

19 October 2021

Kinetic models used for the kinetic analysis of solid-state reactions assume ideal conditions that are very rarely fulfilled by real processes. One of the assumptions of these ideal models is that all sample particles have an identical size, while mo...

  • Article
  • Open Access
24 Citations
6,309 Views
10 Pages

19 October 2021

This paper presents the application of Taguchi design of experiment and Autodesk Moldflow® simulation in finding the optimal processing parameters for the manufacturing of natural fiber–polymer composite products. The material used in the study is a...

  • Article
  • Open Access
4 Citations
3,147 Views
14 Pages

Energy Flexibility Chances for the Wastewater Treatment Plant of the Benchmark Simulation Model 1

  • George Skouteris,
  • Mario Alejandro Parra Ramirez,
  • Sebastian Felix Reinecke and
  • Uwe Hampel

19 October 2021

Future energy systems must mainly generate electricity from renewable resources. To deal with the fluctuating availability of wind and solar power, new versatile electricity markets and sustainable solutions concentrating on energy flexibility are ne...

  • Article
  • Open Access
4 Citations
3,543 Views
28 Pages

19 October 2021

Applications of dual-evaporator refrigeration systems have recently gained much attention both in academia and industry due to their multiple benefits. In this study, a comprehensive thermodynamic and economic analysis is conducted to evaluate the po...

  • Article
  • Open Access
2 Citations
2,746 Views
21 Pages

19 October 2021

This paper presents an algorithm for efficient uncertainty quantification (UQ) in the presence of many uncertainties that follow a nonstandard distribution (e.g., lognormal). Using the polynomial chaos expansion (PCE), the algorithm builds surrogate...

  • Article
  • Open Access
3 Citations
2,181 Views
11 Pages

Interfacial Microstructure Analysis of AZ31 Magnesium Alloy during Plastic Deformation Bonding

  • Limei Ren,
  • Bei Li,
  • Zhaoxiang Chen,
  • Shan Gao,
  • Yongqiang Quan and
  • Lihe Qian

19 October 2021

In this study, a plastic deformation process consisting of hot compression at 350 °C and heat treatment at 400 °C was performed to bond AZ31 magnesium alloy. Microstructural evolution around the bonding interface was systematically characterized to i...

  • Article
  • Open Access
10 Citations
2,604 Views
12 Pages

19 October 2021

Graphite/polymer composites are brittle materials that are prone to producing cracks and concavities on machined surfaces, and their surface quality shows greater randomness. This work aims to overcome the large fluctuations in the machined surface q...

  • Feature Paper
  • Review
  • Open Access
27 Citations
10,820 Views
21 Pages

Distribution of Sulfate-Reducing Bacteria in the Environment: Cryopreservation Techniques and Their Potential Storage Application

  • Ivan Kushkevych,
  • Aneta Kovářová,
  • Dani Dordevic,
  • Jonah Gaine,
  • Peter Kollar,
  • Monika Vítězová and
  • Simon K.-M. R. Rittmann

18 October 2021

Sulfate-reducing bacteria (SRB) are a heterogeneous group of anaerobic microorganisms that play an important role in producing hydrogen sulfide not only in the natural environment, but also in the gastrointestinal tract and oral cavity of animals and...

  • Feature Paper
  • Review
  • Open Access
54 Citations
13,886 Views
15 Pages

18 October 2021

Organic waste generation, collection, and management have become a crucial problem in modern and developing societies. Among the technologies proposed in a circular economy and sustainability framework, composting has reached a strong relevance in te...

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Processes - ISSN 2227-9717