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Applied Sciences, Volume 14, Issue 20

October-2 2024 - 464 articles

Cover Story: Biodegradable organic waste offers significant opportunities for resource recovery within the frame of the circular economy. In this work, the effects of carbon-encapsulated iron nanoparticles and ozone pre-treatments in the mesophilic methanogenic stage of a temperature-phased anaerobic digestion have been studied using biochemical methanogenic potential (BMP) tests and modeling simulation. To undertake this, digestates from a pre-treated thermophilic acidogenic reactor that co-digested sludge and wine vinasse were used. The addition of nanoparticles favored the removal of particulate matter, which increased by 9% and 6% in terms of total solids and volatile solids, respectively. When combined with ozone pre-treatment, these increases were 27% and 24%, respectively, demonstrating an enhanced AD efficiency. View this paper
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Articles (464)

  • Feature Paper
  • Article
  • Open Access
4 Citations
3,895 Views
15 Pages

21 October 2024

In this work, multiwalled carbon nanotubes (MWCNTs) were melt-compounded into a novel thermal energy storage system consisting of a microencapsulated paraffin, with a melting temperature of 6 °C (M6D), dispersed within a flexible thermoplastic po...

  • Article
  • Open Access
1 Citations
2,488 Views
13 Pages

21 October 2024

Agastache rugosa is also known as Korean mint, and it has numerous health benefits due to its rich source of phenolic compounds. The main objective of this study was to produce a ZmLC-overexpressing transgenic hairy root line via Agrobacterium rhizog...

  • Article
  • Open Access
7 Citations
1,942 Views
15 Pages

21 October 2024

Aluminium metal matrix composites are widely used in automotive, aerospace, marine, and structural engineering due to their high strength-to-weight ratio and superior mechanical properties. Optimizing friction stir process parameters is critical to e...

  • Article
  • Open Access
1,567 Views
18 Pages

21 October 2024

The western mining regions of China, known for shallow-buried and high-intensity mining activities, face significant ecological threats due to damage to loose strata and the surface. The evolution of fissures within the loose layer is a critical issu...

  • Article
  • Open Access
6 Citations
2,843 Views
10 Pages

In Vitro Antitumor, Antioxidant, and Hemolytic Activities of Chlorella sorokiniana Methanol Extracts and Collective Fractions

  • Maribel Domínguez-Gámez,
  • César I. Romo-Sáenz,
  • Ricardo Gomez-Flores,
  • Guadalupe González-Ochoa,
  • Andrés García-Romero,
  • Alonso A. Orozco-Flores,
  • Cristina Rodríguez-Padilla and
  • Patricia Tamez-Guerra

21 October 2024

Chlorella species are fast-growing microalgae with significant industrial applications. The aim of the present study was to investigate the antitumor, antioxidant, and hemolytic activities of Chlorella sorokiniana UTEX 1230 crude methanol extracts an...

  • Article
  • Open Access
1,416 Views
18 Pages

Equivalent Simulation Study of Delta-Rotor Engine

  • Yaoyao Shi,
  • Liangyu Li,
  • Ye Tian and
  • Run Zou

21 October 2024

The mechanical structure, movement mode, and combustion process of a triangular rotor engine differ from those of a conventional engine with a crank connecting rod mechanism as the core. This makes it impossible to directly use existing simulation so...

  • Article
  • Open Access
2,089 Views
19 Pages

21 October 2024

The fatigue crack growth properties of G20Mn5QT cast steel and corresponding butt welds, using compact tension specimens, were monitored and investigated via acoustic emission (AE) techniques. Fatigue crack growth is a combination of cyclic plastic d...

  • Article
  • Open Access
10 Citations
2,630 Views
46 Pages

An Efficient and Fast Hybrid GWO-JAYA Algorithm for Design Optimization

  • Chiara Furio,
  • Luciano Lamberti and
  • Catalin I. Pruncu

21 October 2024

Metaheuristic algorithms (MHAs) are widely used in engineering applications in view of their global optimization capability. Researchers continuously develop new MHAs trying to improve the computational efficiency of optimization search. However, mos...

  • Article
  • Open Access
4 Citations
1,436 Views
19 Pages

21 October 2024

Shallow coal seam mining results in the formation of various bearing structures in key strata, leading to varying degrees of surface subsidence and severe disruption to the surface ecological environment. To investigate the coupled evolution characte...

  • Communication
  • Open Access
2 Citations
1,616 Views
11 Pages

21 October 2024

The rapid development of Artificial General Intelligence (AGI) in recent years has provided many new opportunities and challenges for human social production. However, recent evaluation methods have some problems with regard to consistency, subjectiv...

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Appl. Sci. - ISSN 2076-3417