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Clean Technologies, Volume 4, Issue 3

September 2022 - 19 articles

Cover Story: A new microalga, Scenedesmus rotundus-MG910488 isolate of Central India (Jabalpur, Madhya Pradesh, India), was used as an experimental organism for biodiesel production in this study. The strain is thoroughly characterized for growth and lipid content, which possess 33.30 ± 1.21% lipid content on dry cell weight in BG-11 medium, without optimizing any biotic or abiotic conditions. The biodiesel produced from obtained lipids was qualitatively estimated by gas chromatography-mass spectroscopy (GC-MS), nuclear magnetic resonance (1H, 13C NMR) and Fourier transform-infrared spectroscopy (FT-IR), which indicate the presence of oleic acid methyl ester, linoleic acid methyl ester and palmitic acid methyl ester as the leading fatty acid methyl esters (FAME) in the samples, thus, making this strain an ideal feedstock for biodiesel production. View this paper
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Articles (19)

  • Article
  • Open Access
23 Citations
8,053 Views
28 Pages

7 September 2022

Circular economy (CE) for water aims to maximise value derived from water, processes, and practices. As a result, the recovery of wastewater and renewable water resources is used to offset the exploitation and impact of abstracting new water resource...

  • Article
  • Open Access
13 Citations
5,430 Views
11 Pages

Production and Characterization of Biochar from Almond Shells

  • Hamed M. El Mashad,
  • Abdolhossein Edalati,
  • Ruihong Zhang and
  • Bryan M. Jenkins

2 September 2022

Biomass from specialty crops, including almonds, walnuts, and numerous others, serves as an important resource for energy and materials as agricultural systems evolve towards greater sustainability and circularity in management and operations. Biocha...

  • Article
  • Open Access
8 Citations
4,717 Views
13 Pages

1 September 2022

Sewage sludge (SS) from urban wastewater treatment is still an environmental, economic, and social problem. Current SS management is not consensual, and more alternatives are required to recover some valuable compounds, such as nutrients and organic...

  • Article
  • Open Access
2 Citations
2,757 Views
17 Pages

Population growth and the associated increase in the use of Onsite Wastewater Treatment Systems (OWTS) in the Black Hills have been a reason for interest in nitrate contamination within the public water supply over the past few years. The main concer...

  • Article
  • Open Access
3,495 Views
9 Pages

Characterizing the refrigerant side of heat pump water heaters (HPWHs) can be intrusive and expensive. On the other hand, direct external measurement techniques can be unfeasible, particularly in commercial HPWHs for residential applications. Non-int...

  • Article
  • Open Access
9 Citations
3,485 Views
9 Pages

H2 is a low-impact energy carrier, which the EU hydrogen strategy has positioned as a major component of energy policy. Dark fermentation by psychrophilic bacteria is a promising avenue of H2 production, though one that requires further study. The ai...

  • Article
  • Open Access
7 Citations
4,578 Views
21 Pages

Human Exposure Influence Analysis for Wireless Electric Vehicle Battery Charging

  • Adel El-Shahat,
  • Joshua Danjuma,
  • Almoataz Y. Abdelaziz and
  • Shady H. E. Abdel Aleem

Wireless charging schemes aim to counter some drawbacks of electric vehicles’ wired charging, such as the fact that it does not encourage mobility, leads to safety issues regarding high voltage cables, power adapters high cost, and has more bat...

  • Article
  • Open Access
4 Citations
3,495 Views
15 Pages

Ammoniacal nitrogen (N-NH3) is one of the pollutants that has adverse effects on the environment and is present in most effluents generated by mining operations. Therefore, mining companies must manage it to keep it below the regulated discharge crit...

  • Review
  • Open Access
106 Citations
18,156 Views
18 Pages

Floating Photovoltaics: A Review

  • Laura Essak and
  • Aritra Ghosh

The world is transitioning towards a net zero emissions future and solar energy is at the forefront of the transition. The land use requirements to install solar farms present a barrier for the industry as population density increases and land prices...

  • Article
  • Open Access
4 Citations
4,430 Views
19 Pages

The microalga Scenedesmus rotundus, isolated from Jabalpur, Madhya Pradesh, India was designated as Scenedesmus rotundus-MG910488 after morphological and molecular identification. In this study, the effects of various autotrophic growth media on the...

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Clean Technol. - ISSN 2571-8797