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Clean Technologies, Volume 6, Issue 4

December 2024 - 18 articles

Cover Story: This study introduces an innovative method for recycling lithium from spent LiFePO4 batteries and repurposing the recovered lithium carbonate (Li2CO3) as a carbon dioxide (CO2) absorber. The recycling process involves dismantling the battery packs, separating the active materials, and chemically treating the cathode to extract lithium ions, producing Li2CO3. Once recovered, Li2CO3 can be utilized for capturing CO2 in hydrogen purification processes, reacting with CO2 to form lithium bicarbonate (LiHCO3). The LiHCO3 can then be thermally decomposed to regenerate Li2CO3, ensuring the cyclic and sustainable use of the material. This dual-purpose process not only addresses the environmental impact of LiFePO4 battery disposal but also contributes to CO2 reduction. Utilizing recycled Li2CO3 decreases the demand for virgin lithium extraction, supporting a circular economy. View this paper
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Articles (18)

  • Article
  • Open Access
3 Citations
8,539 Views
15 Pages

1 November 2024

Environmental protection and greenhouse gas (GHG) emissions are getting increasingly high priority in the area of mobility. Several regulations, goals and projects have been published in recent years that clearly encourage the reduction of carbon dio...

  • Article
  • Open Access
1 Citations
2,149 Views
20 Pages

23 October 2024

Glycerol, a byproduct of biodiesel, has moderate energy but high viscosity, making clean combustion challenging. Quickly evaporating fine fuel sprays mix well with air and burn cleanly and efficiently. Unlike conventional air-blast atomizers discharg...

  • Article
  • Open Access
1 Citations
2,373 Views
14 Pages

20 October 2024

China prioritizes ensuring drinking water safety, particularly in the water-scarce northwest region. This study, utilizing water quality data from 52 village and town water sources since August 2022, assesses water quality, with a specific focus on k...

  • Article
  • Open Access
1,577 Views
24 Pages

Reducing Energy Consumption Using DOE and SPC on Cork Agglomeration Line

  • Hugo Silva,
  • André S. Santos and
  • Leonilde R. Varela

18 October 2024

The industrial landscape has revealed two trends: increased competitiveness and a greater demand for sustainable solutions. Materials with cork in their composition are an appealing solution, since they guarantee the desired mechanical characteristic...

  • Article
  • Open Access
3,116 Views
18 Pages

Metal Oxalates as a CO2 Solid State Reservoir: The Carbon Capture Reaction

  • Linda Pastero,
  • Vittorio Barella,
  • Enrico Allais,
  • Marco Pazzi,
  • Fabrizio Sordello,
  • Quentin Wehrung and
  • Alessandro Pavese

14 October 2024

To maintain the carbon dioxide concentration below the no-return threshold for climate change, we must consider the reduction in anthropic emissions coupled to carbon capture methods applied in synergy. In our recent papers, we proposed a green and r...

  • Article
  • Open Access
7 Citations
5,497 Views
32 Pages

Techno-Economic Feasibility Analysis of Post-Combustion Carbon Capture in an NGCC Power Plant in Uzbekistan

  • Azizbek Kamolov,
  • Zafar Turakulov,
  • Patrik Furda,
  • Miroslav Variny,
  • Adham Norkobilov and
  • Marcos Fallanza

10 October 2024

As natural gas-fired combined cycle (NGCC) power plants continue to constitute a crucial part of the global energy landscape, their carbon dioxide (CO2) emissions pose a significant challenge to climate goals. This paper evaluates the feasibility of...

  • Article
  • Open Access
2 Citations
1,851 Views
17 Pages

Mechanisms of Water Pollutant Degradation under Electric Discharge Generated in a Cavitating Flow

  • Anna Kamler,
  • Vadim Bayazitov,
  • Madina Sozarukova,
  • Roman Nikonov,
  • Igor Fedulov,
  • Giancarlo Cravotto and
  • Irina Abramova

10 October 2024

With the aim of developing an innovative water treatment approach for developing countries in the Global South, we have applied the method of treating a cavitating water stream with a plasma discharge under real conditions. To this end, we have optim...

  • Article
  • Open Access
1 Citations
2,943 Views
14 Pages

Use of Vegetable Waste for New Ecological Methods in Wool Fibre Treatments

  • Simona Gavrilaș,
  • Mihaela Dochia,
  • Andreea-Raluca Sărsan,
  • Bianca-Denisa Chereji and
  • Florentina-Daniela Munteanu

1 October 2024

In this current research, various amino acids (lysine, betaine, and cysteine) and peptides (oxidised or reduced glutathione) were considered as potential environmentally friendly alternatives to wool bleaching. A greener methodology was also applied...

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Clean Technol. - ISSN 2571-8797