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Clean Technologies, Volume 6, Issue 4

2024 December - 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
2,595 Views
24 Pages

Enhancing Environmental Performance: A Method for Identifying and Prioritizing Key Environmental Issues in Industry

  • Dellise Marie,
  • Jonathan Villot,
  • Rodolphe Gaucher,
  • Anne Amardeil and
  • Valérie Laforest

13 December 2024

BAT-based regulations necessitate defining key environmental issues (KEIs) to focus data collection and discussions on the main topics when establishing best available techniques (BATs) at the sector level. However, Article 14 of the Industrial Emiss...

  • Article
  • Open Access
1 Citations
3,200 Views
28 Pages

12 December 2024

This research study addresses the challenges of extended charging times and limited ranges in electric vehicles by conducting a techno-economic analysis of integrating renewable energy technologies—solar modules, wind turbines, and piezoelectri...

  • Article
  • Open Access
2 Citations
1,986 Views
15 Pages

Application of Carboxymethyl Cellulose (CMC)-Coated Nanoscale Zero-Valent Iron in Chromium-Containing Soil Remediation

  • Bo Zhang,
  • Jiani Zhan,
  • Jiaqi Fan,
  • Bohong Zhu,
  • Weili Shen,
  • Shiwei Zhang,
  • Weiting Li,
  • Zhaohui Li and
  • Fanjun Zeng

11 December 2024

Nanofine zero−valent iron (nZVI) is a new, eco−friendly material with strong reducing and adsorbent properties that can be used to clean up heavy metal−affected soils. Herein, nZVI encapsulated with carboxymethyl cellulose (CMC&minu...

  • Article
  • Open Access
3 Citations
2,039 Views
16 Pages

Energy Recovery from Cannabis Residues by Combustion with and Without Steam Explosion Pretreatment in Different Air Coefficients

  • Rafael Eloy de Souza,
  • Eduardo Lins de Barros Neto,
  • Jean-Michel Lavoie and
  • Bruna Rego de Vasconcelos

2 December 2024

Alternative options have been studied to mitigate the negative impact of fossil fuel sources, mainly especially when it comes to alternative energy sources. In this work, cannabis residues have been considered as a potential biomass residues for ener...

  • Article
  • Open Access
1 Citations
1,377 Views
15 Pages

Carbon-Dioxide-Assisted Gasification of Sunflower Husk: An Impact of Iron, Nickel, or Cobalt Addition

  • Artem A. Medvedev,
  • Daria A. Beldova,
  • Leonid M. Kustov,
  • Mikhail Yu. Mashkin,
  • Svetlana B. Polikarpova,
  • Valentina Z. Dobrokhotova,
  • Elena V. Murashova,
  • Marina A. Tedeeva,
  • Pavel V. Sokolovskiy and
  • Alexander L. Kustov

29 November 2024

While the attempts to find new energy sources have intensified, the interest in the use of biomass as a carbon-rich raw material still is increasing. In this work, we studied iron-, cobalt-, and nickel-based materials in the process of CO2-assisted g...

  • Article
  • Open Access
2 Citations
1,778 Views
14 Pages

21 November 2024

Enhancing the eco-efficiency of municipal solid waste (MSW) services is pivotal for the shift toward a circular economy. Although the Data Envelopment Analysis (DEA) method is widely used, it is susceptible to overfitting, potentially distorting eco-...

  • Article
  • Open Access
3 Citations
4,493 Views
28 Pages

Hybrid Electrocoagulation–Adsorption Process for Montelukast Sodium Removal from Water

  • Sayedali Mirkhalafi,
  • Khalid S. Hashim,
  • Osamah Al-Hashimi and
  • Ali Majdi

20 November 2024

This study addresses the significant environmental challenge of pharmaceutical pollutants by demonstrating the effectiveness of a hybrid electrocoagulation–adsorption (EC-A) technique for removing Montelukast Sodium (MS) from contaminated water...

  • Article
  • Open Access
6 Citations
2,734 Views
18 Pages

Aeration Optimization for the Biodrying of Market Waste Using Negative Ventilation: A Lysimeter Study

  • Ye Nyi Nyi Lwin,
  • Abhisit Bhatsada,
  • Sirintornthep Towprayoon,
  • Suthum Patumsawad,
  • Noppharit Sutthasil and
  • Komsilp Wangyao

20 November 2024

This study investigates the optimization of aeration rates for the biodrying of market waste using negative-pressure ventilation. Market waste, characterized by a high moisture content (MC) and rapid decomposition, presents challenges in waste manage...

  • Article
  • Open Access
4 Citations
5,778 Views
15 Pages

4 November 2024

The growing adoption of lithium iron phosphate (LiFePO4) batteries in electric vehicles (EVs) and renewable energy systems has intensified the need for sustainable management at the end of their life cycle. This study introduces an innovative method...

  • Article
  • Open Access
2 Citations
1,882 Views
24 Pages

Research on Hybrid Heating System in Cold Oilfield Regions

  • Meng Xu,
  • Zhiyang Xu,
  • Xinxin Wei,
  • Gaoxiang Zhang and
  • Changyu Liu

2 November 2024

Efficient and clean treatment of wastewater and energy recovery and utilization are important links to realize low-carbon development of oilfields. Therefore, this paper innovatively proposes a multi-energy complementary co-production heating system...

  • Article
  • Open Access
4 Citations
8,791 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
3 Citations
2,185 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
2,484 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
1,639 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
3,235 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
9 Citations
5,679 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
3 Citations
1,912 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
3,006 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