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Clean Technologies, Volume 5, Issue 1

2023 March - 22 articles

Cover Story: Membrane-based operations are useful approaches for the recovery of water and primary resources from exhaust baths of beam house, tanning and post-tanning operations in the leather industry. Their integration with conventional physico-chemical and biological treatments also provide useful protocols for the treatment of global wastewaters with a significant reduction in organic compounds and the removal of refractory inorganic compounds. The global findings clearly highlight that these processes can play a key role in redesigning the conventional production cycle of the leather industry within the logics of the process intensification, zero-discharge and circular economy strategies. View this paper
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Articles (22)

  • Article
  • Open Access
10 Citations
4,189 Views
15 Pages

Public Acceptance and Willingness to Pay for Carbon Capture and Utilisation Products

  • Tryfonas Pieri,
  • Alexandros Nikitas and
  • Athanasios Angelis-Dimakis

Although the significance of the social science agenda reflecting and affecting the carbon capture and utilisation (CCU) value chain has been acknowledged, there is still a scarcity of research about it. This work contributes in developing an underst...

  • Article
  • Open Access
3,425 Views
18 Pages

Unsupervised Machine Learning to Detect Impending Anomalies in Testing of Fuel Economy and Emissions of Light-Duty Vehicles

  • Dhan Lord B. Fortela,
  • Ashton C. Fremin,
  • Wayne Sharp,
  • Ashley P. Mikolajczyk,
  • Emmanuel Revellame,
  • William Holmes,
  • Rafael Hernandez and
  • Mark Zappi

This work focused on demonstrating the capability of unsupervised machine learning techniques in detecting impending anomalies by extracting hidden trends in the datasets of fuel economy and emissions of light-duty vehicles (LDVs), which consist of c...

  • Article
  • Open Access
33 Citations
3,530 Views
15 Pages

Carbon dioxide (CO2) adsorption on decorated graphene (GR) sheets with transition metals (TMs) including iron, nickel and zinc was investigated for removing this hazardous gas from the environment. TM-doped GR results in higher activity toward gas de...

  • Review
  • Open Access
36 Citations
10,430 Views
51 Pages

Arsenic Removal by Adsorbents from Water for Small Communities’ Decentralized Systems: Performance, Characterization, and Effective Parameters

  • Roya Sadat Neisan,
  • Noori M. Cata Saady,
  • Carlos Bazan,
  • Sohrab Zendehboudi,
  • Abbas Al-nayili,
  • Bassim Abbassi and
  • Pritha Chatterjee

Arsenic (As), a poisonous and carcinogenic heavy metal, affects human health and the environment. Numerous technologies can remove As from drinking water. Adsorption is the most appealing option for decentralized water treatment systems (DWTS) for sm...

  • Feature Paper
  • Article
  • Open Access
9 Citations
3,750 Views
23 Pages

Model-Based Predictive Control of a Solar Hybrid Thermochemical Reactor for High-Temperature Steam Gasification of Biomass

  • Youssef Karout,
  • Axel Curcio,
  • Julien Eynard,
  • Stéphane Thil,
  • Sylvain Rodat,
  • Stéphane Abanades,
  • Valéry Vuillerme and
  • Stéphane Grieu

The present paper deals with both the modeling and the dynamic control of a solar hybrid thermochemical reactor designed to produce syngas through the high-temperature steam gasification of biomass. First, a model of the reactor based on the thermody...

  • Article
  • Open Access
8 Citations
4,134 Views
32 Pages

Design-Based Approach to Support Sorting Behavior of Food Packaging

  • Babak Nemat,
  • Mohammad Razzaghi,
  • Kim Bolton and
  • Kamran Rousta

28 February 2023

It is widely acknowledged that environmental impacts from packaging waste depend on how consumers sort this waste fraction. In this research, “design for sustainable behavior” (DfSB) strategies are used to improve a cream packaging design...

  • Review
  • Open Access
14 Citations
4,518 Views
23 Pages

16 February 2023

The leather industry is characterized by the production of a huge amount of wastewater with a high organic/inorganic charge, causing widespread water and soil pollution. Pressure-driven membrane operations and membrane bioreactors have long been prov...

  • Article
  • Open Access
13 Citations
4,297 Views
15 Pages

Rheological Behavior and Characterization of Drinking Water Treatment Sludge from Morocco

  • Fantasse Azeddine,
  • Parra Angarita Sergio,
  • Léonard Angélique,
  • Lakhal El Khadir,
  • Idlimam Ali and
  • Bougayr El Houssayne

16 February 2023

Drinking water treatment generates a high amount of pasty by-product known as drinking water treatment sludge (DWTS). The chemical composition, microstructure and rheological behavior of DWTS are of utmost importance in the calculation, design, optim...

  • Article
  • Open Access
11 Citations
4,001 Views
26 Pages

8 February 2023

The valorization of bio-waste as a resource for green energy production will be beneficial at a social, economic, and environmental level in different regions. The scope of this research is to develop the energetic valorization of the bio-waste fract...

  • Article
  • Open Access
10 Citations
7,047 Views
18 Pages

6 February 2023

The study concerns promising coal-fired power plants that can gain an advantage over traditional options in the context of decarbonization. The calculations show that combined-cycle plants with integrated coal gasification and carbon dioxide recircul...

  • Article
  • Open Access
7 Citations
3,872 Views
12 Pages

3 February 2023

Many technologies for the treatment of arsenic-containing drinking water are available, but most of them are more effective on arsenic oxidized forms. Therefore, the pre-oxidation of As3+ is necessary. The electrochemical processes represent a very p...

  • Article
  • Open Access
6 Citations
3,411 Views
13 Pages

Influence of the Presence of Poly(butylene succinate) in the Poly(ethylene terephthalate) Recycling Process

  • Cristina Pavon,
  • Miguel Aldas,
  • David Bertomeu,
  • Harrison de la Rosa-Ramírez,
  • María Dolores Samper and
  • Juan López-Martínez

31 January 2023

Poly(butylene succinate) (PBS) is one of the contaminants in the Poly(ethylene terephthalate) (PET) recycling process. It is known that high contents of PBS in PET significantly reduce PET properties, but the effect of low contents on PET has yet to...

  • Systematic Review
  • Open Access
2 Citations
4,666 Views
23 Pages

A Literature Review on Existing Methods and Indicators for Evaluating the Efficiency of Power-to-X Processes

  • Natascha Eggers,
  • Torsten Birth,
  • Bernd Sankol,
  • Lukas Kerpen and
  • Antonio Hurtado

31 January 2023

The challenges posed by climate change have prompted significant growth in efficiency evaluation and optimization research, especially in recent years. This has spawned a variety of heterogeneous methods and approaches to the assessment of technical...

  • Review
  • Open Access
70 Citations
28,529 Views
27 Pages

20 January 2023

The linkage between metal nodes and organic linkers has led to the development of new porous crystalline materials called metal–organic frameworks (MOFs). These have found significant potential applications in different areas such as gas storag...

  • Review
  • Open Access
52 Citations
7,602 Views
21 Pages

11 January 2023

The refrigeration industry is an energy-intensive sector. Increasing the efficiency of industrial refrigeration systems is crucial for reducing production costs and minimizing CO2 emissions. Optimization of refrigeration systems is often a complex an...

  • Article
  • Open Access
5 Citations
7,589 Views
22 Pages

An Enhanced Piezoelectric-Generated Power Technique for Qi Wireless Charging

  • Wafa Elmannai,
  • Khaled Elleithy,
  • Andrew Anthony Benz,
  • Alberto Carmine DeAngelis and
  • Nick Weaver

This paper aims to design and implement a robust wireless charging system that utilizes affordable materials and the principle of piezoelectricity to generate clean energy to allow the user to store the energy for later use. A wireless charging syste...

  • Article
  • Open Access
39 Citations
8,559 Views
20 Pages

Functional and Environmental Performances of Novel Electrolytic Membranes for PEM Fuel Cells: A Lab-Scale Case Study

  • Matteo Di Virgilio,
  • Andrea Basso Peressut,
  • Valeria Arosio,
  • Alessandro Arrigoni,
  • Saverio Latorrata and
  • Giovanni Dotelli

Despite being the most employed polymer electrolyte for proton exchange membrane fuel cells (PEMFCs), Nafion® has several limitations: expensiveness, poor performance when exposed to temperatures higher than 80 °C, and its potential as a sour...

  • Article
  • Open Access
8 Citations
5,899 Views
23 Pages

The aim of this study is to analyze the feasibility of the single-effect H2O/LiBr absorption heat pump cycle to produce combined heating and cooling. To achieve this, first, the main changes that the absorption cycle requires are described in compari...

  • Article
  • Open Access
2,690 Views
13 Pages

Using Self-Organizing Map Algorithm to Reveal Stabilities of Parameter Sensitivity Rankings in Microbial Kinetic Models: A Case for Microalgae

  • Dhan Lord B. Fortela,
  • Alyssa M. DeLattre,
  • Wayne W. Sharp,
  • Emmanuel D. Revellame and
  • Mark E. Zappi

Microalgae are multi-purpose microbial agents due to their capability to efficiently sequester carbon dioxide and produce valuable biomass such as protein and single-cell oils. Formulation and tuning of microalgae kinetics models can significantly co...

  • Article
  • Open Access
10 Citations
4,616 Views
13 Pages

EV development is being prioritized in order to attain the target of net zero emissions by 2050. Electric vehicles have the potential to decrease greenhouse gas (GHG) emissions, which contribute to global warming. The driving range of electric vehicl...

  • Review
  • Open Access
16 Citations
8,143 Views
24 Pages

CO2-Selective Capture from Light Hydrocarbon Mixtures by Metal-Organic Frameworks: A Review

  • Hengcong Huang,
  • Luyao Wang,
  • Xiaoyu Zhang,
  • Hongshuo Zhao and
  • Yifan Gu

CO2 represents a typical impurity in light hydrocarbon feedstocks, which affects the quality of subsequent chemical products. Owing to their highly similar nature, industrial separation requires large amounts of energy. Adsorptive gas separation base...

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Clean Technol. - ISSN 2571-8797