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Advance Technology for Treatment and Recycling of Electrolyte and Organic Matters from Spent Lithium-ion Battery Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-03-16 Jie Yu, Kai Huang, Jie Zheng, Lingen Zhang
Most studies nowadays focus on the recovery of precious metals in cathode from spent lithium-ion batteries (LIBs), neglecting the recycling of electrolyte and organic matters. The electrolyte and organic matters from spent LIBs can be converted into resources through component separation and regeneration, which brings certain economic benefits. In this review, the domestic and foreign pretreatment
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Sustainable Recovery of Metals from E-Waste Using Deep Eutectic Solvents: Advances, Challenges, and Perspectives Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-03-15 Mengwei Guo, Rongrong Deng, Mingyuan Gao, Cunying Xu, Qibo Zhang
The increasing emission of electronic waste (e-waste) accelerates the depletion of natural metal resources and raises growing concerns for human health and environmental sustainability. Herein, the valuable metal recovery driven by the development of a circular economy has increasingly become a focal point in research. Recovering metals from e-waste can rationally allocate resources and significantly
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Thermochemical transformation OF CO2 into high-value products Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-03-15 Talita Nimmas, Suwimol Wongsakulphasatch, Merika Chanthanumataporn, Treerat Vacharanukrauh, Suttichai Assabumrungrat
The significant increase of carbon dioxide (CO) concentration in the atmosphere is anticipated to contribute to global warming and climate instability. Reducing CO emission has been set as the goals of numerous recent international initiatives. CO conversion into high-value products, including fuel, fuel-chemicals, and building materials, has attracted great attention as it can provide a sustainable
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Meat by-products as a source of bioactive peptides and functional ingredients: Regulatory and safety barriers to valorization Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-03-13 Mohammed Gagaoua, Arun K. Das, Yu Fu, Amira Leila Dib, Pramod Kumar Nanda
Proposals for sustainable use of meat industry waste and by-products have seen a remarkable growth in recent decade. This paper aims to shed light on the often-overlooked realm of meat by-products, positioning them as an invaluable source of bioactive peptides and functional ingredients. It emphasized on the first part the main strategies for valorization of meat industry by-products into diverse bioactive
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Recent Advances Exploiting Reactive Intermediates Generated via Continuous Flow Chemistry Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-03-13 Arlene Bonner, Parth Naik, Ruairi Crawford, Marcus Baumann
Reactive intermediates are transient high-energy species playing a pivotal role in the synthesis of organic molecules. Continuous flow processing is frequently exploited in generating a plethora of reactive intermediates followed by their rapid transformation to target molecules. Reactor miniaturisation along with high heat and mass transfer rates are key features that are exploited in these flow processes
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Treatment of spent lithium iron phosphate (LFP) batteries Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-03-08 Tannaz Naseri, Seyyed Mohammad Mousavi
In recent years, lithium iron phosphate (LFP) batteries in electric vehicles have significantly increased concerns over potential environmental threats. Besides reducing environmental pollution, recycling valuable materials is crucial for resource utilization. This study summarized the latest LFP recovery technologies, including pyrometallurgy, hydrometallurgy, bioleaching, and direct regeneration
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Organic Redox-active Molecules for Alkaline Aqueous Redox Flow Batteries Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-03-07 Biao Lu, Kaifeng Yu, Weide Shao, Ya Ji, Feifei Zhang
Redox flow batteries (ARFBs) have emerged as a promising technology for large-scale energy storage, enabling the efficient utilization of intermittent renewable energy sources. Recently, aqueous organic redox flow batteries (AORFBs) have been garnered attention due to the metal-free composition of organic molecules, offering favorable characteristics like earth-abundant elements, electrochemical reversibility
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CdTe photovoltaic technology: an overview of waste generation, recycling, and raw material demand Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-03-07 Priscila Silva Silveira Camargo, Pedro Amado Petroli, Rodrigo Andrade de Souza, Felippe Stefanowski Kerpen, Hugo Marcelo Veit
CdTe panel is a leader among thin-film technologies for solar panels and, according to some studies, promises the lowest production cost compared with other PV technology currently available in the commercial market. Despite the importance and representativeness of this technology, most published studies focus on crystalline silicon (c-Si) modules. Therefore, this brief review provides a more up-to-date
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Global manufacturer concealed hazards of PFAS releases for decades Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-03-01 Mindi F. Messmer, Leonard Siegel, Ben Locwin
Previous reports shed light on how per- and polyfluoroalkyl substances (PFAS) suppliers adopted strategies reminiscent of those employed by the tobacco industry. These tactics minimized the perceived risks posed by their products. This review relies on publicly available court documents to analyze the extent of information shared with end users of PFAS chemicals and how one company utilized this information
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Biomass-derived adsorbents: Universal database development for their synthesis and remediation efficiency as a necessary step to move from laboratory- to pilot-scale applications Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-02-29 Ioannis Anastopoulos, Dimitrios A. Giannakoudakis, Zacharias Fronstistis, Antonis A. Zorpas, Ioannis Pashalidis, Konstantinos Triantafyllidis
Adsorption is an effective and attractive solution for (waste)water treatment, with the dedicated articles to be around 50,000 in 2023. Development of biomass-derived sorbents is assumed as a modern approach within the frame of circular (bio)economy. This opinion article underscores diverse preparation methods and applications of biomass-derived materials, highlighting the need for standardized protocols
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Green biobased sorbents for CO2 capture Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-02-29 Abdussalam K. Qaroush, Ala'a F. Eftaiha, Khaleel I. Assaf, Feda'a M. Al-Qaisi
The development of sustainable, ecofriendly materials to mitigate carbon emissions has become necessary to face the escalating global environmental concerns. In this review, we explored recent advances made between 2022 and 2023 in the domain of utilizing biobased sorbents for CO capture. This includes a comprehensive analysis for the various approaches employed in this research area, shedding light
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E-waste recycling and utilization: A review of current technologies and future perspectives Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-02-28 Kirti Mishra, Samarjeet Singh Siwal, Vijay Kumar Thakur
Electronic waste (e-waste) is a rapidly growing problem worldwide due to the increasing consumption of electronic devices and the short lifespan of these products. E-waste recycling and utilization have emerged as potential solutions to this problem, aiming to recover valuable materials and minimize environmental impact. This review article provides an overview of the current e-waste recycling and
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Green sorbents for the solid phase extraction of trace species Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-02-23 Muhammad Saqaf Jagirani, Mustafa Soylak
Evaluating environmental sustainability is essential for determining the possible benefits of utilizing eco-friendly actions. There is increasing interest in analytical chemistry in developing and using environmentally friendly extraction processes. This review explores the advent and importance of green adsorbents as extractive materials in analytical chemistry applications. Sustainable green adsorbents
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Anthropogenic-driven perturbations on nitrogen cycles and interactions with climate changes Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-02-22 Cheng Gong, Sian Kou-Giesbrecht, Sönke Zaehle
Anthropogenic activities have substantially perturbed the global nitrogen (N) cycle directly through enhancing reactive N (Nr) inputs and indirectly through climate and land-use change. However, the climatic impacts of the N cycle and its feedbacks on climate change remain very uncertain. In this review, we provide an overview of the dominant pathways by which anthropogenic Nr affects the climate system
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Sustainable chemistry in adaptive agriculture: A review Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-02-22 Katarzyna Chojnacka
This review explores the evolution and impact of sustainable chemistry in agriculture. It traces its historical progress, key milestones, and challenges. The article delves into the fundamental principles, emerging technologies, and benefits of incorporating sustainable chemistry into farming practices. It specifically addresses areas like green synthesis, precision farming, soil health, and the use
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Biphasic organic synthesis with continuous electro-flow Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-02-14 Pushpak Mizar, Sagar Arepally, Thomas Wirth
Organic electrochemistry has recently witnessed a renaissance in research as a green and cost-efficient method for activating small molecules. Although some of the critical challenges of batch electrosynthesis remain, flow electrosynthesis can overcome several issues arising from batch electroorganic systems, such as mass transfer, ohmic drop, and selectivity. The combination of flow technology with
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Biogenic raw materials from food waste and by-products for smart packaging applications Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-02-13 Julia Matthes, Markus Schmid
Innovative smart packaging concepts are seen as crucial in addressing the challenges of sustainable food production. In this brief review paper, recent advancements in smart packaging are explored, with a focus on biogenic raw materials derived from agro-food by-products and waste. The primary goal is to develop environmentally sustainable systems that enhance food quality, extend shelf life, and thereby
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CO2 utilisation with plasma technologies Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-02-13 Victor Longo, Gabriele Centi, Siglinda Perathoner, Chiara Genovese
Utilising CO with non-thermal plasma technologies represents an emerging possibility to realise carbon circularity, especially in energy-intensive industries. The first prototype units are built even if most research is still at the laboratory scale. Many challenges still need to be solved, notwithstanding the recent mechanistic understanding. However, R&D still needs to be more focused on critical
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Recent advancements and challenges in carbon capture, utilization and storage Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-02-13 Grazia Leonzio, Nilay Shah
This short paper suggests a review of the latest developments and current challenges associated with carbon dioxide capture, utilization and storage. Recent research has been conducted to reduce energy consumption, costs, and improve efficiency. In carbon dioxide capture, catalysts have been added to solvents while new membranes and sorbent materials have been investigated. In mineral carbon dioxide
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Circular and inclusive utilization of alternative proteins: A European and Mediterranean perspective Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-02-09 C.G. Athanassiou, S. Smetana, D. Pleissner, A. Tassoni, L. Gasco, F. Gai, A. Shpigelman, M. Bravo Cadena, M. Gastli, L.E.C. Conceição, E. Gronich, S. Paolacci, V. Chalkidis, M. Kuthy, R.E. Stolzenberger, A. El Yaacoubi, C. Mehlhose, J.-I. Petrusán, C.I. Rumbos
Current European, and particularly Mediterranean, agricultural production systems heavily depend on protein imports to cover the nutritional needs of farmed animals and fish. To increase their resilience, the EU is in search of efficient, sustainable, and locally produced alternative proteins. Insects and algae have recently gained much attention due to their ability to bioconvert agro-industrial side-streams
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Green adsorbents for resource recovery Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-02-08 Varsha Srivastava, Ulla Lassi
The development of environmentally friendly approaches for resource recovery technologies is accelerating the progress of bio-based green adsorbents. A wide range of resources can be recovered from liquid and gaseous streams by employing green adsorbents. Waste biomass is a viable raw material for the development of novel environmentally friendly adsorbent materials. In recent times, there has been
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Microplastic pollution and e-waste: Unraveling sources, mechanisms, and impacts across environments Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-02-08 Muhammad Shaaban, Xiao-Ling Wang, Peng Song, Xiaogai Hou, Zhao Wei
Since the 1950s, usage of plastic's ubiquity and durability have fostered significant microplastic pollution, set to double in oceans by 2030. Originating from diverse sources including product wear, waste, and now identified e-waste recycling, these particles traverse to marine ecosystems, accumulating and causing ecological harm. Measuring less than 20 μm, microplastics can penetrate cell membranes
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A pharma perspective on sustainability advantages through adoption of continuous flow Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-02-03 Lara J. Nolan, Samuel J. King, Scott Wharry, Thomas S. Moody, Megan Smyth
The pharmaceutical sector is increasingly employing sustainable strategies to combat its environmental impact through the implementation of green chemistry and engineering practices. As regulatory requirements become more stringent and the drive towards sustainable chemical manufacture continues, new process methods and technologies are rapidly being developed with continuous flow at the forefront
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Assessment of toxicity tests for photovoltaic panels: a review Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-02-02 Pedro Amado Petroli, Priscila Silva Silveira Camargo, Rodrigo Andrade de Souza, Hugo Marcelo Veit
The installed capacity of photovoltaic solar energy is on the rise, which will lead to significant amounts of end-of-life solar panels in the future. It is estimated that at least 60 million tons of solar panel waste will be generated by the year 2050. This waste may contain hazardous substances and improper disposal results in environmental pollution. Several countries have adopted standardized waste
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An overview of NdFeB magnets recycling technologies Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-02-01 Muammer Kaya
Rare earth (RE) permanent magnets are essential components for successful green and digital transition. This paper extensively reviews the properties, recycling potential, and critical raw material state-of-the-art recycling technologies of waste permanent NdFeB magnets (containing about 15–30 wt% REE with high economic value). It also discusses different recycling techniques' fundamentals, benefits
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Progress in green adsorbent technologies from sewage sludge for wastewater remediation and carbon capture: A sustainable approach towards clean environment Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-01-30 Amit Kumar Sharma, Praveen Kumar Ghodke, Wei-Hsin Chen
Researchers worldwide have significantly emphasized utilizing green adsorbents for environmental remediation to ensure a sustainable and secure environment. A promising avenue in this endeavor involves the production of biochar through the pyrolysis of sewage sludge. This review offers a contemporary exploration of sewage sludge pyrolysis, emphasizing the generation of a crucial solid fraction, namely
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Retraction notice to "Prospects of physical, mechanical, and advanced recycling of end-of-life polystyrenes: Towards full recyclability" [Current Opinion in Green and Sustainable Chemistry 42 (2023) 100821] Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-01-17 Bahman Goshayeshi, Mehrdad Seifali Abbas-Abadi, Marvin Kusenberg, Angeliki Lemonidou, Kevin M. Van Geem
Abstract not available
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Recent progress in pyrometallurgy for the recovery of spent lithium-ion batteries: A review of state-of-the-art developments Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-01-19 Antonella Cornelio, Alessandra Zanoletti, Elza Bontempi
Pyrometallurgy is a well-known method for the efficient recovery of valuable metals from spent lithium-ion batteries (LIBs). This work provides an overview of the key aspects and recent advancements in pyrometallurgical processes for LIBs recycling. The newly developed pyrometallurgical processes have the potential to be energy-efficient, especially when utilizing microwave technologies. Despite encountering
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Life cycle assessment of biochar as a green sorbent for soil remediation Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-01-19 Ahmed I. Osman, Mohamed Farghali, Ahmed K. Rashwan
The study explores the essential role of Life Cycle Assessment (LCA) in assessing the environmental sustainability impacts of biochar as a green sorbent in soil remediation. Recent studies from 2021 to 2023 underscore biochar's potential for global warming mitigation and carbon sequestration. The review discusses various concerns related to biochar-to-soil LCA, including its effects on heavy metals
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Biowastes and derived green sorbents for water decontamination: Insights on thermochemical conversion strategies Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2024-01-05 Joshua O. Ighalo
Biowastes are waste materials of organic/biological origin. The aim of this paper was to discuss the recent breakthroughs in the thermochemical conversion of biowastes to green adsorbents for pollutant uptake. The review also discussed how thermochemical conversion impacts adsorbent cost considerations after their use in water decontamination. The nature of the biowaste feedstock and process temperature
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Editorial Board Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-12-01
Abstract not available
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Safe-and-sustainable-by-design: State of the art approaches and lessons learned from value chain perspectives Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-11-18 Christina Apel, Klaus Kümmerer, Akshat Sudheshwar, Bernd Nowack, Claudia Som, Catherine Colin, Lutz Walter, Johan Breukelaar, Marcel Meeus, Beatriz Ildefonso, Dmitri Petrovykh, Chaima Elyahmadi, Elina Huttunen-Saarivirta, Ann Dierckx, Anne Chloé Devic, Eva Valsami-Jones, Maurice Brennan, Cris Rocca, Johanna Scheper, Emma Strömberg, Lya G. Soeteman-Hernández
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Biobased chemicals: An editorial review Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-11-02 Christian Stevens, Anwar Jardine
Abstract not available
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Editorial overview: Recycling and reuse within a circular economy Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-09-30 Stefan Ioan Voicu, Vijay Kumar Thakur
Abstract not available
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Editorial overview: Toward cruising speed for circular plastics Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-09-30 Pieter Billen, Steven De Meester
Abstract not available
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Clarifying European terminology in plastics recycling Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-09-19 Kim Ragaert, Cloé Ragot, Kevin M. Van Geem, Sascha Kersten, Yoni Shiran, Steven De Meester
The increasing activities in plastics recycling have led to a sprawl of terminology describing different technologies and technology categorizations. This creates not only linguistic confusion but also makes it difficult for regulators, investors, corporate leaders and other stakeholders to fully understand the relationship between different technologies, potentially leading to suboptimal decisions
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Review of silicon recovery in the photovoltaic industry Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-09-12 Yuelong Yu, Xinjie Bai, Shaoyuan Li, Jianghao Shi, Lei Wang, Fengshuo Xi, Wenhui Ma, Rong Deng
The photovoltaic industry is developing rapidly to support the net-zero energy transition. Among various photovoltaic technologies, silicon-based technology is the most advanced, commanding a staggering 95% market share. However, the energy-intensive process of manufacturing silicon wafer raises concerns. In the photovoltaic supply chain, a substantial amount of photovoltaic secondary silicon-containing
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Editorial: Chemical conversion of biomass to chemicals Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-09-09 Maxim Galkin, Katalin Barta
Abstract not available
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Recent developments in the sustainability of the production of polyurethane foams from polyols based on the first- to the fourth-generation of biomass feedstock Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-09-04 Ugis Cabulis, Aiga Ivdre
The increase in the consumption of polymer materials, including polyurethanes, created not only convenience and comfort but also problems with the equally rapid increase in their waste, as well as the need for raw materials for polymer synthesis, which were and still are mostly obtained from petrochemicals. The development of renewable polyols has been assumed as a way toward more sustainable polyurethane
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Editorial: Artificial photosynthesis Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-09-02 Xiao-Yu Hu, Wanhua Wu
Abstract not available
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The potential of black soldier fly to recycle nitrogen from biowaste Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-09-01 Lotte Froonickx, Siebe Berrens, Laurens Broeckx, Sabine Van Miert
Nitrogen is an essential element for life on Earth. It is necessary for the production of food and feed, but excess nitrogen in nature leads to environmental problems such as eutrophication and climate change. To mitigate the negative impact of excess nitrogen, it is crucial to adopt sustainable and circular nitrogen management practices, such as nitrogen recycling from biowaste. Black soldier fly
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Recycling of solar PV panels in Bangladesh along with South and South East Asia Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-08-24 Md Mostafizur Rahman, Farah Noshin Chowdhury
The Sustainable Development Goal (SDG) 7 of the United Nations, averring clean and affordable energy, urges the world to adapt to renewable energy technologies; a major such technology is solar photovoltaic (PV) panels. Presently, the increasing trend of solar panel establishments and potential waste production at the end-of-life have exacerbated the electronic waste (e-waste) situation necessitating
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Recent progress and future prospects of silicon solar module recycling Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-08-23 Meng Tao, Theresa Chen, Natalie Click, Randall Adcock
Silicon solar modules are only 10–15 wt% circular with today's recycling technologies. A 90 wt% circularity requires that all the inorganic materials in silicon modules be recovered for reuse in solar or similar applications. Major technical barriers to a 90 wt% circularity for silicon modules include: 1) removal of the fluoropolymer back sheet; 2) detachment of silicon cells from glass; 3) removal
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Editorial hydrogen production storage and use Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-08-09 Patrice Perreault, Patrick Preuster
Abstract not available
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Catalytic cracking of ammonia toward carbon-neutral liquid fuel Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-08-05 Noah Zecher-Freeman, Han Zong, Pengfei Xie, Chao Wang
The prevailing challenges in H2 storage and transportation have hindered the widespread utilization of hydrogen as a carbon-neutral energy source. Ammonia is suggested as a promising liquid carrier of hydrogen, from which H2 can be released by catalytic cracking. In this Short Review, we discuss the recent efforts on the development of NH3 decomposition catalysts based on Ru, nonprecious metals, bimetallic
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Product stewardship scheme for solar photovoltaic panels Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-08-01 Peter Majewski, Pablo R. Dias
While the uptake of solar photovoltaic panels for the generation of clean energy has almost exponentially increased over the past about 10 years, effective end-of-life management legislation is still lacking in many other nations. Organisations like the International Renewable Energy Agency have clearly outlined the need and benefit of robust end-of-life management legislations, such as a product stewardship
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Water for synthesis and extraction (2023) Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-07-25 Wei-Min He, Shenlin Huang
Abstract not available
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Green polymers-based membranes for water reuse in a circular economy context Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-07-07 Stefan Ioan Voicu, Vijay Kumar Thakur
In the last one hundred years, our comfort and life expectancy have increased exponentially compared to what humanity has experienced throughout its existence, primarily due to technological progress and much easier access for everyone to products and technologies that make our daily lives easier. But all this came with an equally significant increase in material consumption and the generation of huge
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Life cycle assessment of bio-based nitrogen upcycling approaches Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-07-07 Sergiy Smetana
Nitrogen recovery from food waste is associated with a couple of main food waste treatment technologies, which concentrate on recovery of energy or return of nutrients to agriculture (soils). Such treatments, however, are connected with environmental impacts. The review analyzed recent literature aiming for the identification of green technologies of nitrogen recovery, able to deal with the range of
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Current scenario and challenges in recycling of human urine generated at source in rail coaches as resource Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-07-07 Kashyap Kumar Dubey, Deepanshi Rajput, Anshu Baldia, Akshay Kumar, Vinod Kumar, Ankush Yadav, Shikha Rao, Yogendra Kumar Mishra
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Recent advances of stereolithographic 3D printing enabled by photon upconversion technology Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-07-06 Lingling Wei, Cheng Yang, Wanhua Wu
Spatially confined photoexcitation of the photoresist is essential to achieve a high spatial resolution for stereolithography and related 3D printing; while for the photopolymerization initiated by conventional organic dyes based on one photon absorption, it is impossible to achieve localized excitation due to the linear correlation between excitation power and excited state concentration; usually
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On the path to improve lignin depolymerization and functionalization into bio-based platform chemicals: A short review Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-07-04 André M. da Costa Lopes, Armando J.D. Silvestre, João A.P. Coutinho
This short review encompasses the last relevant studies that have been unveiling efforts to increase the efficiency of lignin depolymerization and functionalization into bio-based platform chemicals. One of the drawbacks upon lignin depolymerization is the undesired condensation reactions (repolymerization) that negatively affect the yields of lignin monomers. Some recent technologies have demonstrated
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Molecular scale-driven upgrading of extrusion technology for sustainable polymer processing and recycling Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-06-22 Mariya Edeleva, Kyann De Smit, Simon Debrie, Annabelle Verberckmoes, Yoshi.W. Marien, Dagmar R. D’hooge
Our polymer material and processing industry heavily relies on single- and twin-screw extrusion technology. To facilitate a circular economy technological upgrades, bridging experimental characterization techniques and the predictive power of modeling and software tools are although indispensable. The current work highlights engineering challenges and solution strategies to make (reactive) extrusion
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Industrial view on hydrogen carriers for intercontinental transport Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-06-19 Markus Weikl, Andreas Peschel
Transport of hydrogen to import green energy will be a major role for regions as Europe to cover their energy need and fulfill their climate goals. In this paper the individual advantages and limitations of different hydrogen carriers for intercontinental transport will be shortly discussed. In addition, the view of an industrial gas company will be given. From a point of view of rapid scaling and
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Metrics for sustainable chemistry Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-06-19 Enrica Imbert, Luana Ladu
Abstract not available
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Recent advances of triplet–triplet annihilation upconversion in photochemical transformations Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-06-19 Jihao Jin, Tianjun Yu, Jinping Chen, Rui Hu, Guoqiang Yang, Yi Zeng, Yi Li
Triplet–triplet annihilation upconversion (TTA-UC) can upconvert low-energy photons to high-energy photons under low excitation intensity with incoherent light source, which has shown great potential in solar cells, photocatalysis, 3D printing, smart luminescence materials, and biological applications. In this review, we focus on the advances of TTA-UC in the application of photochemical transformation
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Legacy and emerging per- and poly-fluoroalkyl substances in polar regions Curr. Opin. Green Sustain. Chem. (IF 9.3) Pub Date : 2023-06-17 Zhiyong Xie, Roland Kallenborn
Per- and poly-fluorinated alkyl substances (PFASs) have been investigated in various environmental compartments in the Arctic and Antarctica. Available data indicated that PFASs are ubiquitous and constitute one group of ‘forever chemicals’ in the pristine polar environment. Long-range environmental transport with oceanic currents and atmosphere are major pathways in which PFAS reach polar regions