Rasmi Ranjan Tripathy , Rajesh Sahoo , Sanjit Mishra , Bibhudutta Das , Saravanakumar Balasubramaniam , Ananthakumar Ramadoss
{"title":"Fabrication and feasibility study of polymer-based triboelectric nanogenerator towards blue energy harvesting","authors":"Rasmi Ranjan Tripathy , Rajesh Sahoo , Sanjit Mishra , Bibhudutta Das , Saravanakumar Balasubramaniam , Ananthakumar Ramadoss","doi":"10.1016/j.gerr.2023.100006","DOIUrl":"https://doi.org/10.1016/j.gerr.2023.100006","url":null,"abstract":"<div><p>The goal of this study was to investigate a new aspect of polymeric film modification used in triboelectric nanogenerators (TENGs). TENGs were fabricated using fluorinated ethylene propylene (FEP) and chemically etched nylon films. The FTIR spectra confirmed the retained polymeric nature of the modified nylon films, and the AFM results showed an improvement in the roughness of the film surfaces after chemical treatment. The as-fabricated floatable TENGs delivered an open-circuit voltage of 12 V when subjected to an external force, and could glow a few light-emitting diodes (LEDs) with water waves. The findings of this study will open new prospects for the future development and optimization of polymer-based TENGs for blue energy harvesting.</p></div>","PeriodicalId":100597,"journal":{"name":"Green Energy and Resources","volume":"1 1","pages":"Article 100006"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49877656","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Application-oriented non-thermal plasma in chemical reaction engineering: A review","authors":"Yu Miao , Alexandre Yokochi , Goran Jovanovic , Suping Zhang , Annette von Jouanne","doi":"10.1016/j.gerr.2023.100004","DOIUrl":"https://doi.org/10.1016/j.gerr.2023.100004","url":null,"abstract":"<div><p>Non-thermal plasma as a tool in chemical reaction engineering has been studied for many years. The temperature of electrons in non-thermal plasma far exceeds other particles, which leads to its high efficiency. Besides the well-studied destruction of volatile organic compounds (VOCs), the reaction environment generated by non-thermal plasma is also suitable for the activation of many significant gas-phase chemical reactions, e.g., as methane coupling, reduction of carbon dioxide, ammonia synthesis, nitrogen fixation, as well as some liquid phase chemical reactions such as the treatment of contaminated water. Material synthesis is another target field of non-thermal plasma. Plasma in micro scale with several enhanced properties makes it an even more promising tool for plasma-chemical processing. This work summarizes different types of non-thermal plasmas and their performance in commonly studied chemical reactions. The advantages gained by generating non-thermal plasma in micro scale with constricted spaces, reduced timescales, and micro-/nano-structured electrodes are also discussed.</p></div>","PeriodicalId":100597,"journal":{"name":"Green Energy and Resources","volume":"1 1","pages":"Article 100004"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49877660","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Sustainable management of unavoidable biomass wastes","authors":"Kui Wang , Jefferson William Tester","doi":"10.1016/j.gerr.2023.100005","DOIUrl":"https://doi.org/10.1016/j.gerr.2023.100005","url":null,"abstract":"<div><p>The growing global population is posing severe stress on the earth's carrying capacity in terms of food, water, and energy supply. Biomass is the only renewable alternative that can be used for energy, liquid fuels, and bio-based materials simultaneously, which makes it an indispensable resource in the near and mid-term future as the world is slowly shifting away from fossil fuels. Wood waste (WW), agricultural waste (AW), food waste (FW), municipal solid waste (MSW), and sewage sludge waste (SSW) are identified as unavoidable biomass wastes because they are directly linked to the food-energy-water nexus core that is essential for the existence and development of human society. Proper management of these unavoidable biomass wastes is one of the significant factors that determine a sustainable future. This review provides a holistic view of unavoidable biomass wastes treatment strategies with a focus on hydrothermal processing (HTP) because most of the unavoidable biomass wastes are intrinsically wet biomass wastes. In addition, key properties of different biomass wastes, commonly used pretreatment methods, and major best available conversion technologies are evaluated for converting biomass wastes into energy, fuels, and products. Finally, options for integrating multiple technologies for the sustainable management of biomass wastes are highlighted, providing a promising road map for future development. The current review suggests that multiple technologies integrated energy systems are the key to sustainable management of unavoidable biomass wastes.</p></div>","PeriodicalId":100597,"journal":{"name":"Green Energy and Resources","volume":"1 1","pages":"Article 100005"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49877661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mengmeng Wang , Quanyin Tan , Jiadong Yu , Dong Xia , Wei Zhang , Cong-Cong Zhang , Zhiyuan Zhang , Junxiong Wang , Kang Liu , Jinhui Li
{"title":"Pollution-free recycling of lead and sulfur from spent lead-acid batteries via a facile vacuum roasting route","authors":"Mengmeng Wang , Quanyin Tan , Jiadong Yu , Dong Xia , Wei Zhang , Cong-Cong Zhang , Zhiyuan Zhang , Junxiong Wang , Kang Liu , Jinhui Li","doi":"10.1016/j.gerr.2022.100002","DOIUrl":"https://doi.org/10.1016/j.gerr.2022.100002","url":null,"abstract":"<div><p>Traditional pyrometallurgical recovery of spent lead-acid batteries (LABs) requires a temperature higher than 1000 °C, with accompanying hard-to-collect wastes such as lead dust and sulfur oxides. Against this background, sodium carbonate (Na<sub>2</sub>CO<sub>3</sub>) was proposed as a low-cost, safe, and non-toxic reagent for recycling the high-risk environmental elements lead (Pb) and sulfur (S), in spent LAB lead paste, enabling the one-step conservation of multi-component Pb species, including lead sulfate (PbSO<sub>4</sub>), metallic lead (Pb), and lead dioxide (PbO<sub>2</sub>), to lead oxide (PbO) and sodium sulfate (Na<sub>2</sub>SO<sub>4</sub>). The possible reaction pathways of Pb and S species in vacuum roasting was confirmed by Gibbs free energy reaction with an estimated average activation energy of 272.5 kJ/mol. The insoluble PbO in the reaction product (PbO/Na<sub>2</sub>SO<sub>4</sub>/Na<sub>2</sub>CO<sub>3</sub>) can be recycled by vacuum filtration, while Na<sub>2</sub>CO<sub>3</sub> and Na<sub>2</sub>SO<sub>4</sub> were separated using a carbonation method. Life cycle assessment revealed that for recycling 1.0 t of spent LABs, the vacuum roasting can reduce the carbon footprint −2.1 × 10<sup>3</sup> kg CO<sub>2</sub> eq, promoting global decarbonization. The designed route is highlighted with waste-free production and is outlined by the twelve principles of green chemistry, showing its great engineering application potential for spent LAB recycling.</p></div>","PeriodicalId":100597,"journal":{"name":"Green Energy and Resources","volume":"1 1","pages":"Article 100002"},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49877658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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