Waste Disposal & Sustainable Energy最新文献

{"title":"Enhancing methane production in anaerobic co-digestion of food wastes and sewage sludge: roles of different types of iron amendments","authors":"Roghayeh Karimirad,&nbsp;Liwen Luo,&nbsp;Jonathan W. C. Wong","doi":"10.1007/s42768-024-00207-0","DOIUrl":"10.1007/s42768-024-00207-0","url":null,"abstract":"<div><p>Iron element is known to be an effective additive for accelerating the anaerobic digestion (AD) process for treating organic wastes. However, the effects of different kinds of iron additives on food waste (FW) and sewage sludge of co-digestion process have not been yet investigated thoroughly. This study aimed to elucidate how different kinds of iron components affect methane production during FW and sewage sludge anaerobic co-digestion (co-AD) process and to investigate the possible mechanism of Fe amendment. Experimental results revealed that Fe amendment could effectively promote the substrate degradation and methane production, and FeCl₃ amended group presented the best digestion performance, boosting the methane production from 465.9 mL to 2650.4 mL. The results of the excitation-emission matrix fluorescence spectra analysis further supported that Fe supplements facilitated the waste hydrolysis with a higher concentration of dissolved organic matters and thereby more substrates can be used for methane generation. In addition, the activity of coenzyme F420 and direct interspecies electron transfer in FeCl₃ group were 5.82 and 5.89 times higher than those in the control group, respectively, indicating that electron transfer, particularly the interspecies one, was enhanced by Fe amendment. As compared to that in the control group, the increased cytochrome <i>c</i> concentration in Fe amended groups also proved it. Therefore, this study will provide a reference regarding Fe amendment in the co-AD process for FW and sewage sludge.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":807,"journal":{"name":"Waste Disposal & Sustainable Energy","volume":"6 4","pages":"553 - 564"},"PeriodicalIF":0.0,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s42768-024-00207-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141943355","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A two-stage strategy combining vermicomposting and membrane-covered aerobic composting to achieve value-added recycling of kitchen waste solid residues","authors":"Nan Hu,&nbsp;Zhenye Tong,&nbsp;Fei Li,&nbsp;Xia Zhang,&nbsp;Haofeng Gao,&nbsp;Jun Zhou","doi":"10.1007/s42768-024-00206-1","DOIUrl":"10.1007/s42768-024-00206-1","url":null,"abstract":"<div><p>Kitchen waste solid residues (KWSR) are secondary organic solid wastes generated from kitchen waste (KW) after oil and slurry separation. In this study, two recycling methods for KWSR were investigated: direct membrane-covered aerobic composting (T1) and a two-stage method combining vermicomposting with membrane-covered aerobic composting (T2). Compared with T1, T2 had a faster increase in pile temperature, a shorter thermal stage, lower greenhouse gas emissions and higher NH₃ emissions. The vermicomposting promoted the formation of humus and shortened the maturation time during aerobic composting, resulting in a shorter treatment period for T2 (18 d) than for T1 (21 d). The initial bacterial communities of T1 and T2 were significantly different, but they became similar as composting progressed. The economic feasibility analysis showed that 1000 kg of KWSR generated a profit of 285 CNY using the T2 method, which was higher than that of T1 (36 CNY). The outcomes of the present study provide an improved strategy for the management of KWSR.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":807,"journal":{"name":"Waste Disposal & Sustainable Energy","volume":"6 4","pages":"501 - 510"},"PeriodicalIF":0.0,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141882125","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":"Nature’s architects: a comprehensive review of extracellular polymeric substances and their diverse applications","authors":"Anusha Atmakuri,&nbsp;Bhoomika Yadav,&nbsp;Bhagyashree Tiwari,&nbsp;Patrick Drogui,&nbsp;R. D. Tyagi,&nbsp;Jonathan W. C. Wong","doi":"10.1007/s42768-024-00205-2","DOIUrl":"10.1007/s42768-024-00205-2","url":null,"abstract":"<div><p>Extracellular polymeric substances (EPSs) play a crucial role in various applications, especially in wastewater treatment. This review explores the importance of EPS in modern treatment methods, emphasizing its organic polymeric nature and properties that aid in effective pollutant removal and resource conservation. The study focuses on biological strategies utilizing microbial and bacterial communities, as well as electrolyte precipitate systems containing various components such as uronic acids, proteins, and carbohydrates that are essential for treatment processes. This review also describes the complex mechanisms regulating EPS biosynthesis, highlighting the impact of factors such as temperature, light intensity, and carbon to nitrogen ratio on EPS production. These findings emphasizes the influence of carbon supply and nitrogen sources on EPS formation, shedding light on the relationship between environmental conditions and EPS synthesis. In addition, this study discusses the significance of EPS extraction techniques for maintaining material integrity. Furthermore, the review explores the broad applications of EPS beyond wastewater treatment, including soil aggregation, pharmaceuticals, the food industry, and sustainable energy generation through EPS-driven microbial fuel cells. Understanding the diverse functions of EPS has the potential to improve environmental practices, mitigate climate change effects, and enhance industrial processes towards sustainability and efficiency. The versatility of EPS underscores its transformative impact on environmental and industrial practices.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":807,"journal":{"name":"Waste Disposal & Sustainable Energy","volume":"6 4","pages":"529 - 551"},"PeriodicalIF":0.0,"publicationDate":"2024-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141641079","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":"Textural properties prediction of KOH-activated carbon prepared from coal based on pyrolysis kinetics","authors":"Kai Wang,&nbsp;Guoxin Lin,&nbsp;Jun Meng,&nbsp;Jiangmin Guo,&nbsp;Bo Tan,&nbsp;Shaojun Liu,&nbsp;Qingyang Lin,&nbsp;Xuecheng Wu,&nbsp;Xiang Gao","doi":"10.1007/s42768-024-00204-3","DOIUrl":"10.1007/s42768-024-00204-3","url":null,"abstract":"<div><p>Pyrolysis kinetics were used in this study to analyze the pore formation mechanism of coal activated with KOH. Experimental derivative thermogravimetry (DTG) curves were fitted using Achar and Coats–Redfern methods to obtain kinetic parameters, such as activation energies. The effects of heating rate and KOH ratio on the activation energy show similar trends. Another attempt was trying to correlate the activation energies with the textural properties. The direct fitting was initially used and the obtained activation energies showed little correlation with textural properties. Two improved methods, namely, single peak fitting and multi peak fitting, were introduced. The former only considered the interaction between KOH and coal, regardless of coal pyrolysis. The activation energies obtained showed linear relation with the total pore volumes/BET (Brunauer–Emmett–Teller) surface areas (<i>R</i>²=0.94/0.99). The latter used Gaussian function to deconvolute the DTG curves, and then, each theoretical DTG peak could be correctly fitted. The positive linear correlation between the summed activation energies derived from surface reactions and metallic K intercalation and micropore volumes/surface areas was obtained (<i>R</i>²=0.993/0.996). Therefore, the proposed methods could be successfully applied to design and analyze the textural properties of specific coals with KOH activation.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":807,"journal":{"name":"Waste Disposal & Sustainable Energy","volume":"6 4","pages":"487 - 500"},"PeriodicalIF":0.0,"publicationDate":"2024-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141649870","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":"Slum dynamics: the interplay of remittances, waste disposal and health outcomes","authors":"Md Abdul Bari,&nbsp;Mohammad Ajmal Khuram,&nbsp;Ghulam Dastgir Khan,&nbsp;Yuichiro Yoshida","doi":"10.1007/s42768-024-00202-5","DOIUrl":"10.1007/s42768-024-00202-5","url":null,"abstract":"<div><p>Slum dwellers often fail to expend enough on waste disposal to have a healthy life, and remittances provide funds for a household to expend on the betterment of life conditions. This paper examines the impact of remittances on total monthly waste disposal expenditures and the impact of better waste disposal on monthly health expenditures among slum households in Bangladesh. Propensity score matching was adopted as an identification strategy to reduce selection bias. In this study, remittance includes both remittances received from within and outside Bangladesh. Remittance receipt equals 1 if a household receives remittances from within and/or outside of Bangladesh. Our results show that remittances increase expenditures on waste disposal by 28.77% to 32.74% among slum households in Bangladesh. Waste disposal expenditure is considered as an indicator of better waste disposal. Furthermore, we find that better waste disposal reduces total outpatient expenditures. A reduction in outpatient expenditure indicates that waste disposal results in better health conditions for slum dwellers. The findings of this study can be connected to Sustainable Development Goal 11, which targets sustainable cities and communities and suggests that remittances are a bottom-up financial mechanism for improving waste disposal at the micro level to improve health status.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":807,"journal":{"name":"Waste Disposal & Sustainable Energy","volume":"6 4","pages":"651 - 659"},"PeriodicalIF":0.0,"publicationDate":"2024-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s42768-024-00202-5.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141510011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A review on graphite carbon nitride (g-C3N4)-based composite for antibiotics and dye degradation and hydrogen production","authors":"Saddam Husein,&nbsp; Slamet,&nbsp;Eniya Listiani Dewi","doi":"10.1007/s42768-024-00198-y","DOIUrl":"10.1007/s42768-024-00198-y","url":null,"abstract":"<div><p>This paper reviews recent advances in the use of graphite carbon nitride (g-C₃N₄)-based composite photocatalysts for antibiotic and dye degradation and hydrogen production. It also discusses the structure, synthesis, modification, morphology, doping, preparation, and application of a particular subject and evaluates the advantages and disadvantages of different morphologies and preparation processes. The photocatalysts based on g-C₃N₄-based composites have demonstrated great potential. The g-C₃N₄ has been modified and tailored into various novel structures and morphologies to improve its efficiency in the photocatalytic degradation of pollutants. The techniques such as doping, metal deposition, heterojunction formation, and structural tuning enhance the rate of light absorption, charge transfer, and charge separation of g-C₃N₄. This leads to improved photocatalytic performance for antibiotic and dye degradation and hydrogen production.</p></div>","PeriodicalId":807,"journal":{"name":"Waste Disposal & Sustainable Energy","volume":"6 4","pages":"603 - 635"},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141509873","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":"Functionalizing carbon nanofibers with chicken manure to catalyse oxygen reduction reaction in a fuel cell","authors":"Prabhsharan Kaur,&nbsp;Veerpal Kaur,&nbsp;Gaurav Verma","doi":"10.1007/s42768-024-00203-4","DOIUrl":"10.1007/s42768-024-00203-4","url":null,"abstract":"<div><p>Chicken manure (CM) is one of the most common animal wastes produced worldwide. The conventional application of CM is as a fertilizer; however, in the present study, we introduce an approach for the straightforward and affordable use of CM for fuel cell applications. It reports the functionalization of carbon nanofibers (CNFs) using CM to confer multiple functionalities. The elements that make up the functionalized CNF are nitrogen (7.40%, atoms ratio, the same below), oxygen (6.22%), phosphorous (0.30%), and sulfur (0.02%), etc., according to energy dispersive X-ray spectroscopy, X-ray photoelectron spectroscopy, and Fourier transform infrared spectroscopy studies. It has been verified that following treatment with CM, the morphology of the CNFs remains the same. The CM-modified CNFs exhibit a higher electrocatalytic activity (onset potential: −0.0756 V; limiting current density: 2.69 mA/cm²) for the oxygen reduction reaction (ORR) at the cathode of a fuel cell. The electron transfer number for this sample is 3.68, i.e., the ORR favours a four-electron pathway like Pt/C. The direct method of functionalizing the CNF is more effective; however, treatment of CNFs with Triton X-100 prior to functionalization shields their otherwise exposed open edge sites and in turn affects their ORR activity. A large surface area (99.866 m²/g), the presence of multiple functional elements (oxygen, nitrogen, phosphorous, sulfur, etc.), surface charge redistribution and induced donor–acceptor interactions at the surface of CM-modified CNFs contribute to their enhanced electrochemical activity. This preliminary study reports the suitability of a facile and economical approach for treating CM for the most advanced clean energy applications. Hopefully, this study will pave the way for cutting-edge methods for handling other biowaste materials as well.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":807,"journal":{"name":"Waste Disposal & Sustainable Energy","volume":"6 4","pages":"637 - 650"},"PeriodicalIF":0.0,"publicationDate":"2024-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141510012","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":"Research on heat dissipation optimization and energy conservation of supercapacitor energy storage tram","authors":"Yibo Deng,&nbsp;Sheng Zeng,&nbsp;Chushan Li,&nbsp;Ting Chen,&nbsp;Yan Deng","doi":"10.1007/s42768-024-00196-0","DOIUrl":"10.1007/s42768-024-00196-0","url":null,"abstract":"<div><p>Uneven heat dissipation will affect the reliability and performance attenuation of tram supercapacitor, and reducing the energy consumption of heat dissipation is also a problem that must be solved in supercapacitor engineering applications. This paper takes the vehicle supercapacitor energy storage power supply as the research object, and uses computational fluid dynamics (CFD) simulation to calculate its internal temperature distribution to solve the problem that the internal heat dissipation of the power supply in the initial design scheme is not uniform, and the maximum temperature of cell capacitors is as high as 67 °C. Filling of heat-conducting silicone film between single cell capacitors inside the module can conduct heat from single cell capacitor in the center of the module to the edge of the module quickly; adding baffles in the cabinet can optimize the air duct, and the temperature between the modules can be uniform; as a result of the combined effect of the two optimization measures, the maximum temperature of the cell capacitors drops to 55.5 °C, which is lower than the allowable operating temperature limit of the capacitor cell 56 °C. For the first time, the scheme of using air-conditioning waste exhaust air to cool supercapacitor energy storage power supply is proposed. Compared with the traditional cooling scheme using special air conditioning units, each energy storage system can save 967.16 kW·h per year using air-conditioning waste exhaust cooling, effectively reducing the overall energy consumption of the vehicle.</p></div>","PeriodicalId":807,"journal":{"name":"Waste Disposal & Sustainable Energy","volume":"6 3","pages":"419 - 427"},"PeriodicalIF":0.0,"publicationDate":"2024-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141532595","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":"Innovations in food waste management: from resource recovery to sustainable solutions","authors":"Na Xiao,&nbsp;Lingxian Kong,&nbsp;Mengmeng Wei,&nbsp;Xiufang Hu,&nbsp;Ou Li","doi":"10.1007/s42768-024-00201-6","DOIUrl":"10.1007/s42768-024-00201-6","url":null,"abstract":"<div><p>Food waste (FW) constitutes a significant portion of municipal solid waste (MSW) and represents an underutilized resource with substantial potential for energy generation. The effective management and recycling of FW are crucial for mitigating environmental issues and minimizing associated health risks. This comprehensive review provides an in-depth overview of current technological applications for converting FW into energy with the dual goals of reducing environmental impact and maximizing resource utilization. It covers various aspects, including pretreatment methods, biological technologies (e.g., anaerobic digestion and fermentation), and thermal technologies (e.g., incineration, pyrolysis, gasification, and hydrothermal carbonization). The analysis includes the scope, advantages and disadvantages of these techniques. Landfilling, composting, and incineration are widely considered the most prevalent methods of FW disposal and have substantial negative impacts on the environment. Advanced technologies such as anaerobic fermentation offer environmental benefits and are suitable for scaling up, reducing greenhouse gas emissions, and producing renewable energy such as biogas, thus reducing carbon emissions. The promotion and adoption of advanced technologies like anaerobic fermentation can contribute to more sustainable FW management practices, reduce environmental impacts, and support the transition to a circular economy. Additionally, this article presents successful case studies, emphasizing the importance of technological integration in FW treatment. Furthermore, this article outlines future directions for FW treatment, including advancements in biological treatment technologies, decentralized treatment systems, and the adoption of digital and data-driven FW management systems. These emerging trends aim to promote sustainable, resource-efficient, and environmentally responsible FW management practices.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":807,"journal":{"name":"Waste Disposal & Sustainable Energy","volume":"6 3","pages":"401 - 417"},"PeriodicalIF":0.0,"publicationDate":"2024-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141167920","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":"Food losses and wastage within food supply chain: a critical review of its generation, impact, and conversion techniques","authors":"Sriram Marimuthu,&nbsp;Akuleti Saikumar,&nbsp;Laxmikant S. Badwaik","doi":"10.1007/s42768-024-00200-7","DOIUrl":"10.1007/s42768-024-00200-7","url":null,"abstract":"<div><p>This review aims to synthesize previous literature with a focus on food loss or waste measurement, generation, causes, and impacts, including sustainable solutions. It has been estimated that the volume of food lost or wasted in five different food classes varies from production to consumption and differs greatly between low- and high-income countries. This study suggested certain mitigations to reduce food loss or waste in developed and developing countries. In the effective management of food loss or waste, a succession of solutions may be adopted and prioritized in a manner comparable to the waste management hierarchy. According to the food loss or waste hierarchy, the first and most desired action to prevent food waste is to minimize food surplus and unnecessary food waste. Food donation to low-income populations through food bank organizations or social sectors is the second most appealing alternative, and turning food waste into animal feed is the third most appealing option. The authors described accessing the environment, economic and social impact, and intervention to prevent or reduce food loss or waste. Reduced food loss or waste prevents the waste of land, water, energy, and other resources incorporated in food and is thus critical to enhancing food system sustainability. The sustainable approaches for food waste management were then discussed with detailed elaboration on the most commonly practiced disposal and recycling methods for product recovery, as well as industrial applications via thermal and chemical treatment. In conclusion, this paper presents the outlook of the overall framework and suggests an outline of future directions in this field.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":807,"journal":{"name":"Waste Disposal & Sustainable Energy","volume":"6 4","pages":"661 - 676"},"PeriodicalIF":0.0,"publicationDate":"2024-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141106398","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}