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Waste Management & Research

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https://www.readbyqxmd.com/read/28718391/corrigendum
#1
(no author information available yet)
Operating and environmental performances of commercial-scale waste gasification and melting technology by Nobuhiro Tanigaki, Yasuka Fujinaga, Hirohisa Kajiyama, and Yoshihiro Ishida. Waste Management & Research 2013; 31: 1118-1124, DOI: 10.1177/0734242X13502386. The authors regret that they omitted the following declaration of conflicting interest in the article: Declaration of Conflicting Interest At the time of publication, all authors were employed by Nippon Steel & Sumikin Engineering Co., Ltd. Technology developed by Nippon Steel & Sumikin Engineering Co...
July 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28703076/sampling-characterisation-and-processing-of-solid-recovered-fuel-production-from-municipal-solid-waste-an-italian-plant-case-study
#2
Ezio Ranieri, Gabriela Ionescu, Arcangela Fedele, Eleonora Palmieri, Ada Cristina Ranieri, Vincenzo Campanaro
This article presents the classification of solid recovered fuel from the Massafra municipal solid waste treatment plant in Southern Italy in compliancy with the EN 15359 standard. In order to ensure the reproducibility of this study, the characterisation methods of waste input and output flow, the mechanical biological treatment line scheme and its main parameters for each stage of the processing chain are presented in details, together with the research results in terms of mass balance and derived fuel properties...
July 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28699841/co-digestion-of-agricultural-and-municipal-waste-to-produce-energy-and-soil-amendment
#3
Maritza A Macias-Corral, Zohrab A Samani, Adrian T Hanson, Paul A Funk
In agriculture, manure and cotton gin waste are major environmental liabilities. Likewise, grass is an important organic component of municipal waste. These wastes were combined and used as substrates in a two-phase, pilot-scale anaerobic digester to evaluate the potential for biogas (methane) production, waste minimisation, and the digestate value as soil amendment. The anaerobic digestion process did not show signs of inhibition. Biogas production increased during the first 2 weeks of operation, when chemical oxygen demand and volatile fatty acid concentrations and the organic loading rate to the system were high...
July 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28691636/optimal-control-of-greenhouse-gas-emissions-and-system-cost-for-integrated-municipal-solid-waste-management-with-considering-a-hierarchical-structure
#4
Jing Li, Li He, Xing Fan, Yizhong Chen, Hongwei Lu
This study presents a synergic optimization of control for greenhouse gas (GHG) emissions and system cost in integrated municipal solid waste (MSW) management on a basis of bi-level programming. The bi-level programming is formulated by integrating minimizations of GHG emissions at the leader level and system cost at the follower level into a general MSW framework. Different from traditional single- or multi-objective approaches, the proposed bi-level programming is capable of not only addressing the tradeoffs but also dealing with the leader-follower relationship between different decision makers, who have dissimilar perspectives interests...
July 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28691594/an-analytical-hierarchy-process-based-study-on-the-factors-affecting-legislation-on-plastic-bags-in-the-usa
#5
Zhongguo Li, Fu Zhao
Annually, a large number of used plastic shopping bags are released into the environment, posing significant threats to public health and wildlife. Owing to these concerns, many local, regional, and national governments around the world have passed legislation to ban or restrict the use of plastic shopping bags. However, in the USA there are only 18 states that have approved plastic bag bans/fees, and even within these states these regulations do not cover all cities or counties. There are many factors that could affect the development and implementation of these regulations...
July 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28687064/leachate-generation-from-landfill-in-a-semi-arid-climate-a-qualitative-and-quantitative-study-from-sousse-tunisia
#6
Youssef Frikha, Johann Fellner, Moncef Zairi
Despite initiatives for enhanced recycling and waste utilization, landfill still represents the dominant disposal path for municipal solid waste (MSW). The environmental impacts of landfills depend on several factors, including waste composition, technical barriers, landfill operation and climatic conditions. A profound evaluation of all factors and their impact is necessary in order to evaluate the environmental hazards emanating from landfills. The present paper investigates a sanitary landfill located in a semi-arid climate (Tunisia) and highlights major differences in quantitative and qualitative leachate characteristics compared to landfills situated in moderate climates...
July 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28681692/comparison-between-students-and-residents-on-determinants-of-willingness-to-separate-waste-and-waste-separation-behaviour-in-zhengzhou-china
#7
Xiaoping Dai, Yuping Han, Xiaohong Zhang, Wei Hu, Liangji Huang, Wenpei Duan, Siyi Li, Xiaolu Liu, Qian Wang
A better understanding of willingness to separate waste and waste separation behaviour can aid the design and improvement of waste management policies. Based on the intercept questionnaire survey data of undergraduate students and residents in Zhengzhou City of China, this article compared factors affecting the willingness and behaviour of students and residents to participate in waste separation using two binary logistic regression models. Improvement opportunities for waste separation were also discussed...
July 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28681661/lead-waste-glasses-management-chemical-pretreatment-for-use-in-cementitious-composites
#8
Elena Bursi, Luisa Barbieri, Isabella Lancellotti, Andrea Saccani, Maria Bignozzi
This article investigates the effect of a low-impact chemical treatment based on a nitrilotriacetic acid chelating agent on the reactivity of funnel glass derived from discarded cathode ray tubes. Treated and untreated glass has been recycled either as a supplementary cementing material or as a fine aggregate in cementitious mortars. The effect of the treatment on the chemical and morphological properties of cullets, as well as on the solubility in an alkaline environment has been evaluated. Data so far collected underline a change in glass cullets characteristics that consequently affects their behaviour in cementitious mortars, reducing the pozzolanic activity as supplementary cementing material, but strongly decreasing the tendency towards alkali silica reactions when added as a fine aggregate...
July 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28660837/effect-of-storage-conditions-on-the-calorific-value-of-municipal-solid-waste
#9
Antony Mutua Nzioka, Hyeon-Uk Hwang, Myung-Gyun Kim, Cao Zheng Yan, Chang-Soo Lee, Young-Ju Kim
Storage conditions are considered to be an important factor as far as waste material characteristics are concerned. This experimental investigation was conducted using municipal solid waste (MSW) with a high moisture content and varying composition of organic waste. The objective of this study was to understand the effect of storage conditions and temperature on the moisture content and calorific value of the waste. Samples were subjected to two different storage conditions and investigated at specified temperatures...
June 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28653582/waste-management-outlook-for-mountain-regions-sources-and-solutions
#10
Larisa Semernya, Aditi Ramola, Björn Alfthan, Claudia Giacovelli
Following the release of the global waste management outlook in 2015, the United Nations Environment Programme (UN Environment), through its International Environmental Technology Centre, is elaborating a series of region-specific and thematic waste management outlooks that provide policy recommendations and solutions based on current practices in developing and developed countries. The Waste Management Outlook for Mountain Regions is the first report in this series. Mountain regions present unique challenges to waste management; while remoteness is often associated with costly and difficult transport of waste, the potential impact of waste pollutants is higher owing to the steep terrain and rivers transporting waste downstream...
June 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28617191/operator-models-for-delivering-municipal-solid-waste-management-services-in-developing-countries-part-b-decision-support
#11
Reka Soós, Andrew D Whiteman, David C Wilson, Cosmin Briciu, Sofia Nürnberger, Barbara Oelz, Ellen Gunsilius, Ekkehard Schwehn
This is the second of two papers reporting the results of a major study considering 'operator models' for municipal solid waste management (MSWM) in emerging and developing countries. Part A documents the evidence base, while Part B presents a four-step decision support system for selecting an appropriate operator model in a particular local situation. Step 1 focuses on understanding local problems and framework conditions; Step 2 on formulating and prioritising local objectives; and Step 3 on assessing capacities and conditions, and thus identifying strengths and weaknesses, which underpin selection of the operator model...
June 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28617175/operator-models-for-delivering-municipal-solid-waste-management-services-in-developing-countries-part-a-the-evidence-base
#12
David C Wilson, Jennifer Bangirana Kanjogera, Reka Soós, Cosmin Briciu, Stephen R Smith, Andrew D Whiteman, Sandra Spies, Barbara Oelz
This article presents the evidence base for 'operator models' - that is, how to deliver a sustainable service through the interaction of the 'client', 'revenue collector' and 'operator' functions - for municipal solid waste management in emerging and developing countries. The companion article addresses a selection of locally appropriate operator models. The evidence shows that no 'standard' operator model is effective in all developing countries and circumstances. Each city uses a mix of different operator models; 134 cases showed on average 2...
June 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28606005/group-assessment-of-key-indicators-of-sustainable-waste-management-in-developing-countries
#13
Bojana Tot, Goran Vujić, Zorica Srđević, Dejan Ubavin, Mário Augusto Tavares Russo
Decision makers in developing countries are struggling to solve the present problems of solid waste management. Prioritisation and ranking of the most important indicators that influence the waste management system is very useful for any decision maker for the future planning and implementation of a sustainable waste management system. The aim of this study is to evaluate key indicators and their related sub-indicators in a group decision-making environment. In order to gain insight into the subject it was necessary to obtain the qualified opinions of decision makers from different countries who understand the situation in the sector of waste management in developing countries...
June 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28605988/effect-of-curing-time-on-selected-properties-of-soil-stabilized-with-fly-ash-marble-dust-and-waste-sand-for-road-sub-base-materials
#14
Seyhan Firat, Jamal M Khatib, Gulgun Yilmaz, A T Comert
The properties of sub-base filling materials in highway construction are essential, as they can determine the performance of the road in service. Normally, the existing materials are removed and replaced with new materials that have adequate load-bearing capacity. Rising environmental concern and new environmental legislations have made construction professionals consider other methods. These methods include stabilizing the existing materials with other additives to improve their performance. Additives can be waste materials generated by different industries...
June 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28605951/a-novel-approach-to-find-and-optimize-bin-locations-and-collection-routes-using-a-geographic-information-system
#15
Seyed Mohammad Hassan Erfani, Shahnaz Danesh, Seyed Mohsen Karrabi, Rouzbeh Shad
One of the major challenges in big cities is planning and implementation of an optimized, integrated solid waste management system. This optimization is crucial if environmental problems are to be prevented and the expenses to be reduced. A solid waste management system consists of many stages including collection, transfer and disposal. In this research, an integrated model was proposed and used to optimize two functional elements of municipal solid waste management (storage and collection systems) in the Ahmadabad neighbourhood located in the City of Mashhad - Iran...
June 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28587517/effects-of-low-temperature-pretreatment-on-enhancing-properties-of-refuse-derived-fuel-via-microwave-irradiation
#16
Zhen Liu, Han-Qing Wang, Yue-Yun Zhou, Xiao-Dong Zhang, Jian-Wen Liu
The present study focuses on pretreatment of enhancing the properties of refuse-derived fuel (RDF) via low-temperature microwave irradiation. These improved properties include lower chlorine content, a more porous surface structure and better combustion characteristics. In this study, low-temperature microwave irradiation was carried out in a modified microwave apparatus and the range of temperature was set to be 220-300℃. We found that the microwave absorbability of RDF was enhanced after being partly carbonized...
June 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28580848/adsorption-photobioreactor-as-a-co-treatment-system-for-ammonium-and-phosphate-removal-by-the-response-surface-method
#17
Etesam Ganjian, Majid Peyravi, Ali Asqar Qoreyshi, Mohsen Jahanshahi, Ali Shokuhi Rad
The co-treatment system of photosynthetic microalgae Chlorella vulgaris and adsorption was investigated as a possible combination of symbiotic mixed culture for the simultaneous removal of nutrients (ammonium and phosphate) and organic contaminants. In this study, response surface methodology for experimental design and optimization was used. For experiment operation, two factorial designs containing five chemical oxygen demand influent (CODin) concentrations (100, 200, 400, 600 and 700 mg l(-1)) and hydraulic retention times (0...
June 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28578616/integration-of-informal-recycling-sector-in-brazil-and-the-case-of-sorocaba-city
#18
Nathalia Silva de Souza Lima, Sandro Donnini Mancini
Catadores are people who collect and sell materials that can be recycled. This activity has been done informally in many countries for years. Recently, a recognition process has begun for the informal recycling sector, with public and private initiatives. In Brazil, catadores started out associating with each other in co-operatives in the 1980s. In 2010, the Solid Waste National Policy was approved, promoting the inclusion of theses co-operatives in the formal waste management system. However, only in 25 out of 5670 Brazilian municipalities have hired co-operatives as Private Service Providers...
June 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28566005/solid-state-fermentation-and-composting-as-alternatives-to-treat-hair-waste-a-life-cycle-assessment-comparative-approach
#19
Eva Catalán, Dimitrios Komilis, Antoni Sánchez
One of the wastes associated with leather production in tannery industries is the hair residue generated during the dehairing process. Hair wastes are mainly dumped or managed through composting but recent studies propose the treatment of hair wastes through solid-state fermentation (SSF) to obtain proteases and compost. These enzymes are suitable for its use in an enzymatic dehairing process, as an alternative to the current chemical dehairing process. In the present work, two different scenarios for the valorization of the hair waste are proposed and assessed by means of life-cycle assessment: composting and SSF for protease production...
May 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28553775/electricity-production-from-municipal-solid-waste-in-brazil
#20
Guilherme Henrique Nordi, Reynaldo Palacios-Bereche, Antonio Garrido Gallego, Silvia Azucena Nebra
Brazil has an increasing production of municipal solid waste that, allied to the current waste management system, makes the search for alternatives of energy recovery essential. Thus, this work aims to study the incineration of municipal solid waste and the electricity production through steam cycles evaluating the influence of municipal solid waste composition. Several scenarios were studied, in which it was assumed that some fractions of municipal solid waste were removed previously. The municipal solid waste generated in Santo André city, São Paulo State, Brazil, was adopted for this study...
May 1, 2017: Waste Management & Research
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