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Re-conceptualizing sludge management: Focusing on Institutional and Governance Aspects

Journal of Environmental Science and Engineering(A) 2020年第3期9卷 98-107页

作者： Ludovico Spinosa Puja Doshi Nat.Res.Council(CNR)(retired) Eur.Comm.for Stand.(CEN)and ***.(ISO)Home:Via G.Bozzi 5Bari 70121Italy Int.Water.Ass.-Institutional Governance and Regulation(IWA-IGR) Engineers without BordersBahrenfelder Chaussee 54Hamburg 22761Germany

In order to fulfill the SDG(Sustainable Development Goal)6.2 of the UN Agenda 2030 for sustainable developments,one needs to re-consider the wastewater management *** traditional approaches,sludge management plays a subordinate role in planning and designing wastewater systems since it is considered to be physically and conceptually at the end of the water cycle ***,this does not take into account that the selection of the most appropriate treatment sequence for the wastewater treatment plants is strongly driven by the final reuse/disposal option(s)available in the specific local situation and consistent with ***,a re-conceptualization becomes necessary to put sludge management in a driving position of the water cycle *** includes“technical”aspects and“institutional and governance”ones,which shall comply with general“basic principles”and fall within well defined“boundary conditions”.This paper discusses aforementioned items,paying greater attention to institutional and governance aspects.

关键词： Circular economy regulation sludge management sustainability standardization

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Systematical analysis of sludge treatment and disposal technologies for carbon footprint reduction

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Journal of Environmental Sciences 2023年第6期128卷 224-249页

作者： Yingxin Zhao Zhifan Yang Jiaojiao Niu Zihan Du Conti Federica Zhe Zhu Kaichao Yang Yan Li Baofeng Zhao Thomas Helmer Pedersen Chunguang Liu Mutabazi Emmanuel School of Environmental Science and Engineering Tianjin UniversityTianjin 300350China Tianjin Municipal Engineering Design&Research Institute Co. Ltd.Tianjin 300380China Tianjin International Engineering Institute Tianjin UniversityTianjin 300072China Department of Energy Technology Aalborg UniversityAalborg 9220Denmark School of Environmental Science and Safety Engineering Tianjin University of TechnologyTianjin 300384China Energy Research Institute of Shandong Academy of Sciences Jinan 250014China Shandong Kailin environmental protection equipment Co. Ltd.Heze 274000China

This study aims to comprehensively analyze the Greenhouse Gases(GHGs)emissions from current sewage sludge treatment and disposal technologies(buildingmaterial,landfill,land spreading,anaerobic digestion,and thermochemical processes)based on the database of Science Citation Index(SCI)and Social Science Citation Index(SSCI)from 1998 to *** general patterns,spatial distribution,and hotspotswere provided by bibliometric analysis.A comparative quantitative analysis based on life cycle assessment(LCA)put forward the current emission situation and the key influencing factors of different *** effective GHG emissions reduction methods were proposed to mitigate climate *** showed that incineration or building materials manufacturing of highly dewatered sludge,and land spreading after anaerobic digestion have the best GHG emissions reduction *** treatment technologies and thermochemical processes have great potential for reducing *** of pretreatment effect,co-digestion,and newtechnologies(e.g.,injection of carbon dioxide,directional acidification)are major approaches to facilitate substitution emissions in sludge anaerobic *** relationship between the quality and efficiency of secondary energy in thermochemical process and GHGs emission still needs further *** sludge products generated by bio-stabilization or thermochemical processes are considered to have a certain carbon sequestration value and can improve the soil environment to control GHG *** findings are useful for future development and processes selection of sludge treatment and disposal facing carbon footprint reduction.

关键词： Bibliometrics Sewage sludge Greenhouse gas Life cycle assessment sludge management

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