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Sustainable Wastewater Management Decision-Making Process and Its Application to Water Resource Recovery Facilities
Sustainable Wastewater Management Decision-Making Process and Its Application to Water Res...
Sustainable Wastewater Management Decision-Making Process and Its Application to Water Resource Recovery Facilities

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20260202103644
ISBN  
9798314874431
DDC  
577
저자명  
Ko, Daehyun.
서명/저자  
Sustainable Wastewater Management Decision-Making Process and Its Application to Water Resource Recovery Facilities
발행사항  
[Sl] : University of Michigan, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
260 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-11, Section: A.
주기사항  
Advisor: Daigger, Glen T.;Norton, John.
학위논문주기  
Thesis (Ph.D.)--University of Michigan, 2025.
초록/해제  
요약Water Resource Recovery Facilities (WRRFs) are facing various unprecedented environmental demands; they must reduce greenhouse gas (GHG) emissions, manage emerging pollutants like Per- and PolyFluoroAlkyl Substances (PFAS) and microplastics, and protect aquatic ecosystems. Additionally, facilities must consider their relationship with neighboring communities. WRRFs must balance environmental and social needs with economic feasibility while also complying with legal requirements. Decision-making in WRRFs should address these challenges, yet the process itself is complex and requires the participation of various stakeholders and the assistance of experts. This dissertation proposes a framework to systematically address complex decision-making in WRRFs and evaluates its applicability in two actual decisions at a large WRRF related to: (1) biosolid management (strategic management decision) (2) bar rack and grit chamber (operational planning decision).To achieve environmental, economic, and social sustainability and enhance stakeholders' participation in the decision-making process and assessment of alternatives in WRRFs, several outstanding knowledge gaps must be addressed: inadequate systematic decision-making process applicable to WRRFs and limited research on plant-wide assessment and framing issues in WRRF's decision. 1) Wastewater management decisions are complex due to regulatory challenges, conflicting stakeholder expectations, and constraints like technology, regulations, and consumer affordability. Over 200 papers were reviewed to propose a structured decision-making process that is science-based, sustainability-focused, clear, transparent, inclusive, objective-oriented, scalable, repeatable, and efficient. Stakeholder engagement, combined with data-driven analyses, was emphasized as essential for effective and widely supported decisions. 2) Limited research has been conducted specifically considering the interactions between the liquid and sludge streams of WRRFs to evaluate the technical and environmental impacts of biosolid management. This dissertation applied process modeling and Life Cycle Assessment (LCA) to assess the overall technical and environmental performance of biosolid management alternatives at a large WRRF. All alternatives, including composting and four anaerobic digestion options, achieved the following key goals: addressing aging infrastructure, reducing landfill biosolids, and lowering greenhouse gas emissions. Anaerobic digestion options demonstrated greater environmental impact reductions. 3) There has been a limited systematic approach for identifying stakeholders and establishing a decision hierarchy in WRRF decisions. Preliminary results were produced through interviews with internal staff; decision-makers and stakeholders were identified, and a decision hierarchy was proposed for biosolid management in a large WRRF. 4) The use of Multiple Criteria Decision Analysis (MCDA) WRRF decisions has increased among practitioners and researchers in the last two decades, but this analysis becomes more complex when considering numerous alternatives. This complexity was addressed in a bar racks and grit chambers decision at a large WRRF by applying a structured framework combining Data Envelopment Analysis (DEA) for initial screening with MCDA. The methodology effectively identified top-ranked alternatives, and improved decision efficiency. Stakeholder engagement and sensitivity analysis can help integrate diverse values and preferences to achieve well-informed, implementable, and adaptive decisions. When these methods are applied in the decision-making process, the outcome has a higher likelihood of being accepted by the relevant parties, thereby reducing social conflicts and the associated costs.
일반주제명  
Environmental science
일반주제명  
Environmental engineering
일반주제명  
Sustainability
키워드  
Decision-making
키워드  
Wastewater management
키워드  
Life cycle analysis
키워드  
Process modeling
키워드  
Multi-criteria decision analysis
기타저자  
University of Michigan Environmental Engineering
기본자료저록  
Dissertations Abstracts International. 86-11A.
전자적 위치 및 접속  
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MARC

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■1001  ▼aKo,  Daehyun.
■24510▼aSustainable  Wastewater  Management  Decision-Making  Process  and  Its  Application  to  Water  Resource  Recovery  Facilities
■260    ▼a[Sl]▼bUniversity  of  Michigan▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a260  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-11,  Section:  A.
■500    ▼aAdvisor:  Daigger,  Glen  T.;Norton,  John.
■5021  ▼aThesis  (Ph.D.)--University  of  Michigan,  2025.
■520    ▼aWater  Resource  Recovery  Facilities  (WRRFs)  are  facing  various  unprecedented  environmental  demands;  they  must  reduce  greenhouse  gas  (GHG)  emissions,  manage  emerging  pollutants  like  Per-  and  PolyFluoroAlkyl  Substances  (PFAS)  and  microplastics,  and  protect  aquatic  ecosystems.  Additionally,  facilities  must  consider  their  relationship  with  neighboring  communities.  WRRFs  must  balance  environmental  and  social  needs  with  economic  feasibility  while  also  complying  with  legal  requirements.  Decision-making  in  WRRFs  should  address  these  challenges,  yet  the  process  itself  is  complex  and  requires  the  participation  of  various  stakeholders  and  the  assistance  of  experts.  This  dissertation  proposes  a  framework  to  systematically  address  complex  decision-making  in  WRRFs  and  evaluates  its  applicability  in  two  actual  decisions  at  a  large  WRRF  related  to:  (1)  biosolid  management  (strategic  management  decision)  (2)  bar  rack  and  grit  chamber  (operational  planning  decision).To  achieve  environmental,  economic,  and  social  sustainability  and  enhance  stakeholders'  participation  in  the  decision-making  process  and  assessment  of  alternatives  in  WRRFs,  several  outstanding  knowledge  gaps  must  be  addressed:  inadequate  systematic  decision-making  process  applicable  to  WRRFs  and  limited  research  on  plant-wide  assessment  and  framing  issues  in  WRRF's  decision.  1)  Wastewater  management  decisions  are  complex  due  to  regulatory  challenges,  conflicting  stakeholder  expectations,  and  constraints  like  technology,  regulations,  and  consumer  affordability.  Over  200  papers  were  reviewed  to  propose  a  structured  decision-making  process  that  is  science-based,  sustainability-focused,  clear,  transparent,  inclusive,  objective-oriented,  scalable,  repeatable,  and  efficient.  Stakeholder  engagement,  combined  with  data-driven  analyses,  was  emphasized  as  essential  for  effective  and  widely  supported  decisions.  2)  Limited  research  has  been  conducted  specifically  considering  the  interactions  between  the  liquid  and  sludge  streams  of  WRRFs  to  evaluate  the  technical  and  environmental  impacts  of  biosolid  management.  This  dissertation  applied  process  modeling  and  Life  Cycle  Assessment  (LCA)  to  assess  the  overall  technical  and  environmental  performance  of  biosolid  management  alternatives  at  a  large  WRRF.  All  alternatives,  including  composting  and  four  anaerobic  digestion  options,  achieved  the  following  key  goals:  addressing  aging  infrastructure,  reducing  landfill  biosolids,  and  lowering  greenhouse  gas  emissions.  Anaerobic  digestion  options  demonstrated  greater  environmental  impact  reductions.  3)  There  has  been  a  limited  systematic  approach  for  identifying  stakeholders  and  establishing  a  decision  hierarchy  in  WRRF  decisions.  Preliminary  results  were  produced  through  interviews  with  internal  staff;  decision-makers  and  stakeholders  were  identified,  and  a  decision  hierarchy  was  proposed  for  biosolid  management  in  a  large  WRRF.  4)  The  use  of  Multiple  Criteria  Decision  Analysis  (MCDA)  WRRF  decisions  has  increased  among  practitioners  and  researchers  in  the  last  two  decades,  but  this  analysis  becomes  more  complex  when  considering  numerous  alternatives.  This  complexity  was  addressed  in  a  bar  racks  and  grit  chambers  decision  at  a  large  WRRF  by  applying  a  structured  framework  combining  Data  Envelopment  Analysis  (DEA)  for  initial  screening  with  MCDA.  The  methodology  effectively  identified  top-ranked  alternatives,  and  improved  decision  efficiency.  Stakeholder  engagement  and  sensitivity  analysis  can  help  integrate  diverse  values  and  preferences  to  achieve  well-informed,  implementable,  and  adaptive  decisions.  When  these methods  are  applied  in  the  decision-making  process,  the  outcome  has  a  higher  likelihood  of  being  accepted  by  the  relevant  parties,  thereby  reducing  social  conflicts  and  the  associated  costs.
■590    ▼aSchool  code:  0127.
■650  4▼aEnvironmental  science
■650  4▼aEnvironmental  engineering
■650  4▼aSustainability
■653    ▼aDecision-making
■653    ▼aWastewater  management
■653    ▼aLife  cycle  analysis
■653    ▼aProcess  modeling
■653    ▼aMulti-criteria  decision  analysis
■690    ▼a0775
■690    ▼a0768
■690    ▼a0640
■690    ▼a0474
■71020▼aUniversity  of  Michigan▼bEnvironmental  Engineering.
■7730  ▼tDissertations  Abstracts  International▼g86-11A.
■790    ▼a0127
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17358099▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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