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Developing Sustainable Technologies for Treating Inland Desalination Brines
Developing Sustainable Technologies for Treating Inland Desalination Brines
Developing Sustainable Technologies for Treating Inland Desalination Brines

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260202105105
ISBN  
9798297601147
DDC  
628
저자명  
Sheeleigh, Emily Kraemer.
서명/저자  
Developing Sustainable Technologies for Treating Inland Desalination Brines
발행사항  
[Sl] : University of California, Berkeley, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
106 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-04, Section: B.
주기사항  
Advisor: Sedlak, David.
학위논문주기  
Thesis (Ph.D.)--University of California, Berkeley, 2025.
초록/해제  
요약Brackish groundwater is widely available in the U.S. yet underdeveloped as a water source due to the complexity of inland brine disposal. In a lifecycle assessment of inland concentrate treatment, we found that the greatest potential for cost and energy savings lies in avoiding energy-intensive crystallization processes (such as mechanical vapor compression) and landfilling of salt solids. Additionally, inland desalination brines contain elevated concentrations of scale species (i.e., dissolved calcium and silica minerals), and improved methods for brine volume minimization and salt valorization must consider the complex chemistries often encountered in inland contexts.Solar-driven interfacial evaporation is a means of enhancing water vaporization efficiency by reducing energy lost to the bulk liquid and localizing solar-thermal energy conversion to the air/liquid interface. The graphene oxide (GO) stalk interfacial evaporator can significantly increase evaporative fluxes for sodium chloride solutions but has not previously been evaluated for use with brines containing scale species. In long-term experiments (8 to 32 days), we assessed the GO stalk's performance for brines containing calcium and silica scalants. We demonstrated its resistance to evaporative flux decline due to salt accumulation over both time scales as well as the ability to increase evaporation rate by antiscalant addition or stirring. Additionally, the GO stalk achieved salt separation during the evaporation of multi-electrolyte brines, in which the calcium to sodium ratio more than doubled for salts collected from the stalk base compared to those collected from the top of the stalk.In some contexts (e.g., intermediate chemical demineralization or concentrate disposal via environmental discharge), it is necessary to remove antiscalant compounds found in inland desalination concentrates. Using a magnetically-removeable ZnFeZr-oxyhydroxide adsorbent, we achieved 60%, 80%, and 95% removals of commonly used phosphonate antiscalants (NTMP, EDTMP, and HEDP, respectively) from synthetic brine solutions. The processes also removed metal contaminants (PbII and CuII) at rates of 60% and 90%.
일반주제명  
Environmental engineering
일반주제명  
Water resources management
일반주제명  
Materials science
키워드  
Antiscalant
키워드  
Brackish groundwater
키워드  
Desalination
키워드  
Water treatment
키워드  
Graphene oxide
기타저자  
University of California, Berkeley Civil and Environmental Engineering
기본자료저록  
Dissertations Abstracts International. 87-04B.
전자적 위치 및 접속  
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MARC

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■020    ▼a9798297601147
■035    ▼a(MiAaPQ)AAI32236577
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a628
■1001  ▼aSheeleigh,  Emily  Kraemer.
■24510▼aDeveloping  Sustainable  Technologies  for  Treating  Inland  Desalination  Brines
■260    ▼a[Sl]▼bUniversity  of  California,  Berkeley▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a106  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-04,  Section:  B.
■500    ▼aAdvisor:  Sedlak,  David.
■5021  ▼aThesis  (Ph.D.)--University  of  California,  Berkeley,  2025.
■520    ▼aBrackish  groundwater  is  widely  available  in  the  U.S.  yet  underdeveloped  as  a  water  source  due  to  the  complexity  of  inland  brine  disposal.  In  a  lifecycle  assessment  of  inland  concentrate  treatment,  we  found  that  the  greatest  potential  for  cost  and  energy  savings  lies  in  avoiding  energy-intensive  crystallization  processes  (such  as  mechanical  vapor  compression)  and  landfilling  of  salt  solids.  Additionally,  inland  desalination  brines  contain  elevated  concentrations  of  scale  species  (i.e.,  dissolved  calcium  and  silica  minerals),  and  improved  methods  for  brine  volume  minimization  and  salt  valorization  must  consider  the  complex  chemistries  often  encountered  in  inland  contexts.Solar-driven  interfacial  evaporation  is  a  means  of  enhancing  water  vaporization  efficiency  by  reducing  energy  lost  to  the  bulk  liquid  and  localizing  solar-thermal  energy  conversion  to  the  air/liquid  interface.  The  graphene  oxide  (GO)  stalk  interfacial  evaporator  can  significantly  increase  evaporative  fluxes  for  sodium  chloride  solutions  but  has  not  previously  been  evaluated  for  use  with  brines  containing  scale  species.  In  long-term  experiments  (8  to  32  days),  we  assessed  the  GO  stalk's  performance  for  brines  containing  calcium  and  silica  scalants.  We  demonstrated  its  resistance  to  evaporative  flux  decline  due  to  salt  accumulation  over  both  time  scales  as  well  as  the  ability  to  increase  evaporation  rate  by  antiscalant  addition  or  stirring.  Additionally,  the  GO  stalk  achieved  salt  separation  during  the  evaporation  of  multi-electrolyte  brines,  in  which  the  calcium  to  sodium  ratio  more  than  doubled  for  salts  collected  from  the  stalk  base  compared  to  those  collected  from  the  top  of  the  stalk.In  some  contexts  (e.g.,  intermediate  chemical  demineralization  or  concentrate  disposal  via  environmental  discharge),  it  is  necessary  to  remove  antiscalant  compounds  found  in  inland  desalination  concentrates.  Using  a  magnetically-removeable  ZnFeZr-oxyhydroxide  adsorbent,  we  achieved  60%,  80%,  and  95%  removals  of  commonly  used  phosphonate  antiscalants  (NTMP,  EDTMP,  and  HEDP,  respectively)  from  synthetic  brine  solutions.  The  processes  also  removed  metal  contaminants  (PbII  and  CuII)  at  rates  of  60%  and  90%.
■590    ▼aSchool  code:  0028.
■650  4▼aEnvironmental  engineering
■650  4▼aWater  resources  management
■650  4▼aMaterials  science
■653    ▼aAntiscalant
■653    ▼aBrackish  groundwater
■653    ▼aDesalination
■653    ▼aWater  treatment
■653    ▼aGraphene  oxide
■690    ▼a0775
■690    ▼a0543
■690    ▼a0595
■690    ▼a0794
■71020▼aUniversity  of  California,  Berkeley▼bCivil  and  Environmental  Engineering.
■7730  ▼tDissertations  Abstracts  International▼g87-04B.
■790    ▼a0028
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17359345▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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