Integrated solution for DWTP reverse osmosis brine management: CO2 stripping followed by membrane distillation

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.advisor Golam, Sarwar
dc.contributor.advisor Licón, Edxon
dc.contributor.author Viader Riera, Gerard
dc.date.accessioned 2016-03-29T11:34:31Z
dc.date.available 2016-03-29T11:34:31Z
dc.date.issued 2016-03-08
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/19960
dc.description.abstract DWTP RO brine disposal options have been studied in this work in terms of technical and economic feasibility. Different pretreatment sequences combining acidification and aeration were carried out and evaluated batchwise in a plate and frame DCMD system at feed and permeate temperatures of 54°C and 21°C respectively. Results showed that acidification provides a simple and inexpensive process in which the initial volume can be reduced by 50% before salts start to precipitate. Aeration followed by acidification provided a volume reduction of 66%, which cannot justify its high OPEX. However, further research in bubbling conditions has the potential to make it a viable process. These pretreatments followed by MD have the potential to become a solid ZLD alternative. Unfortunately, costs derived from brine discharge into the sea are too low to impulse investigation of these technologies. en
dc.format.extent 92
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.title Integrated solution for DWTP reverse osmosis brine management: CO2 stripping followed by membrane distillation en
dc.type G2 Pro gradu, diplomityö en
dc.contributor.school Kemian tekniikan korkeakoulu fi
dc.subject.keyword brine en
dc.subject.keyword aeration en
dc.subject.keyword acidification en
dc.subject.keyword MD en
dc.subject.keyword RO en
dc.identifier.urn URN:NBN:fi:aalto-201603291583
dc.programme.major Process Systems Engineering fi
dc.programme.mcode KE3004 fi
dc.type.ontasot Master's thesis en
dc.type.ontasot Diplomityö fi
dc.contributor.supervisor Oinas, Pekka
dc.programme Master's Programme in Chemical Technology fi
dc.location PK fi


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