{"id":{"repo_id":"buffalo","oai_identifier":"oai:ubir.buffalo.edu:10477/79375"},"canonical_url":"https://search.dev.ndltd.org/etd/buffalo/oai:ubir.buffalo.edu:10477/79375","repository":{"repo_id":"buffalo","name":"Buffalo","base_url":"https://ubir.buffalo.edu/oai/request"},"display":{"title":"Mixed Matrix Membranes Comprising Polyamides and ZIF-8 Nanoparticles for Water Desalination","abstract":"M.S.","abstract_html":"M.S.","abstract_has_math":false,"creators":["Chaurasia, Shabdiki"],"institution":"State University of New York at Buffalo","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Lin, Haiqing","Chemical and Biological Engineering"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2019,"date_issued":"2019-04-04T20:31:03Z","date_published":"2019-04-04T20:31:03Z","updated_at":"2026-07-27T19:05:16Z","subjects":["chemical engineering"],"languages":["eng"],"rights":["Users of works found in University at Buffalo Institutional Repository (UBIR) are responsible for identifying and contacting the copyright owner for permission to reuse. University at Buffalo Libraries do not manage rights for copyright-protected works and cannot assist with permissions.","Copyright retained by author."],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/10477/79375","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Lin, Haiqing","Chemical and Biological Engineering"]},{"key":"dc:creator","label":"Author","values":["Chaurasia, Shabdiki"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2019-04-04T20:31:03Z","2019","2019-01-08 22:25:04"]},{"key":"dc:publisher","label":"Institution","values":["State University of New York at Buffalo"]},{"key":"dc:type","label":"Dc Type","values":["Text","Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["chemical engineering"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Users of works found in University at Buffalo Institutional Repository (UBIR) are responsible for identifying and contacting the copyright owner for permission to reuse. University at Buffalo Libraries do not manage rights for copyright-protected works and cannot assist with permissions.","Copyright retained by author."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/10477/79375"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["M.S.","Abstract: Reverse Osmosis (RO) membranes operate with a lower water flux and has higher energy requirement than nanofiltration (NF) membranes. The state-of-the-art research focuses on the addition of nanoparticles like CNTs, Zeolites, GO, to polyamide (PA) selective layer of RO membranes to increase water flux. However, these RO membranes exhibit decreased salt rejection for monovalent ions. Thus, a novel RO membrane should maximize water flux without compromising on salt rejection. The objective of this thesis is to develop a RO membrane from loose UF membrane by incorporating ZIF-8 nanoparticles in different organic phase and determine its effect on membrane performance. These synthetic nano-channels with well-defined inner pore diameter not only allow for a highly specific transmembrane ion transport but also for high water permeability. SEM images of ZIF-8 powder showed a uniform particle size of around 100 nm by room temperature synthesis, whereas the membrane images showed typical ridge and valley structure of polyamide (PA). The toluene based ZIF-8/PA membranes is found to be better and more reproducible filtration performances The permeate flux increased by 63.5% for ZIF-8 based TFN – RO membrane prepared with toluene as organic solvent compared to pristine membrane for 2000 ppm NaCl.Keywords: Water purification; reverse osmosis membranes; water flux, polyamide; ZIF-8."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Mixed Matrix Membranes Comprising Polyamides and ZIF-8 Nanoparticles for Water Desalination"]}]}],"canonical_facts":{"dc:contributor":["Lin, Haiqing","Chemical and Biological Engineering"],"dc:creator":["Chaurasia, Shabdiki"],"dc:date":["2019-04-04T20:31:03Z","2019","2019-01-08 22:25:04"],"dc:description":["M.S.","Abstract: Reverse Osmosis (RO) membranes operate with a lower water flux and has higher energy requirement than nanofiltration (NF) membranes. The state-of-the-art research focuses on the addition of nanoparticles like CNTs, Zeolites, GO, to polyamide (PA) selective layer of RO membranes to increase water flux. However, these RO membranes exhibit decreased salt rejection for monovalent ions. Thus, a novel RO membrane should maximize water flux without compromising on salt rejection. The objective of this thesis is to develop a RO membrane from loose UF membrane by incorporating ZIF-8 nanoparticles in different organic phase and determine its effect on membrane performance. These synthetic nano-channels with well-defined inner pore diameter not only allow for a highly specific transmembrane ion transport but also for high water permeability. SEM images of ZIF-8 powder showed a uniform particle size of around 100 nm by room temperature synthesis, whereas the membrane images showed typical ridge and valley structure of polyamide (PA). The toluene based ZIF-8/PA membranes is found to be better and more reproducible filtration performances The permeate flux increased by 63.5% for ZIF-8 based TFN – RO membrane prepared with toluene as organic solvent compared to pristine membrane for 2000 ppm NaCl.Keywords: Water purification; reverse osmosis membranes; water flux, polyamide; ZIF-8."],"dc:format":["application/pdf"],"dc:identifier":["http://hdl.handle.net/10477/79375"],"dc:language":["eng"],"dc:publisher":["State University of New York at Buffalo"],"dc:rights":["Users of works found in University at Buffalo Institutional Repository (UBIR) are responsible for identifying and contacting the copyright owner for permission to reuse. University at Buffalo Libraries do not manage rights for copyright-protected works and cannot assist with permissions.","Copyright retained by author."],"dc:subject":["chemical engineering"],"dc:title":["Mixed Matrix Membranes Comprising Polyamides and ZIF-8 Nanoparticles for Water Desalination"],"dc:type":["Text","Thesis"]},"updated_at":"2026-07-27T19:05:16Z"}