公开(公告)号：US20240017218A1

公开(公告)日：2024-01-18

申请号：US18473467

申请日：2023-09-25

申请人： University of South Florida

发明人： Clifford Ronald Merz

IPC分类号： B01D69/02 ,  C08J5/18 ,  B01D69/12

CPC分类号： B01D69/02 ,  C08J5/18 ,  B01D69/1216 ,  C08J2305/08 ,  B01D2325/022

摘要： Membranes comprising chitosan and re-acetylated chitosan for use in desalination and Salinity Gradient Power Vapor Pressure Desalination (SGP-VPD). A thin film composite (TFC) membrane comprising a minimally hydrophilic re-acetylated chitosan outer layer and a substantially hydrophilic chitosan porous support layer for performing desalination and a multi-layer membrane comprising substantially hydrophobic re-acetylated chitosan inner and outer layers surrounding a substantially hydrophilic chitosan porous support layer for performing SGP-VPD.

公开(公告)号：US20220072484A1

公开(公告)日：2022-03-10

申请号：US17527223

申请日：2021-11-16

申请人： University of South Florida

发明人： Clifford Ronald Merz

IPC分类号： B01D71/08 ,  B01D61/02 ,  B01D69/12 ,  C02F1/44 ,  B01D61/44 ,  B01D61/10 ,  C02F1/469 ,  H01M8/1025

摘要： A membrane comprising chitosan for use in Reverse Osmosis (RO) desalination, or for extracting economically valuable materials from seawater or another highly saline industrial fluid using a thin film composite (TFC) membrane porous support layer comprising chitosan, or for reducing the saline content of one or more industrial or mining fluids for hazardous waste disposal in operations such as desalinization or hydraulic fracturing fracking using a thin film composite (TFC) membrane porous support layer comprising chitosan. The chitosan-based membrane may also be used as part of a dialytic membrane electrode assembly for use in the generation and storing of low across membrane voltages and currents across a salinity concentration gradient.