Thin film composite forward osmosis membrane used in e.g. saline groundwater treatment, has support layer prepared utilizing blend of polyether sulfone, poly(2-ethyl-2-oxazoline), and goethite nanoparticles, and active layer comprising polyamide selective layer prepared over support layer
	SONKAR P; SHARMA S K; VAGHELA G; DEKA B J
	2023-08-28
专利权人	INDIAN SPACE RES ORG (ISRO-C) ; INDIAN INST TECHNOLOGY ROORKEE (INTE-Non-standard)
申请日期	2023-08-28
专利号	IN202311057597-A
成果简介	NOVELTY - The thin film composite forward osmosis membrane (100) has: a support layer (102) prepared utilizing a blend of polyether sulfone, poly(2-ethyl-2-oxazoline), and goethite nanoparticles through a non-solvent induced phase inversion process, where the support layer exhibits superhydrophilicity on porous side and hydrophilicity on dense side; and an active layer (104) comprising a polyamide selective layer prepared over the support layer through interfacial polymerization, where the membrane is configured to optimize separation efficiency by increasing selectivity and permeability for high-performance forward osmosis applications. USE - Thin film composite forward osmosis membrane for use in saline groundwater treatment, seawater desalination, zero-liquid discharge, potable water production industries, reverse osmosis concentrate minimization, and resource recovery (claimed). ADVANTAGE - The active layer developed through the interfacial polymerization allows water molecules to pass through while rejecting solutes and contaminants. The poly(2-ethyl-2-oxazoline) and goethite are utilized for fabrication of the support layer significantly optimizes thermodynamic instability of the phase inversion process and imparts finger-like morphologies across membrane cross-section and increases porosity. The poly(2-ethyl-2-oxazoline) and goethite are utilized for fabrication of the support layer significantly optimizes biocompatibility of the membrane. The support layer provides structural integrity and mechanical stability, with the goethite nanoparticles contributing to performance enhancement. The membrane is a unique composite structure that maximizes water permeability and solute rejection, encompasses a support layer generated through phase inversion, followed by a selective polyamide active layer developed via interfacial polymerization. This configuration ensures optimal separation properties. The finger-like support layer enhances overall membrane performance by promoting uniform fluid flow and increasing surface area for effective separation. The membrane demonstrates promising mechanical stability, ensuring its resilience to pressure changes and mechanical stresses during osmotic processes, contributing to extended membrane lifespan, exhibits good hydrophilicity and enhanced water transport, improved mechanical strength, water permeability, and selectivity contributing to more sustainable water treatment solutions, conserving resources, and promoting eco-friendly practices, offers a high-performance solution for water purification, and contributes to addressing global water scarcity challenges and ensuring access to clean and potable water, and can contribute to reduced energy consumption in osmotically driven processes, making it a more energy-efficient solution. DESCRIPTION OF DRAWING(S) - The drawing shows a thin film composite forward osmosis membrane. 100Thin film composite forward osmosis membrane 102Support layer 104Active layer
IPC 分类号	B01D-061/00 ; B01D-071/44
国家	印度
专业领域	化学化工
语种	英语
成果类型	专利
文献类型	科技成果
条目标识符	http://119.78.100.226:8889/handle/3KE4DYBR/20648
专题	中国科学院新疆生态与地理研究所
作者单位	1.INDIAN SPACE RES ORG (ISRO-C) 2.INDIAN INST TECHNOLOGY ROORKEE (INTE-Non-standard)
推荐引用方式 GB/T 7714	SONKAR P,SHARMA S K,VAGHELA G,et al. Thin film composite forward osmosis membrane used in e.g. saline groundwater treatment, has support layer prepared utilizing blend of polyether sulfone, poly(2-ethyl-2-oxazoline), and goethite nanoparticles, and active layer comprising polyamide selective layer prepared over support layer. IN202311057597-A[P]. 2023.

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