公开(公告)号：US20170197182A1

公开(公告)日：2017-07-13

申请号：US14992821

申请日：2016-01-11

申请人： LG NANOH2O, INC. ,  LG CHEM, LTD.

发明人： Brett Anderson HOLMBERG ,  Jeff KOEHLER ,  Hyung Joon JEON

IPC分类号： B01D67/00 ,  B01D61/02 ,  B01D63/10 ,  C02F1/44 ,  B01D69/10 ,  B01D71/48 ,  B01D71/68 ,  B01D69/02 ,  B01D71/56 ,  B01D69/12

CPC分类号： B01D67/0088 ,  B01D67/0095 ,  B01D69/02 ,  B01D69/10 ,  B01D69/125 ,  B01D71/56 ,  C02F1/441 ,  C02F2103/08 ,  Y02A20/131

摘要： Provided is a process for preparation of a highly permeable thin film composite membranes for nanofiltration, reverse osmosis, and forward osmosis, particularly for reverse osmosis of brackish water. The process includes treating a prepared TFC membrane containing a discrimination layer on a frontside, a support layer, and a felt layer on the backside by contacting the backside of TFC membrane with a solution containing a pore protection agent that includes a tertiary amine salt of camphorsulfonic acid prior to or at the same time as contacting the frontside of the membrane with a solution containing a coating agent and drying the membrane. Also provided are reverse osmosis membranes prepared in accord with the method, and modules containing the highly permeable thin film composite membranes.

公开(公告)号：US20170056837A1

公开(公告)日：2017-03-02

申请号：US14841546

申请日：2015-08-31

申请人： LG CHEM, LTD. ,  LG NANOH2O, INC.

发明人： Alberto GOENAGA ,  Brett ANDERSON HOLMBERG ,  Andrew FORD ,  Amit SANKHE ,  Christopher KURTH ,  Robert BURK ,  Jin Kuk LEE ,  Jeff KOEHLER ,  Sung Yeol CHOI ,  Youngsik EOM ,  Hyungsam CHOI

IPC分类号： B01D69/12 ,  B01D63/10 ,  B01D71/60

CPC分类号： B01D69/125 ,  B01D63/10 ,  B01D69/02 ,  B01D69/141 ,  B01D71/56 ,  B01D71/60

摘要： Provided is an interfacial polymerization process for preparation of a highly permeable thin film composite membrane, which can be used for nanofiltration, forward osmosis, or reverse osmosis, particularly for use with brackish water or seawater. The process includes contacting a porous support membrane with an aqueous phase containing a polyamine to form a coated support membrane, and applying an organic phase containing a polyfunctional acid halide to the coated support membrane to interfacially polymerize the polyamine and the polyfunctional acid halide to form a discrimination layer of a thin film composite membrane, where the aqueous and/or organic phases include a flux-enhancing additive and a boron rejection-enhancing additive that includes a biguanide compound, dicarbonate compound, pentathiodicarbonate compound, or salts thereof. Also provided are the membranes prepared by the methods and reverse osmosis modules containing the membranes.

摘要翻译： 提供了用于制备高渗透性薄膜复合膜的界面聚合方法，其可用于纳滤，前向渗透或反渗透，特别是用于微咸水或海水。 该方法包括使多孔支撑膜与含有多胺的水相接触以形成涂覆的支撑膜，以及将包含多官能酰卤的有机相施加到涂覆的支撑膜上，以使聚胺和多官能酰卤形成一种 其中水相和/或有机相包括助焊剂增强添加剂和包含双胍化合物，二碳酸酯化合物，五硫代碳酸酯化合物或其盐的硼排斥增强添加剂。 还提供了通过包含膜的方法和反渗透模块制备的膜。

公开(公告)号：US20170014779A1

公开(公告)日：2017-01-19

申请号：US14799427

申请日：2015-07-14

申请人： LG NANOH2O, INC. ,  LG CHEM, LTD.

发明人： Hyung Joon JEON ,  Jeff KOEHLER ,  Hyungsam CHOI

IPC分类号： B01D69/12 ,  C09D7/12 ,  B01D71/02 ,  C02F1/44 ,  B01D61/02 ,  B01D71/60

CPC分类号： B01D69/125 ,  B01D61/025 ,  B01D69/02 ,  B01D71/022 ,  B01D71/56 ,  B01D71/60 ,  B01D2325/20 ,  C02F1/441 ,  C02F2103/08

摘要： Provided are flux enhancing inclusion complexes for preparing highly permeable thin film composite membranes, and processes that include adding the flux enhancing inclusion complexes to the organic phase or aqueous phase prior to interfacial polymerization of the thin film composite membrane. The thin film composite membranes are suitable for nanofiltration, and reverse and forward osmosis. The provided processes can include contacting a porous support membrane with an aqueous phase containing a polyamine to form a coated support membrane, and applying an organic phase containing a polyfunctional acid halide and a flux enhancing inclusion complex to the coated support membrane to interfacially polymerize the polyamine and the polyfunctional acid halide to form a discrimination layer to form thin film composite membranes.

摘要翻译： 提供了用于制备高渗透性薄膜复合膜的通量增强包合络合物，以及包括在薄膜复合膜的界面聚合之前将助熔剂增强包合配合物添加到有机相或水相中的方法。 薄膜复合膜适用于纳滤，反向和正向渗透。 所提供的方法可以包括使多孔支撑膜与含有多胺的水相接触以形成涂覆的支撑膜，以及将包含多官能酰卤和助焊剂增强包合配合物的有机相施加到涂覆的支持膜上以使多胺界面聚合 和多官能酰卤形成鉴别层以形成薄膜复合膜。

公开(公告)号：US20160355416A1

公开(公告)日：2016-12-08

申请号：US14730151

申请日：2015-06-03

申请人： LG NANOH2O, INC.

发明人： Jeff KOEHLER ,  Alexis FOSTER ,  Keunwon SONG ,  Young Ju LEE ,  Chongkyu SHIN

IPC分类号： C02F1/44 ,  B01D69/12 ,  B01D71/60 ,  B01D61/02 ,  B01D67/00

CPC分类号： C02F1/441 ,  B01D61/025 ,  B01D65/08 ,  B01D67/0006 ,  B01D67/0088 ,  B01D69/12 ,  B01D69/125 ,  B01D69/145 ,  B01D71/028 ,  B01D71/56 ,  B01D71/60 ,  B01D2323/40 ,  C02F2103/08 ,  Y02A20/131

摘要： Provided is an interfacial polymerization process for preparation of a highly permeable thin film composite membrane, which can be used for nanofiltration, or forward or reverse osmosis, for use with tap water, seawater and brackish water, particularly for use with brackish water at low energy conditions. The process includes contacting a porous support membrane with an aqueous phase containing a polyamine and a flux enhancing combination, which includes a metal chelate additive containing a bidentate ligand and a metal atom or metal ion and a dialkyl sulfoxide, to form a coated support membrane, and applying an organic phase containing a polyfunctional acid halide to the coated support membrane to interfacially polymerize the polyamine and the polyfunctional acid halide to form a discrimination layer of the thin film composite membrane. Also provided are the membranes prepared by the methods and reverse osmosis modules containing the membranes.

摘要翻译： 提供了一种用于制备可渗透的高渗透性薄膜复合膜的界面聚合方法，其可用于纳滤，或向前或反向渗透，用于自来水，海水和咸水，特别是用于低能量的咸水 条件。 该方法包括使多孔支撑膜与含有多胺和助熔剂增强组合的水相接触，其包含含有二齿配体和金属原子或金属离子和二烷基亚砜的金属螯合添加剂，以形成涂覆的支撑膜， 以及将包含多官能酰卤的有机相施加到所述涂覆的支撑膜上以使所述多胺和所述多官能酰卤交联以形成所述薄膜复合膜的鉴别层。 还提供了通过包含膜的方法和反渗透模块制备的膜。