ION EXCHANGE MEMBRANES SELECTIVELY PERMEABLE TO SPECIFIC IONS
    13.
    发明申请
    ION EXCHANGE MEMBRANES SELECTIVELY PERMEABLE TO SPECIFIC IONS 审中-公开
    离子交换膜可选择特定的离子

    公开(公告)号:US20160038888A1

    公开(公告)日:2016-02-11

    申请号:US14782769

    申请日:2014-03-25

    Abstract: A monovalent ion permselective ion exchange membrane comprising a base layer consisting of an ion exchange membrane, and a monovalent ion permselective layer affixed to the surface of the base layer. The monovalent ion permselective layer is formed by coating and polymerizing a polymerizable solution onto the base ion exchange membrane layer. The polymerizable solution comprises: (i) of an ionic monomer having one or more ethylenic groups selected from (meth)acryloxy groups, (meth)acryl-amido groups, and vinylbenzyl groups, (ii) a hydrophobic crosslinking monomer having two or more ethylenic groups selected from (meth)acryloxy groups, (meth)acrylamido groups, and vinylbenzyl groups, (iii) a free radical initiator, in (iv) a solvent medium. The monovalent ion permselective ion exchange membranes include monovalent cation permselective ion exchange membranes and monovalent anion permselective ion exchange membranes. Also disclosed are processes for preparing the monovalent ion permselective ion exchange membranes.

    Abstract translation: 一种离子选择性离子选择离子交换膜,其包含由离子交换膜构成的基底层和附着于该基底层表面的一价离子选择层。 一价离子选择层通过将可聚合溶液涂布并聚合到基础离子交换膜层上而形成。 可聚合溶液包括:(i)具有一个或多个选自(甲基)丙烯酰氧基,(甲基)丙烯酰胺基和乙烯基苄基的烯基的离子单体,(ii)具有两个或更多个烯属 选自(甲基)丙烯酰氧基,(甲基)丙烯酰胺基和乙烯基苄基的基团,(iii)自由基引发剂,(iv)溶剂介质中。 一价离子选择性离子交换膜包括一价阳离子选择性离子交换膜和一价阴离子选择性离子交换膜。 还公开了制备一价离子选择性离子交换膜的方法。

    SYSTEM AND PROCESS FOR DESALINATING MONOVALENT ANION SPECIES FROM WASTEWATER

    公开(公告)号:US20210309545A1

    公开(公告)日:2021-10-07

    申请号:US17272225

    申请日:2019-10-31

    Abstract: Methods, systems, and techniques for desalinating monovalent anion species from wastewater. A system includes an electrodialysis stack that performs the desalination. The stack has a cathode, an anode, and at least one electrodialysis cell. The at least one electrodialysis cell includes a product chamber, a metal cation concentrating chamber adjacent to a cathodic side of the product chamber, and a transfer solution chamber adjacent to an anodic side of the product chamber. The product chamber and the metal cation concentrating chamber are each bounded by and share a cation exchange membrane, the product chamber and the transfer solution chamber are each bounded by and share a monovalent anion exchange membrane, and the transfer solution chamber is bounded on an anodic side by one of an anion exchange membrane and a monovalent anion exchange membrane. The wastewater may be generated by a flue gas desulfurization process.

    Resilient Anion Exchange Membranes Prepared By Polymerizing A Composition
    17.
    发明申请
    Resilient Anion Exchange Membranes Prepared By Polymerizing A Composition 有权
    通过聚合组合物制备的弹性阴离子交换膜

    公开(公告)号:US20160030894A1

    公开(公告)日:2016-02-04

    申请号:US14885469

    申请日:2015-10-16

    Inventor: Xiangchun Yin

    Abstract: A resilient anion exchange membrane including a homogeneous cross-linked ion-transferring polymer substantially filling pores and substantially covering surfaces of a porous substrate, wherein the resilient anion exchange membrane is prepared by polymerizing a composition including a quaternary ammonium cationic surfactant monomer, a crosslinking monomer including two or more ethylenic groups, a free radical initiator, and a solvent.

    Abstract translation: 一种弹性阴离子交换膜,包括基本上填充孔隙并基本上覆盖多孔基材表面的均匀交联离子转移聚合物,其中弹性阴离子交换膜通过聚合包含季铵阳离子表面活性剂单体,交联单体 包括两个或更多个烯基,自由基引发剂和溶剂。

Patent Agency Ranking