公开(公告)号：US12161978B2

公开(公告)日：2024-12-10

申请号：US18287786

申请日：2022-04-22

Applicant: TORAY INDUSTRIES, INC.

Inventor： Ryosuke Okanishi ,  Shunsuke Tabayashi ,  Yuta Amano ,  Takao Sasaki ,  Masaki Higashi ,  Takashi Yoshino ,  Hiroki Minehara ,  Hiroaki Tanaka

IPC: B01D69/02 ,  B01D69/10 ,  B01D71/56 ,  C02F1/44 ,  C02F103/08

Abstract: The present invention relates to a composite semipermeable membrane including: a support membrane; and a separation functional layer provided on the support membrane, in which the separation functional layer includes a thin membrane, the thin membrane has a fold structure including a plurality of protrusions having a height of 10 nm or more, and in the fold structure, a ratio (T100/T25) is less than 0.95, where T25 is a thickness of the thin membrane in a region of 0% to 25% of the height of the protrusion and T100 is a thickness of the thin membrane in a region of 50% to 100% of the height of the protrusion.

公开(公告)号：US11511233B2

公开(公告)日：2022-11-29

申请号：US16335107

申请日：2017-09-11

Applicant: TORAY INDUSTRIES, INC.

Inventor： Takeshi Konda ,  Kentarou Takagi ,  Hiroho Hirozawa ,  Hiroyuki Yamada ,  Hiroki Minehara ,  Hiroaki Tanaka ,  Monami Suzuki ,  Yutaro Suzuki

IPC: B01D63/10 ,  B01D61/02 ,  B01D69/02 ,  C02F1/44 ,  B01D69/06

Abstract: According to the present invention, it is possible to obtain a separation membrane element which has an element configuration having high fresh water production performance and high removal performance, has an improved membrane surface linear velocity whereby fouling due to hardly-soluble salts (scales) or organic matters is less likely to occur on the membrane surface particularly in high recovery ratio operation, and is excellent in fresh water production performance and removal performance over a long period of time.

公开(公告)号：US11090613B2

公开(公告)日：2021-08-17

申请号：US16063172

申请日：2016-12-16

Applicant: TORAY INDUSTRIES, INC.

Inventor： Hiroaki Tanaka ,  Hiroki Minehara ,  Koji Nakatsuji ,  Masahiro Kimura

IPC: B01D69/02 ,  C02F1/44 ,  B01D69/10 ,  B01D67/00 ,  C02F103/08 ,  B01D69/12 ,  B01D71/56

Abstract: This composite semipermeable membrane is provided with: a porous supporting membrane that comprises a base and a porous supporting layer; and a separating function layer that is provided on the porous supporting layer. With respect to this composite semipermeable membrane, the standard deviation of pore radius of the separating function layer as determined by positron annihilation lifetime measurement is 0.025 nm or less.

公开(公告)号：US11167249B2

公开(公告)日：2021-11-09

申请号：US15748981

申请日：2016-07-29

Applicant: TORAY INDUSTRIES, INC.

Inventor： Masakazu Koiwa ,  Ryoma Miyamoto ,  Hiroaki Tanaka ,  Koji Nakatsuji ,  Kentaro Takagi

IPC: B01D69/10 ,  B01D71/56 ,  B32B5/18 ,  B01D53/22 ,  B01D61/18 ,  B01D69/02 ,  B01D69/12 ,  B01D61/02 ,  B01D71/34 ,  B01D71/68 ,  B32B27/12

Abstract: An object of the present invention is to provide a separation membrane having high permeability and selective removability of divalent/monovalent ions. The separation membrane of the present invention includes a supporting membrane and a separation functional layer formed on the supporting membrane, in which the separation functional layer contains a polymerized product of a polyfunctional amine with a polyfunctional acid halide, the polyfunctional amine contains a polyfunctional aliphatic amine as a main component, the separation functional layer has a hollow protuberant structure, and the separation functional layer has a relative surface area of 1.1-10.0.

公开(公告)号：US10143976B2

公开(公告)日：2018-12-04

申请号：US15539347

申请日：2015-12-25

Applicant: TORAY INDUSTRIES, INC.

Inventor： Hiroaki Tanaka ,  Kazuki Sato ,  Takafumi Ogawa ,  Takao Sasaki

IPC: B01D71/56 ,  B01D69/12 ,  B01D67/00 ,  B01D69/10 ,  C08G69/26 ,  C08G69/46 ,  B01D61/02 ,  B01D61/14

Abstract: The present invention relates to a composite semipermeable membrane including a supporting membrane and a separation functional layer disposed on the supporting membrane, in which the separation functional layer comprises an aromatic polyamide, the aromatic polyamide has side chains and terminal groups, at least one of the side chains and terminal groups of the aromatic polyamide being an amino group, at least one of the side chains and terminal groups of the aromatic polyamide is a substituent having a structure represented by formula (1): —NXY or formula (2): —NXYZ, and in the aromatic polyamide, a content A of substituents having structures represented by formula (1) and formula (2) and a content B of amide groups satisfy 0.005≤A/B≤0.15.

公开(公告)号：US20150210579A1

公开(公告)日：2015-07-30

申请号：US14423847

申请日：2013-08-30

Applicant: TORAY INDUSTRIES, INC.

Inventor： Hiroaki Tanaka ,  Hiroo Takabatake ,  Kentaro Kobayashi ,  Hiroaki Tanaka ,  Naoyuki Yamashita

IPC: C02F11/02

CPC classification number: C02F11/02 ,  C02F3/006 ,  C02F3/1268 ,  C02F2209/08 ,  C02F2209/10 ,  C02F2209/36 ,  C02F2209/42 ,  C02F2301/043 ,  Y02W10/15

Abstract: A fresh water generation method using a fresh water-generating device. The fresh water generation method includes a first treatment process for treating sewage and wastewater using a biological treatment unit and a first solid-liquid separation unit; a second treatment process for treating sewage and wastewater with a second solid-liquid separation unit; and a first detection process for detecting the treatment capacity level of the biological treatment unit; and which adjusts the volume of sewage and wastewater treated with the second treatment process on the basis of the results of the first detection process.

Abstract translation: 一种使用淡水生成装置的淡水生成方法。 淡水生成方法包括使用生物处理单元和第一固液分离单元处理污水和废水的第一处理方法; 用第二固液分离单元处理污水和废水的第二处理过程; 以及用于检测生物处理单元的处理能力水平的第一检测处理; 并根据第一检测过程的结果调整用第二处理过程处理的污水和废水的体积。