Systems and methods for use of water with switchable ionic strength

PG Jessop, SM Mercer, T Robert, RS Brown… - US Patent …, 2019‏ - Google Patents
2015-07-09 Assigned to QUEEN'S UNIVERSITY AT KINGSTON reassignment QUEEN'S
UNIVERSITY AT KINGSTON ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT …

Separation systems, elements, and methods for separation utilizing stacked membranes and spacers

C Benton, O Baka** - US Patent 9,636,635, 2017‏ - Google Patents
BACKGROUND Membranes may be used to perform osmosis, which generally occurs when
two solutions of differing concentra tion are placed on opposite sides of a permeable or semi …

Advancements in osmotically driven membrane systems including low pressure control

C Benton, C Keith, C Lundin - US Patent 9,861,937, 2018‏ - Google Patents
(Continued) Primary Examiner—David C Mellon (74) Attorney, Agent, or Firm—Dorsey &
Whitney LLP (57) ABSTRACT An example water purification system includes a forward …

Separation systems, elements, and methods for separation utilizing stacked membranes and spacers

C Benton, O Baka** - US Patent 10,464,023, 2019‏ - Google Patents
An example separation system includes a stack of membrane plate assemblies. An example
membrane plate assembly may include membranes bonded to opposite sides of a spacer …

Advancements in osmotically driven membrane systems including multi-stage purification

C Benton, O Baka**, C Lundin - US Patent 10,500,544, 2019‏ - Google Patents
An example water purification system for purifying high concentration feed solutions
includes a high rejection for ward osmosis module, one or more low rejection modules, and …

Separation systems, elements, and methods for separation utilizing stacked membranes and spacers

C Benton, O Baka** - US Patent 11,090,611, 2021‏ - Google Patents
An example separation system includes a stack of membrane plate assemblies. An example
membrane plate assembly may include membranes bonded to opposite sides of a spacer …

Methods of dewatering of alcoholic solutions via forward osmosis and related systems

C Benton, O Baka**, J Klare, R Revanur - US Patent 11,571,660, 2023‏ - Google Patents
First worldwide family litigation filed litigation Critical https://patents. darts-ip. com/? family=
57586003&utm_source= google_patent&utm_medium= platform_link&utm_campaign …

Spiral-wound acid gas separation membrane element, acid gas separation membrane module, and acid gas separation apparatus

Y Okubo, A Shudo, OTA Yudai, S Kasahara - US Patent 10,092,880, 2018‏ - Google Patents
(57) ABSTRACT A spiral-wound acid gas separation membrane element (1) includes a
wound body which includes a laminate and a perforated core (5), the laminate being wound …

Water with switchable ionic strength

PG Jessop, SM Mercer, RS Brown… - US Patent 11,498,853, 2022‏ - Google Patents
(57) ABSTRACT A method and system for reversibly converting water between an initial
ionic strength and an increased ionic strength, using a switchable additive, is described. The …

Electrodialysis device for the desalination of water for oil and gas applications

A Goldszal, M Jacob, D Tvrzník… - US Patent App. 17 …, 2021‏ - Google Patents
The invention relates to an electrodialysis device for the desalination of water for oil and gas
applications compris ing: a membrane stack comprising alternating cation-and anion …