B01D71/04

FILTRATION DEVICE
20190060894 · 2019-02-28 ·

This disclosure provides, among other things, a filtration device comprising an open bottomed multi-well plate, a planar spacer that comprises apertures, and a porous capillary membrane. In the device, the planar spacer is sandwiched between the multi-well plate and the porous capillary membrane and the planar spacer is bonded to both the multi-well plate and the porous capillary membrane via an adhesive. Kits and methods of making the device are also provide.

CERAMIC HOLLOW FIBER MEMBRANES WITH IMPROVED MECHANICAL PROPERTIES
20190015791 · 2019-01-17 ·

A method for the manufacture of ceramic hollow fiber membranes in a spinning process by using a spinning mass, comprising the steps: providing a spinning mass formulation; providing a secondary phase; adding the secondary phase to the spinning mass formulation; manufacturing the ceramic hollow fiber membranes in a spinning process.

CERAMIC HOLLOW FIBER MEMBRANES WITH IMPROVED MECHANICAL PROPERTIES
20190015791 · 2019-01-17 ·

A method for the manufacture of ceramic hollow fiber membranes in a spinning process by using a spinning mass, comprising the steps: providing a spinning mass formulation; providing a secondary phase; adding the secondary phase to the spinning mass formulation; manufacturing the ceramic hollow fiber membranes in a spinning process.

Super-surface selective nanomembranes providing simultaneous high permeation flux and high selectivity

Superhydrophobic membrane structures having a beneficial combination of throughput and a selectivity. The membrane structure can include a porous support substrate; and a membrane layer adherently disposed on and in contact with the porous support substrate. The membrane layer can include a nanoporous material having a superhydrophobic surface. The superhydrophobic surface can include a textured surface, and a modifying material disposed on the textured surface. Methods of making and using the membrane structures.

Super-surface selective nanomembranes providing simultaneous high permeation flux and high selectivity

Superhydrophobic membrane structures having a beneficial combination of throughput and a selectivity. The membrane structure can include a porous support substrate; and a membrane layer adherently disposed on and in contact with the porous support substrate. The membrane layer can include a nanoporous material having a superhydrophobic surface. The superhydrophobic surface can include a textured surface, and a modifying material disposed on the textured surface. Methods of making and using the membrane structures.

METHOD FOR INJECTING CERAMIC POWDERS WITH FILTER CREATED IN SITU IN THE FIBROUS PREFORM
20240262003 · 2024-08-08 ·

A method for injecting ceramic particles into a fibrous texture includes placing a fibrous texture in a mould, injecting from one side a first suspension including a powder of large filtration particles to form a filtration layer, injecting from the opposite side a second suspension into the fibrous texture, the second suspension including a powder of small refractory ceramic particles, then draining through the filtration layer the liquid phase of the second suspension having passed through the fibrous texture and retaining the refractory ceramic particle powder inside the fibrous texture by the filtration layer of so as to obtain a fibrous preform including at least the fibrous texture filled with refractory ceramic particles and the filtration layer.

Submersible desalination apparatus
10106441 · 2018-10-23 · ·

A desalination apparatus and a method of desalinating thereof, wherein the desalination apparatus comprises a perforated vessel and at least one engineered semi-permeable membrane that covers perforations on the perforated vessel, wherein the desalination apparatus forms a purified water from saline water when submerged in the saline water to a depth of 50-250 m to create sufficient pressure differential on both sides of the engineered semi-permeable membrane, wherein low-saline water flows through the engineered semi-permeable membrane and collected within an internal cavity of the desalination apparatus. Various embodiments of the desalination apparatus and the method of desalinating are also provided.

Submersible desalination apparatus
10106441 · 2018-10-23 · ·

A desalination apparatus and a method of desalinating thereof, wherein the desalination apparatus comprises a perforated vessel and at least one engineered semi-permeable membrane that covers perforations on the perforated vessel, wherein the desalination apparatus forms a purified water from saline water when submerged in the saline water to a depth of 50-250 m to create sufficient pressure differential on both sides of the engineered semi-permeable membrane, wherein low-saline water flows through the engineered semi-permeable membrane and collected within an internal cavity of the desalination apparatus. Various embodiments of the desalination apparatus and the method of desalinating are also provided.

CELL-TRAPPING FILTER

To provide a cell-trapping filter which has a high cell trapping efficiency and which is excellent in water resistance.

A cell-trapping filter comprising a substrate and a cell-separating mechanism by size, wherein the substrate has, at least on its surface, a layer formed of a fluorinated polymer having units having a biocompatible group, having a fluorine atom content of from 5 to 60 mass % and having a proportion P represented by the following formula of from 0.1 to 5%:


proportion P=(proportion (mass %) of units having biocompatible group to all units in fluorinated polymer/fluorine atom content (mass %) of fluorinated polymer)100

CELL-TRAPPING FILTER

To provide a cell-trapping filter which has a high cell trapping efficiency and which is excellent in water resistance.

A cell-trapping filter comprising a substrate and a cell-separating mechanism by size, wherein the substrate has, at least on its surface, a layer formed of a fluorinated polymer having units having a biocompatible group, having a fluorine atom content of from 5 to 60 mass % and having a proportion P represented by the following formula of from 0.1 to 5%:


proportion P=(proportion (mass %) of units having biocompatible group to all units in fluorinated polymer/fluorine atom content (mass %) of fluorinated polymer)100