B01D71/421

Photothermal Photocatalytic Membrane for Seawater Desalination And Uranium Extraction And Preparation Method Therefor

The present disclosure relates to the field of materials for uranium extraction from seawater (UES), and in particular, to a photothermal photocatalytic membrane for seawater desalination and uranium extraction and a preparation method therefor. The present disclosure provides a photothermal photocatalytic membrane for seawater desalination and uranium extraction and a preparation method therefor. The preparation method includes: fixing a treated carbon cloth to a glass plate, pouring a casting solution 1 onto the carbon cloth to form a first layer of film, forming a second layer of film using a casting solution 2, and putting the second layer of film into a first coagulation bath and a second coagulation bath in sequence to form the photothermal photocatalytic membrane. The photothermal photocatalytic membrane is supported by the carbon cloth, and a surface of the photothermal photocatalytic membrane is of a micro-nano structure.

BLOOD TREATMENT DEVICE COMPRISING ALKALINE PHOSPHATASE

The invention relates to a blood treatment device configured to dephosphorylate extracellular adenosine triphosphate (ATP), adenosine diphosphate (ADP), adenosine monophosphate (AMP) and/or lipopolysaccharide (LPS) in the blood of a patient in need thereof in an extracorporeal blood circuit, wherein the device comprises a matrix having alkaline phosphatase (AP) immobilized thereon. The invention further relates to an extracorporeal blood circuit comprising a blood treatment device of the invention and to the blood treatment device for use as a medicament or to methods of treating an infection, preferably a blood or systemic infection, such as sepsis, and/or for the treatment of sepsis-associated acute kidney injury (AKI).

Uniformly structured high-permeability microporous membrane for filtering and method for preparing the same, flat filtering element and gas filtering article

A microporous membrane for filtering and a method for preparing the same, a flat filtering element and a gas filtering article are disclosed. The microporous membrane is composed of following raw materials in parts by weight: 100-110 parts of polyethylene, 27-30 parts of acrylonitrile, 0.1-0.2 parts of dicumyl peroxide, 2-4 parts of plasticizer, 1-2 parts of antimonous oxide, 0.8-1 part of zinc borate, 1-2 parts of antioxidant, 0.8-2 parts of heat stabilizer, 1-2 parts of octylisothiazolinone, 1-3 parts of calcium propionate, 0.7-2 parts of triglycidyl isocyanurate, 4-6 parts of diacetone alcohol, 0.7-1 part of oleic diethanolamide, 0.5-1 part of sodium myrastate and 1-2 parts of glycolic acid.

METAL-ORGANIC FRAMEWORK MATERIAL/MEMBRANE COMPOSITE MATERIAL, PREPARATION METHOD AND USE THEREOF

The present disclosure provides a metal-organic framework material/membrane composite material, a preparation method and a use thereof, which belongs to the technical field of water treatment. The method includes: mixing a membrane material with an alkali liquor, and performing a hydrolysis to obtain a hydrolyzed membrane; impregnating the hydrolyzed membrane in a metal salt aqueous solution and a framework organic solution in sequence, to form a metal-organic framework material/membrane composite material. In the composite material obtained by this method, the bonding strength between the membrane material and the metal-organic framework material is high, and it is not easy to separate them during the use and the composite material could be widely used. At the same time, the metal-organic framework material/membrane composite material obtained by this method has dual functionality, and thus could improve the efficiency of water treatment.

Ion-exchange membrane having an imprinted non-woven substrate
11135551 · 2021-10-05 · ·

The present disclosure provides an ion-exchange membrane that includes a supporting substrate impregnated with an ion-exchange material. The supporting substrate includes an imprinted non-woven layer, and the imprinting includes a plurality of deformations at a surface density of at least 16 per cm.sup.2. The supporting substrate may lack a reinforcing layer. In some examples, the supporting substrate may include only a single layer of the imprinted non-woven fabric.

UNIFORMLY STRUCTURED HIGH-PERMEABILITY MICROPOROUS MEMBRANE FOR FILTERING AND METHOD FOR PREPARING THE SAME, FLAT FILTERING ELEMENT AND GAS FILTERING ARTICLE
20210187428 · 2021-06-24 ·

A microporous membrane for filtering and a method for preparing the same, a flat filtering element and a gas filtering article are disclosed. The microporous membrane is composed of following raw materials in parts by weight: 100-110 parts of polyethylene, 27-30 parts of acrylonitrile, 0.1-0.2 parts of dicumyl peroxide, 2-4 parts of plasticizer, 1-2 parts of antimonous oxide, 0.8-1 part of zinc borate, 1-2 parts of antioxidant, 0.8-2 parts of heat stabilizer, 1-2 parts of octylisothiazolinone, 1-3 parts of calcium propionate, 0.7-2 parts of triglycidyl isocyanurate, 4-6 parts of diacetone alcohol, 0.7-1 part of oleic diethanolamide, 0.5-1 part of sodium myrastate and 1-2 parts of glycolic acid.

Block copolymer separators with nano-channels for lithium-ion batteries

Embodiments disclosed herein generally relate to a microporous separator with a pore geometry that creates a low or no tortuosity architecture. In one embodiment, a battery cell may comprise of an anode layer, a cathode layer, and a separator layer positioned between the cathode layer and the anode layer. The separator layer may be comprised of one or more block copolymers. The block copolymers that make up the separator layer may be materials that self-align into a vertical nanostructure. The vertical nanostructures may allow ions within the battery cell to flow in a vertical path between the cathode and anode. This vertical path my create a low or no tortuosity environment within the battery cell.

NANOFILTRATION COMPOSITE MEMBRANE, AND PREPARATION METHOD AND APPLICATION THEREOF
20210121829 · 2021-04-29 ·

The present invention discloses a nanofiltration composite membrane, a preparation method and application thereof. The preparation method comprises: A) preparing 2D nano-material dispersion; B) first preparing a solution of a polymer material with a certain concentration, continuously adding a poor solvent under stirring conditions to subject the polymer material to chemical reaction to obtain a dispersion containing negatively charged polymer gel particles; C) subjecting the nano-material dispersion in step A) and the dispersion prepared in step B) to blending, membrane preparation and drying, and then placing the membrane into an alkaline solution with a certain concentration and pure water for soaking to obtain a nanofiltration composite membrane. The nanofiltration composite membrane can efficiently remove heavy metal complex ions through the synergistic effect of pore size screening and charge repulsion. Moreover, the rejection rate and flux of the nanofiltration composite membrane have not changed obviously after use for a long time.

CELL CONCENTRATION METHODS AND DEVICES FOR USE IN AUTOMATED BIOREACTORS

The present disclosure provides cassettes for use in automated cell engineering systems that include cell concentration filters for reducing fluid volume of a cell sample during or following automated processing. The disclosure also provides methods of concentrating a cell population, as well as automated cell engineering systems that can utilize the cassettes and carry out the methods.

BLOCK COPOLYMER SEPARATORS WITH NANO-CHANNELS FOR LITHIUM-ION BATTERIES
20200287188 · 2020-09-10 ·

Embodiments disclosed herein generally relate to a microporous separator with a pore geometry that creates a low or no tortuosity architecture. In one embodiment, a battery cell may comprise of an anode layer, a cathode layer, and a separator layer positioned between the cathode layer and the anode layer. The separator layer may be comprised of one or more block copolymers. The block copolymers that make up the separator layer may be materials that self-align into a vertical nanostructure. The vertical nanostructures may allow ions within the battery cell to flow in a vertical path between the cathode and anode. This vertical path my create a low or no tortuosity environment within the battery cell.