A process for the efficient transfer of molecules between phases employing mesoporous poly (aryl ether ketone) hollow fiber membranes is provided. The method addresses the controlled transfer of reactants into and removal of reaction products from a reaction media and the removal and separation of target molecules from process streams by membrane-assisted liquid-liquid extraction. A number of possible modes of liquid-liquid extraction are possible according to the invention by utilizing porous poly (aryl ether ketone) hollow fiber membranes of Janus-like structure that exhibit a combination of hydrophilic and hydrophobic surface characteristics. The method of the present invention can address the continuous manufacture of chemicals in membrane reactors and is useful for a broad range of separation applications, including separation and recovery of active pharmaceutical ingredients.

Mesoporous poly (aryl ether ketone) articles are formed from blends of poly (aryl ether ketones) with pore forming additives by melt processing, and can be in the form of a monofilament, disc, film, microcapillary or other complex shapes. The method of formation provides for preparation of poly (aryl ether ketone) articles with high degree of surface area and uniform nanometer pore size. The preferred poly (aryl ether ketone)s are poly (ether ketone) and poly (ether ether ketone). The mesoporous articles formed by the method of the present invention are useful for a broad range of applications, including molecular separations and organic solvent filtration.

An oxygen-absorbing film including at least, from an outer layer side, a surface substrate layer having an oxygen barrier property, an oxygen-absorbing resin layer, and an inner surface substrate layer that contains a stretched PET substrate and is heat-sealable. The surface substrate layer, the oxygen-absorbing resin layer, and the inner surface substrate layer are laminated in this order. The oxygen-absorbing film provides an oxygen-absorbing film suitable as a packaging material that excels in oxidation suppression of packaging contents and in non-sorption of aroma components and also exhibits excellent tearability.

The invention provides a sorbent material comprising a PSA that is synthesized via a sol-gel process. The sorbent material enables higher loading of PSA and other functional groups than conventional sorbents. The sorbent material can further encapsulate carbonaceous and/or non-carbonaceous particles that are distributed throughout the sorbent network. The invention also relates to a method of making the sorbent materials.

Disclosed are daucus-based oxygen scavenging compositions and materials, particularly of the carrot species, and their methods of use in containers and packaging of oxygen sensitive products. Further disclosed are daucus-based oxygen scavenging materials used in combination with tea-based oxygen scavenging compositions. Such compositions, materials and containers are of use for preserving the shelf-life of a myriad of products such as foods, pharmaceuticals, cosmetics, tobacco and cannabis.

An object of the present invention is to provide a water purification filter comprising activated carbon as a filtration material and a biodegradable polymer as a binder component, which water purification filter has a filtration flow rate sufficient for practical use as a pot-type water purifier while maintaining a certain free residual chlorine filtration capacity, and has a certain degree of hardness and excellent handleability. Provided is a water purification filter obtained by winding a nonwoven sheet containing fibrous activated carbon and a heat fusible core-sheath composite fiber and then heat fusing the sheet, wherein the heat fusible core-sheath composite fiber includes a sheath portion containing a biodegradable polyester resin having a melting point of 80 to 140° C. and a core portion containing a synthetic resin having a melting point at least 20° C. higher than the melting point of the biodegradable polyester resin, and wherein the water purification filter has a density of 0.12 to 0.30 g/cm.sup.3 and a specific surface area of 500 to 1800 m.sup.2/g.

An adsorbent bed, including at least one elementary composite structure that includes adsorbent particles in a polymer matrix, wherein the adsorbent bed has a bed packing, ρ.sub.bed, defined as a volume occupied by the at least one elementary composite structure V.sub.ecs divided by a volume of the adsorbent bed V.sub.bed where ρ.sub.bed is greater than 0.60.

Disclosed is a method for collecting different selected exhaled breath samples, or fractions thereof, on a single sample capture device, the method comprising the steps of: (a) collecting a first exhaled breath sample by contacting the sample with a capture device comprising an adsorbent material; (b) collecting a second exhaled breath sample by contacting the second sample with said capture device, wherein the first and second exhaled breath samples are caused to be captured on the capture device in a spatially separated manner.

There is provided a structurally stable monolith substrate, suitable to provide carbon dioxide capture structure for removing carbon dioxide from air, having two major opposed surfaces, and further having a plurality of longitudinal channels extending between and opening through the two major opposed surfaces of the structurally stable monolith substrate; and a macroporous coating, adhered to the interior wall surfaces of the longitudinal channels, comprising an adherent, coating formed of cohered, compact mesoporous particles each being formed of a material that is compatible with the material forming the underlying substrate structure so as to become adherent thereto when coated. The mesoporous particles are capable of supporting in their mesopores a sorbent for CO.sub.2 There is also provided a method for forming the monolith and a system for utilizing the monolith as part of a CO.sub.2 capture structure, within the system, to remove CO.sub.2 from the atmosphere.

A process of forming a treated clay composition, a process of decaffeination, and a treated clay composition are shown. The process of forming the treated clay composition includes providing a first solution of caffeine molecules and non-caffeine molecules, extracting the caffeine molecules to form a pretreatment solution, and bringing a clay composition into contact with the pretreatment solution to form the treated clay composition, on which at least one of the non-caffeine molecules is adsorbed. The process of decaffeination includes providing a solution of caffeine and non-caffeine molecules, and bringing the solution into contact with a treated clay composition. The treated clay composition includes organic molecules adsorbed on mineral layers of a clay. The organic molecules are non-caffeine molecules from a pretreatment solution.