Abstract: A contactor system includes a plurality of contactor panels. Each contactor panel includes a frame member and a membrane array adapted to be received within the frame member. The membrane array defines a first end portion, a second end portion, and a plurality of hollow fibers. The contactor system also includes a first manifold in selective fluid communication with the first end portion of the membrane array of each contactor panel. The contactor system further includes a second manifold in direct fluid communication with the second end portion of the membrane array of each contactor panel. The contactor system includes a controller configured to provide selective fluid communication between the first manifold and the first end portion of the membrane array of each contactor panel.

Abstract: A contactor module for a contactor panel includes a frame member and a contactor media coupled to the frame member. The contractor module defines a first side and a second side. The contactor media includes at least one first membrane array including a plurality of first hollow fibers extending along a first fiber axis. The at least one first membrane array defines a first axis. Further, the contactor module includes at least one second membrane array including a plurality of second hollow fibers extending along a second fiber axis. The at least one second membrane array defines a second axis. The at least one first membrane array and the at least one second membrane array is disposed such that a first inclination angle is defined between the first axis and the second axis. Moreover, the first inclination angle is greater than zero degree and less than 180 degrees.

Abstract: A system for adding a gas to a liquid including a gas over liquid accumulator having an interior volume with a headspace, a liquid level, an accumulator liquid inlet, an accumulator gas inlet, and an accumulator gas outlet connected to the headspace. A contactor having a contactor gas inlet and a contactor gas outlet and a first supply of gas connected to the accumulator gas inlet. A second supply of gas connected to the contactor gas inlet and a supply of liquid connected to the accumulator liquid inlet. A first valve disposed between the first supply of gas and the accumulator gas inlet, a second valve connected to the accumulator gas outlet, a third valve disposed between the supply of liquid and the accumulator liquid inlet, a fourth valve disposed between the contactor gas inlet and the second supply of gas; and a fifth valve connected to the contactor gas outlet.

Abstract: A membrane contactor includes: a cap has an internally beveled surface and a cap port; a cup body has an externally beveled surface in sealing engagement with the internally beveled surface, a side port on a side of the cup body and an end port located on an end of the cup body; and a membrane cartridge is located within the cup body, is sealed to an open end of the cup body, and is in sealed fluid communication with the end port. A method of making a membrane contactor includes the steps of: sealingly mating a perforated center of a membrane contactor with the end port of a cup body; sealingly joining an end of the membrane cartridge adjacent an open end of the cup body; and sealingly joining a beveled surface of the cap to a beveled external surface of the cup body.

Abstract: In accordance with at least selected embodiments, there are provided a diffusion membrane, a contactor, and/or a method for the removal and/or addition of a gas or a liquid to a second fluid, and the membrane may be a polyvinylidene fluoride (PVDF) hollow fiber membrane, where the diffusion occurs across the membrane.

Abstract: The instant application relates to a high pressure spiral-type hollow fiber membrane fabric-containing module or contactor, comprising: a high pressure module housing or vessel; a pair of end caps; liquid end ports and at least one gas port; and at least one membrane cartridge, wherein each module or contactor has one or more shims, spacers, protrusions, and/or the like on a cartridge shell exterior, on a module housing interior, on the cartridge shell exterior and on the module housing interior, and/or between the shell and the housing.

Abstract: A membrane contactor includes: a cap has an internally beveled surface and a cap port; a cup body has an externally beveled surface in sealing engagement with the internally beveled surface, a side port on a side of the cup body and an end port located on an end of the cup body; and a membrane cartridge is located within the cup body, is sealed to an open end of the cup body, and is in sealed fluid communication with the end port. A method of making a membrane contactor includes the steps of: sealingly mating a perforated center of a membrane contactor with the end port of a cup body; sealingly joining an end of the membrane cartridge adjacent an open end of the cup body; and sealingly joining a beveled surface of the cap to a beveled external surface of the cup body.

Abstract: Porous membrane contactors and/or their methods of manufacture and/or use are provided. In at least selected embodiments, the present invention is directed to flat panel hollow fiber or flat sheet membrane contactors and/or their methods of manufacture and/or use. In at least certain particular embodiments, the present invention is directed to hollow fiber array flat panel contactors, contactor systems, and/or their methods of manufacture and/or use. In at least particular possibly preferred embodiments, the contactor is adapted for placement in an air duct (such as an HVAC ductwork) and has a rectangular frame or housing enclosing at least one wound hollow fiber array or membrane bundle.

Abstract: A multi-cartridge membrane contactor that can be used for many purposes, including, but not limited to, being a multi-cartridge degassing module. In accordance with at least particular certain embodiments, the module includes a plurality of hollow-fiber cartridges placed in a radial pattern around a central cartridge within a single larger vessel. For example, there may be two radial sets of cartridges placed in series at each of the radial positions.

Abstract: A multi-cartridge membrane contactor that can be used for many purposes, including, but not limited to, being a multi-cartridge degassing module. In accordance with at least particular certain embodiments, the module includes a plurality of hollow-fiber cartridges placed in a radial pattern around a central cartridge within a single larger vessel. For example, there may be two radial sets of cartridges placed in series at each of the radial positions.

Abstract: In accordance with at least selected embodiments of the present invention, an improved liquid degassing membrane contactor or module includes a high pressure housing and at least one degassing cartridge therein. It may be preferred that the high pressure housing is a standard, ASME certified, reverse osmosis (RO) or water purification pressure housing or vessel (made of, for example, polypropylene, polycarbonate, stainless steel, corrosion resistant filament wound fiberglass reinforced epoxy tubing, with pressure ratings of for example, 150, 250, 300, 400, or 600 psi, and with, for example 4 or 6 ports, and an end cap at each end) and that the degassing cartridge is a self-contained, hollow-fiber membrane cartridge adapted to fit in the RO high pressure housing.

Abstract: New, improved, or modified membrane contactors, modules, systems, and/or methods for membrane distillation and/or ammonia removal, and/or methods of manufacture, use, and/or the like. In accordance with at least selected embodiments, particular possibly preferred membrane contactors, modules, systems, and/or methods for membrane distillation and/or ammonia removal, and/or to particular possibly preferred membrane contactors, modules, systems, and/or methods for membrane distillation and/or ammonia removal, involving membrane contactors adapted for membrane distillation, for ammonia removal, or for both membrane distillation and for ammonia removal, as well as for other membrane contactor systems, methods or processes such as degassing, gasifying, separation, filtration, and/or the like.

Abstract: The instant application relates to a high pressure spiral-type hollow fiber membrane fabric-containing module or contactor, comprising: a high pressure module housing or vessel; a pair of end caps; liquid end ports and at least one gas port; and at least one membrane cartridge, wherein each module or contactor has one or more shims, spacers, protrusions, and/or the like on a cartridge shell exterior, on a module housing interior, on the cartridge shell exterior and on the module housing interior, and/or between the shell and the housing.

Abstract: In accordance with at least selected embodiments of the present invention, an improved liquid degassing membrane contactor or module includes a high pressure housing and at least one degassing cartridge therein. It may be preferred that the high pressure housing is a standard, ASME certified, reverse osmosis (RO) or water purification pressure housing or vessel (made of, for example, polypropylene, polycarbonate, stainless steel, corrosion resistant filament wound fiberglass reinforced epoxy tubing, with pressure ratings of, for example, 150, 250, 300, 400, or 600 psi, and with, for example 4 or 6 ports, and an end cap at each end) and that the degassing cartridge is a self-contained, hollow-fiber membrane cartridge adapted to fit in the RO high pressure housing.

Abstract: In at least certain embodiments, the present invention is directed to contactors, modules, components, systems, and/or methods of manufacture, and/or methods of use including degassing liquids. In at least particular possibly preferred embodiments, the contactor or module is integrally potted, has planar, disc shaped end caps, and a cylindrical housing or shell receiving and supporting a membrane structure. In at least particular possibly preferred embodiments, each of the planar disc shaped end caps has a central opening therein adapted to receive a liquid end port or nozzle, another opening therein adapted to receive a gas end port or threaded pipe, and is held in place in the housing or shell by at least one retaining element such as a retaining or locking ring. In at least particular possibly preferred embodiments, the integrally potted membrane structure is potted in place in the housing or shell by an inverted potting process involving the use of a removable plunger or plug to recess the potting.

Abstract: In accordance with at least selected embodiments of the present invention, an improved liquid degassing membrane contactor or module includes a high pressure housing and at least one degassing cartridge therein. It may be preferred that the high pressure housing is a standard, ASME certified, reverse osmosis (RO) or water purification pressure housing or vessel (made of, for example, polypropylene, polycarbonate, stainless steel, corrosion resistant filament wound fiberglass reinforced epoxy tubing, with pressure ratings of, for example, 150, 250, 300, 400, or 600 psi, and with, for example 4 or 6 ports, and an end cap at each end) and that the degassing cartridge is a self-contained, hollow-fiber membrane cartridge adapted to fit in the RO high pressure housing.

Abstract: A wafer-shaped hollow fiber module adapted for in-line use in a piping system. The piping system may include two standard bolted flange connections, and at least one wafer-shaped hollow fiber module sealed between the two standard bolted flange connections. The wafer shaped hollow fiber module includes: a cylindrical housing having an open end and a closed end having a first sealing surface and an inlet port; at least one side port through the cylindrical housing; an end cap united to the open end having a second sealing surface and an outlet port.

Abstract: In at least certain embodiments, the present invention is directed to contactors, modules, components, systems, and/or methods of manufacture, and/or methods of use including degassing liquids. In at least particular possibly preferred embodiments, the contactor or module is integrally potted, has planar, disc shaped end caps, and a cylindrical housing or shell receiving and supporting a membrane structure. In at least particular possibly preferred embodiments, each of the planar disc shaped end caps has a central opening therein adapted to receive a liquid end port or nozzle, another opening therein adapted to receive a gas end port or threaded pipe, and is held in place in the housing or shell by at least one retaining element such as a retaining or locking ring. In at least particular possibly preferred embodiments, the integrally potted membrane structure is potted in place in the housing or shell by an inverted potting process involving the use of a removable plunger or plug to recess the potting.

Abstract: In accordance with at least selected embodiments of the present invention, an improved liquid degassing membrane contactor or module includes a high pressure housing and at least one degassing cartridge therein. It may be preferred that the high pressure housing is a standard, ASME certified, reverse osmosis (RO) or water purification pressure housing or vessel (made of, for example, polypropylene, polycarbonate, stainless steel, corrosion resistant filament wound fiberglass reinforced epoxy tubing, with pressure ratings of, for example, 150, 250, 300, 400, or 600 psi, and with, for example 4 or 6 ports, and an end cap at each end) and that the degassing cartridge is a self-contained, hollow-fiber membrane cartridge adapted to fit in the RO high pressure housing.

Abstract: The present invention is directed to contactors, modules, components, systems, and/or methods of manufacture, and/or methods of use including degassing liquids. The contactor or module is integrally potted, has planar, disc shaped end caps, and a cylindrical housing or shell receiving and supporting a membrane structure. Each of the planar disc shaped end caps has a central opening therein adapted to receive a liquid end port or nozzle and is held in place in the housing or shell by at least one retaining element. The integrally potted membrane structure is preferably potted in place in the housing or shell by an inverted potting process involving the use of a removable plunger or plug to recess the potting.