Provided is a water collection header (5) for collecting and extracting filtrate from a plurality of membrane modules (4), comprising: a plurality of cylinder portions (6) each including a cylinder body (61) formed in a cylindrical shape in which at least one end portion is opened and formed such that the end portions are sequentially connected to each other in a water-tight state, wherein at least one cylinder portion (6) of the plurality of cylinder portions (6) includes a connection portion (62) connected to the membrane module (4) so that the filtrate flows from the membrane module (4), and wherein at least one cylinder portion (6) of the plurality of cylinder portions (6) includes a water intake portion (63) capable of discharging the filtrate inside the cylinder body (61) to the outside, which is easily assembled.

The present invention relates to a hollow fiber membrane module unit including a plurality of hollow fiber membrane elements to which header pipe caps are attached at both end portions, the hollow fiber membrane elements being arranged in parallel to form a row, in which the adjacent header pipe caps attached to the hollow fiber membrane elements on a permeate side are connected by a side seal connection covering an outer periphery of a contact surface, and the header pipe caps at at least both ends of the row are fixed by a support bar.

The present invention relates to novel cartridges and modules for separation of fluid mixtures, especially for gas separation, to a process for production thereof and to a method of use thereof.

The present invention relates to novel cartridges and modules for separation of fluid mixtures, especially for gas separation, to a process for production thereof and to a method of use thereof.

A system for regeneration of acidic gas solvent, the system comprising; a regeneration cell having a solvent chamber arranged to receive a solvent flow, and an internal chamber arranged to receive a steam flow; said regeneration cell including a gas permeable membrane separating the solvent chamber and internal chamber; wherein the regeneration cell is arranged to vent acidic gas stripped from the solvent by the steam.

Disclosed are an extendable pressurized-type hollow fiber membrane module which facilitates improvement of filtrate quality through a multistep-filtration, enhanced easiness of installation and maintenance, decrease of footprint, and/or enlargement of filtration apparatus (without causing decrease of permeate flux of a unit hollow fiber membrane), and a filtration apparatus manufactured using the same. The filtration apparatus of the present invention comprises first and second pressurized-type hollow fiber membrane modules, wherein an inlet port of the first pressurized-type hollow fiber membrane module for introducing feed water and an outlet port of the second pressurized-type hollow fiber membrane module for discharging filtrate or air are coupled to each other.

A CO.sub.2 adsorption and recovery system including an intake unit, a first purification/adsorption/regeneration unit, a second purification/adsorption/regeneration unit, a three-way valve switching unit, a vacuum drawing unit and an exhaust unit is provided. The first and second purification/adsorption/regeneration units have a hollow fiber bundle impurity adsorption column, a hollow fiber bundle CO.sub.2 adsorption column and two heating devices. One set of adsorption columns performs purification and adsorption procedures to the inlet gas in a normal or high pressure condition, and the other set of adsorption columns performs desorption and regeneration procedures in a high temperature condition when the adsorption columns are heated by the heating devices. The three-way valve switching unit exchanges the purification and adsorption procedures with the regeneration procedure to the first and second units. The vacuum drawing unit draws CO.sub.2 desorbed from the CO.sub.2 adsorption columns alternatively. The exhaust unit drains a purified product gas out.

A vacuum membrane distillation module includes a center core; a plurality of hollow fiber membranes; an shell which cylindrically houses the bundle of hollow fiber membranes and the center core; at least one circumferential retaining structures retaining the ends of the plurality of hollow fiber membrane; at least one end cap housing the at least one circumferential retaining structures; at least one supporting rod extending in a longitudinal direction; a potting material, which is contained between (i) an inner boundary formed by the outer surface of the center core, and (ii) a peripheral boundary formed by the inner surface of the least one circumferential retaining structure; and at least one of (i) the outer surface of the at least one end section of the center core and (ii) the inner surface of the least one circumferential retaining structure comprises an adaptation to enhance strength of bonding with the potting material.

Algae harvesting and cultivating systems and methods for producing high concentrations of algae product with minimal energy. In an embodiment, a dead-end filtration system and method includes at least one tank and a plurality hollow fiber membranes positioned in the at least one tank. An algae medium is pulled through the hollow fiber membranes such that a retentate and a permeate are produced.

Algae harvesting and cultivating systems and methods for producing high concentrations of algae product with minimal energy. In an embodiment, a dead-end filtration system and method includes at least one tank and a plurality hollow fiber membranes positioned in the at least one tank. An algae medium is pulled through the hollow fiber membranes such that a retentate and a permeate are produced.