Subject-matter of the invention is a modular distribution head for a membrane housing body including a front side, a pipe connection to the membrane housing body, a gasket to seal the membrane housing body which is placed in the pipe connection, at least two flow openings in the distribution head through which the liquid can flow in and out of the distribution head and the membrane housing body whilst the flow opening is e.g. a liquid inlet, a permeate outlet or a concentrate outlet. The use of the distribution head or plant as per the invention leads to a considerable reduction in space required. In addition to less required space, a further advantage of the distribution heads as per the invention is that the connector pieces and the hydraulic connections are no longer necessary since the distribution heads are directly connected to each other and less collector pipes are needed in a plant.

Apparatuses and methods for extracting desired chemical species including, without limitation, lithium, specific lithium species, and/or other chemical compounds from input flows in a modular unit. The input flows may be raw materials in which lithium metal and/or lithium species are dissolved and/or extracted. The apparatuses and methods may include daisy chain flow through separate tanks, a column array, and/or combinations thereof.

A submersible water desalination apparatus includes a plurality of water separation membrane elements, a product water collector that receives product water from the membrane elements, and a variable output motorized submersible pump having a suction side that receives product water from the product water collector and a discharge side that pumps product water away from the apparatus through a product water conduit for surface or subsurface use. At least a portion of the product water is used to cool the motor.

Disclosed is a membrane humidifier for a fuel cell, which can prevent, without a separate gas filtering device, performance deterioration of a fuel cell due to harmful gases during a humidifying process. The humidifier comprises: a housing unit comprising a first fluid inlet, a first fluid outlet, a second fluid inlet, and a second fluid outlet, wherein the humidity of the first fluid introduced via the first fluid inlet is different from the humidity of the second fluid introduced via the second fluid inlet; at least one first cartridge installed inside the housing unit, the first cartridge having a plurality of hollow fiber membranes therein; and a gas filter provided in the first cartridge or between the inner circumferential surface of the housing unit and the first cartridge so as to capture harmful gases contained in the first or second fluid.

A subsea desalination template includes subsea desalination module zones and module fluid couplings. A desalinated water outlet is in fluid connection with the module fluid coupling in the subsea desalination module zone. Subsea desalination modules with reverse osmosis cartridges are in fluid connection with a subsea template fluid coupling, a seawater inlet section, and a concentrated seawater outlet section. A transport pump assembly for desalinated water in a pump module is in fluid connection with the subsea desalination template and the desalination modules. A seawater circulation pump is in fluid connection with a seawater side of the at least one reverse osmosis cartridge. A desalinated water pipeline conveys fluid from the desalinated water transport pump assembly to a location above sea level.

A filtration device includes a holding portion having opposed flexible sides with first and second ends, and a filter having an axis corresponding approximately to an edge of the filter, where the axis is coplanar with a planar surface of the filter. The filter may be arranged between the opposed flexible sides, and the filter may be configured to rotate about the axis such that an angle is formed between the planar surface and one of the opposed flexible sides. The filter may be configured to divide the holding portion into first and second holding parts, where the first holding part and the second holding part may be configured to hold fluid received from the first end of the holding portion and filtrate corresponding to the fluid having passed through the filter, respectively. The filtrate may be configured to exit from an opening at the second end.

An enclosure assembly configured to receive a plurality of fiber membranes configured to filter fluid may include an elongated tubular member including an elongated wall extending between first and second ends, and a removable hatch coupled to opposing side edges of the elongated wall, thereby forming a hollow enclosure having an interior. The interior of the elongated tubular member may be configured to receive a plurality of fiber membranes configured to filter fluid.

Disclosed is a filtering apparatus which comprises a plurality of hollow fiber membrane modules installed in a frame structure with high packing density so that the recovery rate of the filtering apparatus can be increased, and performs the aeration cleaning of the hollow fiber membrane modules in efficient way. The filtering apparatus of the invention comprises a frame structure including first and second internal spaces, a first hollow fiber membrane module installed in the first internal space, and a second hollow fiber membrane module installed in the second internal space.

The present invention discloses a combination unit and method of multiple membrane shells. The combination unit of multiple membrane shells is formed by bundling multiple membrane shells in parallel, wherein the raw water port and the concentrated water port of each of the membrane shells are respectively connected and sealed with the raw water port and the concentrated water port of the adjacent membrane shells to form the shared raw water port and the shared concentrated water port which are respectively connected with the raw water pipeline and the concentrated water pipeline. Since each of the combination units of multiple membrane shells is provided with the shared raw water port and the shared concentrated water port, it is adequate to finish the assembly of the shared raw water port with the pipeline and the assembly of the shared concentrated water port with the pipeline in the engineering installation. The combination unit of multiple membrane shells can be placed horizontally or vertically. By adopting the technology of the combination unit of multiple membrane shells, there does not need a large number of clamps, the number of sealed points is decreased, the engineering cost is reduced, the hidden seepage danger is lowered, the engineering installation workload is lessened, the occupied area of the apparatus is saved, and the maintenance and the service are convenient.

Disclosed herein are apparatus and methods for filtering a fluid including a filter module assembly coupled to a manifold. The manifold may include a manifold inlet in fluid communication with a source of feed liquid, an outlet in fluid communication with header of the filter module assembly, a fluid passageway in fluid communication with the manifold inlet, a source of gas, and the outlet, a second fluid passageway in fluid communication with the header and the first fluid passageway and a second manifold outlet vertically displaced from the first manifold outlet and in fluid communication between the first fluid passageway and the second fluid passageway.