The present invention relates to shallow water subsea desalination system with a subsea desalination template (20) located on a seabed. A retrievable subsea RO-module (4) is located in a subsea RO-module zone (23) of the subsea desalination template (20) and is connected to a RO-module connection. A seawater booster pump assembly (1) includes a seawater inlet (7) and an outlet in fluid connection with a seawater inlet side of the RO-cartridge assembly. A retrievable subsea booster module (2) includes the seawater booster pump assembly (1). A pressure regulator (11) is in fluid connection with a retentate side of the least one retrievable subsea RO-module (4).

A cap removal device is adapted to remove end caps from water pump devices. The cap removal device has a cap remover that is adapted to be secured to the end caps of pressure vessels. The cap removal device further has a honed tube that is adapted to stabilize the cap removal device and the end cap during removal of the end cap thereby preventing cross-threading. The cap removal device also has a puller handle that is adapted to make removal of the end cap more efficient.

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.

Filtration head (1) for a filter system, comprising base (2) including filter support (3) for removable filter element (4) and a fluid path from one side of filter element (4) on filter support (3), through filter element (4), and to drainage outlet (5) of base (2), and holder device (6) for removably attaching funnel (7) to base (2) to form a sample fluid reservoir on one side of filter element (4), wherein holder device (6) comprises ring-shaped element (8) configured to extend about bottom peripheral flange (7a) surrounding a lower end of funnel (7) and to selectively apply a biasing force on a radially outward protruding portion (7b) of bottom peripheral flange (7a) of funnel (7) to press funnel (7) against base (2). The filtration head allows the use of cardboard funnels without risk of liquid leakage between the funnel and the base.

A sanitizing filter for sanitizing a residential water filtering system has a water filter assembly including a cartridge operable for removable attachment to the water filter assembly. When the cartridge is attached to the water filter assembly, a water flow passes into the cartridge, mixes with sanitizing media within the cartridge, and passes back into the water filter assembly. The residential water filtering system is then filled and flushed repeatedly and the mixture of water and sanitizing media sanitizes the portions of the system that are downstream from the sanitizing filter.

The invention relates to a method for uninstalling a filter element from a pipeline, said filter element having a substantially central opening and an outer contour that substantially corresponds to an inner contour of said pipeline, wherein: a tool is inserted into said substantially central filter element opening, which opening runs in the longitudinal axial direction of said filter element, said tool is subsequently enlarged in at least one subsection of its peripheral surface in an extension running substantially perpendicularly to the longitudinal axial direction of the filter element, and is force and/or form-fittingly connected to an inner lateral surface of the substantially central filter element opening, said filter element finally being pushed with the tool in the longitudinal axial direction until the filter element projects out of the pipeline and is removed from the pipeline.

A lifting set includes a lifting apparatus and a water treatment device. In lifting the water treatment device, an engaging member attached to a first attaching position of a frame of the lifting apparatus pivots in a first direction by sliding along a corresponding engageable portion of the water treatment device as the lifting apparatus approaches the water treatment device, and then automatically engages with the engageable portion by pivoting back to a vertical position by weight thereof while the lifting apparatus is further lowered. In installing the water treatment device, the engaging member attached to a second attaching position engages with the engageable portion at a pivoted position pivoted in a second direction, and when the lifting apparatus is further lowered after installation, the engaging member automatically disengages from the corresponding engageable portion by pivoting back from the second pivoted position to the vertical position by weight thereof.

An automated modular filtration system, particularly for low volume tangential flow filtration processes, comprises a plurality of filtration modules formed as separate assemblies and at least one control unit for jointly controlling filtration processes of individual filtration units. Each filtration module contains at least one individual filtration unit for executing a filtration process independent of the other filtration units, first input ports for receiving a first type of fluids, second input ports for receiving a second type of fluids, and exit ports for outputting unused system fluids. First type fluids are process fluids are specific to the filtration processes executed in individual filtration units. Second type fluids are system fluids not specific to filtration processes executed in the individual filtration units. The second input and exit ports establish inter-module connections so system fluids can be forwarded from one filtration module to an adjacent filtration module of the filtration system.

The invention relates to processes for the production of capillary dialyzers. The processes involve thermoforming of bundles of hollow fiber membranes. The disclosure also relates to an apparatus for thermoforming bundles of hollow fiber membranes.

A lifting set includes a lifting apparatus and a water treatment device. In lifting the water treatment device, an engaging member attached to a first attaching position of a frame of the lifting apparatus pivots in a first direction by sliding along a corresponding engageable portion of the water treatment device as the lifting apparatus approaches the water treatment device, and then automatically engages with the engageable portion by pivoting back to a vertical position by weight thereof while the lifting apparatus is further lowered. In installing the water treatment device, the engaging member attached to a second attaching position engages with the engageable portion at a pivoted position pivoted in a second direction, and when the lifting apparatus is further lowered after installation, the engaging member automatically disengages from the corresponding engageable portion by pivoting back from the second pivoted position to the vertical position by weight thereof.