A water filtration system is also disclosed. The water filtration system includes a regenerative media filter vessel, a filtrate line, a feed line, a recirculation line, a gas line, and at least one pump. A method of filtering water in a system comprising a regenerative media filter is disclosed. The method includes operating the system in a filtration mode, operating the system in a cleaning mode responsive to a differential pressure measurement across the regenerative media filter, operating the system in an aeration mode, operating the system in a pre-filtration mode after operating the system in the cleaning mode, operating the system in a drain mode, and operating the system in the filtration mode following the drain mode. A controller and non-transitory computer-readable medium having computer-readable signals stored thereon that define instructions that, as a result of being executed by the controller, instruct the controller to perform a method of operating a water filtration system are disclosed.

A fluid management system including an inlet configured to receive pre-processed fluid is provided. The system includes a filtering apparatus configured to remove contaminants from the pre-processed fluid. The filtering apparatus includes a plate having a first opening. A first manifold pipe is disposed on the plate and includes one or more perforations and a second opening at least partially aligned with the first opening. A second manifold pipe is disposed on the plate and includes one or more perforations. Filter media is disposed between the first manifold pipe and the second manifold pipe and is configured to separate the contaminants from the pre-processed fluid. The system also includes an outlet coupled to the second manifold pipe to receive processed fluid from the filtering apparatus.

A filter cartridge (5) with a housing enclosing a filter volume filled to about 80% with a filter granulate (15) is screwed into a joint (7) of a connecting piece (1) by means of a port (12) ending in an outflow opening (13) and being connected to an outlet line formed by a second fitting (3), and surrounded with a distance by a casing (4) that is screwed to the connecting piece (1). An inlet line formed by a first fitting (2) opens into an intermediate volume (6) lying between the casing (4) and the outer side of the filter cartridge (5) in such a way that untreated water enters into the outlet line via the intermediate volume (6) and through the bottom (9) which is perforated by slots (10), the filter granulate (15), the intermediate floor (11) that is likewise slotted and the port (12). In order to reduce the flow resistance, the port (12) is provided with bypass openings (14) to allow untreated water to pass also directly out of the intermediate volume (6) into the port (12).

The present disclosure a mechanical filter element (2) for forming a static filter pack (11) to perform mechanical filtration of a liquid. The mechanical filter element (1) has one or more filter cell (19). The present disclosure also relates to a mechanical filter apparatus (1) having a filter chamber (10) containing a plurality of mechanical filter elements (2) for forming the static filter pack (11) to perform mechanical filtration of a liquid. The mechanical filter apparatus (1) is configured to generate a flow of the liquid through the mechanical filter elements (2) during filtration to form the static filter pack (11). Furthermore, the present disclosure relates to a method of mechanically filtering a liquid. A plurality of mechanical filter elements (2) each comprising one or more filter cell (19) are disposed in a filter chamber (10). During filtration, the liquid flows through the filter chamber (10) to establish a static filter pack (11) of said mechanical filter elements (2) to mechanically filter the liquid.

Disclosed are a filter element and a filter device using the filter element. The filter element includes: a base, wherein the base is installed on the filter device, and a first passage and a second passage are disposed at least partially in the base; and a filter body, wherein the filter body is detachably connected to an upper part of the base, the filter body has a filter space therein, a first filter passage and a second filter passage are connected and arranged on the two ends of the filter space, and a filter material for filtration is provided in the filter space. When the filter element is in a working state, the first filter passage and the first passage are connected for fluid communication, and the second filter passage and the second passage are connected for fluid communication.

A fluid management system including an inlet configured to receive pre-processed fluid is provided. The system includes a filtering apparatus configured to remove contaminants from the pre-processed fluid. The filtering apparatus includes a plate having a first opening. A first manifold pipe is disposed on the plate and includes one or more perforations and a second opening at least partially aligned with the first opening. A second manifold pipe is disposed on the plate and includes one or more perforations. Filter media is disposed between the first manifold pipe and the second manifold pipe and is configured to separate the contaminants from the pre-processed fluid. The system also includes an outlet coupled to the second manifold pipe to receive processed fluid from the filtering apparatus.

A fluid management system can include a first chamber, a diffusion plate positioned in the first chamber configured to receive fluid and to direct the fluid along a bypass fluid flow path or a primary fluid flow path, a riser pipe positioned within the first chamber that conveys fluid from the diffusion plate into a second chamber, and a filtering apparatus positioned in the second chamber. The filtering apparatus can include a plate having a first opening, one or more modules coupled to the plate having one or more perforations and a second opening corresponding to the first opening, and filter media disposed adjacent to the one or more modules, and a slab positioned above the filtering apparatus.

A method of cleaning a regenerative filter having a filter housing having inlet and outlet zones, a fluid path provided between the inlet and outlet zones, and a plurality of filter elements each having an outer surface filter media applied thereto and functioning to filter particulate or contaminants from the fluid path, the method comprising draining all fluids from the filter housing, refilling the filter housing with fluid to an optimum level, and initiating a cleaning sequence of the filter housing with the fluid at the optimum level. The cleaning sequence can comprise agitating the tube sheet, initiating a pump to effectively air scour for a first predetermined amount of time, dwelling for a second predetermined amount of time, and repeating the agitating, initiating, and dwelling until a third predetermined amount of time is complete.

A fluid management system including an inlet configured to receive pre-processed fluid is provided. The system includes a filtering apparatus configured to remove contaminants from the pre-processed fluid. The filtering apparatus includes a plate having a first opening. A first manifold pipe is disposed on the plate and includes one or more perforations and a second opening at least partially aligned with the first opening. A second manifold pipe is disposed on the plate and includes one or more perforations. Filter media is disposed between the first manifold pipe and the second manifold pipe and is configured to separate the contaminants from the pre-processed fluid. The system also includes an outlet coupled to the second manifold pipe to receive processed fluid from the filtering apparatus.

A method of filtering water in a system comprising a regenerative media filter is disclosed. The method includes operating the system in a filtration mode, operating the system in a cleaning mode responsive to a differential pressure measurement across the regenerative media filter, and operating the system in a pre-filtration mode after operating the system in the cleaning mode. A water filtration system is also disclosed. The water filtration system includes a regenerative media filter vessel, a pressure sensor subsystem, a filtrate line, a feed line, a recirculation line, a plurality of valves, at least one pump, and a controller. The controller is configured to direct the water through the system. A method of facilitating filtration of aquatic or recreational facilities water is also disclosed. The method includes providing a water filtration system and providing a controller.