An improved bio-electrochemical wastewater treatment process and system (1) is disclosed. An electrode assembly (4) is defined by interconnecting a set of electrode modules (5). Each electrode module (5) has a first electrode of an anode-cathode pair coated with electrogenic microbes adapted to generate electrons via the consumption of organic matter in wastewater. An electrode module (5) has a second electrode of the anode-cathode pair, and a body, supporting and separating the first and second electrodes. Each electrode module (5) also comprises an interface for physically connecting the module with at least one other of the set.

In one aspect, a modular filter assembly for filtering fluid that flows in a flow direction therethrough is disclosed. The assembly includes a first housing section having a first filter element; a second housing section having a second filter element; and a connector disposed between the first and second housing sections. A housing includes the first housing section, the connector, and the second housing section. The flow direction is through the first and second filter elements in series.

A filter cartridge assembly for an ice making appliance having a rectilinear filter cartridge with a plurality of partitions that are positioned within an internal chamber, form multiple sub-chambers, and create a non-linear pathway for the flow of water through the filter cartridge. Filter media positioned in the sub-chambers of the filter cartridge are configured to remove dissolved solids from water travelling through the filter cartridge and used by the appliance to create ice, including clear ice.

A filter base for receiving a mating filter housing assembly having a base platform having fluid ingress and egress stanchions, and a wire harness assembly including a connector housing integral with or connected to the base platform for establishing an electrical connection between the filter base and the mating filter housing assembly. The wire harness assembly having conductors extending between first and second connectors, with one or more resilient contacts provided on the second connector. The contacts are flexible from a first position to a second position when curved contact sections of the one or more contacts engage a mating connection surface of the complementary mating filter housing assembly. The mating connection surface may be a circuit pad of a printed circuit board, wherein the contact curved contact sections are configured to be positioned in mechanical and electrical engagement with the circuit pads when the filter housing assembly is received within the filter base.

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 backflow preventer for water filtering equipment, the water filtering equipment has a plurality of filtering units, the filtering units are connected among each other via at a plurality of connectors connected by at least one hose and connected to a water source via the at least one of the connectors, at least one of the connectors has a check valve set, and the check valve set has a check valve and an unidirectional valve. The check valve has an elastic tube with a duckbill valve at one end and is connected to a base at another end, and the base has a socket sleeved onto the elastic tube. The unidirectional valve has a first main portion with a larger diameter and a second main portion with a smaller diameter, the diameter of the second main portion corresponding to an inner diameter of the socket of the check valve.

The T-head coupler is intended to perform a cleaning-in-place of a blackwater tank inside a recreational vehicle, using a mixture of water and a cleaning agent. To accomplish this, the device includes a unique arrangement of ports and distribution channels, wherein the ports on the device are designed specifically to couple with ports commonly found in RVs and water sources. In addition, a container filled with a cleaning agent is attached to the bottom port on the device. When all attachments are made, a plurality of channels within the device direct incoming water to the container. The water mixes with the cleaning agent inside the container, forming a cleaning solution. The cleaning solution flows out of the device, using the pressure from the water source. The cleaning solution then flows from the RV port and into the blackwater tank, thereby cleaning the tank.

A water purifying apparatus includes a head that is configured to couple to a filter and defines a water inlet and a water outlet, and a shaft provided inside the head, rotatably mounted between the water inlet and the water outlet, and having a filtering passage configured to connect the water inlet to the water outlet so that water introduced into the water inlet is discharged to the water outlet via the filter. The shaft includes a shaft inlet and a shaft outlet, which are opened to respectively communicate with the water inlet and the water outlet so as to define the filtering passage, and a water inlet blocking portion and a water outlet blocking portion, which are provided between the shaft inlet and the shaft outlet to shield opened surfaces of the water inlet and the water outlet.

An electrolysis cell and housing provides for simple, toolless cell installation and removal of the electrolysis cell. The electrolysis cell includes an anode and a cathode and requires periodic removal of the electrolysis cell from the housing for cleaning or replacement due to accumulation of deposits on the anode and the cathode. The electrolysis cell includes three push-in fluid connectors and two push-in electrical connections. A filter may be included serially between a water inlet and the electrolysis cell and may include two push-in fluid connectors. A housing rear cover may hold the electrolysis cell and filter in place in the housing and may be removed and reattached to access the electrolysis cell without tools.

A reverse osmosis apparatus for a seawater desalination system is provided. The reverse osmosis apparatus includes a barrel in which a plurality of vessels receiving reverse osmosis membrane units are arranged, a feed tank provided in an intermediate portion of the barrel and connected to a seawater inlet, a first water tank provided inside a first end portion of the barrel and connected to a plurality of first vessels connected to a first side of the feed tank, and a second water tank provided inside a second end portion of the barrel and connected to a plurality of second vessels connected to a second side of the feed tank.