A method and apparatus for the removal of both suspended and dissolved contaminants in a fluid stream, including but not limited to heavy metals, organics, inorganics, hydrocarbons and others. The method combines passing an aqueous fluid stream through an electromagnetic field, an ozone/oxygen venturi injector for oxidation and through a horizontal flow and vertical fall within a horizontal plate maze unit of alternately electrically charged plates. The plates are charged alternately to be cathodes and anodes, respectively. A framework to mount and support membranes, dividers or separators, as may be required to enhance special treatment of the fluid stream, is optionally provided.

Pond filter unit and a method for operating a pond filter unit (1). A control unit (12) controls the operation of the pond filter unit (1), including the cleaning cycle of the filter (2′, 2″, 2′″). The pond filter unit (1) further comprises one or more plugs (14) for connecting one or more auxiliary devices, such as a separate pump, one or more additional pond filter units, illumination devices/lamps, air pumps, and/or feed automats. The control unit (12) of the pond filter further controls the one or more auxiliary devices connected to the plugs (14), such as pumps, air pumps, automatic feeding devices based on input settings for each of the one or more auxiliary devices. The control unit (12) further controls the cleaning cycle for cleaning of the filter (2) in the vessel (3). The cleaning cycle comprises a sequence of backwash and/or a mechanical filter cleaning sequence where a filter cleaning motor unit (6) rotates the filter cleaning device (7) in the vessel. During backwash, the valve (8) directs the water to the waste water outlet (11). The filter unit allows to control the one or more auxiliary devices by the pond filter control unit (12), and to coordinate the control of the additional devices in relation to the control of the filter.

The present invention relates to an apparatus (1), suitable for preparing and dispensing a flocculant solution to dewatering an aqueous process stream (4), wherein the apparatus (1) comprises a mixing pump (5) that mixes the flocculant solution and builds up a pressure onto the flocculant solution, and a maturing pressure tank (2), whereby the maturing pressure tank (2) is fluidly connected with the mixing pump (5), so that the pressurized diluted flocculant solution (3) is led from the mixing pump (5) into the maturing pressure tank (2) and matured therein under pressure that is above atmosphere pressure.

A water treatment device is provided with a separation membrane device having a separation membrane for concentrating dissolved components and dispersed components from water to be treated and obtaining permeated water; a first deposit detecting unit provided in a non-permeated water branch line branched from a non-permeated water line for discharging non-permeated water in which dissolved components and dispersed components have been concentrated, using part of the non-permeated water that has branched off as a detection liquid, and having a first separation membrane for detection in which the detection liquid is separated into permeated water for detection and non-permeated water for detection; and first flow rate measuring devices for separated liquid for detection that measure the flow rates of one or both of the permeated water for detection and the non-permeated water for detection separated by the first separation membrane for detection.

A system for providing treated water includes a water treatment unit including an inlet water quality probe, a worker bed, a probe to measure a parameter of water from the worker bed, a polisher bed connected downstream from the worker bed and having a probe to measure a parameter of water from the polisher bed, and a flow meter upstream of the worker bed or downstream of the polisher bed. A controller in communication with the flow meter and the probes is configured to receive data from same. A remote server in communication with the local water treatment unit is configured to receive data from the local water treatment unit. The controller or the server may determine a cumulative flow total, a billing cycle flow total, a current exchange flow total, a contaminant load, or a remaining capacity of the water treatment unit.

A water treatment system can generate ozonated water using a vacuum operated injector with reduced vacuum switch lockup. The water treatment system includes an ozone generator, an ozone injector, a vacuum switch, and a pressure regulator. The ozone generator is configured to generate ozone. The ozone injector is coupled to the ozone generator via a hermetically sealed tubing, and the ozone injector is configured to inject the ozone into a water flow passing through the ozone injector. The vacuum switch is configured to operate the ozone generator based on a gaseous pressure inside the hermetically sealed tubing generated by the ozone injector. The pressure regulator is configured to regulate the gaseous pressure inside the hermetically sealed tubing to prevent the vacuum switch from trapped in a triggered state after the water flow stops.

An ocean wave-driven sea water desalination plant employs ocean bottom mounted and hinged flaps driven in oscillating motion by wave surge force to drive rotary pumps which directly pressurize filtered sea water for use by a reverse osmosis (RO) plant and a hydraulic motor-generator set which provides electrical power to RO plant peripheral devices. Means are provided to control the filtered sea water pressure presented to the RO membranes to a preferred set point value. Means are also provided to control the pump reaction torque presented to the flap independently of water pressure by adjusting the effective pump displacement with a pulse width modulated valve shunting the pump ports to maximize captured wave power. Control of pump reaction torque may be effected slowly according to average sea state conditions or in real-time to further enhance captured wave power.

A system for filtering produced fluid from a wellbore comprises a filter system, a solids collection vessel in fluid communication with a drain in the filter system, and a fluid line coupled to the solids collection vessel. The filter system comprises a housing defining a chamber, a filtration device disposed within the chamber, a fluid inlet disposed in the housing and configured to receive a fluid comprising suspended solids into an inlet portion, a fluid outlet disposed in the housing and configured to pass the fluid out of the housing from an outlet portion, and a drain in fluid communication with a lower portion of the housing and configured to pass at least a portion of the suspended solids out of the inlet portion of the housing.

Systems for counter top and under the counter use having a self contained reverse osmosis filter system having a manifold assemble under which parts of the self contained reverse osmosis filter system are attached, and a raw water pressure regulator also attached under the manifold assembly, the raw water pressure regulator having an inlet for coupling to a source of raw water and an outlet coupled to the inlet for the self contained reverse osmosis filter system, whereby the ratio of product water to waste water may be maximized under normal operating conditions without clogging the self contained reverse osmosis filter system if the pressure of the source of raw water is high.

According to one embodiment, an amine-containing water concentration system includes an osmotic pressure generator and a carbon dioxide introducing unit. The osmotic pressure generator includes a treatment vessel, a first chamber to which the water to be treated is supplied, a second chamber capable of storing a working medium, and a semipermeable membrane that partitions the first chamber and the second chamber, which are located in the treatment vessel. The carbon dioxide introducing unit is capable of introducing carbon dioxide into the water to be treated.