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The Quarterly Review ; March edition, 1825
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| Number | Title | Issue Date |
| 8191871 | Diffuser for aeration Disclosed is a diffuser installation structure capable of improving uniformity of air bubbles discharged from air bubble discharge holes, restricting the formation of dead zone air bubble discharge holes, and having the tolerance against design deviation. In the ins... | 06/05/2012 |
| 7850151 | Diffuser for aeration Disclosed is a diffuser installation structure capable of improving uniformity of air bubbles discharged from air bubble discharge holes, restricting the formation of dead zone air bubble discharge holes, and having the tolerance against design deviation. In the ins... | 12/14/2010 |
| 7431833 | Flowable material vessel A vessel is provided for treating flowable materials and methods of use wherein the vessel has a substantially cardioid cross-sectional configuration with a central cusp defining two upper rounded lobes. A front and rear wall enclose the ends of the sidewall with on... | 10/07/2008 |
| 7416172 | Submerged gas evaporators and reactors A submerged gas processor in the form of an evaporator or a submerged gas reactor includes a vessel, a gas delivery tube partially disposed within the vessel to deliver a gas into the vessel and a process fluid inlet that provides a process fluid to the vessel at a ... | 08/26/2008 |
| 7377499 | Gas enrichment module The invention relates to a device for the gas enrichment of fluids, to a method for producing fluids that are enriched with gases and to the use of the aforementioned device in human and veterinary medicine and the pharmaceutical, foodstuff cosmetic and environmenta... | 05/27/2008 |
| 7347942 | Cyclic aeration system for submerged membrane modules An aeration system for a submerged membrane module has a set of aerators connected to an air blower, valves and a controller adapted to alternately provide a higher rate or air flow and a lower rate of air flow in repeated cycles. In an embodiment, the air blower, v... | 03/25/2008 |
| 7320459 | Apparatus for dispensing a vapour into an air flow An apparatus for dispensing a vapor of a liquid into a ventilation system includes a vessel for holding the liquid, a heater for heating the liquid in the vessel to form a vapor, and means for delivering the vapor into the air flow passing through a passageway of th... | 01/22/2008 |
| 7318901 | Device for oxygenating sea water A diffuser hose for oxygenation of water, in aquaculture installations for marine organisms in the sea. The hose (5) consists of a perforated hose (6), to which substantially pure oxygen is supplied, and at least one perforated hose for oxygen distribu... | 01/15/2008 |
| 7314572 | Methods of and apparatus for low-angle-tray settling with multi-zone configuration Settleable-particles are separated from a dirty flow of settleable-particles and fluid by trays having a planar section configured with opposed ends and opposed sides, and an entrance edge and an exit edge on opposed ends. The section has opposed side edges, and an ... | 01/01/2008 |
| 7284747 | Polygon shaped fluid diffuser A plurality of pipe diffuser sections are arranged in a three to seven sided polygon, which allows a fluid to flow through distribution piping and the pipe sections and diffuse, through openings in the walls of the pipe diffuser sections, into a body of fluid contai... | 10/23/2007 |
| 7279022 | Spiraltrap: devices and methods for the trapping particulate matter in exhaust and of other pollutants Embodiments of the present invention include methods and devices for trapping particulate matter suspended in exhaust from, for example, automotive diesel engines. Particulates carried in exhaust are actually a colloidal suspension of finely divided particulates in ... | 10/09/2007 |
| 7267766 | Method and apparatus for aerating a surface layer in a stratified liquid body A method and apparatus for aerating a surface layer in a stratified liquid body using a depth-adjustable, fine bubble, surface layer aeration unit comprising: a body comprising at least one hollow internal structure; | 09/11/2007 |
| 7255333 | Strip diffuser Membrane strip diffusers are disclosed, useful for example in aerating wastewater in activated sludge plants. These diffusers have membranes, diffuser bodies and gas conduits elongated in the same general direction. Such conduits may be attached to or formed integra... | 08/14/2007 |
| 7255332 | System and method for dissolving gases in liquids Apparatus and methods for dissolving a gas into a liquid comprises a saturation tank, a high pressure liquid pump in fluid communication with the tank, and a pressurized gas source in communication with a regulated gas head space of the saturation tank. The saturati... | 08/14/2007 |
| 7243911 | Substrate treating apparatus A substrate treating apparatus for performing a predetermined treatment of substrates includes a treating tank for storing a treating solution, a holder for holding a plurality of substrates arranged in one direction inside the treating tank, and a bubble generating... | 07/17/2007 |
| 7240897 | Mixing apparatus Mixing apparatus is disclosed suitable for the mixing and/or aeration of large bodies of water e.g. lakes or reservoirs. One particular use is in causing controlled destratification. Another area of use is in the aeration or oxygenation of liquid waste. The mixing a... | 07/10/2007 |
| 7199711 | Mobile floor cleaner data communication In a method of communicating data from a mobile floor cleaner to a remote receiver a data communication is initiated from a communicator of the mobile floor cleaner to the remote receiver and data is communicated to the remote receiver with the communicator. ... | 04/03/2007 |
| 7198175 | Manual or pump assist fluid dispenser Liquid soap dispensers including a vacuum relief valve which comprises an enclosed chamber having an air inlet open to the atmosphere and a liquid inlet in communication with liquid in the reservoir and in which the liquid inlet opens to the chamber at a height belo... | 04/03/2007 |
| 7198255 | Liquid bag, liquid bag mouth member, and method of producing the same An object of the present invention is to provide a liquid bag that makes bubbling possible with a simple structure without increasing the number of parts. The liquid bag according to the present invention includes: a bag main body for containing a liquid, the... | 04/03/2007 |
| 7198721 | Cyclic aeration system for submerged membrane modules An aeration system for a submerged membrane module has a set of aerators connected to an air blower, valves and a controller adapted to alternately provide a higher rate or air flow and a lower rate of air flow in repeated cycles. In an embodiment, the air blower, v... | 04/03/2007 |
| 7195233 | Aerator The invention relates to an aerator consisting of a porous plastic moulded body with pores that are smaller on the air outflow side (A) than on the air inflow side (B) lying opposite. The inventive aerator is particularly suitable for use in sewage treatment plants.... | 03/27/2007 |
| 7186343 | Cyclic aeration system for submerged membrane modules A process for supplying bubbles to a membrane module and cleaning an aerator producing the bubbles includes, in repeated cycles, steps of producing bubbles from an aerator and reducing pressure in the aerator such that water in the tank enters the aerator. ... | 03/06/2007 |
| 7172658 | Cleaning liquid dispensing in a mobile hard surface cleaner A hard surface cleaner includes a motorized scrub head, a fluid recovery device, a primary cleaning liquid component container, a cleaning agent container, a flow control device and a fluid flow path. The flow control device is configured to supply a flow of cleanin... | 02/06/2007 |
| 7168196 | External rotary device for mounting on a vehicle The present disclosure relates to a rotary device for external attachment to a vehicle, thereafter being operable for visually attracting attention to all or part of the vehicle, particularly when the vehicle is moving. In the most preferred embodiment, the rotary d... | 01/30/2007 |
| 7163571 | Exhaust gas cooler and particulate scrubbing system An exhaust gas cooling and particulate scrubbing system for automobiles includes a first stage intercooler for initial, indirect cooling of the exhaust gas and a direct exhaust gas cooling and scrubbing device preferably positioned downstream in the exhaust system t... | 01/16/2007 |
| 7156380 | Safe liquid source containers Containers for providing vapor phase reactant from liquid sources include bubbler designs and designs in which carrier gas flows over the liquid surface. Among the bubbler arrangements, a bypass conductance is provided to release excess pressure from the gas volume ... | 01/02/2007 |
| 7152851 | Steam injection heater with dual-sealing assembly A direct contact steam injection heater that includes a steam diffuser having a plurality of steam diffusion holes that are selectively exposed by a regulating member to control the amount of steam used to heat a liquid. The regulating member is movable within the s... | 12/26/2006 |
| 7144552 | Method and apparatus for preparing chemical solutions A chemical solution preparation apparatus for preparing a chemical solution from chemical gas of an industrial chemical grade. A dissolution unit dissolves the chemical gas in pure water, which is contained in a tank. A gas discharge control unit controls the amount... | 12/05/2006 |
| 7140558 | Mixing arrangement for atomizing nozzle in multi-phase flow The invention relates to an improved mixing arrangement for, primarily, moving bitumen in steam from sources of such bitumen and steam to a reactor or coker for further processing of the bitumen into petroleum products. The invention provides a main conduit connecte... | 11/28/2006 |
| 7137620 | Diffuser and an aeration apparatus equipped with such a diffuser A diffuser (10) having a body (12) with a blind bore (18) having a closed impaction end (22). Fluids are diffused radially from the body (12) through slots (26). The diffuser (10) is characterized by a central slot ( | 11/21/2006 |
| 7132050 | Apparatus for in-situ microbial seeding A method and apparatus is provided for the continuous microbial remediation of organic wastes in sewers and other waste-laden environments utilizing in-situ microbial seeding. A bio-reactor containing inoculated carrier media is suspended within a sewer wet-well or ... | 11/07/2006 |
| 7121532 | Aeration system for liquid An aeration tank used in a method of treating effluent includes a pipe for transporting the effluent from the source to the tank bottom and a discharge duct having a siphon effect for tapping off an overflow from the tank as more effluent is added from the source. A... | 10/17/2006 |
| 7118672 | Membrane supported bioreactor for municipal and industrial wastewater treatment A membrane supported biofilm reactor uses modules having fine, dense, non-porous hollow fibers made from Polymethyl pentene (PMP) formed into a fabric with the PMP as the weft. One or more sheets of the fabric are potted into a module to enable oxygen containing gas... | 10/10/2006 |
| 7100905 | Reactor for gas/liquid or gas/liquid/solid reactions A reactor (1) for gas/liquid or gas/liquid/solid reactions having a vertical longitudinal axis and an inlet (2) for a liquid or liquid/solid feed stream in the upper region of the reactor and an inlet (3) for a gaseous stream in the lower region... | 09/05/2006 |
| 7080828 | Clarification basin membrane A clarification basin membrane made of a polymeric, in particular, elastomeric material, which is rendered gas-permeable by a perforation, whereby a permanent gas permeability is effected by mixing a wast water biologically active inhibitor with the polymeric materi... | 07/25/2006 |
| 7069655 | Device and process for vertically extracting diffusers from a wastewater treatment tank A device and process for vertically extracting diffusers from a wastewater treatment tank where the diffusers are attached to a device having a lifting point and a pivot extraction point. The device and diffusers are lifted from the bottom of the tank until there is... | 07/04/2006 |
| 7051399 | Cleaner cartridge A cleaner cartridge includes a container having an interior cavity, in which cleaning agent can be stored. A first end of conduit is fluidically coupled to the interior cavity. A second end of the conduit is connectable to a chemical dispenser. ... | 05/30/2006 |
| 7048262 | Method and apparatus for injecting oxygen into fermentation processes A sparger for delivering fluid including a sparger pipe for carrying the fluid from a fluid source and downwardly directed nozzles to direct the delivery of fluid is disclosed. A substantially vertical connection pipe connects the sparger to the nozzles. Also, a met... | 05/23/2006 |
| 7025338 | Seal and pressure relief for steam injection heater A direct contact steam injection heater is placed directly in line with a flow of stock through a pipe. The steam injection heater includes a Mach diffuser having a plurality of steam diffusion holes and an adjustable steam-plug cover that is positioned within a sta... | 04/11/2006 |
| 7022236 | Membrane bioreactor, process and aerator A reactor has an aerobic tank, an anoxic tank and a sealed membrane tank with conduits for circulating mixed liquor between them. Permeation starts when the mixed liquor reaches a high level and stops when the mixed liquor reaches a low level. A sensor, for detectin... | 04/04/2006 |
