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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Application No. | Application Title | Issue Date |
| 20110278220 | COILED CONTINUOUS FLOW WATER TREATMENT APPARATUS AND METHOD The present invention is a wastewater treatment system utilizing a recirculating filter system comprising sand, gravel, or synthetic media. Septic effluent is continuously, or approximately continuously, dosed under pressure to the treatment media through pressure compe... | 11/17/2011 |
| 20110127215 | Method and apparatus for the bio-remediation of aqueous waste compositions Numerous different types of waste compositions generally in an aqueous environment are bio-remediated under aerobic conditions utilizing highly diverse and multiple microorganisms within a reactor. The process is carried out with the microorganisms attached or bound by ... | 06/02/2011 |
| 20110100905 | RIVER WATER PURIFICATION APPARATUS AND METHOD USING TREATMENT SOIL LAYER AND PERMEABLE FILTERING MEDIUM LAYER Provided are an apparatus and a method for river water purification using a treatment soil layer and a permeable filtering medium layer. The river water purification apparatus includes a treatment soil layer and a permeable filtering medium layer which are sequentially ... | 05/05/2011 |
| 20110024352 | Water Treatment Process for the Reduction of THM & HAA Formation Disclosed herein are systems and process integrating the chemical-free oxidation of a photocatalytic decontamination process with a biological decontamination system to eliminate the THM and HAA precursors in drinking water. In one embodiment, a system may comprise a so... | 02/03/2011 |
| 20110017663 | SYSTEM AND METHOD FOR SIMULTANEOUS BIOLOGICALLY MEDIATED REMOVAL OF CONTAMINANTS FROM CONTAMINATED WATER A system and method for simultaneous biologically mediated removal of contaminants (including at least arsenic or nitrate) from water are disclosed herein. The system includes i) a bioreactor having a length suitable for housing at least three different microbial popula... | 01/27/2011 |
| 20110011797 | BIORETENTION SYSTEM AND METHOD A bioretention system and method are provided for removing phosphorus, nitrogen and other materials from effluent such as wastewater and stormwater. The system and method can include a filtration media comprising water treatment residuals and other fill such as soil. Pl... | 01/20/2011 |
| 20100276364 | WASTEWATER TREATMENT SYSTEM AND METHOD An aerobic treatment unit is disclosed. The unit provides a tank with an influent end and an effluent end. A growth media is between the influent and effluent ends. An aeration chamber with a diffuser plate is disposed near the influent end. At least one pump moves surf... | 11/04/2010 |
| 20100243560 | Biological Filter for Treating Waste Effluent The invention concerns a filter whereof the reactor comprises: in its bottom part, an inlet for the effluents to be filtered and an outlet of oxygenated gas; in its upper part, an outlet for the filtered effluents; filtering means including media layers and an attached ... | 09/30/2010 |
| 20100213122 | Waste Water Treatment The present invention relates to wastewater treatment in general and to methods of controlling odors and degrading compounds contained in wastewater in particular.... | 08/26/2010 |
| 20100059438 | VERTICAL-HORIZONTAL FILTER UNIT FOR THE BIOLOGICAL PURIFICATION OF POLLUTED WATER The present invention relates to a vertical-horizontal filter unit for the biological purification of polluted water, comprising an upper zone of a soil patch planted with plants, having inlets for the polluted water, and arranged underneath a sand layer with a lower fi... | 03/11/2010 |
| 20100006500 | Saf System and Method Involving Specific Treatments at Respective Stages A wastewater treatment system comprising one apparatus (1) for de-nitrification and effluent solids removal, another apparatus (2) for biological main treatment, and a further apparatus (3) for solids removal (5), each apparatus including a v... | 01/14/2010 |
| 20090294356 | BACKWASHING UNSATURATED WASTEWATER FILTER A compact high efficiency combined biological and physical unsaturated wastewater treatment filter configured for periodic backwashing is disclosed. The filter utilizes packed media and removes pollutants and pathogens from wastewater and other dirty water sources. The ... | 12/03/2009 |
| 20090230057 | TERTIARY SYSTEM AND PROCESS FOR TREATING A LIQUID EFFLUENT FROM AN ONSITE DOMESTIC SECONDARY TREATMENT UNIT Described are a tertiary disinfection system and process for treating a liquid effluent from a domestic secondary treatment unit. The liquid effluent has pathogenic micro-organisms, remaining suspended solids and dissolved organic pollutants. The system has an inlet, a ... | 09/17/2009 |
| 20090211970 | PROCESS AND REACTOR FOR ANAEROBIC WASTE WATER PURIFICATION The invention is directed to a process for the anaerobic purification of waste water using a sludge bed system, which process comprises feeding waste water and recycle water to the lower part of an upflow reactor containing mainly granular biomass thus producing biogas ... | 08/27/2009 |
| 20090127190 | WATER TREATMENT PROCESS A water treatment process comprising: (a) providing bioactive material in waste water, the bioactive material containing microorganisms capable of removing one or more impurities from the waste water, wherein at least 40% by volume of said bioactive material in said was... | 05/21/2009 |
| 20090071900 | Submerged Fixed Film Anoxic Bioreactor A constant velocity serpentine anoxic reactor incorporates a multiple cell vertical serpentine path, as well as a horizontal serpentine path, through the anoxic chamber. A fixed film media is mounted within each cell of the anoxic chamber to provide a structure on which... | 03/19/2009 |
| 20090039017 | Packing for a Bioreactor There is disclosed a packing for a bioreactor in a small sewage treatment works for the degradation of organic and/or inorganic pollutants in effluent water. Said packing comprises an enlarged surface, achieved by the use of a special paper. Said paper is folded and arr... | 02/12/2009 |
| 20090014383 | On/off site water reclamation system This on/off-site WATER RECLAMATION SYSTEM is disclosed suitable for domestic or other sewage. After separation of the settleable solids, the effluent is passed into a basin holding particles of a media through (around) which the effluent travels. The media beds substant... | 01/15/2009 |
| 20080290025 | Combination Membrane/Biolytic Filtration Described herein are methods and systems for combination membrane/biolytic filtration. In one embodiment a filtration system is operated under suction. The arrangement includes a feed tan (5) having a smaller filtrate vessel (6) positioned therein. The reg... | 11/27/2008 |
| 20080179240 | Portable wetlands The present invention includes a portable Sub-Surface Flow Constructed Wetlands system for removing pollutants from a body of water. The portable wetlands system includes a sealed container having pipes for the inflow and outlet of the water. The system also includes a ... | 07/31/2008 |
| 20080099397 | METHOD AND SYSTEM FOR INOCULATING BACTERIA IN CONTAMINATED WATER USING EARTHWORM HUMUS A system for treating liquids by forming bacteria flora using earthworm humus is disclosed. In some embodiments, the system includes a containment tank for receiving a contaminated liquid distributed through an opening into the tank, the containment tank further includi... | 05/01/2008 |
| 20080093293 | Fluid Bed Expansion and Fluidisation Method and apparatus in which a biomass is carried on a substrate that is fluidised. The fluidised substrate has a layer of distributor particles below it, through which the fluidizing medium passes prior to contact with the fluidised substrate and biomass associated th... | 04/24/2008 |
| 20080011677 | Wastewater treating system A wastewater treating system includes: a vessel defining a vessel space therein, the vessel space being partitioned into an activated sludge zone that is adapted to receive waste water and a body of an activated sludge therein, and a coarse filtering zone that is dispos... | 01/17/2008 |
| 20070289922 | Modular wastewater treatment system A Modular Wastewater Treatment System is disclosed suitable for municipal, domestic and commercial sewage. After separation of the settable solids of the wastewater in the collection system or septic tank or other means the effluent is passed by gravity to the Alternati... | 12/20/2007 |
| 20070278150 | System and methods for biological selenium removal from water A biological system for removing selenium from waste water comprises a first immobilized cell bioreactor (ICB) and a selenide removal module. The first ICB comprises a chamber having a substrate housed therein and situated to contact the waste water flowing therethrough... | 12/06/2007 |
| 20070267346 | Process for autotrophic perchlorate reduction using elemental sulfur and mollusk shells The invention relates to a system and method to reduce perchlorate in wastewater utilizing perchlorate-reducing bacteria, sulfur as an electron donor and mollusk shells as alkalinity agent. Embodiments of the invention include a perchlorate-reduction system comprising a... | 11/22/2007 |
| 20070262019 | Process for autotrophic denitrification using elemental sulfur and mollusk shells The invention relates to a system and method to remove nitrogen, particularly nitrate, from wastewater utilizing denitrifying bacteria, sulfur as an electron donor and mollusk shells as alkalinity agent. Embodiments of the invention include a denitrification system comp... | 11/15/2007 |
| 20070227972 | Biofilter and method for filtering a waste liquid The biofilter is used for the purification of a waste liquid using layers of filtering material, wherein the waste liquid moves downwardly by gravity while an O2-containing gas moves upwardly therein. The biofilter comprises a gas collector to capture at leas... | 10/04/2007 |
| 20070199895 | Method for treating septic tank effluent A method for treating the liquid effluent from a septic tank is disclosed, as is apparatus in which the method can be practiced. The method involves pumping the effluent to the bottom of a treatment vessel packed with pebbles, glass beads or the like to fill the vessel ... | 08/30/2007 |
| 20070193950 | Process for treatment of organic contaminated water The present invention may be used in methods for treatment of drinking water contaminated with algal metabolites. An inflow of water in a drinking water treatment facility may have multiple types of algal metabolites wherein each algal metabolites has a concentration of... | 08/23/2007 |
| 20070119777 | Process for treatment of organic contaminated water The present invention may be used in methods for treatment of drinking water contaminated with algal metabolites. An inflow of water in a drinking water treatment facility may have multiple types of algal metabolites wherein each algal metabolites has a concentration of... | 05/31/2007 |
| 20070114176 | Water treatment method and water treatment apparatus In a water treatment apparatus, microorganisms propagating on wood charcoal are activated by micro-nano bubbles contained in treatment water. Water treatment is carried out with the activated microorganisms propagated on the wood charcoal. Thereby, a stable treatment is... | 05/24/2007 |
| 20070114182 | Wastewater treatment system for a marine vessel A wastewater treatment system for use on a marine vessel comprising an aerobic fixed film biological reactor, a tubular flocculator and a dissolved air flotation (DAF) unit. The process units desirably include means for reducing erratic movement of the wastewater due to... | 05/24/2007 |
| 20070108124 | Method and a plant for waste water treatment A method and a plant for waste water treatment. A method for purifying waste comprising the steps: a) storing waste water; b) optionally removing phosphorous compounds; c) leading the waste water to a first aerated biodegrading zone (7); d) leading waste water fr... | 05/17/2007 |
| 20070075018 | Method and product for the residential and commercial aquatic environment A product and a method for treating a body of water having organic and ammonia impurities therein. The product consists of a filter media having been pre-colonized with microorganisms capable of organic oxidation (organic removal) and a media having been pre-colonized w... | 04/05/2007 |
| 20070062868 | Method and system for filtration of wastewater A system (10) comprising multiple units (40a-40h) and method for filtration of wastewater (20) is disclosed. Simultaneous denitrification of a single filter unit and normal filtration of the remaining filter units is provided fo... | 03/22/2007 |
| 20070056903 | Filtration system A filtration system comprises a filtration container housing filter media treated to reduce waste in water pumped into the filtration container. An impeller is mounted on the filtration container and forces water and filter media within the container to move within the ... | 03/15/2007 |
| 20060283795 | System And Method For Treating Wastewater Using Coir Filter A wastewater treatment system includes a septic tank having a discharge in flow communication with one or more biofilter containers having filter media therein. Wastewater or effluent from the septic tank is allowed to contact the filter media and each container include... | 12/21/2006 |
| 20060254978 | Apparatus and method for the treatment of waste A waste treatment system suitable for domestic use and capable of producing water suitable for recycling within the household. The system includes a bioreactor (30) and a decomposition chamber (16). The bioreactor (30) is adapted to digest liquid-ba... | 11/16/2006 |
| 20060249452 | Combination trickling filter and overflow tank for secondary treatment of wastewater, and associated method of managing wastewater overflow A method and apparatus for controlling water flow in a wastewater treatment plant is provided. The method comprises the steps of providing a trickling filter effluent water basin having filter media provided over a storage space for water. Water outlet flow from the bas... | 11/09/2006 |
