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| Number | Title | Issue Date |
| 7438804 | Coagulation treatment apparatus Provided are a coagulation treatment apparatus capable of removing fine objects of removal from a fluid containing the objects of removal, and a coagulation treatment method using the apparatus. A coagulation treatment apparatus for a fluid according to the present ... | 10/21/2008 |
| 7294270 | Method of treating photographic waste liquid A photographic waste liquid treatment method comprises an electrolytic oxidation treatment for photographic waste liquid. ... | 11/13/2007 |
| 7128872 | Method and apparatus for ozone sterilization The sterilization method disclosed includes the steps of providing a sterilization chamber; placing the article into the sterilization chamber; equalizing the temperature of the article and the | 10/31/2006 |
| 6923901 | Non-chemical water treatment method and apparatus employing ionized air purification technologies for marine application Contaminated water, particularly, ballast water, blackwater, galley water, accommodation water, laundry water, fresh water and seawater, is disinfected by admixture of a highly reactive gas stream containing ions of oxygen and nitrogen, formed by exposure of air to ... | 08/02/2005 |
| 6902678 | Bilge water reclamation system and process A system and method for treating and removing hydrocarbon and other contaminants in bilge and ballast water, utilizing a multiple progressive process that chemically and electrically treats-and removes contaminants. Wastewater, received by a sump, is transmitted to ... | 06/07/2005 |
| 6551518 | Combined ozonation and electrolytic chlorination water purification method A water purification system for a swimming pool, pond, aquatic mammal tank, spa or fountain, which is simple to operate, low in maintenance, and highly reliable. The system takes advantage of synergistic benefits derived from the combination of ozonation ... | 04/22/2003 |
| 6482327 | Liquid treating process and apparatus, as well as liquid treating system In a liquid treating process according to the present invention, colloidal particles in stable hydrated states or in meta-stable hydrophobic colloidal states in a liquid are rendered hydrophobic and separated from liquid molecules by an electric field for... | 11/19/2002 |
| 6332972 | Decontamination method and system, such as an in-situ groundwater decontamination system, producing dissolved oxygen and reactive initiators An apparatus for decontamination contaminated groundwater in-situ by increasing the quantity of dissolved oxygen in the contaminated groundwater and generating reactive initiators to remediate the contaminated groundwater. The apparatus includes a submers... | 12/25/2001 |
| 6325916 | Waste water treatment method and apparatus A method for separating contaminants from a aqueous source containing contaminants. In one embodiment, the method involves the use of a high powdered oxidant dissolved within the aqueous system. The gas is dissolved within a reservoir in the aqueous solut... | 12/04/2001 |
| 6315887 | Device and method for the purification of polluted water A device for the purification of polluted water, especially adapted to remove therefrom organic pollutants. The device makes use of a reactor wherein the polluted water is subjected to the combined action of an ozone containing gas in the presence of an o... | 11/13/2001 |
| 6277288 | Combined ozonation and electrolytic chlorination water purification method A water purification system for a swimming pool, pond, aquatic mammal tank, spa or fountain, which is simple to operate, low in maintenance, and highly reliable. The system comprises at least an ozonator and an electrolytic chlorinator. The system prefera... | 08/21/2001 |
| 6132590 | Electrolytic process for treating aqueous waste streams An electrochemical process for the production of a hydroxide solution and a sulfate by the electrolysis of a waste aqueous mixture of oxidizable sulfur impurities in the anode compartment of at least one electrolytic cell while producing a hydroxide solut... | 10/17/2000 |
| 6080300 | Electrolytic process for generation of low-sulphate ferric hydroxide suspensions to effect purification of wastewater The present invention is directed to a process for treating wastewater which comprises producing a ferric hydroxide suspension directly by electrolysis of the wastewater to precipitate heavy metals and organic or inorganic suspended solids thus purifying ... | 06/27/2000 |
| 5928490 | Laundry wash process and waste water treatment system An improved laundry treatment system comprises a washer which is connected to discharge used water to a tank for filtration and recirculation to the washer, and a tank containing water for making up losses in the wash cycle, and an electrolytic cell there... | 07/27/1999 |
| 5832393 | Method of treating chelating agent solution containing radioactive contaminants Although a chelating agent solution having radioactive contaminants is solidified by mixing with cement and then stored, a vast storage place is required for storing an enormous amount of chelating agent solution. When such a chelating agent solution is t... | 11/03/1998 |
| 5728303 | Electro-coalescence/magnetic separation (ECMS) system and components for removal of contaminants from water streams, including desalinization An improved electro-coalescent/magnetic separation (ECMS) system for removing contaminants from water, including desalinization, comprises a device for exposing a stream of water to be treated to an electric field, followed by introduction of ionized coag... | 03/17/1998 |
| 5685994 | Method for water treatment and purification using gas ion plasma source and disinfectant metal ion complexes A system for disinfecting water streams comprises a source of ionized plasma, that is, a stream of air including ionized oxygen and nitrogen gas atoms and molecules, ozone, and singlet molecular oxygen, and an additional source of metal ions. The gas plas... | 11/11/1997 |
| 5658450 | Method of and device for industrial waste water treatment Waste water is purified by passing through a vessel in which small particles of insoluble cathodes interact with anodes to form galvanic couples. During this process, chemical reduction of ions of heavy metals in the water occurs by ions and hydroxides fo... | 08/19/1997 |
| 5635059 | Method and apparatus for water treatment and purification using gas ion plasma source and disinfectant metal ion complexes A system for disinfecting water streams comprises a source of ionized plasma, that is, a stream of air including ionized oxygen and nitrogen gas molecules, including ozone, and an additional source of metal ions. The gas plasma is introduced into the wate... | 06/03/1997 |
| 5603843 | Electrical water purification devices and methods An apparatus for water treatment, and in particular for electrical water purification in combination with a filtering apparatus for providing purified water for drinking and other application common in the home, farm or business. Metal, hydrogen and oxyge... | 02/18/1997 |
| 5328584 | Passive circulation in electrolytic fluid treatment systems A fluid system (10) is disclosed including a filter system (16) for the moving contaminants from fluid provided by a fluid source (12) to a supplied environment (14). The filter system includes an electrolytic or electrostatic cell (26) which is operated ... | 07/12/1994 |
| 5245111 | Method and apparatus for treatment of liquid photographic processing wastes A method and an apparatus for treatment of liquid wastes from photographic processes are described, in which the wastes to be treated are (a) subjected to an oxygen oxidation as well as (b) an ozone oxidation, (c) optionally from the oxidized wastes halide ions are... | 09/14/1993 |
| 4310396 | Method for desalination of water, in particular sea water A method for desalination of sea water using a main electrochemical generr which has an anode compartment through which the water to be desalinated is fed and which causes formation in the solution of chlorates and perchlorates, removal of the latter bei... | 01/12/1982 |
| 4212724 | Oxidation and coagulation for aquarium applications The invention relates to an oxidation and coagulation apparatus and method especially suitable for use with aquariums (especially salt-water aquariums). Water is withdrawn from the aquarium by a pump, and is fed into the oxidizer and coagulator. The oxidi... | 07/15/1980 |
| 4210502 | Process for recovery of waste H2 SO4 and HCl This invention relates to a process for recovery of waste H2 SO4 and HCl which are used for pickling metallic materials and articles and contain a large quantities of Fe ions. Furthermore, it offers a process for the recovery of H | 07/01/1980 |
| 4177119 | Process for recovery of waste H2 SO4 and HCl This invention relates to a process for recovery of waste H2 SO4 and HCl which are used for pickling metallic materials and articles and contain a large quantities of Fe ions. Furthermore, it offers a process for the recovery of H | 12/04/1979 |
| 4159931 | Color-television screen-coating room A method and an arrangement for separating a red rare-earth phosphor of a color-television picture tube from the sediment in the drain channels of a screen-coating room, which sediment contains, in addition to various impurities, zinc-sulfide-base and zin... | 07/03/1979 |
| 4123345 | Liquid treating apparatus A filter method and apparatus removes tramp oils and fine particulate contaminants from an electrically conductive liquid coolant which is utilized in metal forming, or other comparable, operations. The disclosed method includes flowing the liquid coolant... | 10/31/1978 |
| 4113588 | Process for recovery of waste H2 SO4 and HCl This invention relates to a process for recovery of waste H2 SO4 and HCl which are used for pickling metallic materials and articles and contain a large quantities of Fe ions. Furthermore, it offers a process for the recovery of H | 09/12/1978 |
