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7399366 |
Product and processes for preventing the occurrence of rust stains resulting from irrigation systems using water containing iron ions and for cleaning off rust stains resulting from using said irrigation systems
Several products and processes for preventing the occurrence of rust stains resulting from irrigation systems using water having iron ions, such as well water, and for cleaning off rust stains...
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7273558 |
Method and device for reducing scale formation and/or corrosion in systems which conduct liquids
The invention relates to a method and a device for reducing scale formation and/or corrosion in systems which conduct liquids or are in contact with liquids. According to the invention, this is...
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7267778 |
Device and process for treating a liquid medium
A device for treating liquid medium has an ultrasound emitter located relative to a compartment of a container holding a liquid medium and a microbubble emitter located relative to the compartment....
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7252769 |
Use of cerium salts to inhibit manganese deposition in water systems
Methods to control manganese deposition in an aqueous system, which include introducing a cerium-containing composition, and optionally another deposit control agent, to the aqueous system, are...
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7250110 |
Electro-kinetic water conditioning
A method for treating hard water comprising the steps of flowing water containing suspended colloidal mineral particles through a confined treatment zone, applying an electrical potential across...
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7135118 |
Method for treatment against corrosion and depositions in domestic supply water stallations
The invention concerns a method for preventive treatment of corrosion, oxidation and/or depositions in domestic supply water distribution circuits, comprising steps which consist in: a diagnosis...
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7122148 |
Cooling water scale and corrosion inhibition
A methods of the present invention for inhibiting silica scale formation and corrosion in aqueous systems where soluble silica residuals (SiO 2 ) are maintained in excess of 200 mg/L, and source...
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7097771 |
In-tank time release ion exchange resin containing a fuel additive
The invention provides a device containing an ion-exchange resin to which is chemically bound a fuel additive material which will gradually be released from the resin into a fuel in which the...
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6998092 |
Cooling water scale and corrosion inhibition
A methods for inhibiting silica scale formation and corrosion in aqueous systems where soluble silica (SiO 2 ) can be maintained at residuals below 200 mg/L, but more preferably maintained at...
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6974544 |
Membrane filtration
A method for membrane filtration of effluent water containing suspended matter reduces membrane clogging and improves filtration capacity of the membrane. The method includes adding a dose of a...
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6960321 |
Sterilization of fire sprinkler systems
New and in-use fire sprinkler systems can be sterilized by employing antimicrobial gases. The gases include steam, oxygen, and chlorine. Water added to the system after sterilization can be...
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6949193 |
Cooling water scale and corrosion inhibition
A methods for inhibiting silica scale formation and corrosion in aqueous systems where soluble silica (SiO 2 ) can be maintained at residuals below 200 mg/L, but more preferably maintained at...
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6929749 |
Cooling water scale and corrosion inhibition
A methods of the present invention for inhibiting silica scale formation and corrosion in aqueous systems where soluble silica residuals (SiO 2 ) are maintained in excess of 200 mg/L, and source...
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6881231 |
Reduction in mineral salt deposition
A composition for reducing deposition of a mineral salt from an aqueous supersaturated solution onto a solid surface in contact with the aqueous supersaturated solution which composition comprises...
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6838002 |
Method of monitoring membrane separation processes
Methods and systems for monitoring and/or controlling membrane separation systems or processes are provided. The present invention utilizes measurable amounts of inert fluorescent tracers and...
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6761865 |
Method for synthesizing crystalline magnesium silicates from geothermal brine
Crystalline magnesium silicates are synthesized from silica-containing brines, preferably spent geothermal brines, by mixing the brine with a magnesium-containing compound, adjusting the pH of the...
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6758977 |
Purification of phosphoric acid plant pond water
A process for the partial purification of contaminated phosphoric acid plant pond water is described, in which the pond water is treated sequentially, with two basic compounds, clarified, aged,...
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6758976 |
Simplified purification of phosphoric acid plant pond water
A simplified process for the partial purification of contaminated phosphoric acid plant pond water having a molar calcium plus magnesium to fluorine ratio greater than or equal to about 0.60, is...
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6736979 |
Device and process for treating a liquid medium
A device for treating liquid medium has an ultrasound emitter located relative to a compartment of a container holding a liquid medium and a microbubble emitter located relative to the compartment....
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6596175 |
Method for treating stator cooling water to prevent clogging of strainer in the cooling system of an industrial electrical generator
A method is disclosed to dissolve cupric oxide (CuO) deposits on a strainer in a stator water cooling system (SWCS) of an industrial electrical power generator. The method injects carbon dioxide...
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6587753 |
Use of control matrix for boiler control
Described and claimed is a method of controlling a boiler in which control is based on information from a control Matrix applicable to the specific operating parameters of said boiler. This method...
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6540922 |
Method and device for treating a liquid medium
A device for treating liquid medium has an ultrasound emitter located relative to a compartment of a container holding a liquid medium and a microbubble emitter located relative to the compartment....
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6533942 |
Cooling tower water cleaning system
A cooling tower water purification system uses an electrical cleaning method by passing water over or through an anode and a cathode. The pH of the water is monitored and adjusted using injected CO...
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6503400 |
Phosphate stabilizing compositions
This invention relates to phosphate stabilizing compositions comprising (a) polyaspartic acid, and (b) an anionic carboxylic polymer. The compositions effectively stabilize phosphates by inhibiting...
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6416712 |
Corrosion inhibition method suitable for use in potable water
Effective corrosion inhibitors having minimal organic content, particularly suitable for use in municipal drinking water systems, are described. The corrosion inhibiting additive is a stannous salt...
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6375907 |
Hydrogen sulfide abatement with scale control and/or well acidizing
The emissions of hydrogen sulfide during the production of natural gas, oil or geothermal fluids from subterranean formations and the subsequent processing of these fluids is reduced by converting...
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6351986 |
Method for measuring water and wastewater parameters
This invention concerns a method of measuring parameters of fresh and waste water, where the time change or the first derivative of the measured values is determined from the measured values of at...
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6336058 |
Use of control matrix for boiler control
Described and claimed is a method of controlling a boiler in which control is based on information from a control Matrix applicable to the specific parameters of the boiler. The control matrices...
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6315909 |
Use of control matrix for cooling water systems control
Described and claimed is a method of controlling a cooling water system in which control is based on information from a control Matrix applicable to the specific operating parameters of the cooling...
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6280495 |
Alkaline earth metal peroxide product
A homogeneous calcium/magnesium peroxide, its manufacture and use are described. The new calcium/magnesium peroxide is suitable in particular as an additive used as source of oxygen and acid...
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6270677 |
Alkaline effluent solution treating process
A process for treating alkaline solutions obtained from lithographic printing plate processing comprises admixing at least one alkaline solution and at least one acidic solution in the presence of...
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6270671 |
Method and apparatus for microfiltration
A method and apparatus for microfiltration useful in softening water as well as in removing other dissolved constituents where the method comprises passing water that contains a precipitate through...
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6267883 |
Water conditioner for eliminating scale
A water and fuel conditioning device includes a core or casting made of 40-66% copper, 2-30% zinc, 10-25% nickel, 2-5% tin, 0-1.5% iron and 0-2% lead, all percentages being by weight. Water flowing...
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6264844 |
Supercritical water oxidation process and apparatus of organics with inorganics
A method and apparatus is disclosed for oxidation of aqueous mixtures of organic material, including toxic material in the presence of inorganic materials, by reaction of said material with water...
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6237670 |
Treatment of thermoplastic materials with chelating agents, and related products
The metal content of a thermoplastic composition containing an undesirably high concentration of metal can be reduced by adding to 100 parts by weight of the composition at least about 0.3 parts by...
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6231765 |
Process for making polymeric complex from residual or by-product effluents from distilleries
A process for obtaining a polymeric complex from a by-product effluent obtained in a process for manufacturing alcohol by distilling a fermented aqueous sugar solution containing yeast. After...
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6207060 |
Method for treating water to be provided to an animal
The inventive method assures the retention of calcium in drinking water provided to an animal by suppling water to a water feed line which is connected to a drinking device, oxidizing the water to...
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6200529 |
Corrosion inhibition method suitable for use in potable water
Effective corrosion inhibitors having minimal organic content, particularly suitable for use in municipal drinking water systems, are described. The preferred corrosion inhibiting additive is an...
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6196314 |
Insoluble salt control system and method
The present invention provides a system and method for enhancing hydrocarbon production from a subsurface hydrocarbon-bearing formation. The system includes a mechanical fluid treatment unit that...
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6153099 |
Biological waste treatment process and apparatus
An apparatus for wastewater treatment, includes a calorie reducer first vessel having an inlet and an outlet, the outlet adapted to control the retention time of wastewater within the first vessel....
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6136200 |
Treatment for paint and lacquer waste water
A composition for the detackification and clarification of acid and alkaline paint and lacquer waste waters and paint spray booth wastes, comprising: an inorganic-organic and/or organic adduct...
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6096806 |
Storage stable autodepositable dispersions of epoxy resins and processes therefor and therewith
Epoxy resins, particularly those based on bisphenol A, can constitute the principal film forming polymer component of a storage stable autodepositable composition wherein the particle size...
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6096221 |
process for the treatment of water by injection of ozone and carbon dioxide
A process and device for treatment of water circulating in a conduit, which water carries microorganisms that must be eliminated and ions susceptible of leading to the formation of deposits on the...
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6056878 |
Method and apparatus for reducing scaling in electrodeionization systems and for improving efficiency thereof
A method and apparatus for inhibiting scaling in an electrodeionization system or in a combined reverse osmosis/electrodeionization system for water treatment and, more particularly, for increasing...
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6051141 |
Water treatment
A method of treating water containing silicon-containing impurities in a concentration of up to 10,000 parts per million by weight of the water, by contacting the water over a period of time with a...
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6045706 |
Calcium hypochlorite feeder
The instant invention is directed toward an improved calcium hypochlorite feeder for water treatment applications. Tablets of calcium hypochlorite are diluted in an erosion feeder and the high pH...
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6036867 |
Method for desalinating and demineralizing solutions containing acids and/or metal salts
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6035933 |
Process for the thermo-hydraulic control of gas hydrates
A process for the thermo-hydraulic control of gas hydrates in subsea production and injection wells as well as pipelines which transport liquid or gaseous hydrocarbons is described, the process...
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6019903 |
Geothermal brine processing
A corrosive acid sulfate geothermal brine is mixed with a near neutral, bicarbonate geothermal brine containing above about 300 ppm silica to produce a relatively benign mixed brine of pH from...
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6010869 |
Method to collect and recover microorganisms from environmental samples
Presented herein is an improved method to collect and recover microorganisms from environmental samples. The method of this invention comprises the steps of (a) obtaining a sample for testing and,...
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