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4642134 |
Precious metal recovery using UV ozone
A method for recovering precious metals from ore is disclosed. Ore is treated in an acidic slurry with an activated oxygen mixture obtained from an ultraviolet light ozone generator. The activated...
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4622306 |
Process for protecting steam generators from material damage
Decomposable organic compounds can, at times, be contained in the feedwater for steam generators; these decomposable compounds can stem from the untreated water supply or from the recondensate if...
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4620908 |
Method for destroying microbial contamination in protein materials
A method for destroying microbial contamination, such as viral and bacterial contamination and mycoplasma contamination, in protein material, and particularly tissue and serum from animals and...
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4620962 |
Method and apparatus for providing sterilized cryogenic liquids
The invention includes a method and apparatus for providing a sterilized cryogenic liquid. A cryogenic liquid is vaporized, and the resulting gas is sterilized. The sterilized gas is then...
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4615799 |
Water purification and sterilization system
A device for filtering and sterilizing potable water for household use which may be connected in the water line at a faucet or ahead of the automatic ice-making mechanism of a refrigerator. The...
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4609471 |
Laser disinfection of fluids enhanced by gas bubbles
A method of disinfecting a liquid includes introducing bubbles of a gas into a stream of liquid to be treated and passing the stream with the bubbles through a laser beam which radiates coherent...
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4608255 |
Biocompatible method for in situ production of functional platelets and product produced thereby lacking immunogenicity
The present invention discloses the effect of ultraviolet (UV) radiation on platelet concentrates collected in a plastics container, particularly in a polypropylene bag. Samples irradiated at 310...
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4591485 |
Method and apparatus for sonicating articles
A method and apparatus are provided for sonicating an article such that the liquid used as the sonication medium cannot recontaminate the article. A sonication medium in the form of a film of...
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4568522 |
Synfuel production ship
A vessel, vehicle or aircraft is self-equipped with means for producing and storing synthetic fuel generated from the synthesis of carbon dioxide and hydrogen. Energy for the synthetic fuel...
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4534282 |
Process and apparatus for treating food products
There are disclosed an apparatus for pasteurizing and/or sterilizing food products by exposing the latter to electro-magnetic radiations, namely: infra-red radiation for pasteurization and...
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4503333 |
Antimicrobial ultraviolet irradiation of connector for continuous ambulatory peritoneal dialysis
A connector valve for selectively permitting the transfer of fluids therethrough is described. Multiple-way valve means communicates with a plurality of conduits and selectively permits and...
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4482809 |
Ultraviolet fluid purifying device
For ultraviolet purification or sterilization of fluids, particularly waste water, lamp sections, each composed of opposed pairs of fluid impermeable light unit receiving sockets and lamp units...
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4469835 |
Connector member adapted for ultraviolet antimicrobial irradiation
A connector member (11) is disclosed for sealed connection with a second connector member (30), to permit sealed flow of material through the joined connector members. The connector member (11) is...
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4467206 |
Method and apparatus for the irradiation of fluids
Device, apparatus, and method for the irradiation of fluids, especially physiological fluids such as blood. The device comprises a hollow casing having two end walls, at least one element adapted...
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4464336 |
Method of sterilization
A method of sterilization effected by using a flash discharge ultraviolet lamp which provides a very large instantaneous luminescence output, destroying at an increased sterilization rate and in a...
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4448750 |
Sterilization method
A method for disinfecting and/or sterilizing small objects such as medical and dental instruments and the like wherein the object to be disinfected and/or sterilized is contacted with a liquid,...
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4449050 |
Device for processing paper money
A compact-sized device for feeding a lengthwise oriented U.S. dollar bill, or the like, in a C-shaped feed path about a centrally located ultraviolet source, which contributes to the sterilizing of...
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4438337 |
Apparatus for the purification of water by ultraviolet radiation
The present invention relates to an apparatus for the purification of water by ultraviolet radiation. A pipe traversed by the liquid to be purified contains an ultraviolet lamp and an electrovalve...
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4433244 |
Apparatus for irradiating tubing connections
Apparatus for irradiating a connected pair of tubing ends for antibacterial effect thereon. A housing carries an antibacterial radiation source such as an ultraviolet bulb. Drawer means is slidable...
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4409188 |
Container sterilization
A device for the sterilization of containers is described. The device comprising a housing with inlet and outlet openings and being fluid tight apart from said openings, an axially rotatable...
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4396582 |
Method and apparatus for sterilizing food packages or the like
An object such as a food packaging material is sterilized first by immersion in a nontoxic sterilizing liquid and then by exposure to ultraviolet irradiation. The sterilizing liquid can be either...
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4390432 |
Method of purifying water in fish keeping water tank
A water treating method is disclosed. Water stored in a container is circulated through an external passageway and subjected to ultraviolet radiation and biological oxidation treatment, whereupon...
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4386003 |
Blood separating composition
A silica-silicone fluid gel, the properties of which are not significantly affected by sterilizing doses of radiation, is prepared by reaction of a silicone fluid having a narrow viscosity...
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4372860 |
Method and an apparatus for cleaning water in a swimming pool
By a method and an apparatus for cleaning water in a swimming pool, the water is circulated successively through a plurality of flow chambers divided by partitions. In the front chamber bar-shaped...
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4367410 |
Waste purification apparatus and method
A method and apparatus for purifying secondary waste water effluent by ultraviolet radiation, wherein a plurality of ultraviolet lamps are concentrically mounted within support jackets arranged in...
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4366125 |
Sterilization apparatus and process utilizing synergistic effect of combining hydrogen peroxide and ultra-violet-ray sterilization
A long sheet material to be sterilized is passed through an atmosphere of H 2 O 2 mist of low concentration and of droplet particle size of approximately 10 microns at room temperature for...
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4336223 |
Ultraviolet method for disinfection and sterilization of fluids
An ultraviolet sterilization and disinfection system for fluids which includes apparatus for sensing selected operating characteristics such as physical characteristics of the fluid to be...
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4322291 |
Water-dispensers
A water dispenser provided with a synchronous supply water valve system to control the simultaneous flow of water into and from the dispenser and further provided with a water purifier and an...
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4320085 |
Method of inhibiting and eliminating chlorophyceae in water in tank
Water stored in a container is circulated through an external passageway and subjected to ultraviolet radiation, whereupon undesired aquatic chlorophyceae are eliminated by inhibiting their growth....
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4309388 |
Ozone sterilizing apparatus
Sterilizing apparatus preferably comprises an enclosure surrounding the top, bottom and sides of a central sterilizing enclosure space and adjacent inlet and outlet enclosure spaces opening...
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4289728 |
Improvements in methods of sterilization
A method of sterilization which comprises treating a microorganism with an ultraviolet irradiated solution of hydrogen peroxide, the wavelength of the ultraviolet radiation being wholly or...
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4276256 |
Method for preventing bacterial passage into sterile fluid systems
An apparatus for preventing microorganisms from passing from outside into sterile closed systems containing sterile water or fluids for general or biomedical use wherein an ultraviolet light source...
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4274970 |
Method and apparatus for treating water
Water may be treated so as to kill microorganisms and so as to oxidize oxidizable material within it by passing a thin film of water in contact with a gaseous body or bubble of air containing both...
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4273660 |
Purification of water through the use of ozone and ultraviolet light
Water may be treated so as to oxidize organic contaminants and so as to kill microbiological contaminants through the utilization of ultraviolet light and ozone so as to obtain some residual ozone...
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4267455 |
Purification apparatus
The purification apparatus includes UV-tubes and secures a continuous and uniform disinfection or purification, respectively, of a flowing medium such as water, independent which portion of the...
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4265747 |
Disinfection and purification of fluids using focused laser radiation
Disinfection of aqueous media contaminated with microorganisms is effected by contacting said media with a gas phase in which a plasma is generated by focused laser radiation. Similarly,...
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4255383 |
Multichamber UV purifying process
Various embodiments of photoreactors are disclosed which have at least two irradiation chambers with a window therebetween. Ultraviolet radiation is introduced into one of the chambers at a side...
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4255663 |
Disposable liquid sterilizer unit
A disposable liquid sterilizer unit incorporates an ultra-violet tube designed to generate radiation at approximately 2537 Angstroms. The unit comprises an elongated cylindrical plastic jacket...
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4230571 |
Ozone/ultraviolet water purification
A method and apparatus for the purification of water with ozone and ultraviolet radiation. Oxygen-containing gas, such as air, is directed to flow in a confined path past an untraviolet radiation...
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4229202 |
Wastewater treatment with ultraviolet disinfection and increased capacity
A method and an apparatus for treating wastewater such as sewage are disclosed. Designed principally for complete on-site wastewater treatment and disposal, the system separates wastewater into...
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4214962 |
Activated oxygen product and water treatment using same
An activated oxygen product produced by irradiating oxygen with electromagnetic radiation of wavelength less than 200 nanometers, and having an unusually high oxidation potential and unique...
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4210429 |
Air purifier
A room air purifier for quietly removing irritating or harmful impurities from the air circulating within the room. The purifier removes from room air, particles down to 0.3 microns in size with...
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4204956 |
Water purification system
The system employs a plurality of particularly arraigned ultra-violet lamps emitting high intensity germicidal ultra-violet radiation and radiation producing ozone in the tank through which water...
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4189363 |
Process of producing ozone in water
Water may be purified through the utilization of ultraviolet light and ozone so as to obtain some residual ozone in the water treated by passing a mixture of water and air or air and ozone through...
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4175140 |
Method for automatic low-bacteria to aseptic filling and packing of foodstuffs employing ultraviolet radiation
The automatic filling and packaging of foodstuffs under aseptic to low-bacterial count conditions is accomplished by disinfecting a packaging material for at least one second by means of...
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4151085 |
Water purification system
A water purification system having a pre-filter, a series of germicidal radiation chamber filter units alternating with a series of mechanical filter units and having a flow measuring device...
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4141830 |
Ozone/ultraviolet water purifier
There is provided an apparatus for purifying liquid such as water, in which an ultraviolet light source irradiates air passing through a first chamber surrounding the source, and then irradiates...
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4135269 |
Mop sterilizer and dryer
A mop sterilizer and dryer utilizes a wheel-supported cart having a pair of drainable compartments therein. One of the drainable compartments has an open-mouth portion carrying a pair of squeeze...
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4119400 |
Installation for disinfecting, by the action of formaldehyde
Apparatus for disinfecting medical apparatus, and especially artificial respirators, by the action of formaldehyde fumes subsequently neutralized by ammonia fumes, the apparatus being adapted to...
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4116630 |
Sterilization method
Liquid flowing through a housing is sterilized by being subjected to radiation which passes through a window transparent to ultraviolet rays. The liquid is prevented from contacting the window by...
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