Matches 251 - 300 out of 392 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
4006086 Apparatus for removal of oil films from water  
An apparatus in the provision of a number of vertical holes, for separation and rectification of the oil and water, bridging between a barrier or dam section and an associated weir whereby the oil...
4001114 Waste water treatment process  
Waste water feed contaminated with fatty residue and a recycle of froth from a later stage of the process are acidulated; the resulting less dense oil phase is separated from the remaining denser...
3992290 Method for coalescing oil using a brominated monoolefin resin  
A method for coalescing oil from an oil in water dispersion by passing the dispersion through a granular bed of brominated monoolefin resin.
3983034 Apparatus and method of removing debris floating on a body of water  
A skimmer for removal of liquid and debris, such as skimming oil spills from water, comprising three pontoons, one located in each of the corners of a triangle made up of interconnecting structural...
3980559 Method and an apparatus for collecting substances and objects on a liquid surface  
A method and an apparatus for collecting substances and objects floating on a liquid surface, e.g. for collecting oil and oily substances on a water surface. The apparatus performing the method...
3979291 Oil boom and method of skimming floating oil from the surface of a body of water  
An oil boom assembly for collecting lighter liquid from the surface of a body of water includes a plurality of elongated, parallel rows of vertical, buoyant, barrier screen members connected...
3970556 Floating skimmer for cleaning the surface of a body of liquid, method and apparatus  
A floating skimmer, for cleaning the surface of the liquid around the skimmer, has an outer, annular shaped body with an inner cavity. Flotation and ballast chambers in the outer body regulate the...
3968041 Apparatus for collecting oil slick from a body of water  
A system for removing oil slicks from water surfaces such as the ocean, harbors, lakes or ponds. An endless conveyor, for example, the surface of a drum or of a belt, contacts the oil slick, which...
3966613 Apparatus for spilling retrieval  
A catamaran with pivotal fore and aft gates defining a well. When moved through a floating liquid spilling with the fore gate open the well collects spilling. The collected spilling may be pumped...
3966615 Oil collection barge  
A device which collects and then contains and concentrates oil spills on the surface of water. This action is affected by the flow of water and oil relative to a channel with an adjustable water...
3962093 Apparatus for removing contaminants from the surface of a fluid  
Oil and other contaminants are removed from a surface of liquid e.g. in a settling tank of an internal combustion engine by a system incorporating a pump for circulating liquid through an annular...
3959136 Oil spill cleanup method and apparatus  
Method and apparatus for removing oil from the surface of a body of water with a skimmer; the apparatus including a skimmer with baffled entry ports arranged on a plane inclined to the direction of...
3957646 Installation for removing pollutants from waterways  
A floating installation for the recovery of a liquid pollutant, such as petroleum or the like, from navigable waterways, including a main vessel adapted for floating movement in the water. A...
3951800 Method of storing sludge recovered from the hot water extraction of bitumen from tar sands  
An environmentally attractive method for storing sludge containing water, mineral matter, bitumen, and liquid hydrocarbon formed in a retention pond used to store effluent discharge waste streams...
3951816 Clarification tank  
A clarification tank having a plurality of pick-up trays and a central collection column which is connected to an externally located riser having a high volume discharge weir at the upper end...
3951810 Oil skimmer module with free floating weir trough  
A skimmer for removal of a layer of oil or other floating pollutants from the surface of a body of water incorporating a sump box having a pump disposed therein for conveying material from the sump...
3947355 Apparatus and process of separating packing house waste  
Scraper elements are resiliently and movably supported to alternately, at one stage in the process, pass along a sloped ramp in contact with a container wall to remove surface layers of tallow-like...
3947360 Environment protective oil skimming and removal apparatus  
The present invention relates to apparatus for collecting oil or other floating substances from a water surface, comprising a boat having a holding tank and at least one belt conveyor having its...
3944489 Apparatus for pumping oil-water mixture from a collection vessel of a floating oil collector into settling tanks  
Apparatus for pumping oil-water mixture from the collection vessel of a floating oil collector into settling tanks comprises at least one oil receiving means for collecting oil-water mixture,...
3935103 Apparatus for separating low-density liquid from a relatively more dense liquid substantially immiscible therewith  
An apparatus for separating a relatively low density liquid such as oil from a relatively more dense liquid, e.g. water, substantially immiscible therewith, comprises a vessel in which the two...
3928206 Apparatus for the collection of buoyant foreign matter  
Apparatus for collection oil and/or debris floating on or near the surface of a body of water includes a collecting tank supported to float in water with its upper edge above water level, the tank...
3926812 Floatage concentrating equipment for nautical floatage recovery apparatus  
A nautical vessel for recovering floatage entrained at a bow opening deploys boom-mounted floatage-concentrating sweeps arranged to enter the bow opening, without collision with the hull, when...
3925204 Liquid separating equipment  
Mixtures of liquids of differing densities (particularly oily ballast water from marine tankers) are at least partially separated by passing the mixtures into a tank, beneath the surface of a layer...
3909416 Method and apparatus for separating liquids of different specific gravities from a mixture of the same  
A barge for separating oil-water mixtures comprises a sealed tank into which the mixture is pumped for gravity separation. Pumping is effected by withdrawing the separated water from the bottom of...
3897335 Liquid coolant treating process and apparatus  
A continuous process for bleeding off of a portion of the clean aqueous base coolant containing water, oil and additives from a central coolant system into a heated substantially quiescent pool to...
3884807 Apparatus for skimming in multi-phase fluid media  
A skimmer vessel is disclosed for collecting, automatically concentrating, and storing an upper phase of a two-phase liquid system such as oil floating upon water. A mechanically positioned...
3883427 Floating solids return device  
A sewage treatment system in which liquid sewage, containing solids, is conducted into a first or primary settling tank. Liquid is drawn from an intermediate depth of the first tank and conducted...
3883433 Collection and recovery system for oil spills  
Apparatus for collecting spilled oil with a plurality of rigid weir-plates disposed along a primary weir and supported by discrete weir-plate floats, each weir-plate having a weir opening, the...
3876540 Skimming device  
This invention concerns the separation and extraction of the upper layer of liquids stored in tanks or pools. The device consists of a shallow funnel, submerged in the liquid and equipped with...
3873449 Filter skimming apparatus  
Filter skimming apparatus comprising an elongated concave plunger arm adapted for telescopic insertion in a test tube. The plunger arm has an inverted cup-shaped piston head at the lower end for...
3865731 Filter skimming device  
A filter skimming device comprising an elongated plunger assembly adapted for telescopic insertion in a test tube. The plunger assembly has an elongated plunger tube, a filter element, an elongated...
3864257 METHOD AND APPARATUS FOR SURFACE SKIMMING  
A surface skimming method and apparatus for circular clarifiers which collects and removes floating matter from the surface of the clarifier. The surface skimmer includes a rotating arm, a fixed...
3862904 Boat for collecting oil slicks and other contaminants from the surface of water  
A boat for collecting oil slicks and other contaminants from the surface of the water including boom means for drawing into the hull of the boat oil slicks and other contaminants which are...
3862040 SEPARATOR FOR LIQUIDS OF DIFFERENT DENSITIES  
A separator for liquids of different densities including a skimmer for separating the liquids, a separating tank for holding the more dense liquid from the skimmer and a concentrating tank to...
3860518 APPARATUS AND METHOD FOR CLEANING SWIMMING POOLS  
Apparatus and method for cleaning swimming pools, including the water surface and submerged surfaces, utilizing pressurized water to propel a buoyant skimmer and to activate one or more water whips...
3853767 PUMPING APPARATUS FOR SKIMMING AND RECOVERING AN OIL LAYER FROM A BODY OF WATER  
The disclosed apparatus for recovering oil floating on the surface of a body of water comprises a bowl for skimming and collecting oil from the surface of the water, means for supporting the bowl...
3853768 SKIMMING APPARATUS  
A skimming apparatus comprises means defining a chamber adapted to be partly submerged in a body of liquid and having an upper and lower zone. Admitting means for admitting liquid into the lower...
3850807 SYSTEM FOR REMOVING FLOATING OIL FROM WATER  
This invention relates to water pollution control and especially concerns a system for removing dispersed oil from a flowing inland stream. A bed of granular sulfur is provided within a unique...
3849308 APPARATUS FOR SKIMMING FLOATING POLLUTION FROM A LIQUID SURFACE  
A container is floatably supported on a liquid surface between exterior floats fixed intermediate the container's oppositely disposed ends. The container has a closed bottom and the oppositely...
3847815 SCOOP FOR COLLECTING A LAYER OF POLLUTING MATERIAL ON WATER SURFACES  
The disclosure relates to a device for collecting hydrocarbons, granular materials, absorbing bodies and various polluting agent which float as a layer on the surface of water such as sea, lakes,...
3847816 POLLUTION SUCTION WATER SWEEPER  
A vessel equipped with an apparatus to sweep the surface of a body of water and remove floating oil therefrom, the vessel comprising an oil tanker ship containing a series of oil collection tanks...
3844943 METHOD AND APPARATUS FOR PROCESSING WASTE WATER SLIMES OF STEEL MILL WATER TREATMENT SYSTEMS  
A method and apparatus are presented for processing a stream of water from a steel mill water treatment system where the water contains iron oxides, liquid oils, heavy oil particles, a slime of...
3844944 APPARATUS AND METHOD FOR EFFECTING SEPARATIONS  
This invention provides an apparatus for separating a mixture of immiscible liquids. A plurality of containers is provided each of which acts as a separator and each of which receives processed...
3844950 ROTARY SKIMMER  
An elongated skimming blade is mounted for rotation, about a substantially vertical axis, across the surface of a liquid, and is rotated about this axis by means of a suitable propulsion device. A...
3836004 APPARATUS FOR RECOVERING OIL SUBSTANCES FROM THE SURFACE OF A BODY OF WATER  
A buoyant float disposed in a body of water carries oil inlet ports at a level to withdraw primarily oily substance floating on the surface. The ports are sized relative to the size of a...
3834538 FLOATING ANTI-POLLUTION APPARATUS  
Floating apparatus to be anchored across a polluted stream to skim the water and collect the debris. The apparatus includes a floating boom anchored within abutments by means which also provide...
3831756 SURFACE TENSION METHOD OF AND APPARATUS FOR SEPARATING IMMISCIBLE LIQUIDS  
An apparatus for separating a selected liquid from a second liquid in which the selected liquid is immiscible by a surface tension action utilizing a hollow liquid surface tension separator having...
3830370 MOTION DECOUPLED SKIMMER FOR REMOVING OIL FROM THE SURFACE OF CALM OR DISTURBED WATER  
A motion decoupled skimmer for removing oil from the surface of calm or disturbed water includes a floatable pumping assembly which contains a sump, flotation unit, pump and motor surrounded by or...
3817383 APPARATUS FOR REMOVING PARTICULATE MATTER  
A device for removal of particulate and other solid matter or suspended material from a moving stream of water and which provides for the separation and diverting of a relatively uncontaminated...
3810546 APPARATUS FOR CONTROLLING A POLLUTING LIQUID  
There is disclosed apparatus for removing a pollutant, e.g., polluting liquid, floating on the surface of a body of water. The invention uses a skimmer utilizing liquid movement theretoward to...
Matches 251 - 300 out of 392 < 1 2 3 4 5 6 7 8 >