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| Number | Title | Issue Date |
| 7393456 | System and method for concentrating and removing sludge at the bottom of a waste water holding tank A new settlement tank and its associated method of operation. The settlement tank has side surfaces and a bottom surface that define a tank of a predetermined volume. A trough is disposed in the bottom surface of the tank. At least one outlet port communicates with ... | 07/01/2008 |
| 7122118 | Apparatus for treatment of contaminated liquids A treatment vessel for separating contaminants from a base liquid is provided. The vessel comprises a first cylindrical portion, a frusto-conical portion, a second cylindrical portion and a conical portion, the conical portion having a bottom outlet arranged to disc... | 10/17/2006 |
| 7029585 | Grease trap The grease trap is a device that may be attached to the drainpipe of a sink and the outlet pipe of a plumbing system to remove grease from wastewater before it enters the plumbing system. The device uses simple principles of gravity and separation of immiscible liqu... | 04/18/2006 |
| 6814874 | Claricone sludge level control system A ClariCone-type clarifier is provided with a level sensor, a flow-condition detector, and a controller that work together for automatic control of a blow-down valve. The flow-condition detector detects a condition of the flow through the tank. The detector sends th... | 11/09/2004 |
| 6607671 | Reactor and solids settler for grey water treatment The present invention involves an improved integrated reactor and solids settler system for solids removal from a water stream. The integration of the rapid mix reactor and the solids settler of the present invention uses an overflow line from the rapid m... | 08/19/2003 |
| 6354328 | Methods and apparatus for sludge collection Sludge collection and removal systems are disclosed. The present invention provides methods and apparatus that include piping system of headers and laterals selectively provided with flow from a central point so that sludge can be removed from areas where... | 03/12/2002 |
| 6350375 | Arrangement in a separator The present invention relates to an arrangement in a separator, especially a gravity separator (1), to which separator is supplied with well fluid containing sand, and to avoid sand settling on walls of pipes or separators; it is according to the inventio... | 02/26/2002 |
| 6123857 | Separating method and apparatus A method of removing sludge from a continuously supplied sedimentation tank which discharges through a pipe having a substantially vertical section and an outlet at or just above the fluid level of the tank by supplying pulses of gas to the base of the ve... | 09/26/2000 |
| 5911241 | Methods and apparatus for sludge collection Sludge collection and removal systems are disclosed. The present invention provides methods and apparatus that include piping system of headers and laterals selectively provided with flow from a central point so that sludge can be removed from areas where... | 06/15/1999 |
| 5679263 | Method and apparatus for producing feed mixture The invention relates to a method and apparatus for producing a feed mixture, advantageously suitable to an anaerobic bioreactor and containing liquid and solid materials, for the further treatment of waste materials. The method of the invention includes ... | 10/21/1997 |
| 5478478 | Apparatus and method for preventing vortexing of a liquid in a separatory funnel The present invention relates to a separatory funnel for preventing vortexing of liquid and identifying an interface between immiscible liquids, said separatory funnel having a baffle plate completely covering the space directly above the outlet opening o... | 12/26/1995 |
| 5405530 | Separator for separating floating and sinking matter from waste water contaminated with said matter In a gravity-type separator for floating and sinking matter operating without a free level, both the separated floating matter and the separator content must be withdrawn or removed. According to the invention, this is accomplished with a pump that on the... | 04/11/1995 |
| 5360555 | Solids handling in an oil/grease separator An oil/grease separation apparatus includes a chamber for receiving a liquid flow containing water, oil/grease and gross solids. An inlet section is separated from a downstream section by a weir, so that a higher static water level is maintained in the in... | 11/01/1994 |
| 5244573 | Paint sludge separator tank A paint sludge separator tank includes a sludge drain formed on an upper end of a reservoir region for discharging paint sludge floating on a surface of stored liquid, and a liquid feeder for feeding paint-containing liquid to an upper position of the res... | 09/14/1993 |
| 5143623 | Nutrient and particle removal: method and apparatus for treatment of existing lakes, ponds and water bodies A method and apparatus for capturing descending particle matter and chemical precipitate so that this material can be removed from a water body on a timely basis to remove offending nutrients. This method uses a plurality of funnel shaped collection chamb... | 09/01/1992 |
| 5053120 | Arrangement for draining water collecting in the container of a water separator of an internal-combustion engine The invention relates to an arrangement for the automatic removal of water collecting in a fuel filter having a water separator. The evacuation takes place by means of a piston acted upon by a pressure medium, preferably a fuel pressurized by the pressure... | 10/01/1991 |
| 4939817 | Process and device for separating a sulfur-lye suspension For separating sulfur from a sulfur-lye suspension, the suspension is fed into a flooded separation tank, a temperature above the melting temperature of sulfur is maintained in the separation tank, and liquid sulfur and lye are withdrawn from the separati... | 07/10/1990 |
| 4898678 | Heavy-metal separator for drinking water An apparatus and method of removing lead contaminants from drinking water wherein the apparatus includes a first lead-separator tank which receives water from an incoming line. Lead particles are allowed to settle to the bottom of the first separator tank... | 02/06/1990 |
| 4828625 | Apparatus and method for removal of sludge from tanks Apparatus and method for removal of sludge (26) from a tank (10) having a floating roof (16) floating on the upper surface of oil within the tank (10). Discharge nozzles (58) are received within existing sleeves (22) on the floating roof (16) and position... | 05/09/1989 |
| 4696741 | Vortex breaker for use in a liquid-liquid separator or the like Apparatus for use in a fluid separation vessel to improve the separation of liquids of different densities which includes a tubular conduit extending upwardly a distance from a liquid outlet in the bottom of the vessel, a vertical center plate disposed ac... | 09/29/1987 |
| 4664802 | Apparatus for continuously separating liquid mixtures The invention relates to apparatus for continuously separating components of mutually different density from a liquid mixture. The apparatus includes a separation space which is divided by a partition wall into a primary separation chamber and a secondary... | 05/12/1987 |
| 4536286 | Mobile waste water and sludge treatment for hazardous and non-hazardous fluids A packaged, transportable waste treatment system for hazardous and non-hazardous wastes comprises a pair of mixing tanks having a flow inlet at the lower bottom central portion of the tanks, the flow inlet providing an injection conduit which proceeds ver... | 08/20/1985 |
| 4401568 | Apparatus for processing flushing liquor from coke ovens A coke oven flushing liquor decanter apparatus that has a vertically elongated vessel that has a variable cross-sectional dimension so as to separate the flushing liquor into a lower liquid phase and an upper liquid phase. A vertical tube extends downward... | 08/30/1983 |
| 4396504 | Mobile waste oil cleaning apparatus A tractor trailer chassis compactly mounts a waste oil cleaning apparatus of hydraulically connected, primary components. A diesel fuel burner fired heater of vertical cylindrical form mounts at one end of the chassis. A blower feeds a large volume of air... | 08/02/1983 |
| 4313826 | Liquid-liquid extraction apparatus The present invention relates to a mixer/settler-type apparatus for continuous liquid-liquid extraction. The apparatus is comprised of a separating vessel with an inclined bottom portion and an agitator-provided mixing vessel. The mixing vessel is tightly... | 02/02/1982 |
| 4184955 | Method and apparatus for clarifying liquids through settling A system for gravitationally separating suspended solids material from contaminated liquid through a plurality of concentric upwardly diverging frusto-conical sections, collecting the contaminants removed from the liquid and conveying them from the system... | 01/22/1980 |
| 4160737 | Flotation and plate separation device A method for separating components suspended in a liquid, in which a gas-liquid mixture is pressurised, and then is depressurised just before being introduced in a separation device so as to obtain a substantially colloidal gas bubble mixture, the gas bub... | 07/10/1979 |
| 4113629 | Separation device provided with a coalescence apparatus A separation device comprising a tank in which a plate separator assembly is positioned at an angle in respect to the horizontal plane. The tank is subdivided into a supply chamber and a discharge chamber by means of a transverse partition joining the obl... | 09/12/1978 |
| 4059531 | Automatic sludge extraction and washing device for use in a water treatment settling apparatus A settling apparatus includes a decanter having a sludge bed therein. A raw water inlet leads raw water to be treated into the decanter, such that the raw water passes upwardly through the sludge bed, whereby impurities in the water are removed in the for... | 11/22/1977 |
| 4029576 | System for softening water A system for reducing the hardness of raw water to a level where it is suitable for circulation to a boiler wherein the water is converted to steam for generating power and subsequent use in equipment for building tires. The system employs, (i) a sediment... | 06/14/1977 |
| 3957655 | Sphincter cone assembly for purifying water A sphincter cone for water treatment and clarification, which cone involves no moving parts. At the top of the cone there is provided a surge tank with an open bottom surrounded by an annular well extending along the perimeter of a cylindrical extension o... | 05/18/1976 |
| 3940337 | Horizontal flow clarifier A clarifier for purifying liquids containing solids or contaminants. The liquid to be treated enters the clarifier and is directed into a primary sludge contact zone where it is mixed with recirculating sludge. Liquid from the primary sludge contact zone ... | 02/24/1976 |
