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5322621 Equipment for treating sewage by biological oxidation  
An equipment for treating sewage, comprises a horizontal plate with a water sinking hole dividing the equipment into two portions: an upper portion of biofilter and a lower portion of contact...
5322623 Local reclamation system  
The local reclamation system includes an accumulation tank for a soiled solution. A tank outlet valve selectively allows a flow of the solid soiled solution into the remainder of the system. A...
5308509 FGD performance enhancement by hydroclone and recycling steps  
A flue gas desulfurization process wherein the liquid bottoms product from the scrubber tower is subject to forced oxidation in a reaction/oxidation tank. Afterwards, this oxidized bottoms product...
5302294 Separation system employing degassing separators and hydroglyclones  
A hydrocyclone separator separates an oil and water stream into an underflow stream containing primarily water and an overflow stream containing a relatively higher oil concentration than the...
5296136 Apparatus for separating liquids and solids comprising screens and augers  
Apparatus for separating solids and liquids has an initial separator for removing coarse solid material from a mixture of solids and liquids, a first screen for separating further solid material...
5288400 Biological filtration system  
A biological filtration system is provided for filtering a water supply. The filtration system includes a micron filter having an input and an output. Water is supplied from the water supply to...
5288412 Gray water processing system  
A modular gray water processing system is provided comprising a filter, an ultraviolet radiation chamber coupled to the filter and a storage tank for receiving and storing irradiated gray water...
5286380 Apparatus for contaminated oil reclamation  
A novel process and related apparatus for removing common contaminants from used motor oil. Propane, butane or a similar solvent is mixed with the contaminated oil to form a solution. This...
5277798 Sewage treatment equipment with activated sludge process bed  
Sewage treatment is carried out at high performance from a treatment at high load to a treatment at low load at all times, irrespective of seasonal change and region where sewage treatment...
5277827 Oil water separator system  
Apparatus is described for use in an industrial plant that contain machines (14) having oil reservoirs (12), which facilitates cleaning of the oil. The apparatus includes a stand (20) and...
5275641 Improved method for transferring entrained solids to a cyclone  
Accordingly, the present invention, in one embodiment, encompasses an apparatus for the fluidized catalytic cracking of a hydrocarbon feed comprising: a riser which is generally vertically...
5269918 Clinical cartridge apparatus  
A cartridge-like holder or carrier for automatic operation with a specimen processor has a frame for removable and replaceable alignment in operative engagement with the specimen processor and has...
5266216 Water purification apparatus and process utilizing ozone  
A system and a process is disclosed for purifying water with a domestic water holding tank and ozone-air mixture from an ozone generator. A mixer injector connected to a pump which provides the...
5266206 Process for recovering organic components from liquid streams  
A separation process for recovering organic components from liquid streams. The process is a combination of pervaporation and decantation. In cases where the liquid stream contains the organic to...
5262049 Fluid collecting and dispensing system  
An apparatus and method for automatically aliquotting liquids, such as blood serum, is described. The invention provides a completely automatic, clean, self-contained system for collecting and...
5258121 Waste treatment with nitrate removal  
A substantially closed loop waste treatment and water recycling system. The system includes one or more flush-type toilets and urinals which receive flush water from a water return station and...
5256299 Method and apparatus for liquid treatment  
An improved method and apparatus for purifying liquid in a square or rectangular tank involving ultra violet (UV) treatment, oxidation, flotation, filtration, effluent purging and disinfection is...
5254246 Water reclamation system  
The water reclamation system receives waste water from a small residential type source, such as one or more homes, a series of apartments or road houses, and processes the water so that it meets...
5254266 Oil spill cleanup craft and method using catamaran with exceptional stability  
A self-contained oil spill cleanup craft and method which operates well in both rough and calm seas, is rapidly deployed, which provides high flow rate continuous separation and processing of...
5250182 Membrane-based process for the recovery of lactic acid and glycerol from a "corn thin stillage" stream  
"Thin stillage", discharged from a centrifuge in which relatively large >10 μm insoluble solids in an ethanol stillbottoms stream are separated from "whole stillage", is separated in a step-wise...
5246592 Method and apparatus for recovering oil from the surface of a body of water  
An apparatus for recovering oil from an oil spill on the surface of a body of water includes a skimmer unit for recovering an oil-water mixture from the surface of the body of water, a three stage...
5246575 Material extraction nozzle coupled with distillation tower and vapors separator  
A material extraction nozzle for separating a mixture of materials having different densities, comprising: a nozzle body shell having an outer surface with a tangentially located material inlet at...
5242582 Aquarium filter  
Aquarium filter having a box-like body defining a first mechanical filtration region provided with mechanical-action filtration means and a second biological filtration region having a chamber...
5240600 Water and wastewater treatment system  
A biological treatment system involving the use of a gas dissolving pressure vessel, a pressurized water release assembly, a pretreatment chamber, a bioreactor, an open vessel, a post-treatment...
5240593 Apparatus for the purification of fluids  
A purification method and device for purifying industrial liquid such as oil from contaminates including first container housing for receiving the industrial liquid in bulk and separating liquid...
5236585 Oil accumulator  
An oil accumulation system having a first separating station and a second separating station, wherein the first separating station includes a tank for receiving contaminated water with an inclined...
5236595 Method and apparatus for filtration with plural ultraviolet treatment stages  
An improved filtration system involving the use of ultraviolet irradiation, ozonation, chlorination, reactive filtration media, chemical treatment, compressed air aeration, air emission control,...
5234583 Semi-permeable membrane filtering systems for swimming pools  
A nanofiltration and/or reverse osmosis system for filtering swimming pool water which system and apparatus eliminates dissolved organic and inorganic matter that is not removed by conventional...
5228983 Particle separator  
A particle separator apparatus includes a pond and a separation vault, which receive a runoff stream. The vault includes an entrance for the runoff stream, the entrance having a primary skimmer...
5223126 System for decontaminating dry cleaning waste water with controlled pumping  
A system for decontaminating waste water produced during dry cleaning operations wherein the waste water contains dry cleaning solvent and particulate contaminants, the system comprising: a...
5217607 Water decontamination system with filter, electrostatic treatment and UV radiation chamber  
A system minimizing inorganic and organic contaminants in water circulating in a water system comprises a flow-through filter vessel containing a filter medium and whose outlet is connected by a...
5213695 Apparatus and method for separating solids and liquids  
An apparatus for separating solids and liquids includes a pair of compaction chambers into each of which is inserted a fifty five gallon drum that receives the liquids and solids before they are...
5211844 Wastewater treating biological film tank  
A small-sized, low cost to manufacture and inexpensive wastewater treating biological film tank by which wastewater produced in each home can be treated by each home. A treating tank 10 has...
5209855 Continuous acid washing of polymer resin with controlled metering of acid  
A batch type process for purification of a polymer resin, in which a predetermined volume of acid is rapidly emptied and stirred into a fixed volume of polymer slurry for chemically treating...
5209856 Process and device for continuous crystallization of a massecuite  
A process and device for the crystallization of sugar syrup is described. Sugar syrup is cooked to provide a massecuite. Thereafter, the massecuite is subjected to at least one stage of continuous...
5207904 Apparatus for composting waste material  
Apparatus for composting biological waste material, comprising a screen for separating the waste material into solids and liquids, a sludge outlet for adding sludge to the solids to form a mixture...
5196113 Processing mixed waste  
Removing radioactive contaminants from liquid hazardous material such as oil, includes recirculating the material between a processing tank and a filter medium. The material is heated to increase...
5196111 Reactor for the biological treatment of sewage  
Improved reactor for the biological treatment of sewage, intended to replace the aeration tank in plants comprising an anaerobic tank in which denitrification takes place, an anaeration tank where...
5194157 Blood purifying equipment particularly for the treatment of patients suffering from renal insufficiency, and a method of producing a reinfusion liquid for haemodiafiltration (HDF)  
Blood to be purified is passed through a haemofiltration element and a haemodialysis element in cascade and the ultrafiltrate output from the haemofiltration element is passed through a filter...
5190649 Apparatus for working up metal-charged waste sludges  
The invention relates to a method of removing metals from metal-charged waste sludges from industry, clarification plants, or the like, in which the sludges are treated with a solvent for the...
5190659 Contamination removal system employing filtration and plural ultraviolet and chemical treatment steps and treatment mode controller  
An improved cross-flow granular filtration system involving the use of ultraviolet, ozonation, chlorination, reactive granular filtration media, chemical regeneration, and central flow control is...
5180486 Potential flow centrifugal separator system for removing solid particulates from a fluid stream  
Solid particulates are removed from a solid particulate-laden fluid stream by passing the solid particulate laden fluid stream into a potential flow centrifugal separator which splits the...
5178755 UV-enhanced ozone wastewater treatment system  
Ozonated liquid is mixed within a multi-stage clarifier system with wastewater to be treated and suspended solids are removed. The clarified effluent is filtered and exposed to ultraviolet...
5178758 Biochemical water filter  
A biochemical water filter comprising a cylindrical shell, a solar light tube and several ultraviolet tubes disposed in the shell so as to cultivate nitric bacteria to get rid of harmful bacteria...
5178734 Water distilling apparatus with vertically stacked components  
A water distilling apparatus (10) which includes vertically stacked components, i.e. an uppermost water storage tank (12), an intermediate boiling tank (14) and a lowermost condensing unit (16)....
5176825 System for treating food waste by centrifugal spin drum and bag filter  
This invention provides means whereby the liquid component can be separated from the solids in food waste and garbage. The invention provides a spinning perforated drum with an internal filter bag...
5174879 Apparatus for simultaneous disinfection and removal of nitrate/nitrite ions and other adsorbable chemicals from drinking water  
A device for the continuous disinfection of and removal of nitrate/nitrite ions as well as other adsorbable organic impurities from water and a process for using the device are disclosed. Three or...
5173190 Reconditioning and reuse of chilled water for poultry and food processing  
This invention is directed to a novel automatic process for effectively, reliably and economically reconditioning for direct reuse various waste waters and particularly those in the nature of...
5167806 Gas dissolving and releasing liquid treatment system  
An improved gas dissolving and releasing liquid treatment system involving the use of multi-stages gas dissolving pressure vessel and the use of a pressurized water release assembly and an open...
5167813 Apparatus for producing a functionally gradient material  
Disclosed are a process for laminating a functionally gradient material and a laminating apparatus for the same. The process therefor includes a suspending step and a functionally gradient...