Waste treatment and water recycling toilet system
The present invention relates to improvements in waste treatment and water recycling toilet systems, particularly to systems of the general type shown in U.S. Pat. No. 3,950,249, dated Apr. 13, 1976 a... Read More
Inventors: Jordan, Edward J.;, Assignee: Thetford Corporation (Ann Arbor, MI) |
Skimmer mechanism for rectangular basin chain and flight
In accordance with the present invention, a chain and flight mechanism is disclosed which includes a skimmer means hingedly attached to the flight and being configured to capture and retain scum there... Read More
Inventors: Workman, Steven G.;, Assignee: Baker Hughes Incorporated (Houston, TX) |
Photocatalytic treatment of water for the preparation of ultra pure water
OF THE INVENTION This invention is widely applicable for the purpose of removing a small amount, particularly a last trace amount, of organic impurities included in TOC content of water to be purifie... Read More
Inventors: Kawai, Tomoji; Satoh, Hisao; Ohta, Yoshiharu;, Assignee: Nomura Micro Science Co., Ltd. (Tokyo, JP) |
Ultrapure water production system having pretreatment system for performing both anaerobic and aerobic organism treatments
The object of the present invention is to provide a compact ultrapure water production system which allows recycled waste water to be reclaimed through a biological treatment without causing the clogg... Read More
Inventors: Yamasaki, Kazuyuki; Okamoto, Seiji; Yokotani, Atsushi; Sakata, Kazuyuki;, Assignee: Sharp Kabushiki Kaisha (JP) |
Method and apparatus for aerobically treating wastewater
OF THE INVENTION In the accompanying drawings which form a part of the specification and are to be read in conjunction therewith, and in which like reference numerals are employed to indicate like pa... Read More
Inventors: Tharp, Charles E.; Campbell, Clark M.;, Assignee: Environmental Dynamics, Inc. (Columbia, MO) |
Clarifier bubble generation and distribution nozzle
OF THE INVENTION In the various figures, like parts are referred to by like numbers. Referring to the drawings and more particularly to FIG. 1 a clarifying apparatus is shown comprising a vessel 10 c... Read More
Inventors: Krasnoff, Eugene L.; Luthi, Oscar;, Assignee: Ingersoll-Rand Company (Woodcliff Lake, NJ) |
Method and apparatus for treating organic wastewater
Referring now to the drawing of the apparatus, all standard components shown, such as the valves, pumps, blower, air compressor assembly, liquid level controller and piping (which are not described i... Read More
Inventors: Heil, Richard W.; Rose, Thomas A.;, Assignee: |
Method and apparatus for treating organic wastewater
Referring now to the drawing of the apparatus, all standard components shown, such as the valves, pumps, blower, air compressor assembly, liquid level controller and piping (which are not described i... Read More
Inventors: Heil, Richard W.; Rose, Thomas A.;, Assignee: |
Method for improving bubble surface area exposure
Prior art FIG. 1 discloses diagrammatically a vessel a containing a liquid b having therein a gas-furnishing pipe c with upwardly-facing outlets d produceable of large bubbles h and collected gas i b... Read More
Inventors: Ferriss, Jon S.;, Assignee: |
Dewatering of sludge using nitrate
This invention relates to a process and apparatus for thickening or dewatering of sludges produced from biological domestic or industrial waste water treatment processes. Sludge produced from biologic... Read More
Inventors: Davis, H. Forbes;, Assignee: DAVCO (Thomasville, GA) |
Preaeration treatment of volatile wastewater components
It is an object of the invention to provide an aerobic process for treating wastewater contaminated with volatile compound and biologically degrade the volatile compounds before the wastewater is subj... Read More
Inventors: Berrigan, Jr., John K.;, Assignee: Zimpro Passavatn Environmental Sys. (Rothschild, WI) |
Biological oxidation and flotation apparatus and method
OF METHOD AND APPARATUS The apparatus shown in FIGS. 1-5 and 7-13 is designed for use in a sewage treatment plant employing the activated sludge process. Three embodiments are illustrated. SINGLE TRE... Read More
Inventors: Fullerton, Donald Griswold; Kyrias, Gilbert Mowder; Weber, Richard Baxter;, Assignee: FMC Corporation (Chicago, IL) |
Two stage wastewater flotation
I claim: 1. A method for removing particulates from wastewater, wherein said particulates comprise proteins, fats, oil or minerals by flotation, to produce readily recoverable skimmings, comprising: a... Read More
Inventors: Clemens, Ogden A.;, Assignee: Dravo Corporation (Pittsburgh, PA) |
Preparation of an animal feed supplement from fish cannery process waste water
What is claimed is: 1. A method for the preparation of an animal feed from fish cannery wastes comprising: aerating fish cannery waste water until the water is substantially saturated with air; separa... Read More
Inventors: Evich, Vince J.; Brown, Gerald C.; Dunn, Howard J.;, Assignee: Star-Kist Foods, Inc. (Terminal Island, CA) |
Process for waste water purification
OF THE INVENTION This invention is described in greater detail with respect to purification of the aqueous effluent from a process for making cylinder screens of nickel for use in the so-called "silk... Read More
Inventors: Medina, Mario;, Assignee: Rosen; Harry (Longmeadow, MA) |
Aeration tank for activated-sludge process sewage treatment
This invention relates generally to aeration tanks for activated-sludge process sewage treatment and is intended to provide a new and improved aeration tank of the type described which is particularly... Read More
Inventors: Takamatsu, Akira; Higuchi, Hiroshi;, Assignee: Kabushiki Kaisha Mitsui Miike Seisakusho, Tochigi Factory (Nihonbashi-Muromachi, JP) |
Flotation apparatus utilizing a novel floc barrier and current diverting means
OF THE PREFERRED EMBODIMENT With reference to FIG. 1, wherein like reference numerals designate like parts of the invention in all the other Figures, the preferred embodiment of the flotation apparat... Read More
Inventors: Coffing, Samuel F.;, Assignee: International Resources Management, Inc. (Coral Gables, FL) |
Sludge concentration method
The primary objective of the present invention is to provide an improved method of atmospheric flotation concentration which ensures consistent and high concentration of sludge using a very much small... Read More
Inventors: Suzuki, Akira; Shioya, Yasumi; Watanabe, Norio;, Assignee: Shinryo Air Conditioning Co., Ltd. (Tokyo, JP) |
Renovation of used water from poultry processing plants
OF THE INVENTION Referring now to FIG. 1, shown at 10 therein is a block diagram of a process for treating water discharged from various steps performed in a poultry processing plant. This would incl... Read More
Inventors: Dunn, C. Lamar; Turner, David L.;, Assignee: Southeastern Water Conservation Systems, Inc. (Knoxville, TN) |
Two stage traveling bridge filter
This invention relates generally to liquid filtration systems and, more specifically, to traveling bridge-type cleaning apparatus for sequentially cleaning a plurality of suspended solids filter units... Read More
Inventors: Medders, II, Carlton;, Assignee: Davis Water & Waste Industries, Inc. (Thomasville, GA) |
Apparatus for the clarification of liquids, such as notably water, fruit juices, grape must or similar
OF THE INVENTION According to this embodiment, the liquid to be treated is brought, for example from a loaded vat (not shown) and via a conduit 1, to a tank 2, while first passing through a device 2a... Read More
Inventors: Vion, Patrick;, Assignee: Degremont (Rueil-Malmaison, FR) |
Permanent hydrophilic modification of fluoropolymers
OF THE INVENTION The present invention relates to a permanent hydrophilic modification for fluoropolymers and is characterized in that a thin film of a charged polyelectrolyte complex that is reorien... Read More
Inventors: Lunkwitz, Klaus; Buchammer, Heide-Marie; B urger, Wolfgang;, Assignee: |
Method and apparatus for dissolved air flotation with aeration
The present invention overcomes the above difficulties by recirculating waste water from the dissolved air flotation ("DAF") container through an aeration system of the present invention for aeration ... Read More
Inventors: Roshanravan, Mel; Grosskopf, Michael W.;, Assignee: Darling-Delaware Company, Inc. (Dallas, TX) |
Use of hydrocarbon polymers in demulsification
We claim: 1. A demulsifier composition comprising 1 to 20,000 parts of an oxyalkylated alkyl phenol-aldehyde resin and 5 to 100,000 parts of a hydrocarbon polymer or copolymer having a molecular weigh... Read More
Inventors: Tait, William S.; Greenlee, Roy W.;, Assignee: Petrolite Corporation (St. Louis, MO) |
Hydrophobically associating polymers for oily water clean-up
OF THE INVENTION The process of this invention for treating oily water or oil-in-water emulsions involves several sequential steps: (a) first adding, under suitable agitation conditions, a cationic p... Read More
Inventors: Jacques, Donald F.; Bock, Jan;, Assignee: Exxon Research and Engineering Company (Florham Park, NJ) |
Method of charge neutralization using chelants
OF THE INVENTION The present invention consists of a way to reduce the amount of Na.sup.+ needed to effect a given reduction in HCl evolution without causing precipitation of Mg(OH).sub.2 or CaCO.sub... Read More
Inventors: McCullough, T. Miles; Edmondson, James G.; Perugini, Joseph J.;, Assignee: Betz Laboratories, Inc. (Trevose, PA) |
Process for the separation of oil-in-water emulsions
What is claimed is: 1. A process for the separation of an oil-in-water emulsion in which the separation is carried out in two steps, whereby in the first step to the oil-in-water emulsion there is add... Read More
Inventors: Augustin, Thomas; Kehlenbach, Rolf; Litzinger, Ulrich;, Assignee: Bayer Aktiengesellschaft (Leverkusen, DE) |
Methods for removing iron from crude oil in a two-stage desalting system
OF THE PREFERRED EMBODIMENT Turning to FIG. 1, there is shown a desalter system 2 comprising system housing 4 containing an upstream desalter 6 and downstream desalter 8 in tandem relationship. Desal... Read More
Inventors: Awbrey, Spencer S.; Gropp, Ronald W.;, Assignee: Betz Laboratories, Inc. (Trevose, PA) |
Polymers for the treatment of boiler water
OF THE PREFERRED EMBODIMENTS In accordance with the invention, it has been discovered that certain water soluble copolymers, as shown in Formula I hereinafter, are effective in controlling the format... Read More
Inventors: Chen, Fu; Bair, Keith A.; Boyette, Scott M.;, Assignee: Betz Laboratories, Inc. (Trevose, PA) |
Polymers for the treatment of boiler water
OF THE PREFERRED EMBODIMENTS In accordance with the invention, it has been discovered that certain water soluble copolymers, as shown in Formula I hereinafter, are effective in controlling the format... Read More
Inventors: Chen, Fu; Boyette, Scott M.; Bair, Keith A.;, Assignee: Betz Laboratories, Inc. (Trevose, PA) |
Liquid Purification 
