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7413649 |
Treatment apparatus with modular chemical containing units having one-way valve assemblies
A fluid treatment system that includes at least one treatment module (“pod”) with rigid and impermeable inner and outer surfaces, and an annular center passage which is designed to provide an...
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7390419 |
Waste water recovery system
A waste water recovery system to filter and recirculate waste water to a wash system including a fluid recovery line, a fluid supply line and a fluid backwash line comprising a filter assembly...
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7314546 |
Disinfectant system and method for the chemical treatment of wastewater
A system for the chemical treatment of wastewater may be discharged in a night spray system, an on demand system or a dosing system. Tank 12 receives wastewater, and a discharge pump 16 pumps...
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7175054 |
Method and apparatus for disinfecting a refrigerated water cooler reservoir
A method and apparatus for providing sanitized water in a cabinet and spigot type bottled water dispenser features an ozone generating system to generate ozone for sanitizing the water. Ozone is...
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7048861 |
System and method for in-well aeration
A method of aerating a well having a well pump positioned therein is disclosed which includes the steps of positioning an air diffuser within the well above the level of the well pump, determining...
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6936170 |
Methods and apparatus for biological treatment of aqueous waste
A biofilter system of the present invention utilizes an Alternating-Aerobic-Anoxic (AAA) process in a single reactor to provide efficient and cheap removal of carbonaceous materials, nitrogenous...
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6780319 |
Method and installation for treating effluents, comprising an additional treatment of the sludge by ozonization
Method of purifying wastewater charged with organic matter which comprises a step of biologically treating the water, during which the organic matter contained in the water is degraded by...
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6770206 |
Method and apparatus for handling liquid waste in a wet-well
An apparatus for preventing formation of a solid or semi-solid surface layer in liquid waste contained in a wet-well includes an air pump adapted to pump air into the wet-well and an air pump...
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6767464 |
Process and apparatus for waste water treatment
Systems for treating water containing unwanted contaminants. More particularly, the present invention relates to waste water treatment systems including biological media used to aerobically or...
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6740231 |
Self-contained cooling system feed and bleed system
Apparatuses, systems and methods for monitoring and/or controlling treatment of aqueous systems including water cooling systems are provided. The present invention includes a self-contained...
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6620315 |
System for optimized control of multiple oxidizer feedstreams
This invention is directed to a method and apparatus for controlling and optimizing the feed of two or more oxidizers to an aqueous stream, thereby providing a synergistic effect. The system...
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6596159 |
Automatic regeneration valve for water softener
A regeneration valve 131 is adapted for automatic activation of ion exchange resin in a water softener. The regeneration valve includes a switching valve 1, a control valve 32, a water...
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6576130 |
Absorption field reclamation and maintenance system
A wastewater absorption field reclamation and maintenance system, wherein effluent (wastewater) is oxygenated such that BOD is not reduced in the effluent, the oxygenated effluent being delivered...
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6524471 |
Backwash control system for a filter unit used in a machine tool system
A filter unit in a fluid circuit associated with a machine tool that uses machining fluid is maintained by counting the number of times the machine tool is operated and automatically servicing the...
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6402954 |
Method and apparatus for monitoring and cleaning a fluid filter system
A method and apparatus for optimizing the filtration of process fluid. The system provides establishing a peak flow rate of permeate through a filter and then engaging a filtering cycle in which...
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6379540 |
Method and apparatus for flushing contaminants from a container of fluids
A contaminant flushing machine for removing contaminants from a container, such as an engine transmission or transmission cooler which includes hoses for coupling to the transmission cooler and a...
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6332978 |
Apparatus for reducing nitrate concentration in wastewater
The present invention is a method for reducing the nitrate concentration in wastewater within a wastewater treatment apparatus configured to define an aeration zone and a quiescent zone. The method...
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6126819 |
Apparatus for the treatment of liquids contaminated by foreign substances
In an apparatus for the treatment of liquids including foreign substances, particularly municipal and commercial waste waters, comprising a membrane separating structure having membrane elements,...
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6086754 |
Dispensing apparatus having an improved filter unit
For processing raw water into drinking water, a dispensing apparatus is provided with a filter member disposed in a water tank through which the raw water is made to flow. The filter member...
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6063295 |
Apparatus and method to increase oxygen levels in livestock drinking water
Apparatus to increase the level of oxygen ingested by livestock by oxygenation of the livestock water supply includes an enclosed tank having a top and having an inlet for admitting water from a...
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6054044 |
Apparatus and methods for wastewater treatment from high volume livestock production
An system for treating livestock wastewater to provide treated water suitable for exposure to livestock and crop irrigation. The system provides an anoxic culture, an anaerobic culture, and an...
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5985155 |
Method and apparatus for automatic adjustment of halogen production in a water treatment system
A method and apparatus for automatically adjusting electrolytic production or feeding of a sanitizer such as halogen for treating a water body such as a swimming pool or spa. A microprocessor is...
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5961845 |
Solid product system and method of using same
A dispenser system for treating water containing systems in place with a dry chemical substance. The dispenser has a water soluble pouch housing a dry form of a chemical material to be used in...
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5944649 |
Method and device for the supply of control liquid to a centrifugal separator
Method and device (21) for the supply of control liquid to a rotor of a centrifugal separator, which device (21) includes a cylinder (25), in which a movable wall element (26) is arranged, which...
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5914047 |
On-site biohazardous liquid medical waste collection and treatment system and method of using such system
A biohazardous liquid medical waste collection and treatment system provides on-site collection and treatment of surgical fluids. The system is mobile, and includes an upper unit and one or more...
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5866002 |
Apparatus for activation of a digesting agent and method of its use
This invention provides an apparatus for activation of a digesting agent for an organic material, the apparatus including a tank, a device for activating the digesting agent in the tank, and a...
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5792343 |
Brine supply system
A brine supply system including a first brine tank to store diluted brine of a predetermined concentration to be supplied into an electrolytic brine treatment device and a second brine tank to...
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5759387 |
Grey water filter tank recovery system and filter backwashing system
A grey water recovery system comprises a filter tank having a filter medium therein. Grey water is delivered to the filter tank by a delivery conduit and filtered grey water is collected in a sump...
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5690818 |
Spray sludge suppression system
In a waste water treatment system having a container and waste water disposed therein, an apparatus for treating a sludge blanket comprising at least one spray assembly, the spray assembly fluidly...
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5614086 |
Method and apparatus for removing contaminants from a water supply
A bubble aeration system and method for removing radon and other contaminants from domestic or commercial water supplies in a single tank having a baffle arrangement or channels creating a sinuous...
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5582719 |
Filtration system
A filtration system comprising a housing whose overall surface, excepting a bottom surface and an upper surface, is tightly closed, a filter medium disposed within the housing, an air jetting...
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5575913 |
Filtration apparatus and method for removing particulate contaminants from commercial laundry waste water
A filtration apparatus and method having a housing, a filter element, an inlet, a first discharge outlet and a second discharge outlet. The housing includes a bottom and an upwardly extending...
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5556535 |
Filtration system for recycling water used in a car wash
The invention relates to a method for the purification of a polluted liquid, especially a washing liquid used at a washing installation, by sucking the polluted liquid and leading it through at...
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5468375 |
Wastewater pretreatment tank assembly
A wastewater pretreatment tank assembly reduces the amount of solid matter on sludge in household sewage before the wastewater is introduced into a municipal sewage treatment system. Bacteria and...
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5462673 |
Cleaning system for vibratory screening devices
A vibratory screen apparatus (10) for the separation of solids has a cleaning system to clean the screen bed (15) of adhering solids, such as matted fibrous materials. A water discharge assembly...
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5422014 |
Automatic chemical monitor and control system
An automatic system to precisely maintain bactericidal action in a reservoir of water equipped with a recirculation system, such as a swimming pool, decorative fountain, spa, cooling water...
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5366619 |
Germfree drinking water dispenser
A germfree drinking water dispenser includes a reservoir for receiving and reserving drinking water such as mineral water and an ozone injecting device. The ozone injecting device includes a...
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5362401 |
Method and apparatus for cleaning a filter apparatus
A method and apparatus for cleaning a filter apparatus in which liquid influent is passed through web filter material on a rotatable filter frame into a filter effluent compartment and wherein the...
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5320748 |
Acid dispensing system for a swimming pool
An acid dispensing system and method of dispensing swimming pool acid into a water circulation system of a swimming pool. The acid dispensing system includes a unique normally closed valve having...
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5268094 |
Wastewater processing apparatus
A method is provided in accordance with this invention for treating wastewater in a tank having comminute, mix and settle sections. The method comprises receiving wastewater in the comminute...
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5232584 |
Method and apparatus for purifying and compacting solid wastes
The present invention relates to a multi-stage, single reactor, purification system for disinfecting, washing, and concentrating solid wastes, which include contaminated soil, highly concentrated...
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5186821 |
Wastewater treatment process with cooperating velocity equalization, aeration and decanting means
A wastewater treatment system is disclosed which utilizes only one fiberglass tank which has no compartments but includes a first flow equalization collector surrounded by a cylindrical partition...
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5182008 |
Filtration assembly
A filtration apparatus including a rotatable drum and a filter member defining at least a part of the side wall of the drum. A liquid containing solid particles, such as used wash water from a...
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5156745 |
Induced gas liquid coalescer and flotation separator
Simplified single cell fluid flow apparatus for flotation removal of suspended impurities and liquids are provided wherein the method and apparatus are directed to an induced gas liquid coalescer...
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5152252 |
Water treatment control system for a boiler
An apparatus controls treatment of water flowing through a boiler and includes a device that monitors the conductivity of the water. A controller opens a drain valve at periodic intervals, and...
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5151197 |
Fluid treatment
Apparatus (1) for treating fluid, in this case wastewater, comprising a treatment vessel or tank (2), means (3) to supply wastewater to be treated in a pulsed sequence to the vessel, and means (4)...
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5106495 |
Portable water purification device
A portable ozonization system having a tank mounted on a base housing a battery, pump and associated components. A photovoltaic battery charger is mounted on a surface of the tank. Water from the...
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5096598 |
Pressurized purging of a liquid drain for a vacuum system
The present invention is directed to an improved purging of a liquid drain system for a liquid separator used in a moisture laden process vacuum system wherein the liquid separated from the flow...
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5096596 |
Process and apparatus for removal of mineral contaminants from water
An apparatus for removing mineral contaminants from water is disclosed which has an aeration tank connected to a supply of water and having an inlet for admitting the water to the aeration tank and...
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5091095 |
System for controlling drain system treatment using temperature and level sensing means
Automatic treatment of a drain system is provided by the controlled injection of a bio-active liquid at established intervals into the drain system. A container of the treatment liquid is provided...
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