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7624703 |
Method and device for removal of ammonia and other contaminants from recirculating aquaculture tanks
A method for reducing ammonia concentration in an aqueous medium caused by the presence of fish gill/urine discharge, fish faeces and uneaten organic fish-feed particulate matter in recirculating...
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7544286 |
Method and apparatus for enhancing aquatic environments
Submerged media useful with or without aeration and/or mixing to enhance an aquatic environment by promoting and retaining biogrowth. The media takes the form of a cluster of individual flexible...
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7523718 |
System and method for transporting live aquatic animals
A system for transporting live aquatic animals between shipping points, said system comprising water filled tank units 300 for containing the live animals in a life supporting aquatic environment...
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7462284 |
Dissimilatory sulfate reduction as a process to promote denitrification in marine recirculating aquaculture systems
The present invention relates to a novel approach for nitrate removal from a marine recirculating system ( 10 ) wherein high concentrations of sulfate found in seawater is used in combination with...
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7306733 |
Autotrophic denitrification chamber and calcium reactor
The present invention describes novel biological systems for efficiently reducing nitrate levels and otherwise conditioning aquarium water and water in similar environments.
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7222585 |
Aquaculture process and apparatus
A method suitable for commercial aquaculture, the method comprising the steps of: (a) at least partially filling a tank ( 3 ) with an aqueous medium ( 13 ), the tank ( 3 ) being adapted for control...
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7052601 |
Process and means for the treatment of water in an aquaculture system
A process and a means are described for treatment of water that forms a growth environment for marine organisms, where this water is in a main tank that is placed on land. The invention provides a...
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7029577 |
Aquaculture system
A self-contained aquaculture system comprising a modular building defining a first main chamber for containing fish or marine invertebrates, a second swirl chamber comprising a primary filter...
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7001519 |
Integrated closed loop system for industrial water purification
The present invention relates to an integrated closed loop system for aquaculture in at least one culturing tank and using continuous bioreactor technology for the biological treatment and removal...
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6966982 |
Aquaculture water quality ecology system
An aquaculture water quality ecology system to improve water quality in an aquaculture pond by guiding water into a physical filtration tank at the top of the system, then flow into a sedimentation...
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6932025 |
Scalable fish rearing raceway system
A scalable fish rearing raceway system is provided, incorporating a fish containment structure having two semi-circular end sections, and two or more parallel fish raceways, surrounding a central...
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6827855 |
Method of treating sewage
A first holding tank includes a base and a plurality of sidewalls extending upwardly from the base to define an open top. An inlet pipe provides raw sewage into tank. Tank is part of a sewage...
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6730226 |
Water purifying method and apparatus
A method for purifying water including nitrification by aerobic bacteria and denitrification by anaerobic bacteria in an apparatus by providing an elongated, closed water channel.
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6659043 |
Aquarium water circulation system
A aquarium water circulation system for facilitating removal of water and cleaning of an aquarium. The aquarium water circulation system includes a support member having a base portion. The support...
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6447681 |
Aquaculture wastewater treatment system and method of making same
An aquaculture wastewater treatment system is provided including three wastewater treatment subsystems. The first subsystem is comprised of a fish raceway solids removal channel populated with...
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6318292 |
Clean water system and structure of the system
A clean water system and structure that positively utilize the natural water purification system present in rivers, the ocean and other natural water bodies to prevent water fouling and stench over...
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6210567 |
Filtration device for tank water for aquarium fish
A filtration device for tank water for aquarium fish having several partitions dividing the casing into several filtration chambers. A removable filtration cartridge is inserted into each...
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6202677 |
Multi-functional cleaning and filtering system for aquarium tank
A cleaning and filtering apparatus and method for a tank such as an aquarium. The major components are an inlet water controller, a suction unit, and a filter container unit. The filter container...
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6123841 |
Waste-water filtration and purification device for fish cultivation
A waste-water filtration device for fish cultivation comprises a thin rotatable filter material through which waste water flows from the inside surface to the outside surface, a removing means...
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6065430 |
Fish culturing system
A fish culturing system including a fish culture tank using opposed water flows, and including a water purification unit using only compressed air to power the system. The fish culture tank uses...
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6041738 |
Fish pond methods and systems
This invention pertains to a fish pond system for use as a fish pond amusement park. The fish pond system includes a fish pond having at least one fish container in a deeper, typically a central...
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5979362 |
Aquaculture system
Aquaculture system includes a plurality of tanks each capable of holding a volume of water and one or more marine animals. A separate liner is provided for each tank. Liners are attached along the...
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5792368 |
Fluidized bed filter
A fluidized bed filter is described and claimed. The filter is exemplified for use in an aquaculture system. A preferred embodiment of the filter of the subject invention comprises a cylinder...
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5693220 |
Aquarium filtration system for semi-aquatic animals
An aquarium filtration system for semi-aquatic animals, such as turtles, frogs and the like, which provides for collection and removal of waste material or debris generated within the aquarium...
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5660142 |
Water quality control in fish ponds
There is provided a system for water quality control and improvement in intensive fish culture systems. The aim of the water treatment is to reduce the content of inorganic nitrogen and of organic...
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5593574 |
Water treatment system particularly for use in aquaculture
The invention relates to a water treatment system and more particularly to a fish tank and biofilter for use in a fish aquaculture. The fish tank has a double outlet system whereby solid waste...
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5584991 |
Filtration system for ponds
Accordingly, a filtering system for ponds is provided. The system includes a pond filtering and skimming device having defining a first internal chamber. Disposed within the chamber is a removable...
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5560318 |
Method of raising sea-water fish, display tank for sea-water fish and tank system for raising sea-water fish
A method of raising sea-water fish is performed by raising the sea-water fish in water in a display tank which includes a device for circulating the water in the tank, a filtering material...
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5322035 |
Hydrological system for a closed ecological system
A method for establishing a hydrological cycle in a closed ecological system is disclosed. The hydrological cycle results in the establishment of a variety of different micro-environments which...
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5176100 |
Aquarium with closed water recirculatory system for culturing fish and shellfish
Toxic metabolic products (e.g., ammonia) in water can be decomposed effectively by a close contact of ammonia with oxygen on the large surface area of plastic substrates in the biofilter tank...
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5046451 |
Fish farm and hydroponic greenhouse
Combined fish farm and hydroponic network. The fish farm and hydroponic network are interdependent and operate on a constant body of water which is continuously circulated from the fish tank to the...
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4951606 |
Fish tank for intensive fish fattening and process for operating such a fish tank
Intensive fish fattening in open waters is increasingly disturbed by deposits of harmful substances. Fish fattening in artificial ponds is uneconomic because of the considerable outlay in terms of...
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4892651 |
Filtering system for fish ponds
A filtering system for use with fish-containing ponds and bodies of water is disclosed. More particularly, the filtering system includes chambers for harboring micro-organisms which clean organic...
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4861465 |
Anti-reverse siphoning water circulating system for aquariums
Apparatus for a recirculating aquarium water supply system having a tank with a discharge control device for maintaining the level of the water in the tank and incorporating an overflow receptacle...
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4806237 |
Waste removal apparatus
Apparatus for use in removing waste from a fish culture system including a tank through which water from the system may be circulated, filters mounted in upright and spaced apart relation across...
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4427548 |
Filtering method and apparatus
A marine and fresh water filtration and polishing method and apparatus which provides mechanical filtrations; improved removal of chlorinated hydrocarbons, ammonia, and nitrite; aeration; and...
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4211183 |
Fish raising
Raising food fish utilizing apparatus including a fish tank having a biological filter submerged in it, by recirculating water through the biological filter to remove ammonia, the water in the fish...
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4169050 |
Buoyant contact surfaces in waste treatment pond
A wastewater treatment and reclamation system using natural ecological processes consisting of ponds; greenhouse pond cover; pollution-consuming, floating aquatic plants; high-surface-area,...
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4093546 |
Biological filter
An apparatus is disclosed for removing organic waste from a stream of water and for growing Tubifex worms, Chironomidae larvae, infusoria and other like organisms. The apparatus comprises a...
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4067809 |
Filtering system for fish-farming water
A filtering system is disclosed for effectively filtering the water of aquariums for tropical or salt-water fish, the water of fish-farming ponds, and/or any other type of fish-farming water. The...
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4052960 |
Fish rearing system
A fish rearing system. The fish rearing system includes a rearing tank, filtration means and means to recycle water in the system. The system includes an ozone contact unit in which, when the...
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4028245 |
Arrangement for conversion of foreign matter contained in water
An arrangement for converting foreign and harmful matter found particularly in sewage water, in which the foreign matter is converted into harmless materials. A conversion tank with an intake for...
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3973519 |
Screening device in a closed-loop aquaculture system
This invention is a screening apparatus for retaining small marine animals in a growing container connected to closed-loop aquaculture system. The screening apparatus comprises (a) a first plate;...
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3957017 |
Contaminant filter in a closed-loop aquaculture system
This invention is drawn to the use of an open-cell, polyurethane foam to remove dissolved contaminants from water in an aquaculture system. The foam is made by suitably reacting a hydroxylated...
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3842804 |
FISH-REARING FACILITY
Water is withdrawn from a fish rearing tank by an air lift pump to a tank alongside the pond. Part of such water may be returned to the tank through aeration sprays. The balance of the water passes...
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3661262 |
FILTRATION AND CIRCULATION SYSTEM FOR MAINTAINING WATER QUALITY IN MARICULTURE TANK
A filtration and circulation system for maintaining the water quality in a fish tank favorable for promoting the production and growth of fish therein and for circulating water therethrough at a...
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3155609 |
Stabilization of a closed or open water system through the selective utilization of light
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