AU2021107473A4 - Fish culture tank integrated with a novel water recirculating system - Google Patents

Abstract

FISH CULTURE TANK INTEGRATED WITH A NOVEL WATER RECIRCULATING SYSTEM ABSTRACT The present invention is related to Fish Culture Tank Integrated With a Novel Water Recirculating System . The objective of present invention is to solve the abnormalities presented in the prior art techniques related to fish culture tank and water circulating system thereof. The novel Recirculatory Aquaculture System (RAS) is presented where water is recycled and reused after mechanical and biological filtration and removal of suspended matter and metabolites 27 DRAWINGS FIGURE 1 28

Description

DRAWINGS

FIGURE 1

FISH CULTURE TANK INTEGRATED WITH A NOVEL WATER RECIRCULATING SYSTEM FIELD OF INVENTION

[001]. The present invention relates to the technical field advance fish

culture tank.

[002]. The present invention relates to the field water recirculating fish

culture tank.

[003]. Particularly, the present invention relates to the field of reuse of

water with disinfect the water in the fish culture tank.

[004]. More particularly, the present invention is related to Fish

Culture Tank Integrated With a Novel Water Recirculating

System .

BACKGROUND & PRIOR ART

[005]. The subject matter discussed in the background section should

not be assumed to be prior art merely as a result of its mention in the

background section. Similarly, a problem mentioned in the

background section or associated with the subject matter of the

background section should not be assumed to have been previously

recognized in the prior art. The subject matter in the background

section merely represents different approaches, which in-and-of

themselves may also be inventions.

[006]. As fishes are major source of protein, the growth in the fish farming

sector mainly comes from the freshwater aquaculture and about 12.8 % of

total animal protein consumed in India comes from freshwater fish.

[007]. Recirculation aquaculture is essentially a technology for farming fish

or other aquatic organisms by reusing the water in the production. The

technology is based on the use of mechanical and biological filters, and

the method can in principle be used for any species grown in aquaculture

such as fish, shrimps, clams, etc.

[008]. Recirculation technology is however primarily used in fish farming,

and this guide is aimed at people working in this field of aquaculture.

Recirculation is growing rapidly in many areas of the fish farming sector,

and systems are deployed in production units that vary from huge plants

generating many tons of fish per year for consumption to small

sophisticated systems used for restocking or to save endangered species.

[009]. Some of the work listed herewith:

[0010]. 1.112568172SEAWATER FISH RECIRCULATING WATER

CULTURE SYSTEM AND CULTURE METHOD CN

30.03.2021Int.Class A01K 63/00Appl.No 02011456414.7Applicant

HAINAN KUNCHENG NVIRONMENTAL PROTECTION

TECHNOLOGY CO., Divestor JIANG JINHANG The invention discloses

a seawater fish recirculating water culture system and culture method. The

seawater fish recirculating water culture system comprises a fishpond; a

filtering system is arranged on one side of the fishpond; a biochemical

reaction system is arranged at the bottom of the filtering system; a

disinfection and sterilization system is arranged on one side of the

biochemical reaction system; a temperature control monitoring system is

arranged on one side of the disinfection and sterilization system; a water

storage heat preservation box is arranged on one side of the fishpond; a

baffle is fixedly connected with the interior of the water storage heat

preservation box; an effluent weir is formed in the top of the baffle; and a

water inlet pipe is arranged on the side, away from the fishpond, of the water storage heat preservation box in a penetrating mode. According to the seawater fish recirculating water culture system and culture method, by arranging an arc-shaped screen, the effect of directly removing solid impurities in recirculating water can be achieved; through the arrangement of a temperature monitor, a temperature controller and a heater, the temperature of the recirculating water can be maintained consistent with the temperature in the fishpond; and through the arrangement of a mounting plate and a threaded hole, an ultraviolet disinfection lamp can be better replaced.

[0011]. 2.106857363LIGHT-TRANSMITTING BIOLOGICAL PURIFYING

RECIRCULATING WATER FISH CULTURE SYSTEM CN

20.06.2017Int.Class A01K 63/00Appl.No 102017000045444Applicant

QINHUANGDAO LIANGFENG MARINE ECOLOGY SCIENCE

& TECHNOLOGY DEVELOPMENT CO., LTD. Inventor WANG ZHIMIN

The invention discloses a light-transmitting biological purifying

recirculating water fish culture system, including a water source, a water

distribution workshop, a sun bio filter, a water division pool, a foam

separation pool, a foam separation tank, a sewage discharge pool, a

biological packing pool, an ultraviolet disinfection pool, an oxygenation

water supply pipeline, a fish culture workshop, and a secondary wetland

sewage treatment system. Therefore, through a creative biological purifying method, industrialized recirculating water fish culture is satisfied, and a bio filter with suitable illumination condition is built. Thus, various alga which is beneficial for purifying water quality, and rooted filter feeders and active microbial films can be cultivated in the bio filter, so water environment, cultured fishes, and microbe content and other factors form stable ecological balance, just like marine ecological environment.

Thus, a marine fishery pollution-free healthful aquaculture base is

established.

[0012]. 3.206963692WATER -SAVING ORNAMENTAL FISH CULTURE

DEVICE WITH DISINFECTION FUNCTION CN - 06.02.20181nt.Class

A01K 63/00Appl.No 01720806531.9Applicant MA PEIYANInventor MA

EIYAN The utility model discloses a water -saving ornamental fish

culture device with disinfection function, including oxygenating device, the

ultraviolet ray disinfection lamp, ultraviolet ray disinfectionlamp buckler,

first solenoid valve, the PVC pipe, air inflation pipe, the turbine, the

sucking disc, the vegetation lamp, the plant species portion of planting,

earth, the automatic feeder of fish bowl, waterproof LED lamp, the second

solenoid valve, the toughened glass baffler, the heating rod, fish bowl

shock attenuation strip, the separation net, the fixed bolster, the annular

spray line, zigzag tube, and a support, the water collector, shower nozzle

and bleeder vent, utilize the ultraviolet ray disinfection lamp to disinfect to the water inside the fish bowl, utilize the toughened glass baffler to prevent that the light direct irradiation of ultraviolet ray disinfection lamp from arriving on one's body the fish, utilize the turbine to increase watered mobility, utilize hot -water heating to the fish optimum temperature of heating rod in to the fish bowl, avoid the temperature to cross the low fish death that makes, this device can effective water purification, keep the temperature, automatic feeding is eaten, and waste water reuse, saves water resource.

[0013]. 4.212368187RECIRCULATINGAQUACULTURE SYSTEM WITH

BIOLOGICAL CARBON SOURCE CN - 9.01.2021Int.Class A01K

63/00Appl.No 02022181817.7Applicant ZHUHAI NANFANG LIYANG

QUATIC TECHNOLOGY CO., LTD.Inventor DING JIANHUA The

utility model discloses a recirculating aquaculture system with a biological

carbon source. The recirculating aquaculture system comprises a

conventional fish aquaculture area, a carbon-supplementing fish culture

area; a solid waste fermentation zone; breeding circulating water treatment

pond. According to the recirculating aquaculture system with the biological

carbon source, precipitates atthe bottoms of the conventional fish

aquaculture area and the carbon-supplementing fish aquaculture area enter

the solid waste fermentation area to be subjected to fermentation treatment,

so that the carbon content of tail water is increased, and finally the tail water flows into the aquaculture recirculating water treatment pond; and the tail water flows back to the conventional fish culture area and the carbon-supplementing fish culture area, and manual carbon supplementing is replaced by a biological carbon supplementing mode, so that the cost can be reduced, the resource utilization rate is high, the economic benefit is further improved, and zero emission of the tail water is realized.

[0014]. 5.1231295 GB - 12.05.1971Int.Class AO1K 1/OOAppl.No

1231295DApplicantlnventorl,231,295. Fish culture. VAPOR A.B. 21

Aug., 1969 [26 Sept., 1968], No. 41713/69. Heading AlA. An apparatus

for the rearing of spawn producing crustacea is characterized by at least

one compartment 9 in which the mother is kept. The top and bottom of the

compartments are bound by wire net (preferably plastics coated), 10, 11,

fastened on frames 16, 15. The top frame 16 has coarser wire netting than

the lower frame 15. Food may pass through the upper net but not the lower

net. The mesh of the lower net is sufficiently large to permit the young

when they hatch from the spawn to pass into the lower collection container

14. The floor of the lower container has on it an extremely fine net of wire

or fabric 12. The young may be collected when the water is recirculated.

Racks of the compartments may be stacked one upon the other and have a

single common collection container 14 and lower mesh 11.

[0015]. 6.212629579FISH CULTURE SYSTEM WITH VERTICAL

EFFICIENT CIRCULATING WATER CN - 2.03.2021Int.Class AO1K

63/OOAppl.No 02021142554.2Applicant GUANGXI UNIVERSITY

Inventor ANG LUODONG The utility model discloses a vertical high

efficiency circulating water fish culture system which comprises a frame,

culture jars, a purification pond, a submersible pump, a cold and hot water

machine, a water outlet pipe, a water drainage pipe, an overflow main pipe

and an overflow branch pipe, a plurality of layers of culture jars are

arranged on the frame, and the purification pond is arranged at the

bottommost layer of the frame; the purification tank is connected with a

water outlet pipe; the water outlet pipe is sequentially provided with a

submersible pump, a cold-hot water machine Anda drain pipe along the

water flow direction; an overflow branch pipe is arranged at the upper part

of the breeding tank; a drain pipe is arranged at the bottom of the breeding

tank; and water in thewater drainage pipes on the overflow main pipe and

the bottommost layer of culture tank flows back into the purification tank.

Based on the problems that the indoor area is limited and the water quality

is prone to damage, the vertical efficient recirculating water fish culture

system is constructed, and is characterized by being small in occupied area,

capable of keeping culture water at a constant temperature and in a

dynamic recirculating filtration state, capable of achieving recirculating

purification of indoor culture water, and capable of saving energy and reducing emission. Accumulation of harmful substances in a water body can be reduced, so that the stress response of fish is reduced, and the morbidity is reduced.

[0016]. 7.102792909FISH CULTURE SYSTEM AND METHOD USING

SALINE-ALKALINE WATER CN - 8.11.20121nt.Class A01K

61/00Appl.No 01210307752.3Applicant Heilongjiang River Fishery

esearch Institute, Chinese Academy of Fisheries SciencesInventor Cao

Guangbin The invention discloses a fish culture system and a fish culture

method using saline-alkaline water, belonging to the field of fish culture

and aiming to solve the problem that the saline-alkaline water is not used

for performing recirculating aquaculture in the prior art. The fish culture

system using the saline-alkaline water comprises a fishpond, a water

feeding and drainage system, a water treatment system and an automatic

monitoring control system. During culture, when the pH (potential of

Hydrogen) value is reduced to 7, an electromagnetic valve is controlled to

feed water of the fishpond into a neutral drainage tank through the

electromagnetic valve, and a mode 2 is executed; when the pH value is

increased to 7.5, the electromagnetic valve is controlled to feed the water

of the fishpond into a solid filter part through the electromagnetic valve

and a mode 1 is executed; the mode 1 is that a second water pump is

closed, a first water pump is opened, water reflows into a water return tank, and culture water in the water return tank is compressed and pumped into a biological ammonia-nitrogen removal part to perform ammonia-nitrogen treatment to form a water recirculating culture mode; and the mode 2 is that the first water pump is closed, water in the fishpond is directly drained into the neutral drainage tank, the second water pump is opened, and the water is reflowed into the fishpond.

[0017]. 8.211644787ANAEROBIC WETLAND ECOLOGICAL

PURIFICATION SYSTEM FOR NEW RURAL DOMESTIC SEWAGE

CN - 09.10.20201nt.Class 02F 3/32Appl.No 201922456117.lApplicant

CHENGDU TIANFU LONGZHONG ECOLOGICAL TECHNOLOGY

DEVELOPMENT CO., LTD.Inventor XU DEZHEN The utility model

relates to an anaerobic wetland ecological purification system for new rural

domestic sewage. The anaerobic wetland ecological purification system

comprises a slag removal grid meshgroove, a sand setting regulation

hydrolysis acidification pool, a multi-stage anaerobic pool, a sedimentation

pool, a filtering pool, an artificial wetland and a reuse water pool which are

communicated in sequence, biogas generated by the multi-stage anaerobic

tank is introduced into the gas-water separation device, a water outlet of

the gas-water separation device is communicated with the sand setting

adjusting hydrolytic acidification tank, an exhaust port of the gas-water

separation device is communicated with the desulfurization device, and an exhaust port of the desulfurization device isconnected with the gas storage tank. According to the utility model, anaerobic treatment and wetland treatment are combined, so that the pollutant removal rate is high, and the effluent quality is good. Anaerobic treatment is adopted, energy consumption is low, aeration is not needed in the treatment process, pollution of odor diffusion to the surrounding atmospheric environment is avoided, and no noise is generated; the energy consumption is low, the gas production rate is good, generated biogas is used as fuel, the productivity is improved, and pollution is reduced; and the treated and purified water reaches the emission standard, and is reused as water for cleaning, cooling and agricultural irrigation, or stored as water for fire fighting and ecological pond fish culture.

[0018]. 9.20210227808DEVICE AND METHOD FOR FISH

REPRODUCTION, HATCHING AND LARVAL CULTURE US

29.07.2021Int.Class A01K 63/04Appl.No 7227424Applicant Suzhou

Fishseeds Bio-Technology Co., td.Inventor Qinghua LIU A device for fish

reproduction, hatching and larval culture including an aeration device, a

first netted division plate, a second netted division plate, a first water

pump, a first net cage, a second water pump, and a second net cage. When

in use, the device is disposed in a pond. The pond includes a breeding area,

a hatching area, and a nursery area, and each of the breeding area, the hatching area, and the nursery area communicates with the other two. The first netted division plate is disposed between the breeding area and the hatching area, and a first water recirculating loop is formed between the breeding area and the hatching area to drive water to flow from the breeding area to the hatching area, and back to the breeding area. The second netted division plate is disposed between the hatching area and the nursery area.

[0019]. 10.101595855WATER AND SEWAGE DRAINAGE FACILITY

FOR INDUSTRIAL RECIRCULATING AQUACULTURE SYSTEM CN

- 09.12.20091nt.Class A01K 3/04Appl.No 200910016966.3Applicant

Institute of Oceanology, Chinese Academy of SciencesInventor Liu Ying

The invention relates to a water and sewage drainage facility for an

industrial recirculating aquaculture system, which is suitable for

respectively draining the circulating water and sewage containing large

particles such as residual lure, feces and the like in a closed recirculating

water system which is used for culturing fish and shrimps. A central

culture pond water drainage pipe of the facility is arranged in the center of

the culture pond; sewage drainage holes are arranged at the bottom of the

center of the culture pond; the central culture pond water drainage pipe is

fixed above the sewage drainage holes, and the pipe wall of the water

drainage pipe is provided with small drainage holes; the upper end of the central culture pond water drainage pipe is connected with a filter cap, and the lower end thereof is a spigot-and-socket joint pipe that extends into a sewage drainage groove; the culture water flows into a water treatment pipe network outside the pond through the water drainage pipe; a sewage drainage clearance control panel is installed at the bottom of the central culture pond water drainage pipe, and the clearance between the panel and the bottom of the pond can be adjusted by rotating the sewage drainage clearance control panel; the sewage at the bottom of the culture pond flows into the sewage drainage groove through a clearance between the sewage drainage clearance control panel and the pond bottom and then flows out of the system. The facility has the characteristics of no energy consumption, automatic drainage of culture water, independent water and sewage drainage, practicality, convenience and the like..

[0020]. Groupings of alternative elements or embodiments of the invention

disclosed herein are not to be construed as limitations. Each group member

can be referred to and claimed individually or in any combination with

other members of the group or other elements found herein. One or more

members of a group can be included in, or deleted from, a group for

reasons of convenience and/or patentability. When any such inclusion or

deletion occurs, the specification is herein deemed to contain the group as modified thus fulfilling the written description of all Markus groups used in the appended claims.

[0021]. As used in the description herein and throughout the claims that

follow, the meaning of "a," "an," and "the" includes plural reference unless

the context clearly dictates otherwise. Also, as used in the description herein,

the meaning of "in" includes "in" and "on" unless the context clearly

dictates otherwise.

[0022]. The recitation of ranges of values herein is merely intended to serve as

a shorthand method of referring individually to each separate value falling

within the range. Unless otherwise indicated herein, each individual value is

incorporated into the specification as if it were individually recited herein.

All methods described herein can be performed in any suitable order unless

otherwise indicated herein or otherwise clearly contradicted by context.

[0023]. The use of any and all examples, or exemplary language (e.g. "such

as") provided with respect to certain embodiments herein is intended merely

to better illuminate the invention and does not pose a limitation on the scope

of the invention otherwise claimed. No language in the specification should

be construed as indicating any non-claimed element essential to the practice

of the invention.

[0024]. The above information disclosed in this Background section is

only for enhancement of understanding of the background of the

invention and therefore it may contain information that does not form

the prior art that is already known in this country to a person of

ordinary skill in the art.

SUMMARY

[0025]. The present invention mainly cures and solves the technical

problems existing in the prior art. In response to these problems, the

present invention provides Fish Culture Tank Integrated With a Novel

Water Recirculating System.

[0026]. As one aspect of the present invention relates to A Fish Culture

Tank Integrated With a Novel Water Recirculating System, wherein

the fish culture tank comprises; A basic water treatment system

consists of a mechanical filtration, a biological treatment , a

aeration/stripping, a filter bed with pebbles. Wherein a as oxygen

enrichment or UV disinfection is added depending on the

requirements, wherein a oxygenation with pure oxygen, a ultraviolet

light or ozone disinfection is used , an automatic pH regulation, a

heat exchanging, denitrification, are used in the fish culture tank;

Plurality of Biofilters are used in recirculation systems can be designed as fixed bed filters or moving bed filter, wherein water runs through the media as a laminar flow to make contact with the bacterial film, In the moving bed filter, the plastic media is moving around in the water inside the biofilter by a current created by pumping in air; and Plurality of pumps, are used for circulating the process water in the system.

OBJECTIVE OF THE INVENTION

[0027]. The principal objective of the present invention is to provide

Fish Culture Tank Integrated With a Novel Water Recirculating

System .

BRIEF DESCRIPTION OF DRAWINGS

[0028]. Further clarify various aspects of some example embodiments of

the present invention, a more particular description of the invention

will be rendered by reference to specific embodiments thereof which

are illustrated in the appended drawings. It is appreciated that these

drawings depict only illustrated embodiments of the invention and are

therefore not to be considered limiting of its scope. The invention will

be described and explained with additional specificity and detail

through the use of the accompanying drawings.

[0029]. In order that the advantages of the present invention will be

easily understood, a detailed description of the invention is discussed

below in conjunction with the appended drawings, which, however,

should not be considered to limit the scope of the invention to the

accompanying drawings, in which:

[0030]. Figure 1 shows an exemplary representation of Fish Culture

Tank Integrated With a Novel Water Recirculating System, according

to the present invention

DETAIL DESCRIPTION

[0031]. The present invention discloses Fish Culture Tank Integrated

With a Novel Water Recirculating System.

[0032]. Figure 1 shows the exemplary representation of Fish Culture

Tank Integrated With a Novel Water Recirculating System , according

to the present invention.

[0033]. Although the present disclosure has been described with the

purpose of two smart frameworks for providing privacy and protection

in block chain based private transactions using cloud computing

approach, it should be appreciated that the same has been done merely

to illustrate the invention in an exemplary manner and to highlight any

other purpose or function for which explained structures or

configurations could be used and is covered within the scope of the

present disclosure.

[0034]. An Fish Culture Tank Integrated With a Novel Water

Recirculating System is disclosed.

[0035]. RS operate by filtering water from the fish tanks so it can

be reused within the tank. This dramatically reduces the amount of

contaminated water and also helps in solids removal, ammonia

removal, C02 removal and aeration Recirculation systems (RS)

represent a new and unique way to farm fish. Instead of the

traditional method of growing fish outdoors in open ponds and

raceways, this system rears fish at high densities, in indoor tanks

with a "controlled" environment. Recirculating systems filter and

clean the water for recycling back through fish culture tanks. New

water is added to the tanks only to make up for splash out and

evaporation and for that used to flush out waste materials. There

are other following advantages of self-made recirculating system.

[0036]. Principle drawing of a recirculation system. The basic

water treatment system consists of mechanical filtration, biological

treatment and aeration/stripping, filter bed with pebbles. Further

installations, such as oxygen enrichment or UV disinfection, can be

added depending on the requirements. Several other facilities can

be added, such as oxygenation with pure oxygen, ultraviolet light

or ozone disinfection, automatic pH regulation, heat exchanging,

denitrification, etc. depending on the exact requirements..

[0037]. In a recirculation system, a high utilization rate of the feed

is beneficial as this will minimize the amount of excretion products

thus lowering the impact on the water treatment system.

[0038]. C02 is removed by aeration of the water, whereby

degassing takes place. Biofilters used in recirculation systems can

be designed as fixed bed filters or moving bed filters. All biofilters

used in recirculation will work as submerged units under water. In

the fixed bed filter, the plastic media is fixed and not moving. The

water runs through the media as a laminar flow to make contact

with the bacterial film. In the moving bed filter, the plastic media is

moving around in the water inside the biofilter by a current created

by pumping in air.

[0039]. Before the water runs back to the fish tanks accumulated

gases, which are detrimental to the fish, must be removed. This

degassing process is carried out by aeration of the water, and the

method is often referred to as stripping.

[0040]. The aeration process of the water, which is the same

physical process as degassing or stripping, will add some oxygen to

the water through simple exchange between the gases in the water

and the gases in the air depending on the saturation level of the

oxygen in the water.

[0041]. Maintaining an optimal water temperature in the culture

system is most important as the growth rate of the fish is directly

related to the water temperature.

[0042]. In an indoor recirculation system the heat will slowly

build up in the water, because energy in the form of heat is released

from the fish metabolism and the bacterial activity in the biofilter.

Heat from friction in the pumps and the use of other installations

will also accumulate.

[0043]. Different types of pumps are used for circulating the

process water in the system. Pumping normally requires a

substantial amount of electricity, and low lifting heights and

efficient and correctly installed pumps are important to keep

running costs at a minimum.

[0044]. The lifting of water should preferably occur only once in

the system, whereby the water runs by gravity all the way through

the system back to the pump sump.

[0045]. Pumps are most often positioned in front of the biofilter

system and the degasser as the water preparation process starts here.

In any case, pumps should be placed after the mechanical filtration

to avoid breaking the solids coming from the fish tanks. The culture

water is purified and reused continuously.

[0046]. The present apparatus is an almost completely closed

circuit. The produced waste products; solid waste, ammonium and

C02, are either removed or converted into non-toxic products by the

system components. The water and energy requirements are limited

to an absolute minimum.

[0047]. .There are following advantages of the present invention:

• Less use of water

" Better growth in controlled culture

" Enhances disease resistance

" Proper estimation and sampling

" Less time consuming

" Use of fecal materials of fish for microbiological analysis.

" Fully controlled environment for the fish

" Lowwateruse

" Efficient energy use

" Efficient land use

* Optimal feeding strategy

" Easy grading and harvesting of fish

" Full disease control

" In a recirculation system, a high utilization rate of the

feed is beneficial as this will minimize the amount of

excretion products thus lowering the impact on the water

treatment system.

[0048]. The figures and the foregoing description give examples of

embodiments. Those skilled in the art will appreciate that one or

more of the described elements may well be combined into a single

functional element. Alternatively, certain elements may be split into

multiple functional elements. Elements from one embodiment may

be added to another embodiment.

[0049]. For example, order of processes described herein may be

changed and are not limited to the manner described herein.

Moreover, the actions of any block diagram need not be

implemented in the order shown; nor do all of the acts need to be

necessarily performed. Also, those acts that are not dependent on

other acts may be performed in parallel with the other acts. The

scope of embodiments is by no means limited by these specific

examples.

[0050]. Although implementations of the invention have been described

in a language specific to structural features and/or methods, it is to

be understood that the appended claims are not necessarily limited to

the specific features or methods described. Rather, the specific

features and methods are disclosed as examples of implementations

of the invention.

Claims (3)

CLAIMS I/We claim:

1. A Fish Culture Tank Integrated With a Novel Water

Recirculating System, wherein the fish culture tank comprises

A basic water treatment system consists of a mechanical

filtration, a biological treatment , a aeration/stripping, a filter bed

with pebbles. Wherein a as oxygen enrichment or UV

disinfection is added depending on the requirements, wherein a

oxygenation with pure oxygen, a ultraviolet light or ozone

disinfection is used , an automatic pH regulation, a heat

exchanging, denitrification, are used in the fish culture tank;

Plurality of Biofilters is used in recirculation systems can be

designed as fixed bed filters or moving bed filter, wherein water

runs through the media as a laminar flow to make contact with the

bacterial film, In the moving bed filter, the plastic media is

moving around in the water inside the biofilter by a current

created by pumping in air; and

Plurality of pumps, are used for circulating the process water in

the system.

2. The Fish Culture Tank Integrated With a Novel Water

Recirculating System as claimed in claim 1, The produced waste

products solid waste, ammonium and C02, are either removed or

converted into non-toxic products by the system components.

3. The Fish Culture Tank Integrated With a Novel Water

Recirculating System as claimed in claim 1, Wherein the Pumps

are most often positioned in front of the biofilter system and the

degasser as the water preparation process starts, wherein the

pumps should be placed after the mechanical filtration to avoid

breaking the solids coming from the fish tanks.

FIGURE 1 DRAWINGS