A manufacturer specializing in recirculating aquaculture system

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  • eWater - Indoor recirculating aquaculture system fish farming RAS Solution for Tilapia Fish farming Recirculating aquaculture system
  • eWater - Indoor recirculating aquaculture system fish farming RAS Solution for Tilapia Fish farming Recirculating aquaculture system
  • eWater - Indoor recirculating aquaculture system fish farming RAS Solution for Tilapia Fish farming Recirculating aquaculture system in Zhongshan
  • eWater - Indoor recirculating aquaculture system fish farming RAS Solution for Tilapia Fish farming Recirculating aquaculture system company
  • eWater - Indoor recirculating aquaculture system fish farming RAS Solution for Tilapia Fish farming Recirculating aquaculture system manufacturer
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  • eWater - Indoor recirculating aquaculture system fish farming RAS Solution for Tilapia Fish farming Recirculating aquaculture system factory

eWater - Indoor recirculating aquaculture system fish farming RAS Solution for Tilapia Fish farming Recirculating aquaculture system

Driven by business needs, we have been constantly optimizing and upgrading our technologies.These technologies contribute to our high-efficiency manufacturing process.In the application field(s) of Other Aquaculture Equipment, the recirculating aquaculture system and aquaculture equipment proves to be very useful.
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  • Products Details

While Zhongshan eWater Aquaculture Equipment Technology Limited consciously carrying out personnel training and technological innovation, it also continuously strengthens external communication and exchanges to improve its own competitiveness. We offer buyer Indoor recirculating aquaculture system fish farming RAS Solution for Tilapia Fish farming that they need at prices that fit their pocket. Zhongshan eWater Aquaculture Equipment Technology Limited adhere to the corporate philosophy of 'people orientation' and always advocate honesty, innovation, and fairness. We hope to occupy an important position in the industry and become one of the most leading brands in the future.

Place of Origin:Guangdong, ChinaBrand Name:eWater, eWater
Model Number:EW-RASProduct name:Indoor aquaculture system fish farming RAS Solution for Tilapia
Water Volume:60m3/100m3/200m3/300m3 and moreFish Species:Tilapia/Catfish/Sturgeon/Shrimp/Seabass and more
Water:Fresh water or salt waterApplication:Indoor Fish Farming water treatment
Main Equipment:Drum Filter/Protein Skimmer/Biofilter/Degassing and moreCustomize Available:Solution for all kinds of fish species and capacity
Factory Visit:AvailableUse:Indoor Aquaculture Fish Farming

RASDescription
MaineWaterRASprocessesandtheequipmentnecessaryAseriesoftreatmentprocessesisutilizedtomaintainwaterqualityinintensivefishfarmingoperations.Thesestepsareoftendoneinorderorsometimesintandem.Afterleavingthevesselholdingfishthewaterisfirsttreatedforsolidsbeforeenteringabiofiltertoconvertammonia,nextdegassingandoxygenationoccur,oftenfollowedbyheating/coolingandsterilization.Eachoftheseprocessescanbecompletedbyusingavarietyofdifferentmethodsandequipment,butregardlessallmusttakeplacetoensureahealthyenvironmentthatmaximizesfishgrowthandhealth. 

ProcessEquipmentnecessaryBiolfiltrationdenitrifyingbiofilter,MBBRprocessSolidsremovaldrumfilter,sandfilter,proteinskimmerReoxgenatingoxygenconeorlowpressureoxygenatingdevicePHcontroldegassingdeviceTemperaturecontrolsubmergedheaters,heatpumps,chillers,andheatexchangersBiosecurityUVsterilizer,ozonegenerator
Biofiltration
AllRASreliesonbiofiltrationtoconvertammonia(NH4+andNH3)excretedbythefishintonitrate.Nitrifyingbacteriaarechemoautotrophsthatconvertammoniaintonitritethennitrate.Abiofilterprovidesasubstrateforthebacterialcommunity,whichresultsinthickbiofilmgrowingwithinthefilter.Waterispumpedthroughthefilter,andammoniaisutilizedbythebacteriaforenergy.Nitrateislesstoxicthanammonia(>100mg/L),andcanberemovedbyadenitrifyingbiofilterorbywaterreplacement.
SolidsFiltrationInadditiontotreatingtheliquidwasteexcretedbyfishthesolidwastemustalsobetreated,thisisdonebyconcentratingandflushingthesolidsoutofthesystem.Removingsolidsreducesbacteriagrowth,oxygendemand,andtheproliferationofdisease.TypicalRASsolidsremovalinvolvesasandfilterorparticlefilter.AnothercommonmethodistheuseofamechanicaldrumfilterInordertoremoveextremelyfineparticlesorcolloidalsolidsaproteinfractionatormaybeusedwithorwithouttheadditionofozone(O3).
PHControl
InallRASpHmustbecarefullymonitoredandcontrolled.ThefirststepofnitrificationinthebiofilterconsumesalkalinityandlowersthepHofthesystem.KeepingthepHinasuitablerangeiscrucialtomaintainthehealthofboththefishandbiofilter.pHistypicallycontrolledbytheadditionofalkalinityintheformoflime(CaCO3)orsodiumhydroxide(NaOH).pHcanalsobecontrolledbydegassingCO2inapackedcolumnorwithanaerator,thisisnecessaryinintensivesystemsespeciallywhereoxygenationinsteadofaerationisusedintankstomaintainO2levels.
TemperaturecontrolAllfishspecieshaveapreferredtemperatureaboveandbelowwhichthatfishwillexperiencenegativehealtheffectsandeventuallydeath.Temperaturealsoplaysanimportantroleindissolvedoxygen(DO)concentrations,withhigherwatertemperatureshavinglowervaluesforDOsaturation.Temperatureiscontrolledthroughtheuseofsubmergedheaters,heatpumps,chillers,andheatexchangers.[13]Allfourmaybeusedtokeepasystemoperatingattheoptimaltemperatureformaximizingfishproduction.
Biosecurity
DiseaseoutbreaksoccurmorereadilywhendealingwiththehighfishstockingdensitiestypicallyemployedinintensiveRAS.Outbreakscanbereducedbyoperatingmultipleindependentsystemswiththesamebuildingandisolatingwatertowatercontactbetweensystemsbycleaningequipmentandpersonnelthatmovebetweensystems.AlsotheuseofaUltraViolet(UV)orozonewatertreatmentsystemreducesthenumberoffreefloatingvirusandbacteriainthesystemwater.Thesetreatmentsystemsreducethediseaseloadingthatoccursonstressedfishandthusreducethechanceofanoutbreak.

DetailsImages
SuccessfulCasesPabdaCatfish(OmpokPabda)

●CulturingCycleTime:90–110Dto40-55gramssize

forharvesting

●Biomass:60kilograms/m3atharvesting ●Temp:15–30℃,22–27℃preferred

RASusedtogrow  americaneel

●CulturingCycleTime:150Dto150gramssizefrom

50-gramfingerlings

●Biomass:60kilograms/m3atharvesting●Temp:26-30℃


Ouradvantage

▶Reducedwaterrequirementsascomparedtoracewayorpondaquaculturesystems. 

▶Reducedlandneedsduetothehighstockingdensity.▶Siteselectionflexibilityandindependencefromalarge,cleanwatersource.▶Reductioninwastewatereffluentvolume.

▶Increasedbiosecurityandeaseintreatingdiseaseoutbreaks.▶Abilitytocloselymonitorandcontrolenvironmentalconditionstomaximizeproductionefficiency.Similarly,independencefromweatherandvariableenvironmentalconditions. 


CompanyProfile

Aboutewater
ZhongshaneWaterAquacultureEquipmentTechnologyLimitedisaprofessionalcompanyengagedindesign, productionandsalesofRecirculatingAquaculture Systemaswellasaquacultureequipment.Ewateris focusedonthedevelopmentandmanufacturingof industrialrecirculatingaquaculturesystemsolutions,anditsproductdesignandproduction,includingdrum filters,proteinskimmers,biologicalfilters,aeration equipment,disinfectionequipment,heatpumpsand waterqualitymonitorequipment.
Weworkwithtop-levelaquacultureresearchinstitutes andexpertstodevelopbestsolutionsforourcustomers inaquacultrureindustry.Ourengineeringteamis committedtodevelopbestpracticesforeachequipmentandRASbasedoncustomers'needs.Wecontinuetobereliableandhonestinwhatwedoandhowweact.
Ourmissionistoimprovesustainabilityandprofitabilityfor customers,andbeavaluablepartnerforcustomers' long-termbusiness.
Certifications
ExhibitionExhibitioninNanningCityGuangxiProvince，ChinaExhibitioninZhanjiangCityGuangdongProvince，ChinaInstallationServices

Ifneeded,wecanprovideon-siteinstallationservices.

GreatServiceisOurMisson
●Consultingserviceavailableandcustomdesignsarewelcomed!●Weofferpracticalsolutions,premiumqualityproductsalongsidecompetitivepricesandpromptdelivery.●Alltheequipmentareguaranteedfor2yearsandlife-timewarrantyexceptforthewearingparts.●Supportonsiteinstallationandsendingengineerfordebuggingondemands.●After-salesserviceandcontent:Ifthequalityproblemsoccur;eventheequipmentlosetheabilityofworking,wewill repairorreplacethemfreeofchargeduringthewarrantyperiod.Theproductislife-longmaintenanceandwewill 

provideall-roundservicesexceptforfactorssuchasartificialdamageorirresistibleforce.


On-siteinstallationservicesin UzbekistanOn-siteinstallationservicesin Bangladesh

CustomerPhotosYouarewelcometovisitourfactory.
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Our mission is to improve sustainability and profitability for customers, and be a valuable partner for customers’ long-term business.

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They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
They are now widely exporting to 200 countries.

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