DK2902368T3 - Fysisk-kemisk fremgangsmåde til fjernelse af nitrogenholdige forbindelser fra recirkulerede akvakultursystemer - Google Patents

Fysisk-kemisk fremgangsmåde til fjernelse af nitrogenholdige forbindelser fra recirkulerede akvakultursystemer Download PDF

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DK2902368T3
DK2902368T3 DK15156403.6T DK15156403T DK2902368T3 DK 2902368 T3 DK2902368 T3 DK 2902368T3 DK 15156403 T DK15156403 T DK 15156403T DK 2902368 T3 DK2902368 T3 DK 2902368T3
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water
ras
ammonia
concentration
fish
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DK15156403.6T
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English (en)
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Youri Gendel
Noam Mozes
Perlberg Ayana Benet
Yuri Hanin
Ori Lahav
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Technion Res & Dev Foundation
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00—Culture of aquatic animals
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • C02F1/4674—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation with halogen or compound of halogens, e.g. chlorine, bromine
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/586—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing ammoniacal nitrogen
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00—Culture of aquatic animals
    • A01K61/10—Culture of aquatic animals of fish
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/10—Nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
    • B01J39/04—Processes using organic exchangers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
    • B01J39/08—Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
    • B01J39/16—Organic material
    • B01J39/18—Macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
    • B01J49/50—Regeneration or reactivation of ion-exchangers; Apparatus therefor characterised by the regeneration reagents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
    • B01J49/50—Regeneration or reactivation of ion-exchangers; Apparatus therefor characterised by the regeneration reagents
    • B01J49/53—Regeneration or reactivation of ion-exchangers; Apparatus therefor characterised by the regeneration reagents for cationic exchangers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/105—Phosphorus compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/14—NH3-N
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/16—Total nitrogen (tkN-N)
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish

Claims (10)

  1. FYSISK-KEMISK FREMGANGSMÅDE TIL FJERNELSE AF NITROGENHOLDIGE FORBINDELSER FRA RECIRKULEREDE AKVAKULTURSYSTEMER
    1. Fremgangsmåde til at fjerne ammonium fra et saltvandsholdigt recirkuleret akvakultursystem (RAS) og samtidig opretholde en koncentration af totalt ammoniumnitrogen (TAN) i vandet i systemet på mellem 15 og 50 mgN/1, hvilken fremgangsmåde omfatter trinene med: a. opretholdelse af pH i vandet i RAS'et på under 7,5 ved tilsætning af en stærk syre, b. ekstraktion af en andel af vandet fra RAS'et, c. oxidation af ammoniummen i vandandelen til nitrogengas ved elektrokemisk behandling eller ved break-point-chloring i tilstedeværelse af en opløsning omfattende CI2 i de koncentrationer, der er nødvendige for at opnå break-point-chloring, og d. eventuel gentagelse af trin (a) til (c) på en kontinuerlig måde efter behov.
  2. 2. Fremgangsmåde ifølge krav 1 endvidere omfattende trinet med tilbageførsel af i det mindste noget af den vandandel, der er opnået efter trin (c), til RAS'et.
  3. 3. Fremgangsmåde ifølge krav 1, hvori trin (b) og (c) udføres kontinuerligt.
  4. 4. Fremgangsmåde ifølge krav 1, hvori trin (b) udføres kontinuerligt, og trin (c) udføres i tidsrum, hvor elektricitetsprisen er lav.
  5. 5. Fremgangsmåde ifølge krav 1, hvori opløsningen, der omfatter CI2, dannes in situ ved elektrooxidation af havvand, fortrinsvis i tidsrum, hvor elektricitetsprisen er lav.
  6. 6. Fremgangsmåde ifølge krav 1, hvori den stærke syre er H2SO4 eller HCl.
  7. 7. Fremgangsmåde ifølge krav 1 endvidere omfattende tilsætning af en base under elektrolysetrinet.
  8. 8. Fremgangsmåde ifølge krav 7, hvori basen er udvalgt fra Ca(0H)2, CaO, NaOH og KOH.
  9. 9. Fremgangsmåde ifølge krav 1 endvidere omfattende afdrivning af CO2, hvori afdrivning af CO2 omfatter tilsætning af rent oxygen eller luftning.
  10. 10. Fremgangsmåde ifølge krav 1, hvori det recirkulerede akvakultursystem (RAS) har en koncentration af totalt ammoniumnitrogen (TAN) på omkring 40 mgN/1.
DK15156403.6T 2010-11-17 2011-11-17 Fysisk-kemisk fremgangsmåde til fjernelse af nitrogenholdige forbindelser fra recirkulerede akvakultursystemer DK2902368T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41444710P 2010-11-17 2010-11-17
EP11805236.4A EP2640668B1 (en) 2010-11-17 2011-11-17 A physico-chemical process for removal of nitrogen species from recirculated aquaculture systems

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DK2902368T3 true DK2902368T3 (da) 2016-10-03

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DK15156403.6T DK2902368T3 (da) 2010-11-17 2011-11-17 Fysisk-kemisk fremgangsmåde til fjernelse af nitrogenholdige forbindelser fra recirkulerede akvakultursystemer
DK11805236.4T DK2640668T3 (da) 2010-11-17 2011-11-17 En fysisk-kemisk fremgangsmåde til fjernelse af nitrogen-specier fra et re-cirkuleret akvakultur-system

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DK11805236.4T DK2640668T3 (da) 2010-11-17 2011-11-17 En fysisk-kemisk fremgangsmåde til fjernelse af nitrogen-specier fra et re-cirkuleret akvakultur-system

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US (3) US9560839B2 (da)
EP (2) EP2640668B1 (da)
CL (1) CL2013001366A1 (da)
DK (2) DK2902368T3 (da)
WO (1) WO2012066554A2 (da)

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