DE102009041299A1 - Method for the treatment of ballast water on shipboard, comprises separating macro-organisms through a mechanical filtration, disinfecting the ballast water with acrolein and neutralizing the remaining residual quantity of the acrolein - Google Patents

Method for the treatment of ballast water on shipboard, comprises separating macro-organisms through a mechanical filtration, disinfecting the ballast water with acrolein and neutralizing the remaining residual quantity of the acrolein Download PDF

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DE102009041299A1
DE102009041299A1 DE200910041299 DE102009041299A DE102009041299A1 DE 102009041299 A1 DE102009041299 A1 DE 102009041299A1 DE 200910041299 DE200910041299 DE 200910041299 DE 102009041299 A DE102009041299 A DE 102009041299A DE 102009041299 A1 DE102009041299 A1 DE 102009041299A1
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acrolein
ballast water
water
filter
filter element
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ENVIOMAR GmbH
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ENVIOMAR GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J4/00—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for
    • B63J4/002—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for for treating ballast water
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C02F1/004—Processes for the treatment of water whereby the filtration technique is of importance using large scale industrial sized filters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/022—Filtration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08—Seawater, e.g. for desalination
    • 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
    • C02F2303/04—Disinfection
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/12—Inert solids used as ballast for improving sedimentation

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

The method for the treatment of ballast water on shipboard, comprises separating macro-organisms with a size of 50 mu m through a mechanical filtration, disinfecting the ballast water with acrolein and neutralizing the remaining residual quantity of the acrolein by a water-insoluble polymers, which carries amino groups as filter substance, where the filter substance is held back in a water-permeable filter element, which is arranged above or in the ballast water discharge pipe. An independent claim is included for a biocide-filter element.

Description

Gegenstand der Erfindung ist ein Verfahren zur Behandlung von Ballastwasser an Bord von Schiffen und ein Biozid-Filter zu dessen Durchführung.The invention relates to a method for treating ballast water on board ships and a biocide filter for its implementation.

Anlagen zur Behandlung von Ballastwasser an Bord von Schiffen werden eingesetzt zur Erfüllung der internationalen Anforderungen (IMO, International Maritime Organisation), die ab dem Jahr 2011 solche Systeme zwingend vorschreiben. Mit solchen Anlagen soll die Verbreitung von Meersorganismen zwischen den Kontinenten, und die damit verbundenen Umwelt- und Gesundheitsgefahren, durch Transport in den Ballastwassertanks verhindert werden.Systems for the treatment of ballast water on board ships are used to fulfill the international requirements (IMO, International Maritime Organization), which mandate such systems from 2011 onwards. Such facilities are designed to prevent the spread of marine organisms between continents, and the associated environmental and health hazards, through transport in the ballast water tanks.

Aus der Veröffentlichung „Ballast Water Treatment R&D Directory”, Seite 61, zweite Ausgabe, November 2004 , herausgegeben von der International Maritime Organization, London (GB) ist es bekannt, durch Zugabe von Acrolein, auch als Propenal oder Acrylaldehyd bezeichnet, die im Ballastwasser von Schiffen enthaltenen Organismen abzutöten und so einer Verschleppung derselben über die Kontinente entgegen zu wirken.From the publication "Ballast Water Treatment R & D Directory", page 61, second edition, November 2004 , published by the International Maritime Organization, London (GB), it is known by the addition of acrolein, also known as propenal or acrylic aldehyde, to kill the organisms contained in the ballast water of ships and thus counteract a carryover of the same across the continents.

Aus der DE 20 2007 004 912 U1 ist es bekannt, Acrolein in wässriger Lösung einzusetzen, wozu eine spezielle Rührvorrichtung offenbart ist.From the DE 20 2007 004 912 U1 It is known to use acrolein in aqueous solution, for which a special stirring device is disclosed.

Die Zugabe von Acrolein wird empfohlen, da sich der Stoff nach einiger Zeit von selbst zersetzt.The addition of acrolein is recommended as it will self-degrade after some time.

Allerdings besitzt Acrolein eine sehr hohe Toxizität, gerade für Fischbestände, so dass die Gefahr einer Schädigung von Fischen und der Übergang von Acrolein in die Nahrungskette besteht, wenn das Ballastwasser abgelassen wird. Dies gilt insbesondere an Orten wie Häfen oder Reden, wo von den Schiffen innerhalb kurzer Zeit große Mengen von Ballastwasser abgelassen werden.However, acrolein has a very high toxicity, especially for fish stocks, so there is a risk of harm to fish and the passage of acrolein into the food chain when the ballast water is drained. This is especially true in places such as ports or speeches, where large volumes of ballast water are released from the vessels within a short time.

Aufgabe der vorliegenden Erfindung ist es somit, ein Verfahren zur Behandlung von Ballastwasser an Bord von Schiffen und einen Biozid-Filter zu dessen Durchführung anzugeben.The object of the present invention is therefore to specify a method for treating ballast water on board ships and a biocide filter for carrying it out.

Gemäß der vorliegenden Erfindung ist ein Verfahren zur Behandlung des Ballastwassers von Schiffen mit folgenden Schritten vorgesehen:

  • – Abtrennung von Makroorganismen mit einer Größe von > 50 μm durch eine mechanische Filtration.
  • – Desinfektion des Ballastwassers mit Acrolein, einem biologisch abbaubaren Biozid, das eine nachhaltige Wirkung auch nach langen Überfahrten sicherstellt.
  • – Neutralisation der evtl. verbleibenden Restmenge des Biozids, um sicher zu gehen, dass das behandelte Ballastwasser beim Ablassen ins Meer auf jeden Fall eine gewisse Resttoxizität nicht überschreitet mittels eines Biozid-Filters, der das im Ballastwasser verbliebene Acrolein aufnimmt.
According to the present invention, there is provided a method of treating the ballast water of ships, comprising the steps of:
  • - Separation of macroorganisms with a size of> 50 microns by a mechanical filtration.
  • - Disinfecting the ballast water with acrolein, a biodegradable biocide, which ensures a lasting effect even after long crossings.
  • - Neutralization of any residual amount of the biocide, to ensure that the treated ballast water when discharging into the sea in any case does not exceed a certain residual toxicity by means of a biocide filter that absorbs the remaining in the ballast water acrolein.

Das zur Neutralisation des Acrolein eingesetzte Biozid-Filterelement enthält als Filtersubstanz ein Wasser-unlösliches Polymer, das Aminogruppen trägt. Diese Gruppen reagieren mit dem Acrolein durch Michael-Addition an die Doppelbindung sowie Schiff'sche Basenreaktion mit der Aldehydgruppe. Das Acrolein wird somit irreversibel an das Polymer gebunden und so dem Wasser entzogen. Eine Aminogruppe kann dabei mit bis zu drei Acroleinen reagieren. Typischerweise zweimal mit der Doppelbindungsseite oder einmal mit dem Aldehyd. Als Polymer kommen praktisch alle Aminogruppen-haltigen Polymere in Frage. Diese sind entweder schon wasserunlöslich oder werden durch Vernetzungsreaktionen unlöslich gemacht. Beispiele: Chitosan, Polylysin, Proteine, Polyethylenimin, Polypropylenimin, Polyhydroxylysin, etc..The biocidal filter element used to neutralize the acrolein contains as filter substance a water-insoluble polymer which carries amino groups. These groups react with the acrolein by Michael addition to the double bond and Schiff's base reaction with the aldehyde group. The acrolein is thus irreversibly bound to the polymer and thus removed from the water. An amino group can react with up to three acroleins. Typically twice with the double bond side or once with the aldehyde. Suitable polymers are virtually all amino-containing polymers. These are either already insoluble in water or are insolubilized by crosslinking reactions. Examples: chitosan, polylysine, proteins, polyethyleneimine, polypropyleneimine, polyhydroxylysine, etc.

Die nachfolgende Abbildung zeigt das Prinzip der irreversiblen chemischen Anbindung des Acroleins an die Filtersubstanz:

Figure 00030001
The following figure shows the principle of irreversible chemical attachment of acrolein to the filter substance:
Figure 00030001

Die Filtersubstanz liegt in dem Filterelement in Form eines Granulats vor. Das Filterelement wird in die Ballastwasser-Ablassleitung des Schiffes eingebracht und enthält wasserdurchlässige Rückhalteelemente für die Filtersubstanz wie Siebe, Lochscheiben oder dergleichen. So kann die Filtersubstanz vom Ballastwasser umspült werden, wird aber selbst nicht weggespült.The filter substance is present in the filter element in the form of granules. The filter element is introduced into the ballast water discharge pipe of the ship and contains water-permeable retaining elements for the filter substance such as sieves, perforated discs or the like. So the filter substance can be lapped by the ballast water, but is not even washed away.

ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Zitierte PatentliteraturCited patent literature

  • DE 202007004912 U1 [0004] DE 202007004912 U1 [0004]

Zitierte Nicht-PatentliteraturCited non-patent literature

  • „Ballast Water Treatment R&D Directory”, Seite 61, zweite Ausgabe, November 2004 [0003] "Ballast Water Treatment R & D Directory", page 61, second edition, November 2004 [0003]

Claims (5)

Verfahren zur Behandlung von Ballastwasser an Bord von Schiffen mit folgenden Schritten: – Abtrennung von Makroorganismen mit einer Größe von > 50 μm durch mechanische Filtration; – Desinfektion des Ballastwassers mit Acrolein; und – Neutralisation der evtl. verbleibenden Restmenge des Acroleins mittels eines Wasser-unlöslichen Polymers, das Aminogruppen trägt, als Filtersubstanz, wobei die Filtersubstanz in einem wasserdurchströmbaren Filterelement zurückgehalten wird, welches Filterelement vor oder in der Ballastwasser-Ablassleitung angeordnet ist.Method for treating ballast water on board ships, comprising the following steps: Separation of macroorganisms with a size of> 50 μm by mechanical filtration; - Disinfecting the ballast water with acrolein; and - Neutralization of any remaining amount of acrolein by means of a water-insoluble polymer carrying amino groups, as a filter substance, wherein the filter substance is retained in a water-flow filter element, which filter element is arranged in front of or in the ballast water discharge line. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Filtersubstanz gewählt ist aus der Gruppe der Chitosane, Polylysine, Proteine, Polyethylenimine, Polypropylenimine und/oder Polyhydroxylysine.A method according to claim 1, characterized in that the filter substance is selected from the group of chitosans, polylysines, proteins, polyethyleneimines, polypropyleneimines and / or polyhydroxylysines. Biozid-Filterelement für eine in Granulatform vorliegende Filtersubstanz, welche wenigstens eine Einlassöffnung und eine Auslassöffnung aufweist, wobei die Ein- und Auslassöffnungen jeweils mit wenigstens einem wasserdurchlässigen Rückhalteelement für die Filtersubstanz abgedeckt sind, wobei die Filtersubstanz aus einem Wasser-unlöslichen Polymer besteht, das Aminogruppen trägt.A biocide filter element for a granulated filter substance which has at least one inlet opening and one outlet opening, wherein the inlet and outlet openings are each covered with at least one water-permeable filter substance retention element, the filter substance consisting of a water-insoluble polymer, the amino groups wearing. Biozid-Filterelement nach Anspruch 3, dadurch gekennzeichnet, dass die Rückhalteelemente als Sieb oder Lochscheibe ausgebildet sind.Biocide filter element according to claim 3, characterized in that the retaining elements are formed as a screen or perforated disc. Biozid-Filterelement nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass die Filtersubstanz gewählt ist aus der Gruppe der Chitosane, Polylysine, Proteine, Polyethylenimine, Polypropylenimine und/oder Polyhydroxylysine.Biocide filter element according to claim 3 or 4, characterized in that the filter substance is selected from the group of chitosans, polylysines, proteins, polyethyleneimines, polypropyleneimines and / or polyhydroxylysines.
DE200910041299 2009-09-15 2009-09-15 Method for the treatment of ballast water on shipboard, comprises separating macro-organisms through a mechanical filtration, disinfecting the ballast water with acrolein and neutralizing the remaining residual quantity of the acrolein Withdrawn DE102009041299A1 (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007004912U1 (en) 2007-04-03 2007-07-26 Blum, Holger Apparatus for treating ballast water with aqueous acrolein solution

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007004912U1 (en) 2007-04-03 2007-07-26 Blum, Holger Apparatus for treating ballast water with aqueous acrolein solution

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Ballast Water Treatment R&D Directory", Seite 61, zweite Ausgabe, November 2004

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