RU2666860C1 - Installation for neutralizing shipboard ballast water - Google Patents

Abstract

FIELD: water treatment.

SUBSTANCE: invention relates to the field of seawater purification, namely to devices for neutralizing shipboard ballast water. Installation can be used as a standard ship's equipment for the neutralization of ballast water, and also as a prototype technology sample for offshore or offshore tests with a view to subsequent certification in the IMO. Installation for neutralizing shipboard ballast water includes at least one filter comprising a filter element arranged in its housing in the form of a helically wound wire of a triangular cross-section, a copper ion generation unit, an ozonization unit, an ultraviolet irradiation unit, a biocide dosing device, a monitoring and control system, pumps, pipelines and shut-off valves. Installation is made in the form of a multifunctional module in which the elements of the apparatus in the form of a copper ion generation device, an ozonization unit and an ultraviolet radiation unit are enclosed in a housing of a filter placed therein. For this, the filter is arranged to supply the treated water inwardly of the filter element installed along the filter axis, through the through windows formed in the lower bottom of the filter housing, and the subsequent withdrawal of the treated water to the outlet of the filter through the windows formed in its intermediate bottom. Filter element is fixed between said bottoms and is made of predominantly titanium wire of triangular cross section by winding on a titanium frame with holes such that base of the triangle in the section of the wire faces inwardly of the filter element. Vertex of the triangle is turned outwards. Inside the filter element, coaxially with its longitudinal axis, the turbine is rotatably mounted and reciprocated in the axial direction, containing at least two helicoidal helical blades fixed to the ends in the support disks and equipped with copper brushes that are in contact with the inner surface of the filter element. Brushes collectively represent a device for generating copper ions. Ultraviolet irradiation unit is disposed around the filter element in the annular gap between the outer surface of the filter element and the inner wall of the filter housing and consists of rounded ultraviolet lamps, protected by quartz covers, the upper end of which is communicated with the atmosphere. Unit also contains an ozone-generating chamber formed by a space inside the quartz cover around the ultraviolet lamp and configured to forcibly utilize ozone. As a biocide dosing device, a bromoselective filter is used, which is located on the upper bottom, in the form of a module cover, at the outlet of water from the filter, and is configured to flow through it seawater. Seawater has previously passed purification on the filter element, treatment with ultraviolet rays and enriched with copper ions. Water inlet to the filter is arranged through a drainage partition in the module cover, permeable to seawater and impermeable to bromine-selective filtering load particles. Installation includes a water-air ejector installed in the pipeline at the outlet of water from the module, with an air cavity of which the lower cavity of the ozone-generating chamber is communicated.

EFFECT: increased efficiency of the equipment in terms of the quality of sea water treatment and reduce unit costs (labor, energy, material) while at the same time ensuring environmental and human health and the environment.

5 cl, 8 dwg

Description

The invention relates to the field of sea water purification, and in particular to devices for the neutralization of ship's ballast water. The installation can be used as a standard marine equipment for the neutralization of ballast water, as well as a prototype of the technology during coastal or marine tests for subsequent certification in IMO.

The International Convention of the International Maritime Organization (IMO), which comes into force in September 2017, prescribes that in order to protect the environment from foreign biological objects, ships must be equipped with ballast water treatment systems as if they were received in ballast water tanks (ballasting), and when dumping water overboard (de-ballasting). In accordance with the G8 IMO standard, ballast water must be neutralized from biological objects, including bacteria, spores, viruses, phyto- and zooplankton.

In addition, the IMO Recommendations regulate the procedure for coastal and shipboard testing of shipboard ballast water treatment systems with a view to their subsequent IMO certification and approval for use on board the ship. Hence the task of creating such a system (device), which would be suitable both for use as equipment of the ship’s ballast system, and as a test facility on the seashore or on the ship with a view to its further IMO certification.

Numerous devices are known for the neutralization of ship’s ballast water (Ivanchenko D.S. and Serdinova A.F. “Ballast Water Treatment.” Published by Young Scientist, No. 11, 2016, pp. 568-573), in which mechanical, biological and physico-chemical technologies for the neutralization of sea water. Their common drawback is the schematic and convention of technical solutions, which does not allow to objectively evaluate their advantages and disadvantages, as well as the degree of suitability for testing and certification of installations. Also known is the Ocean Guard BWMS marine ballast water treatment system. (see, for example, the site of the company "NORTA MIT GmbH St. Petersburg"). The system includes a cartridge filter with a filter fineness of 50 microns, equipped with an electric drive system for continuous regeneration, an EUT unit (electron-catalytic oxidation), an ultrasonic unit, a control unit, a monitoring unit, pipelines and valves. The system is intended for use as stationary ship equipment. The disadvantage of the system is the low efficiency of its operation when used for the purification of sea waters with sharply changing (for example, an order of magnitude) salinity and temperature. In addition, the equipment is not suitable for rapid technological transformation for the purpose of mobile movement due to structural complexity and cumbersome.

The closest analogue of the claimed technical solution is the system for the neutralization of ship's ballast water (RF patent No. 117886 U1 dated July 10, 2012, Bull. No. 19). The system includes a cartridge filter unit with filter elements (FE) made in the form of a triangular section wire helically wound with the required gap, and an electrochemical water chlorination unit, a water ozonization unit, a copper ion generator, an ultraviolet (UV) water irradiation unit, and biocide dispenser within acceptable concentrations. For the manufacture of filter elements, a triangular wire is used, oriented when the tip of the triangle is wound outward of the filter element, and the flow of filtered water is directed from the outside to the inside of the element. PV with slots of 50 μm, in principle, ensures the purification of sea water from objects larger than 50 μm. An autonomous filter loaded with a mixture of copper and titanium wire was used as a copper generator. For washing the filters, the use of seawater enriched with copper ions is provided. The system is also equipped with pipelines, valves, a monitoring system and automatic control. The specified analogue is adopted as a prototype.

The disadvantages of the known system for the disposal of ballast water include:

1. The lack of effectiveness of the system in relation to the quality of treatment of sea water and unit costs (labor, energy, material), due to the fact that:

- the possibility of self-cleaning filters is not provided, which forces to interrupt the process for the regeneration of PV;

- the UV lamp unit is placed in an independent housing far from the PV, while UV rays cannot sterilize the PV surface, in the slits of which biological objects can accumulate;

- the intensity of copper generation during water treatment is reduced due to the oxidation of the surface of copper particles and their biological fouling;

- the generation of ozone and active chlorine in special generators requires sophisticated equipment and significant energy consumption;

- during operation of UV lamps in the air, ozone is released, which shields the output of UV rays and reduces the efficiency of UV irradiation, while the device does not provide for the removal and utilization of ozone;

2. The impossibility of guaranteed environmental and sanitary safety of humans and the environment, due to the fact that during the operation of UV lamps, an electrochemical (SEC) generator and an ozone generator, toxic gases (ozone, chlorine) are released, accumulated in the surrounding space and into the sea water. . In the known system does not provide a means of neutralizing these toxic substances.

The invention is aimed at solving the problem of improving the efficiency of equipment in relation to the quality of sea water purification and reducing unit costs (labor, energy, material), while ensuring environmental and sanitary safety of humans and the environment.

This is achieved due to the fact that the installation for the neutralization of ship’s ballast water, comprising at least one filter, comprising a filter element arranged in its housing in the form of a triangular section wire helically wound around the frame, a copper ion generation device, an ozonization unit, an ultraviolet irradiation unit, the biocide dispenser, a monitoring and control system, pumps, pipelines and valves, according to the invention is made in the form of a multifunctional module, in which the installation elements in the form of a device The ionization of copper ions, the ozonation block, and the ultraviolet irradiation block are enclosed in a filter housing. Why the filter is made with the possibility of supplying the treated water inside the filter element installed along the axis of the filter through the through windows formed in the lower bottom of the module housing, and the subsequent withdrawal of the treated water to exit the filter through the windows formed in its intermediate bottom. In this case, the filter element is fixed between the said bottoms and is made of predominantly titanium wire of triangular cross section by winding it onto the titanium frame with holes so that the base of the triangle in the wire cross section is turned inward towards the filter element and the top of the triangle is facing out. Moreover, inside the filter element coaxially with its longitudinal axis is placed with the possibility of rotation and reciprocation in the axial direction of the turbine, containing at least two spiral helicoid blades fixed at the ends in the support disks and equipped with copper brushes mounted in contact with the inner surface of the filter element , which together represent a device for the generation of copper ions. The ultraviolet irradiation unit is placed around the filter element in the annular gap between the outer surface of the filter element and the inner wall of the filter housing and consists of circularly located ultraviolet lamps protected by quartz covers, the upper end of which is connected to the atmosphere. The ultraviolet irradiation unit also contains an ozone-generating chamber formed by the space inside the quartz cover around the ultraviolet lamp and made with the possibility of forced utilization of ozone. At the same time, a bromoselective filter is used as a biocide dispenser, which is located on the upper bottom, in the form of a module cover, at the outlet of water from the filter, and is configured to allow sea water to pass through it, previously purified on the filter element, processed with ultraviolet rays and enriched with ions copper, and the water inlet is organized through a drainage wall in the module cover, permeable to sea water and impermeable to particles of a bromoselective filter charge. The installation includes a water-air ejector installed in the pipeline at the water outlet from the module, with the lower cavity of the ozone-generating chamber communicating with the air cavity.

In addition, the turbine blades are made of seawater resistant material.

In this case, a bromoselective anion-exchange material with a particle size of 200-300 μm was used as a filter load in a bromoselective filter.

Moreover, the water inlet windows in the lower bottom for supplying it inside the filter element are formed in the said bottom inside the circle bounded by the lower edge of the filter element, and the windows in the intermediate bottom for outputting treated water from the filter are formed outside the circle bounded by the upper edge of the filter element.

The implementation of the filter with the possibility of supplying the treated water inside the PV allows directly in the housing, inside and outside the filter element, to install the blocks necessary for the operation of the installation, mentioned above in the description.

The turbine located inside the PV and its helical helical blades, equipped with copper brushes in contact with the internal surface of the PV, together with the titanium frame of the PV perform the function of a copper ion generation device, as a result of which there is no need to have a separate unit as a copper ion generator in the device.

In addition, thanks to the installation of a turbine with the possibility of reciprocating axially moving by rotating blades of the turbine, the PV surface is cleaned of adhering dirt particles and thereby the PE filter slot is subjected to continuous and effective self-cleaning without using a mechanical drive and manual labor costs. In this case, oxidation and biological fouling are excluded, as a result of which the intensity of copper generation during water treatment does not decrease.

Placing the ultraviolet block inside the filter housing in the annular gap between the outer surface of the filter element and the inner wall of the filter housing ensures sterilization of the PV surface.

The introduction of a water-air ejector connected to the ozone-generating chamber into the device allows the utilization of ozone, which is harmful to the operating personnel and corrosive to the piping material and valves, by removing it from the said chamber. Pumping ozone also helps to eliminate the gas screen in the way of UV rays and increase their bactericidal effect.

As a result of the installation in the form of a compact multifunctional module, the structural and technological complexity and complexity of the installation are significantly reduced.

The invention is illustrated by drawings, where in FIG. 1 schematically shows an installation for the disposal of ship ballast water;

- in FIG. 2 - multifunctional module assembly;

- in FIG. 3 is a section along AA of the multifunctional module in FIG. 2;

- in FIG. 4 - spiral blade in the context;

- in FIG. 5 is a fragment of a filter element (view B in FIG. 2);

- in FIG. 6 - ozone-generating chamber (view B in Fig. 2);

- in FIG. 7 - filter gap (view G in Fig. 5);

- in FIG. 8 - the course of UV rays through the filter gap (view G in Fig. 5).

The installation contains at least one multifunctional module 1 (Fig. 1, 2), including a filter 2, in the cavity of the housing of which a filter element (FE) 3 is coaxially mounted and fixed with its ends between the lower 4 and intermediate 5 ends of the housing of module 1. PV 3 made of a triangular section wire wound on a titanium frame with a gap (for example, 50 microns) to provide the required fineness of seawater filtration. The wire of the triangular section is wound in such a way that the base of the triangle faces the inside of the FE 3, and the top of the triangle faces the outer surface of the PE 3. Moreover, the surface of the base of the triangular wire facing the inside of the PE 3 is made smooth, for example, polished. Accordingly, the inner cylindrical surface of the FE 3 is made smooth to prevent the particles of FE 3 from sticking. The filter 2 is made with the possibility of supplying the treated sea water inside the FE 3 and the water leaving PE 3. This is possible due to the fact that through bottom 4 is provided with through windows 6 for the entrance of water into the filter 2, and in the intermediate bottom 5 through holes 7 are provided for the outlet of the treated water. Moreover, the windows 6 are placed inside the circle bounded by the lower edge of the PV 3, and the windows 7 are outside the circle bounded by the upper edge of the PV 3. The lower bottom 4 contains a tray 8, a water inlet pipe 9, an annular pocket 10 for collecting sediment, and a pipe for discharging sediment 11 (Fig. 2).

In the FE 3 cavity, a turbine 14 is placed coaxially with its longitudinal axis in bearings 12 and 13, containing at least two spiral-shaped blades 15. Each blade 15 has a helical shape in cross section (from the Greek “helix” - spiral and “eidos” - view) (Fig. 3 and 4). The blades 15 of the turbine 14 at the ends are fixed in the supporting disks 16 and 17. The turbine 14 is made with the possibility of rotation and "swimming", i.e. reciprocating movement in the axial direction. The floating effect of the turbine 14 is provided, for example, due to the fact that the length of the turbine 14 is less than the distance between the intermediate bottom 5 and the lower bottom 4, as well as different depths H of the bearings 12 and 13 (Fig. 2). On the edge of the blades 15 fixed removable brushes 18 are in contact with the inner surface of the FE 3 (Fig. 4 and 5). For the manufacture of PV 3, a material resistant to electrochemical corrosion, for example, titanium, was used. Replaceable brushes 18 are made of an unstable material having bactericidal properties in the ionic form, in the proposed example, from copper. Copper brushes 18 in contact with the titanium surface of the FE 3 perform the function of a copper generator due to electrochemical corrosion of copper. The blades 15 of the turbine 14 can be made of a material that is resistant to sea water, for example, plastic.

In the filter housing 2, in the annular gap 19 between the outer surface of the FE 3 and the inner wall of its housing there is an ultraviolet irradiation unit consisting of UV lamps 20 protected by quartz covers 21. The covers 21 (Fig. 6) are hermetically fixed in the lower bottom 4, pass through the windows 7 and hermetically fixed in a removable cover 22 (Fig. 2). The ultraviolet irradiation unit contains an ozone-generating chamber 23, configured to forcibly utilize ozone generated under the influence of UV rays. The ozone-generating chamber 23 is formed by the space inside the quartz cover 21 around the UV lamp 20. In the pipeline at the outlet of water from module 1, a water-air ejector 24 is installed (Fig. 1, 2). In this case, the lower cavity of the ozone-generating chamber 23 (Fig. 2) is hermetically connected to the air cavity 25 of the water-air ejector 24 (Fig. 2), and the upper end face 26 of the quartz cover 21 communicates with the atmosphere through openings 27 in the cap 28 (Fig. 2, 6). Power supply of UV lamps 20 is provided from a power source (not shown in the figure).

On the removable cover 22 is placed bromoselective filter 29 (Fig. 2), filled with bromselective filter load 30. Bromo-selective filter 29 serves as a biocide dispenser. It is made with the possibility of flowing through it seawater, previously cleaned on PV 3, treated with UV rays and enriched with copper ions. For this purpose, the water inlet into the bromoselective filter 29 is arranged directly from the cavity of the removable cover 22 through the drainage wall 31 (Fig. 2), which is permeable to sea water and impermeable to particles of the bromoselective filter load 30. The bromoselective filter 29 is filled and the filter load 30 is replaced hatch 32. As a filter load 30 in the filter 29 is used bromoselective anion-exchange material with a particle size of 200 ... 300 microns.

The installation also includes auxiliary equipment: pipelines, valves, monitoring and control system (not shown in the figure). The monitoring and control system provides continuous monitoring of water quality in the process of receiving ballast water during ballasting and discharge of water overboard during deballasting.

Installation for the disposal of marine ballast water works as follows. Sea water under the pressure of the ballast pump (not included in the set) through the water inlet pipe 9 (Fig. 2) enters the filter cavity 2. Through the window 6, the water flow enters the FE 3, as shown by the arrows, where it interacts with the turbine blades 15 Since each blade in the cross section has a helicoid profile, when the water flow moves relative to the turbine blades, a lifting force arises, which ensures the rotation of the blades and the rotation of the turbine around its axis. With the correct geometry of the blades 15, the linear speed of rotation of the turbine 14 can significantly exceed the linear speed of the flow of water entering the turbine 14.

Sea water is filtered through FE 3 slits, on which dispersed particles and biological objects larger than 50 μm are retained (Fig. 7), and enters the UV treatment zone (annular gap 19). Moreover, all dispersed impurities of both organic and inorganic origin accumulate on the inner cylindrical surface of the PV 3. The blades 15 of the turbine 14 rotating with an increased speed (relative to the speed of the water flow) and the brushes 18 attached to them continuously scrap the sediments from the smooth cylindrical surface of the PV 3, which freely flow down the surface of the FE 3 down into the tray 8 (Fig. 2).

At the moment of stopping the turbine 14, when there is no water flow, its blades 15 together with the brushes 18 slide down to the distance H - the floating effect (Fig. 2), which ensures the final cleaning of the surface of the FE 3 from the remnants of adhering dirt particles. The blades of the turbine 14 work not only as a scraper during its rotation, but also as a knife when it falls a distance H from its highest position to its lowest. Thus, in the process of ballasting, the FE 3 slotted filtering surface undergoes continuous and effective self-cleaning without the use of a mechanical drive and the cost of manual labor.

Upon contact in seawater of copper brushes 18 and the titanium surface of FE 3, the process of electrochemical corrosion is continuously undergoing, in which copper acts as an anode and titanium acts as a cathode. Due to the anodic dissolution of copper, seawater is enriched with copper ions, which have a detrimental effect on the viability of living biological objects. Due to mechanical friction on the titanium surface, copper oxides are removed from the copper brush, i.e. there is a process of copper depassivation. Thus, the anode processes do not fade in time and the mass calculation of copper required in the calculation (in mg / l) is maintained throughout the entire water treatment cycle. As the brushes 18 wear, they can be replaced with new ones. Such a replacement is performed between the scheduled ballasting and de-ballasting cycles.

After purification on FE 3, seawater enters the UV treatment zone (annular gap 19), where it falls under the total flux of UV rays from several UV lamps 20 and is disinfected as it moves in the exit direction through the upper windows 7. In this case, UV rays act not only on biological cells present in seawater, but also on the filter surface of the FE 3 itself and even pass through the filter slots inside the FE 3, while disinfecting the PE 3 itself, as shown in FIG. 8. Inside the ozone-generating chamber 23, under the influence of UV rays, ozone is generated from atmospheric oxygen, the density of which is higher than the density of air by about 1.3 ... 1.5 times. Therefore, the resulting ozone, as a heavier gas, gradually fills the lower part of the ozone generating chamber 23. If ozone is not removed from the cavity of the quartz cover 21, then it will inevitably leak through the ventilation openings into the room where the installation is located and where the maintenance personnel are located. Ozone is a poisonous gas, and this situation can lead to poisoning of people. In the described installation, the generated ozone is discharged from the ozone generating chamber 23 and disposed of using the air-water ejector 24 (Fig. 2). The ozone accumulated in the lower part of the ozone generating chamber 23 is sucked off by the ejector 24 and is used directly to treat sea water flowing out of the filter 2. Due to the pumping out of ozone, the gas screen in the path of UV rays is simultaneously eliminated and their bactericidal effect is increased. This effect is similar to the ozone layer around the earth, protecting the earth from the rays of the sun. The difference is that the destruction of the ozone layer for the Earth is harmful, and for the operation of the described installation it is useful, since the power of UV rays is used completely for its intended purpose, i.e. for disinfection of water.

The water treated in the UV irradiation unit then enters the space under the removable cover 22, where it is irradiated with the total light from all the UV lamps 20 mounted in module 1. It is here, in the space under the cover 22, that the water receives an additional powerful dose of UV -light, after which it is sent to the bromselective filter 29.

In seawater with a salinity of 30 ppm bromine is present in the form of ions and salts (bromides) in a concentration of up to 66 g / m ³ (R. Horn, Marine Chemistry, M., Mir, 1972, p. 190). When filtering seawater through a bromoselective filter 29, the bromoselective charge 30 (anion exchange material such as anion exchange resin) accumulates bromine in an amount according to its ion exchange capacity. Further, biological objects contained in sea water are contacted with bromine in the mass of the filter charge and further neutralized. The filter 29 also performs another important function: the final filtration of water with a fineness of 200 ... 400 microns. The neutralization process continues in the cavity of the water-air ejector 24, where ozone is sucked from the ozone-generating chamber 23. The synergistic effect of the water treatment is manifested by the combined action of all bactericidal factors: filtering on slits 50 microns in size, exposure to copper ions, exposure to UV rays in the near zone, exposure to UV rays in the far zone, exposure to bromine, exposure to ozone. The total result of such exposure exceeds the simple sum of the effects of the sequential exposure of each of these factors separately.

Thus, the multifunctional module is capable of performing several technological tasks: filtering sea water with a fineness of 50 microns; copper ion generation; UV disinfection; continuous regeneration of the filter element by self-cleaning; dosing of biocide (bromine); fine filtering on a selective filter; water ozonation and ozone disposal.

The installation in the proposed mobile version can be used as a standard marine equipment for the neutralization of ballast water, as well as a prototype of the technology during coastal or marine tests for subsequent certification in IMO.

The proposed installation for the disposal of marine ballast water provides:

- improving the efficiency of the process of neutralizing ship's ballast water in relation to the quality of water treatment and reducing unit costs (labor, energy, material). At the same time, the quality of cleaning is improved due to two-stage filtration (on a slit filter and in a filter with a selective loading), treatment with more powerful (without an ozone screen) UV light, intensification of the copper generation process, synergistic effect from the total exposure to UV rays, copper ions, bromine and ozone. Specific labor costs are reduced due to the elimination of manual procedures for cleaning and replacing PV, specific energy costs are reduced due to the exclusion of stand-alone ozone generator and chlorine generator with power supply and specific material costs are reduced by simplifying the design of the installation, reducing its weight, reducing the number of maintenance personnel, refusal from manual cleaning of PV, use of bromine utilized from sea water;

- improving the environmental and sanitary safety of the environment and humans, which is achieved through the utilization of ozone generated during the combustion of UV lamps and the elimination of the use of autonomous generators of chlorine and ozone.

Claims (5)

1. Installation for the disposal of marine ballast water, comprising at least one filter containing a filter element arranged in its housing in the form of a triangular section wire helically wound around a wire frame, a copper ion generation device, an ozonization unit, an ultraviolet irradiation unit, a biocide batcher, a monitoring system and controls, pumps, pipelines and valves, characterized in that it is made in the form of a multifunctional module, in which the installation elements in the form of a device for generating copper ions, b the ozonation eyes and the ultraviolet irradiation unit are enclosed in a filter housing located therein, for which the filter is arranged to supply the treated water inside the filter element mounted along the filter axis through the through windows formed in the lower bottom of the filter housing and subsequently output the treated water to the exit from the filter through the windows formed in its intermediate bottom, while the filter element is fixed between the said bottoms and is made of predominantly titanium wire triangle cross-section by winding onto a titanium frame with holes so that the base of the triangle in the wire cross section is turned inward to the inside of the filter element, and the top of the triangle is facing outward, and inside the filter element coaxially with its longitudinal axis is rotatably and reciprocally positioned axial movement of the turbine, containing at least two spiral helicoidal blades mounted at the ends in the supporting disks and equipped with copper brushes, lined in contact with the inner surface of the filter element, which together constitute a device for generating copper ions, and the ultraviolet irradiation unit is placed around the filter element in the annular gap between the outer surface of the filter element and the inner wall of the filter housing and consists of circularly located ultraviolet lamps protected by quartz covers, the upper end of which is in communication with the atmosphere, which also contains an ozone-generating chamber formed by inside the quartz cover around the ultraviolet lamp and made with the possibility of forced utilization of ozone, the bromoselective filter, which is located on the upper bottom, in the form of a module cover, at the outlet of the water from the filter, and made with the possibility of flow through it water that has previously been cleaned on the filter element, treated with ultraviolet rays and copper-enriched ions, and the water inlet is organized through a drainage wall in the module cover, etc. Nitzan seawater and impermeable bromselektivnoy filter media particles introduced into the installation installed in the pipe line at the outlet of water from the water-air ejector module, an air cavity which communicates the lower chamber ozonogeneriruyuschey cavity. 2. Installation for the disposal of marine ballast water according to claim 1, characterized in that the turbine blades are made of material resistant to sea water. 3. Installation for the neutralization of ship's ballast water according to claim 1, characterized in that a bromoselective anion exchange material with a particle size of 200-300 microns is used as a filter load in the bromselective filter. 4. Installation for the disposal of marine ballast water according to claim 1, characterized in that the water inlet windows in the lower bottom for supplying it inside the filter element are formed in the said bottom inside a circle bounded by the lower edge of the filter element. 5. Installation for the disposal of marine ballast water according to claim 1, characterized in that the windows in the intermediate bottom for outputting treated water to the filter outlet are formed outside a circle bounded by the upper edge of the filter element.

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