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JP2020182922A |
To provide an apparatus for removal of sediment and suspended matter capable of effectively removing suspended matter which does not completely precipitate on the water surface and in the water.A suspended matter removal apparatus instal...
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JP6779475B2 |
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JP6755605B1 |
To provide an automatic follow-up skimmer type water surface cleaning device for stably and continuously sucking water in a thin layer of water such as dust, dust, dust and oil film floating on the water surface or liquid surface of a po...
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JP6735973B1 |
To disclose a water surface work table for cleaning dust on the bottom of the water. Two floating blocks that provide buoyancy to the device are fixedly installed symmetrically on the left and right sides of the table, including the tabl...
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JP6731591B2 |
To provide oil fences that prevent the spillage oil stored with the oil fences from leaking through a lower edge of the oil fences to diffuse.Multiple oil fences include at least two lines of oil fences. A space is provided between the o...
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JP6727494B1 |
To provide a water surface cleaning device which stably and continuously sucks water in a thin layer of water together with dust, dirt and dust in a pool or a water tank and purifies it with a filter or the like. A double cylinder "sucti...
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JP6722027B2 |
To provide adsorption equipment for adsorbing oil flowing out to a sea, a river, a dam, a pond and the like.Adsorption equipment 4 assumes a bunting-like form by making a rope 6 pass through an upper edge of a square adsorption sheet 1 t...
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JP6718092B1 |
To provide a floating matter recovery processing vessel which saves labor in pulling up floating matter on a river surface. The garbage ship 19 is included, support plates 16 are fixedly attached to both front and rear sides of the garba...
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JP6709351B1 |
To disclose a purification system for a contaminated water area where fluid does not flow. Including a purification treatment device, a purification chamber is installed in the purification treatment device, and the present invention is ...
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JP6709078B2 |
To provide a pollution-prevention structure used in dredging works, which can securely show a drawing function and pollution-prevention function.A pollution-prevention structure in this invention prevents pollution during dredge works by...
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JP6684656B2 |
To provide an economically feasible pollution prevention structure for dredging work that performs a drawing function and a pollution prevention function for certain.A pollution prevention frame disposed in front of a dredge ship constit...
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JP6680842B2 |
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JP6666922B2 |
Some embodiments of the invention relate to a spill containment boom unit for deployment in ambient water, using water absorbing material, such as SAP, to encourage expansion of a chamber thereof. Some embodiments provide boom units whic...
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JP6655329B2 |
To provide a strontium adsorption sheet without reducing adsorptivity which a strontium absorbent originally has, hardly dropping the strontium absorbent even impregnated into sea due to waves of sea water or the like and further capable...
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JP6646459B2 |
To provide an economical pollution prevention structure for dredging operations, which can reliably exert a drawing function and a pollution prevention function.A structure prevents pollution during dredging operations executed by utiliz...
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JP6645659B2 |
To collect Microcystis living body generated in water system such as pound, lake, liver and dam lake to a predetermined sealed water system by natural force or with reducing powder sources to make the same effectively eaten by microscopi...
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JP6631966B2 |
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JP6589162B1 |
To provide an apparatus for collecting dust floating on a liquid surface. The apparatus of the present invention has a container having a space for collecting dust inside, a first tubular portion at the upper part, and a pump at the lowe...
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JP6564980B1 |
To disclose an all-weather monitoring type lake management system. The transmission housing is fixedly installed in the mounting box including a mounting box, and a rotating housing located in the mounting box is installed on the right s...
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JP6564979B1 |
To disclose a lake management system. The transmission housing is fixedly installed in the mounting box including a mounting box, and a rotating housing located in the mounting box is installed on the right side of the transmission housi...
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JP2019130500A |
To provide an oil absorbing mat capable of adjusting sediment time in sea.There is provided an oil absorbing mat having a soluble fiber which preferably is an alkali earth silicate fiber or a fiber remaining in an organism with half life...
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JP6548079B2 |
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JP6537098B2 |
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JP2019105043A |
To be able to economically carry out the mooring and removal work of a pollution control fence in a short time, and to install a pollution control fence at the site where the boundary normal exists without breaking water restrictions.One...
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JP6534823B2 |
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JP6528327B2 |
To provide a floating algae collection device capable of selectively collecting only floating algae such as microcystis.A floating algae collection device includes: a gate-shaped device frame 26; a cylindrical dust separating drum 28 lat...
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JP6521199B2 |
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JP6516120B2 |
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JP6510268B2 |
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JP6508684B2 |
[Problem] To provide an apparatus and a method for inhibiting the growth of algae, whereby it becomes possible to effectively inhibit the growth of algae in a closed water area using a microorganism. [Solution] An apparatus for inhibitin...
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JP6506465B1 |
To provide a ship-passing gate capable of preventing damage to a fence and a ship-passing gate by reducing contact friction between a fence and a hull that occurs at the time of overcoming without pulling the propeller portion onto the w...
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JP6497694B2 |
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JP6489609B2 |
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JP6491483B2 |
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JP6478580B2 |
To provide a material which is a sheet-like material suitable for use as a curtain of a pollution prevention membrane, and which, when used as the curtain, is not perforated by abrasion in a short period even if the curtain is rubbed by ...
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JP6470259B2 |
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JP2018199949A |
To provide a floating matter collecting boat which takes in a drifting and floating matter by a through flow pump, and then, efficiently collects various floating matters due to a difference of a specific gravity from water in a floating...
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JP6420013B1 |
To provide a guidance method capable of simply displaying the position of a drifting object and providing position information to a recovery ship without using expensive equipment, and a drifting object collection guidance device. A GPS ...
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JP6404519B1 |
To provide a pollution prevention fence device capable of smoothly and surely performing an unpacking operation of a fence main body without damaging the fence main body. This is a pollution prevention fence device having a binding mecha...
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JP6329969B2 |
A conveyor (1) suitable for lifting floating waste or other waste just under the water surface consists of a stairway whose steps (2) are movable along an endless loop having a rising section (3) and a return section (4). The steps has t...
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JP6315558B2 |
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JP6313232B2 |
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JP6308512B2 |
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JP6294122B2 |
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JP6284155B2 |
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JP2018027054A |
To provide a float cover that is hard to be damaged by abrasion in a short term, even if being rubbed with reefs by ocean wave, tiding, etc.A float cover is characterized by being constituted from fabric constituted by multifilament yarn...
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JP2018009451A |
To provide a pollution prevention membrane that is easy to remove temporarily when a ship is allowed to pass and that has also high effect of preventing rolling-up of sludge from a water bottom.Provided is a pollution prevention membrane...
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JP6219718B2 |
To provide an in-situ purification system using a zeolite concrete panel which is capable of securely purifying polluted water despite a simple structure.A purification system comprises: a polluted water filtering region 10 which is form...
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JP6218132B2 |
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JP6202675B2 |
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