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JP3402592 |
To provide a back pressure resistance test method for filter cartridge applicable to an actual plant by applying a back pressure to a filter cartridge in the same condition as the back pressure such as water hammer or the like generated ...
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JP2003053370 |
To provide a biological treating reaction tank in which a separation membrane is hardly clogged. The biological treating reaction tank 2 is provided with a supply pipe 3 to supply raw water 6 to the reaction tank 2. An air distributing d...
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JP2003047807 |
To provide a filter cloth for a filter press having a more uniform precoat layer less liable to peel formed on the surface of the filter cloth. In the filter cloth for a filter press having a precoat layer 30 using a filter aid formed on...
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JP3394490 |
To provide a filter device capable of automating the cleaning of a filter body and making maintenance free with respect the filter device, in which the filter body having a fine gap is divided to form a filter before space and a filter a...
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JP2003020340 |
To provide a production method for a polymer compound solution whereby active carbon used for purifying the solution can be removed by filtration at a high filtration rate.This production method comprises mixing a polymer compound soluti...
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JP3388272 |
To provide a filter element and a condensate filter wherein a basic structure is successively used without modifying it, a precoated filter element can be replaced with a non-precoated filter element having an interchaneability thereto a...
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JP2003010846 |
To prevent a pump from idling by air flowing when the pump is resumed in an apparatus for removing a substance in a fluid.A liquid reserving pipe 43 is provided on the midway of pipe for connecting the pump 23 and a filter 2. When the pu...
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JP2003009808 |
To provide a method for desalting soy sauce lees efficiently removing salinity from the soy sauce lees and effectively using the obtained desalted carbonized material and saline solution.This method for desalting soy sauce lees comprises...
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JP2003010847 |
To solve such a problem that the filtering capacity in an apparatus for removing a substance in a fluid is not enhanced because suction force is not applied imformly to all of a plurality of filters arranged in a raw water tank.In the ap...
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JP2003010848 |
To solve such a problem that a controlling a second filter membrane formed on the surface of the filter is preformed by air bubbles but it causes the lowering of the filtering capacity of by the clogging on the second filter membrane.In ...
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JP2003010862 |
To separate water from excretions with good efficiency.In a mountain district, excretions are treated after transporting with a helicopter to a flatland or is incinerated there. In any case, reduction in its amount and volume is necessar...
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JP2002361012 |
To remove the clogging of a filter perfectly by detecting the clogging of the filter for removing refuse in a fluid in an apparatus for circulating bath water in a step when the deterioration of the performance hardly occurs and in a tim...
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JP2002336613 |
To provide a bath water cleaning apparatus capable of refreshing filtration performance easily without changing a filter.A controller 100 controls to pass bath water through a 2nd space 30 toward the 1st space 29 to remove a pre-coat mat...
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JP2002336692 |
To provide a filter aid for gas-solid separation suitable for use in which highly reactive slaked lime is used as a reactant.The filter aid for gas-solid separation comprises uncrushed expanded perlite.
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JP2002336616 |
To make the improvement in filtration efficiency, the lowering of an addition rate of active carbon and driving power for filtration possible.Raw water (a) for treatment is introduced into an intimate mixing tank 2. The powder active car...
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JP2002331211 |
To provide a filter aid used for filtering an aqueous liquid, having a good filtering action, and suited for precoat filtration.A method for filtering an aqueous liquid is provided. The method is one comprising filtering the liquid in th...
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JP2002326083 |
To provide an adsorption system, in which the quantity of adsorption filter media to be interchanged and to be treated is reduced.Activated carbon adsorption columns 15 and 16 for pretreatment, in which a small quantity of an activated c...
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JP2002320983 |
To provide a drainage treatment system which improves a recovery efficiency of sludge.A solid/liquid separation device 40 has a structure to filter a solid/liquid mixture charged therein, eliminate liquid portion and discharge remaining ...
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JP2002316198 |
To provide a sludge dehydration method capable of effectively reusing removed sludge.This method is used in a vacuum-precoat-type dehydration treatment using a rotary drum. In this method, the surface layer of sludge adsorbed by a precoa...
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JP2002315598 |
To provide a method and apparatus for determining particles such as cells carried in a fluid of a medium, needing no expensive instruments, relatively less expensive, high in reliability, reproducibility, precision and accuracy, and appl...
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JP2002292834 |
To regenerate a waste cleaning fluid with high efficiency using an electrostatic field and enhance practicability, with regard to a waste fluid regeneration device of a printer and a waste fluid regeneration method.This waste fluid regen...
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JP2002296389 |
To provide a condensate processing system in a boiling water reactor power plant and its operation method, which maintains a concentration balance of Fe, Ni and Co in reactor water, even after changing of the kind of filter elements is m...
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JP2002282623 |
To provide a method and an apparatus for monitoring a water filtrate whereby the performance of removing Cryptosproridium can be judged instantly and more efficiently.This apparatus comprises a mixing basin 1 where a coagulant is diffuse...
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JP2002282860 |
To provide a method and equipment for purifying a swimming pool water preferably satisfying capabilities required for a purifying equipment for filtration, sterilization and adsorption purification or the like of impurities contained in ...
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JP2002273113 |
To apply a chemical liquid having high cleanness.A filter 4 is integrally formed from a liquid storage chamber 8 housing the chemical liquid supplied from a liquid tank 3 and a filter medium housing chamber 9 for filtering the chemical l...
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JP2002273465 |
To provide a method for solid/liquid separation of activated sludge by which activated sludge is separated into slid and liquid in a small installing area, treatment equipment can be made compact and a large amount of filtered water is s...
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JP2002273111 |
To provide a filter apparatus comprising a plurality of filtering units capable of filtering a plurality of samples at the same time and capable of certainly filtering the samples by all of the filtering units regardless of the differenc...
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JP2002273118 |
To provide a filter aid supply device adapted to a filter using a filter aid comprising porous fine particles and capable of supplying the filter aid while cutting the same even if the filter aid is solidified by moisture absorption.The ...
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JP2002273117 |
To provide a sewage treatment apparatus capable of performing removal treatment of SS by low power without requiring a long time in the removal treatment of SS.The sewage treatment apparatus includes a main treatment device, which compri...
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JP2002273119 |
To obtain a filter rapidly and easily performing the treatment of a waste filter medium while automating the washing of a filter main body and making maintenance free, and a waste filter medium forcible separator.The filter has a filter ...
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JP2002263407 |
To provide a filtration system having a mechanism of discharging the reaction gas generated in raw water to an external atmosphere.The filtration system is first provided with an air exit 201 to exhaust reactive gas 113 and simultaneousl...
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JP2002263677 |
To provide a solid-liquid separation technique for activated sludge which makes it possible to stably obtain a large volume of filtrate water with smaller power and to obtain formation of a good dynamic filtration layer and a stable filt...
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JP2002253912 |
To remove minute organisms in the water.This method for removing minute organisms in the water is carried out by repeating such steps cyclically as comprising a forming step to form a precoated film on the surface of a filter medium of a...
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JP2002248349 |
To provide a filter aid which is used for filtering an aqueous liquid, has excellent filtration action and is suitable for a precoated filtration.Such a particulate water-insoluble polymer preparation is used for the filter aid for filte...
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JP2002239318 |
To provide a method for manufacturing a filter by which the manufacturing efficiency can be increased by saving the wasteful consumption of a filter medium, in a filter, consisting of a filter base and a filter paper combined in one piec...
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JP2002239529 |
To solve the problem that a filtering and refining method for obtaining drinking water from raw water is constituted so as to only once pass the raw water through a filtering treatment material and therefore, an apparatus becomes large-s...
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JP2002233716 |
To provide a clean water treating method by a high treating efficiency capable of easily evaluating and maintaining a removal performance of a suspended substance and carrying out the optimum control not depending on a contaminant load f...
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JP2002233715 |
To provide a powder feeder capable of feeding powder into a liquid carrying passage by conducting the feed control to form an air collecting part without using a closing means, and to provide a bath water cleaning apparatus using the sam...
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JP2002210312 |
To provide a filtering method having a high filtering speed, in removing insoluble organic impurities present in the lower or intermediate layer of a double-layered solution, which contains at least two kinds of solutions immiscible to e...
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JP2002192465 |
To prevent grinding chips and polishing chips generated by mechanical machining such as dicing, flushed by water, and filtered by a filter, from generating a gel-shaped or colloidal product and clogging the filter when drain water become...
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JP2002186808 |
To reduce the number of machines or parts by imparting a plurality of functions to one pump to achieve miniaturization and to realize efficient filtering and circulation.A cooling water filtering and circulating device A has a pump 1, a ...
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JP2002179725 |
To provide a method for removing excess amounts of water-soluble amine efficiently from a Mannich condensation product to improve formulating characteristic of the Mannich condensation product.This method for removing excess amounts of w...
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JP2002176016 |
To solve the problem that polishing waste, grinding waste heretofore generated by dicing are all mixed together in a tank and treated, polishing chips, grinding chips generated by a mechanical processing such as a CMP or the like are sim...
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JP2002166112 |
To prevent the damage of the filtering function of a filter body at the time of sudden increase in the concentration of a solid when a liquid to be treated in which the solid such as fine particles or the like is suspended is filtered by...
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JP3312964 |
PURPOSE: To maintain a state suited to filtration for a long time so that a tolerable filtration time is prolonged and enhance filtration efficiency by sealing one side of a filter with a liquid in the early stage of a filtration step an...
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JP2002153708 |
To solve a problem that grinding refuse generated by the machining of a semiconductor such as dicing or the like and wastewater mixed with grinding refuse are treated heretofore by a combination of a flocculation and sedimentation method...
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JP3306401 |
To solve such a problem that wastewater mixed with grinding and cutting refuses generated heretofore by machining such as dicing or CMP is conventionally treated by a flocculation/sedimentation method or a combination of filtering and ce...
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JP3306402 |
To solve such a problem that all of ground and cut refuses generated by dicing or by machining such as CMP, or the like, are together mixed within a tank heretofore and a substance severe in environmental standards is also mixed to be tr...
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JP2002119808 |
To provide a method and device for filtering by a precoat membrane, by which the operation cost is reduced.Raw water is filtered by passing through a filtration membrane module 5, on which the precoat membrane PC is formed by sticking fl...
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JP2002114576 |
To provide a method and a device for removing coarse ceramic particles efficiently from ceramic slurry.Coarse ceramic particles are removed by arranging a circulation line 34 outside a slurry chamber 32 for circulating and fluidizing the...
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