WO2017150740A1 - Tapis adsorbant l'huile et procédé de production associé - Google Patents

Tapis adsorbant l'huile et procédé de production associé Download PDF

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Publication number
WO2017150740A1
WO2017150740A1 PCT/JP2017/008861 JP2017008861W WO2017150740A1 WO 2017150740 A1 WO2017150740 A1 WO 2017150740A1 JP 2017008861 W JP2017008861 W JP 2017008861W WO 2017150740 A1 WO2017150740 A1 WO 2017150740A1
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Prior art keywords
oil
fine
mat
fat
diameter
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PCT/JP2017/008861
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English (en)
Japanese (ja)
Inventor
池ヶ谷　守彦
孝嗣 越前谷
曽田　浩義
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エム・テックス株式会社
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Priority to JP2018503442A priority Critical patent/JPWO2017150740A1/ja
Publication of WO2017150740A1 publication Critical patent/WO2017150740A1/fr

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    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • 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
    • C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material

Definitions

  • the present invention relates to a fine fiber fat adsorption mat used in an oil fat adsorption device for adsorbing and removing fats and oils from contaminated water, and a method for producing the same, and in particular, an oil fat adsorption mat in which fine resin fibers having a diameter of 100 nm to 20 ⁇ m are deposited. And a manufacturing method thereof.
  • the present invention relates to a fine fiber fat adsorption mat used in an oil fat adsorption device for adsorbing and removing fat from contaminated water discharged from kitchens such as canteens and restaurants, and a method for producing the same, and in particular, a synthesis of a diameter of 100 nm to 20 ⁇ m.
  • the present invention relates to an oil and fat adsorbing mat on which fine fibers of resin are deposited and a method for producing the same.
  • the present invention also relates to an oil and fat adsorbing mat packaged in a plastic resin bag, a plastic resin mesh bag, a paper bag, etc., in order to optimize the distribution of the oil adsorbing mat.
  • the oil and fat adsorption device is generally called a grease trap, and is required to be installed in all kitchens such as restaurants, hotels, cafeterias, and lunch centers, and contaminated water discharged from all commercial kitchens. Is not required to be discharged directly into public sewers, but it is obliged to clean the contaminated water with a grease trap before discharging it, which is also useful for adsorbing oil and fat from contaminated water discharged from commercial kitchens. It is.
  • Patent Document 1 Japanese Patent Laid-Open No. 9-234179
  • an oil-adsorbing mat mainly composed of wool noils (waste) generated by wool spinning, and low melting point polyester fibers (a mixture ratio of about 30% of the total) is obtained with wool noils.
  • a sheet formed by carding to heat the polyester fiber to produce a nonwoven mat is obtained in Patent Document 1 (Japanese Patent Laid-Open No. 9-234179).
  • low-melting polyethylene and high-melting polypropylene composite polyolefin fibers are mixed with woolnoyl, and the sheet is heat-treated to melt the low-melting polyethylene to produce a nonwoven fabric mat.
  • a resin layer in which oil does not penetrate is formed on one side of the oil adsorption mat, and the other side is used as an oil adsorption surface.
  • Patent Document 2 Japanese Patent Application Laid-Open No. 2015-77531
  • an immobilized enzyme with a larger specific surface area is always brought into contact with sludge in the grease trap, and the ability is demonstrated directly in the grease trap.
  • a system that cleans the inside of a grease trap stably for a long period of time.
  • Non-Patent Document 1 discloses an oil adsorption sheet for a grease trap and its usage.
  • an oil adsorbing sheet for a grease trap has been known. These oil adsorbing sheets are formed into a predetermined dimensional thickness with a nonwoven fabric or the like, and rolls or sheets are used. Such oil adsorbing sheets are floated in an oil / water separation tank at the center of the grease trap. Used.
  • Such an oil adsorbing sheet is floated and used in an oil / water separation tank at the center of the grease trap, and the adsorbing sheet adsorbs oil and fat in contaminated water, but is required to have a large adsorbing amount.
  • the adsorbing sheet used in this way and adsorbing oil and fat is discarded as industrial waste.
  • An object of the present invention is to provide an oil and fat adsorbing mat that has a large amount of oil and fat adsorbed and is easy to use.
  • the oil and fat adsorbing mat of the present invention is an oil and fat adsorbing mat used in an oil and fat adsorbing device for adsorbing and removing oil and fat from contaminated water, and the oil and fat adsorbing mat has a predetermined shape and a fine diameter of 100 nm to 20 ⁇ m. It consists of an aggregate of fibers, the weight per unit volume (10 mm ⁇ 10 mm ⁇ 10 mm) is 0.015 g to 0.030 g, and the thickness c of the central portion where the fine fiber is deposited is 10 mm to 50 mm.
  • the predetermined shape of the oil-fat adsorption mat of the present invention is characterized in that it has a predetermined shape composed of four solid edges at the top, bottom, left and right.
  • the term “solid edge portion” means that the collected fine-diameter fiber aggregate is joined by melting or the like when the aggregate of fine-diameter fibers collected and deposited is cut into a predetermined shape. It means that it forms in solid. Thereby, the outer edge part of a predetermined shape is formed firmly.
  • the fat and oil adsorption mat of the present invention is a rectangular shape having a predetermined shape of amm ⁇ bmm.
  • the specific dimensions should be changed depending on the application.
  • the fat and oil called a grease trap is used.
  • a and b of the fine-diameter fiber fat adsorption mat used in the adsorption device are 100 mm ⁇ a ⁇ 700 mm. 100mm ⁇ b ⁇ 700mm It is characterized by being.
  • the oil and fat adsorption mat of the present invention is characterized in that the oil and fat adsorption mat is packaged in a plastic resin bag, a plastic resin mesh bag, a paper bag, or the like.
  • the method for producing an oil and fat adsorbing mat according to the present invention is a method for producing an oil and fat adsorbing mat used in an oil and fat adsorbing device that adsorbs and removes oil and fat from contaminated water, and is characterized by the following steps.
  • (1) A step of ejecting a molten resin from a peripheral edge of a gas jet flow ejected from a fine-diameter resin fiber manufacturing apparatus and entraining the ejected molten resin into the gas jet flow to form a fine-diameter fiber flow from the molten resin .
  • the fine-diameter fiber having a predetermined thickness is collected and collected in a predetermined-shape mold having a predetermined shape installed with respect to the collecting means.
  • the mat has a predetermined shape.
  • the collection means is rotated to enter the collection procedure for the next fine fiber.
  • the method for producing an oil and fat adsorbing mat according to the present invention is a method for producing an oil and fat adsorbing mat used in an oil and fat adsorbing device that adsorbs and removes oil and fat from contaminated water, and is characterized by the following steps.
  • (1) A step of ejecting a molten resin from a peripheral edge of a gas jet flow ejected from a fine-diameter resin fiber manufacturing apparatus and entraining the ejected molten resin into the gas jet flow to form a fine-diameter fiber flow from the molten resin .
  • the central portion can be applied to the grease trap while maintaining a soft and fluffy accumulated state, so that a large amount of oil and fat can be adsorbed.
  • the adsorption mat can be replenished easily to a predetermined portion of the grease trap by hand, so that many uses are possible.
  • the present invention is an oil-and-fat adsorption mat
  • a contaminated water generally called a grease trap and discharged from a kitchen such as a canteen or a restaurant.
  • the fine fiber fat and oil adsorption mat used in the fat and oil adsorption device that adsorbs and removes fat from the oil will be described.
  • the oil adsorption mat of the present invention can also be used for oil adsorption in oil tanks, cargo tanks such as oil tankers and coal transport ships, etc. it can.
  • FIG. 4 shows a manufacturing apparatus for manufacturing the oil-absorbing mat according to the embodiment of the present invention and a method for manufacturing the oil-absorbing mat according to the embodiment of the present invention.
  • a nanofiber deposit manufacturing apparatus and a nanofiber manufacturing method used as an oil and fat adsorption mat will be described.
  • the nanofiber deposit manufacturing apparatus is divided into a melt type and a melt type depending on the manufacturing process of the liquefied resin. That is, there are a method in which solid resin pellets are heated to plasticize and liquefy, and a method in which solid resin is dissolved in a specific solvent and liquefied. However, in the following description, a nanofiber deposit manufacturing apparatus and a nanofiber manufacturing method in which solid resin pellets are heated and plasticized to be liquefied are described. Absent. Moreover, although the manufacturing apparatus and manufacturing method of a nanofiber are demonstrated, as an oil-fat adsorption mat of the Example of this invention, it is not restricted to a nanosize fine diameter fiber, A microfiber may be sufficient. However, more specifically, it is a mixture of relatively large diameter fine diameter fibers and smaller diameter fine diameter fibers.
  • the fiber diameter of the fat and oil adsorption mat of the embodiment of the present invention is not an aggregate of single-diameter fine-diameter fibers, but includes fine-diameter fibers having a diameter of 100 nm to 20 ⁇ m, as shown in the enlarged portion of FIG.
  • intertwined ones are formed. More specifically, thick fibers are intertwined with each other, and fine fibers are intertwined with each other. In that case, in order to absorb fats and oils, it is necessary to form continuous cavities so as to cause capillary action.
  • the pellet-shaped resin raw material charged into a hopper is supplied into a heating cylinder heated by a heater and melted, and the front of the heating cylinder is rotated by a screw rotating by a motor.
  • the pressure is sent out in the left direction (FIG. 4).
  • a jet head part is provided at the tip of the heating cylinder, and high-pressure gas is jetted from a gas jet port formed at the center of the head part.
  • the liquid molten resin raw material that has been pumped to the tip of the heating cylinder is discharged from the liquid molten raw material discharge ports of a plurality of ultra-thin tubes arranged on the circumference on the downstream side of the gas jetting means of the head portion. .
  • the liquid melt raw material discharge ports of a plurality of ultra-thin tubes are evenly arranged around the gas jet port arranged at the center. As a result, the molten resin discharged from the liquid molten raw material discharge port is drawn into the central high-pressure jet gas flow and stretched to form nano-order fine fibers.
  • the high-pressure gas is ejected from the gas ejection port formed at the center, and downstream of the high-pressure gas ejection port.
  • the liquid molten raw material is discharged from the liquid molten raw material discharge ports of a plurality of ultrafine tubes arranged on the side.
  • the fine-diameter resin fiber manufacturing apparatus 100 shown in FIG. 4 has a hopper 10 for feeding solid resin pellets or the like as a resin as a nanofiber material into the fine-diameter resin fiber manufacturing apparatus 100, and a hopper 10
  • a heating cylinder 20 for receiving and supplying the resin from the heating cylinder 20, a heater 30 as a heating means for heating the heating cylinder 20 from the outside, and being rotatably accommodated in the heating cylinder 20 and rotating.
  • An opening nozzle is provided at the tip of the heating cylinder 20 as a gas outlet for injecting gaseous hot air.
  • the present invention is not an invention of the manufacturing apparatus itself, details of the manufacturing apparatus are not shown.
  • the head unit 70 is supplied with high-pressure gas through a pipe (not shown) connected to a gas piping unit 80 serving as a gas supply pipe in order to inject the injection gas.
  • the gas piping unit 80 is provided with heating means such as a heater, and is configured to inject hot air from an opening nozzle as a gas outlet.
  • the head portion 70 and the heating cylinder 20 are connected via a seal portion such as an O-ring or a donut-shaped sheet member, and have a configuration in which molten resin does not leak out of the apparatus.
  • the head portion 70 is provided with a resin discharge means.
  • the resin discharge means includes a resin discharge needle and a resin discharge needle mounting portion having a structure for mounting the resin discharge needle. It is configured.
  • a pipe (not shown) to which high-pressure gas is supplied from the heating cylinder 20 is connected to the head unit 70 of the fine-diameter resin fiber manufacturing apparatus 100 via a gas piping unit 80.
  • the high-pressure gas from the gas piping unit 80 is introduced into the head unit 70 and ejected from an opening nozzle (not shown) as a formed gas ejection port.
  • a plurality of resin discharge means (not shown) are arranged around the gas ejection port.
  • a gas jet flow is ejected from the head portion 70 of the fine-diameter resin fiber manufacturing apparatus 100 shown in FIG. 4 toward the front side of the apparatus (left direction in FIG. 4), and around the molten resin discharge means A plurality of (not shown) are arranged, and molten resin is ejected from the gas ejection flow.
  • the molten resin ejected with respect to the gas ejection flow is caught in the gas ejection flow, and a fiber flow 75 is formed from the molten resin.
  • the fiber flow 75 rides on the gas jet flow, and the fine-diameter fibers formed on the collection screen 90 are collected and deposited to form a fine-diameter fiber mat 85 having a predetermined thickness.
  • the fine diameter resin fiber manufacturing apparatus described as an embodiment of the present invention is currently described as having an integrated resin melting function and gas ejection function in one apparatus.
  • an apparatus having a configuration in which these two functions are separated is used. May be. This is not different from the inventive idea of the present invention.
  • FIG. 5 shows a fine-diameter fiber mat 85 formed by depositing fine-diameter fibers collected on the collection screen 90 by the fine-diameter resin fiber manufacturing apparatus 100 to a predetermined thickness.
  • the fine fiber mat 85 formed by collecting and depositing fine fiber having a diameter of 100 nm to 20 ⁇ m on the collection screen 90 is formed to have a thickness of 10 mm to 50 mm.
  • the fine fiber mat 85 is deposited on the collection screen 90 so that the weight per unit volume (10 mm ⁇ 10 mm ⁇ 10 mm) is 0.015 g to 0.030 g.
  • the meaning of the term “deposition” means that the molten resin is entrained in the jet gas by the fine-diameter resin fiber manufacturing apparatus, and the fine-diameter fibers are collected on the collection screen. The state accumulated in the thickness of.
  • FIG. 6 is an explanatory view showing a molding procedure for molding the oil-absorbing mat 300 of the present invention by the mold 200 from the fine-diameter fiber mat 85 collected and deposited on the collection screen 90.
  • the mold 200 includes a molding upper mold 201 and a molding lower mold 202.
  • the molding dies 201 and 202 are provided with molding recesses 204 and 205, and the molding upper mold 201 is provided with a cutting blade 203. Yes.
  • FIG. 6A shows a state in which the fine fiber mat 85 is peeled off from the collection screen 90 and disposed between the upper mold 201 and the lower mold 202.
  • FIG. 6B shows the cutting blade 203 provided on the molding upper die 201 with the relative positional relationship between the molding upper die 201 and the molding lower die 202 changed (closed).
  • the oil / fat adsorption mat 300 is cut and formed into a predetermined shape (generally a quadrangle).
  • an oil and fat adsorbing mat 300 is formed which includes a central portion 310 in a piled state in which fine-diameter fibers are soft and fluffy, and solid edge portions 320 that are four edges on the top, bottom, left and right.
  • the cutting blade 203 of the forming upper mold 201 can be easily cut by heating with an appropriate heating means.
  • the molding upper mold 201 and the molding lower mold 202 are closed, and the cutting blade 203 is used instead of the method of cutting the oil-absorbing mat 300 and molding it into a predetermined shape.
  • a predetermined shape is formed simultaneously with the deposition.
  • the mold frame 95 has a predetermined shape to be molded.
  • FIG. 8 shows an outline of the collecting means 110 that continuously molds the fine-diameter fibers into a predetermined shape.
  • the fine-diameter fibers discharged by the fine-diameter resin fiber production apparatus 100 of the present invention have a predetermined length and are entangled with each other, so that they are small as shown in FIGS. There is no need to use a mesh screen.
  • the fine-diameter fiber collecting means 110 shown in FIG. 8 includes a mold 95 that surrounds three sides of a shape desired to be molded, and a collecting body 120 that is rotated by an appropriate driving means (not shown).
  • the rotating collecting body 120 includes a plurality of collecting rods 98 for collecting fine resin fibers on the rotating shaft 97.
  • the collector 120 shown in FIG. 8 forms first and second fine-diameter resin fiber collecting surfaces 99-1 and 99-2, each of which is composed of a plurality of collecting rods 98 having two surfaces in the vertical direction.
  • a procedure for continuously forming a fine-diameter fiber into a predetermined shape by the collecting means 110 will be described.
  • the fine diameter fibers discharged by the fine diameter resin fiber manufacturing apparatus 100 are collected by a plurality of collecting rods 98 on the first collecting surface 99-1.
  • the collected fine-diameter fibers become a deposit having a predetermined shape in the frame mold constituted by the mold frame 95 and the bottom frame 96.
  • the bottom frame 96 can be attached to the rotating shaft 97.
  • the collection means 110 rotates backward and moves downward on the first collection surface 99-1. Then, the second collection surface 99-2 moves upward to enter the next collection procedure.
  • the manufacturing method of the fat adsorption mat used for the fat adsorption apparatus which adsorbs and removes fat from the contaminated water of the present invention comprises the following steps. (1) Molten resin is ejected from the peripheral edge of the gas ejection flow ejected from the fine diameter resin fiber manufacturing apparatus 100, and the ejected molten resin is entrained in the gas ejection flow to form a fine diameter fiber flow from the molten resin. Step. (2) A step of receiving the ejected fine diameter fiber flow by the collecting means 110 and collecting and depositing the fine diameter fibers on the collecting means to form a fine diameter fiber mat having a predetermined thickness.
  • FIG. 1 shows a perspective view of an oil / fat adsorption mat 300 of the present invention.
  • the oil / fat adsorption mat 300 of the present invention is formed as the oil / fat adsorption mat 300 having a predetermined shape from the fine-diameter fiber mat 85 collected and deposited on the collection screen 90 of the oil / fat adsorption mat manufacturing apparatus 100 as described above. It is.
  • FIG. 9 shows a perspective view of an oil / fat adsorption mat 300 according to another embodiment of the present invention.
  • the oil and fat adsorbing mat 300 of another embodiment is molded as a mat having a predetermined shape in the mold 95 by the collecting means 110 of the oil and fat adsorbing mat manufacturing apparatus 100 as described above.
  • the oil / fat adsorption mat 300 of the present invention has a rectangular shape with a long side amm and a short side bmm, and its thickness is cmm.
  • the predetermined shape of the oil / fat adsorption mat 300 may be a square or another shape.
  • a, b, and c have the following dimensions as examples. 100mm ⁇ a ⁇ 700mm 100mm ⁇ b ⁇ 700mm 10mm ⁇ c ⁇ 50mm
  • the fat and oil adsorption amount of the oil and fat adsorption mat 300 of the present invention can be expected to be about 1 kg of fat and oil adsorption amount with about 20 g of the adsorption mat.
  • the above values are appropriate for the width (a dimension) and depth (b dimension) of the adsorption mat size of the present invention when the purpose of use is limited for a grease trap.
  • the collection screen itself or the fiber manufacturing apparatus itself is configured to operate in an arbitrary direction. Thereby, for example, the depth (b dimension) is fixed, and the width (a dimension) exceeds the above-mentioned numerical value, and the same deposit can be created.
  • the oil / fat adsorption mat 300 of the present invention is formed by cutting the deposited fine-diameter fiber mat 85 into a predetermined shape, so that the central portion 310 has a predetermined thickness. It has a mat shape, and its four upper, lower, left and right edges are fused at the cut portions to form a solid edge 320.
  • the central portion 310 is maintained in a predetermined shape by the solid edge portions 320 of the four edges at the top, bottom, left, and right while maintaining the accumulation state in which the fine-diameter fibers are soft and plump. .
  • the thickness of the central portion 310 of the mat-like oil-absorbing mat 300 having a predetermined thickness is formed to be 10 mm to 50 mm.
  • the unit volume ( The weight per 10 mm ⁇ 10 mm ⁇ 10 mm) is 0.015 g to 0.030 g. This naturally changes due to a change in material.
  • the diameter of the fine diameter fiber of the fat and oil adsorption mat 300 of the embodiment of the present invention is not an aggregate of single diameter fine fibers but an aggregate of fine diameter fibers having a diameter of 100 nm to 20 ⁇ m. As shown in the enlarged portion of FIG. 2, a collection of fine diameter fibers is formed in which fine fibers having relatively large diameters are entangled with each other, and fine diameter fibers having a relatively small diameter are entangled with each other.
  • the fat and oil adsorption mat 300 is soft and fluffy without compressing the central portion 310 in order to form a continuous cavity for oil and fat adsorption by spraying molten resin and depositing fine fibers.
  • One technique is to solidify the four edges as a solid part by the solid edge 320, and another technique is to form a predetermined shape simultaneously with collection and deposition.
  • the central portion 310 is a soft and plump deposit, and the four edges can be maintained without breaking the predetermined shape.
  • continuous cavities that cause capillary action are formed.
  • a part of the central portion 310 can be cut by hand, and the oil-absorbing mat can be used at a desired position such as a grease trap. More specifically, thick fibers are intertwined with each other and thin fibers are intertwined with each other.
  • the fat and oil adsorption mat 300 of the embodiment of the present invention is packaged one by one in a plastic packaging bag 350 as shown in FIG.
  • the packaging bag 350 includes a pocket portion 351 that accommodates the fat and oil adsorption mat 300 and a flap portion 352 that is provided at an opening of the pocket portion 351.
  • the fat and oil adsorption mat 300 that has adsorbed the used fat and oil can be disposed in the packaging bag 350 and discarded as industrial waste.
  • Fine diameter resin fiber manufacturing apparatus 10 Hopper 20: Heating cylinder 30: Heater 40: Screw 50: Connection part 60: Motor 70: Head part 75: Fiber flow 80: Gas piping part 85: Fine diameter fiber mat 90: Catch Collection screen 95: Mold 98: Collection rod 110: Collection means 200: Mold 201: Molding upper mold 202: Molding lower mold 203: Cutting blade 300: Oil / fat adsorption mat 310: Central portion 320: Solid edge

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Removal Of Floating Material (AREA)
  • Water Treatment By Sorption (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

[Problème] Fournir un tapis adsorbant l'huile qui présente une grande capacité d'adsorption de l'huile et qui est pratique. [Solution] Le tapis adsorbant l'huile de la présente invention est destiné à être utilisé en particulier dans un dispositif d'adsorption d'huile pour l'élimination par adsorption d'huiles et de graisses de l'eau contaminée évacuée de cuisines. Le tapis adsorbant l'huile est caractérisé en ce qu'il comprend une masse de fibres fines ayant un diamètre de 100 nm à 20 µm et empilées de façon à avoir une forme donnée, la masse présentant un poids par unité de volume (10 mm x 10 mm x 10 mm) de 0,015 à 0,030 g, la forme donnée étant celle dans laquelle l'épaisseur c de la partie centrale où les fibres fines sont à l'état empilé est de 10 à 50 mm. Le tapis adsorbant l'huile peut être en outre caractérisé en ce que la forme donnée est définie par les bords supérieur, inférieur, droit et gauche qui ont été solidifiés.
PCT/JP2017/008861 2016-03-04 2017-03-06 Tapis adsorbant l'huile et procédé de production associé WO2017150740A1 (fr)

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
JP2019181364A (ja) * 2018-04-09 2019-10-24 基礎地盤コンサルタンツ株式会社 油層回収器
WO2023084026A1 (fr) 2021-11-12 2023-05-19 Sensative Ab Ensemble capteur d'huile capacitif

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