RU2008143241A - NONWOVEN MATERIAL, INCLUDING ULTRA SMALL OR NANOSIZED POWDERS - Google Patents

NONWOVEN MATERIAL, INCLUDING ULTRA SMALL OR NANOSIZED POWDERS Download PDF

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RU2008143241A
RU2008143241A RU2008143241/15A RU2008143241A RU2008143241A RU 2008143241 A RU2008143241 A RU 2008143241A RU 2008143241/15 A RU2008143241/15 A RU 2008143241/15A RU 2008143241 A RU2008143241 A RU 2008143241A RU 2008143241 A RU2008143241 A RU 2008143241A
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fibers
particles
fibrous structure
group
alumina nanofibers
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RU2008143241/15A
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Russian (ru)
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RU2394627C1 (en
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Фредерик ТЕППЕР (US)
Фредерик ТЕППЕР
Леонид А. КАЛЕДИН (US)
Леонид А. КАЛЕДИН
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Аргонайд Корпорейшн (Us)
Аргонайд Корпорейшн
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    • 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
    • C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2068—Other inorganic materials, e.g. ceramics
    • B01D39/2082—Other inorganic materials, e.g. ceramics the material being filamentary or fibrous
    • B01D39/2089—Other inorganic materials, e.g. ceramics the material being filamentary or fibrous otherwise bonded, e.g. by resins
    • 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
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • 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
    • B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28004—Sorbent size or size distribution, e.g. particle size
    • B01J20/28007—Sorbent size or size distribution, e.g. particle size with size in the range 1-100 nanometers, e.g. nanosized particles, nanofibers, nanotubes, nanowires or the like
    • 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
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28023—Fibres or filaments
    • 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
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28028—Particles immobilised within fibres or filaments
    • 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
    • B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28095—Shape or type of pores, voids, channels, ducts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/36—Inorganic fibres or flakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
    • B01D2239/0258—Types of fibres, filaments or particles, self-supporting or supported materials comprising nanoparticles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/48—Antimicrobial properties
    • 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
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • 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
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • 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
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • C02F1/505—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment by oligodynamic treatment
    • 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
    • C02F2305/08—Nanoparticles or nanotubes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/36—Inorganic fibres or flakes
    • D21H13/38—Inorganic fibres or flakes siliceous
    • D21H13/40—Inorganic fibres or flakes siliceous vitreous, e.g. mineral wool, glass fibres
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
    • D21H21/52—Additives of definite length or shape

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Geology (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Filtering Materials (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Ceramic Engineering (AREA)
  • Composite Materials (AREA)
  • General Physics & Mathematics (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Nonwoven Fabrics (AREA)
  • Water Treatment By Sorption (AREA)
  • Catalysts (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

1. Фильтр для текучей среды, содержащий: ! a. нановолокна из оксида алюминия; и ! b. вторые волокна, смешанные с нановолокнами из оксида алюминия, при этом вторые волокна расположены так, чтобы создать асимметрические поры. ! 2. Фильтр по п.1, в котором указанные вторые волокна представляют собой комбинацию крупных и мелких волокон. ! 3. Фильтр по п.1, в котором указанные асимметрические поры имеют средний размер, который больше, чем примерно 5 мкм. ! 4. Фильтр по п.1, в котором указанные вторые волокна выбирают из группы, состоящей из микростекловолокон, целлюлозных волокон, волокон из фибриллированной целлюлозы и волокон лиосел. ! 5. Волокнистая структура, включающая: ! a. нановолокна из оксида алюминия; ! b. вторые волокна, смешанные с нановолокнами из оксида алюминия, при этом вторые волокна расположены так, чтобы создать асимметрические поры; и ! c. множество частиц, расположенных на нановолокнах из оксида алюминия. ! 6. Волокнистая структура по п.5, в которой указанные нановолокна из оксида алюминия имеют соотношение размеров, которое больше, чем примерно 5, и имеют наименьший размер, который меньше, чем примерно 50 нм. ! 7. Волокнистая структура по п.5, в которой вторые волокна выбирают из группы, состоящей из микростекловолокон, целлюлозных волокон, волокон из фибриллированной целлюлозы и волокон лиосел. ! 8. Волокнистая структура по п.5, в которой каждое из указанных вторых волокон имеет диаметр, который примерно в десять раз больше среднего диаметра указанных нановолокон из оксида алюминия. ! 9. Волокнистая структура по п.5, в которой каждая из указанных частиц имеет диаметр, который меньше, чем примерно 50 мкм. ! 10. Волокнистая с� 1. A fluid filter comprising:! a. alumina nanofibers; and! b. second fibers mixed with alumina nanofibers, the second fibers being arranged so as to create asymmetric pores. ! 2. The filter according to claim 1, wherein said second fibers are a combination of large and small fibers. ! 3. The filter according to claim 1, wherein said asymmetric pores have an average size that is larger than about 5 microns. ! 4. The filter according to claim 1, wherein said second fibers are selected from the group consisting of microglass fibers, cellulose fibers, fibrillated cellulose fibers and lyocell fibers. ! 5. The fibrous structure, including:! a. alumina nanofibers; ! b. second fibers mixed with alumina nanofibers, the second fibers being arranged so as to create asymmetric pores; and! c. many particles located on nanofibres of aluminum oxide. ! 6. The fibrous structure of claim 5, wherein said alumina nanofibers have a size ratio that is greater than about 5 and have a smallest size that is less than about 50 nm. ! 7. The fibrous structure according to claim 5, in which the second fibers are selected from the group consisting of microglass fibers, cellulose fibers, fibrillated cellulose fibers and lyocell fibers. ! 8. The fibrous structure of claim 5, wherein each of said second fibers has a diameter that is about ten times the average diameter of said alumina nanofibers. ! 9. The fibrous structure according to claim 5, in which each of these particles has a diameter that is less than about 50 microns. ! 10. Fibrous

Claims (30)

1. Фильтр для текучей среды, содержащий:1. A filter for the fluid containing: a. нановолокна из оксида алюминия; иa. alumina nanofibers; and b. вторые волокна, смешанные с нановолокнами из оксида алюминия, при этом вторые волокна расположены так, чтобы создать асимметрические поры.b. second fibers mixed with alumina nanofibers, the second fibers being arranged so as to create asymmetric pores. 2. Фильтр по п.1, в котором указанные вторые волокна представляют собой комбинацию крупных и мелких волокон.2. The filter according to claim 1, in which these second fibers are a combination of large and small fibers. 3. Фильтр по п.1, в котором указанные асимметрические поры имеют средний размер, который больше, чем примерно 5 мкм.3. The filter according to claim 1, wherein said asymmetric pores have an average size that is larger than about 5 microns. 4. Фильтр по п.1, в котором указанные вторые волокна выбирают из группы, состоящей из микростекловолокон, целлюлозных волокон, волокон из фибриллированной целлюлозы и волокон лиосел.4. The filter according to claim 1, wherein said second fibers are selected from the group consisting of microglass fibers, cellulose fibers, fibrillated cellulose fibers and lyocell fibers. 5. Волокнистая структура, включающая:5. The fibrous structure, including: a. нановолокна из оксида алюминия;a. alumina nanofibers; b. вторые волокна, смешанные с нановолокнами из оксида алюминия, при этом вторые волокна расположены так, чтобы создать асимметрические поры; иb. second fibers mixed with alumina nanofibers, the second fibers being arranged so as to create asymmetric pores; and c. множество частиц, расположенных на нановолокнах из оксида алюминия.c. many particles located on nanofibres of alumina. 6. Волокнистая структура по п.5, в которой указанные нановолокна из оксида алюминия имеют соотношение размеров, которое больше, чем примерно 5, и имеют наименьший размер, который меньше, чем примерно 50 нм.6. The fibrous structure of claim 5, wherein said alumina nanofibers have a size ratio that is greater than about 5 and have a smallest size that is less than about 50 nm. 7. Волокнистая структура по п.5, в которой вторые волокна выбирают из группы, состоящей из микростекловолокон, целлюлозных волокон, волокон из фибриллированной целлюлозы и волокон лиосел.7. The fibrous structure according to claim 5, in which the second fibers are selected from the group consisting of microglass fibers, cellulose fibers, fibrillated cellulose fibers and lyocell fibers. 8. Волокнистая структура по п.5, в которой каждое из указанных вторых волокон имеет диаметр, который примерно в десять раз больше среднего диаметра указанных нановолокон из оксида алюминия.8. The fibrous structure of claim 5, wherein each of said second fibers has a diameter that is about ten times the average diameter of said alumina nanofibers. 9. Волокнистая структура по п.5, в которой каждая из указанных частиц имеет диаметр, который меньше, чем примерно 50 мкм.9. The fibrous structure according to claim 5, in which each of these particles has a diameter that is less than about 50 microns. 10. Волокнистая структура по п.5, в которой указанные частицы выбирают из группы, состоящей из мелких частиц, ультрамелких частиц и наноразмерных частиц.10. The fibrous structure according to claim 5, in which these particles are selected from the group consisting of fine particles, ultrafine particles and nanoscale particles. 11. Волокнистая структура по п.5, в которой указанные частицы выбирают из группы, состоящей из сорбента, ионообменной смолы, катализатора, оксида металла.11. The fibrous structure according to claim 5, in which these particles are selected from the group consisting of sorbent, ion exchange resin, catalyst, metal oxide. 12. Волокнистая структура по п.11, в которой указанные частицы сорбента выбирают из группы, состоящей из порошкообразного активированного угля, благородного металла, макромолекулярного органического вещества, биологического соединения и противомикробного агента.12. The fibrous structure of claim 11, wherein said sorbent particles are selected from the group consisting of powdered activated carbon, a noble metal, a macromolecular organic substance, a biological compound, and an antimicrobial agent. 13. Волокнистая структура по п.11, в которой указанные частицы оксида металла выбирают из группы, состоящей из коллоидального диоксида кремния, коллоидального оксида алюминия, нанооксида цинка и нанооксида титана.13. The fibrous structure according to claim 11, in which these particles of metal oxide are selected from the group consisting of colloidal silicon dioxide, colloidal aluminum oxide, zinc nanooxide and titanium nanooxide. 14. Волокнистая структура по п.5, в которой указанными частицами является порошкообразный активированный уголь.14. The fibrous structure according to claim 5, in which these particles are powdered activated carbon. 15. Волокнистая структура по п.14, в которой указанный порошкообразный активированный уголь является импрегнированным.15. The fibrous structure according to 14, in which the specified powdered activated carbon is impregnated. 16. Волокнистая структура по п.15, в которой указанным импрегнирующим веществом является катализатор.16. The fibrous structure according to clause 15, in which the specified impregnating substance is a catalyst. 17. Волокнистая структура по п.11, в которой указанным катализатором является катализатор окисления.17. The fibrous structure of claim 11, wherein said catalyst is an oxidation catalyst. 18. Волокнистая структура по п.11, в которой указанный оксид металла имеет субмикронный размер.18. The fibrous structure according to claim 11, in which the specified metal oxide has a submicron size. 19. Волокнистая структура по п.5, которую применяют для удаления загрязняющих веществ из жидкой, газовой или воздушной среды.19. The fibrous structure according to claim 5, which is used to remove contaminants from a liquid, gas or air environment. 20. Волокнистая структура по п.19, в которой указанные загрязняющие вещества включают, по меньшей мере, одни твердые частицы.20. The fibrous structure according to claim 19, in which these pollutants include at least one solid particles. 21. Волокнистая структура по п.20, в которой указанные, по меньшей мере, одни твердые частицы включают субмикронные частицы.21. The fibrous structure according to claim 20, in which said at least one solid particles include submicron particles. 22. Способ получения волокнистой структуры, включающий стадии, на которых:22. A method for producing a fibrous structure, comprising the steps of: a. формируют нановолокна из оксида алюминия;a. form nanofibres of aluminum oxide; b. смешивают множества вторых волокон с указанными нановолокнами из оксида алюминия в присутствии указанных вторых волокон;b. mixing a plurality of second fibers with said alumina nanofibers in the presence of said second fibers; c. формируют множество асимметрических пор; иc. form many asymmetric pores; and d. добавляют множество частиц к указанной смеси.d. add a lot of particles to the specified mixture. 23. Способ по п.22, включающий стадию, на которой удаляют воду из указанной смеси с формированием нетканой структуры.23. The method according to item 22, comprising the step of removing water from said mixture to form a non-woven structure. 24. Способ применения волокнистой структуры, в котором указанная структура включает множество нановолокон из оксида алюминия, смешанных с множеством вторых волокон, создающих между ними асимметрические поры, и наличие множества частиц, расположенных на указанных нановолокнах из оксида алюминия, включающий стадии, на которых:24. A method of applying a fibrous structure in which said structure includes a plurality of alumina nanofibers mixed with a plurality of second fibers creating asymmetric pores between them, and the presence of a plurality of particles located on said alumina nanofibers, comprising the steps of: a. пропускают текучую среду через указанную волокнистую структуру; иa. passing fluid through said fibrous structure; and b. удаляют загрязняющее вещество из указанной текущей среды.b. remove the contaminant from the specified current environment. 25. Способ применения по п.24, в котором указанное загрязняющее вещество выбирают из группы, состоящей из галогена и, по меньшей мере, одного микробного патогена.25. The method of use according to paragraph 24, wherein said contaminant is selected from the group consisting of halogen and at least one microbial pathogen. 26. Структура для медицинского применения, включающая:26. Structure for medical use, including: a. нановолокна из оксида алюминия;a. alumina nanofibers; b. вторые волокна, смешанные с указанными нановолокнами из оксида алюминия, при этом указанные вторые волокна располагают так, чтобы создать асимметрические поры; иb. second fibers mixed with said alumina nanofibers, wherein said second fibers are positioned to create asymmetric pores; and c. множество частиц, нанесенных на указанные нановолокна из оксида алюминия.c. a plurality of particles supported on said alumina nanofibres. 27. Структура для медицинского применения по п.26, в которой указанные частицы выбирают из группы, состоящей из мелких частиц, ультрамелких частиц и наноразмерных частиц.27. The structure for medical use according to claim 26, wherein said particles are selected from the group consisting of fine particles, ultrafine particles, and nanoscale particles. 28. Структура для медицинского применения по п.26, в которой указанные частицы выбирают из группы, состоящей из сорбента, лекарственного средства и противомикробного средства.28. The structure for medical use according to claim 26, wherein said particles are selected from the group consisting of a sorbent, a drug, and an antimicrobial agent. 29. Структура для медицинского применения по п.26, в которой указанные частицы включают порошкообразный активированный уголь.29. The structure for medical use according to p, in which these particles include powdered activated carbon. 30. Структура для медицинского применения по п.26, являющаяся раневой повязкой. 30. The structure for medical use according to p, which is a wound dressing.
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