JP6203158B2 - 使用済み衛生用品からリサイクルパルプを製造する方法 - Google Patents

使用済み衛生用品からリサイクルパルプを製造する方法 Download PDF

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Publication number
JP6203158B2
JP6203158B2 JP2014211191A JP2014211191A JP6203158B2 JP 6203158 B2 JP6203158 B2 JP 6203158B2 JP 2014211191 A JP2014211191 A JP 2014211191A JP 2014211191 A JP2014211191 A JP 2014211191A JP 6203158 B2 JP6203158 B2 JP 6203158B2
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JP
Japan
Prior art keywords
aqueous solution
pulp
ozone
used sanitary
superabsorbent polymer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
JP2014211191A
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English (en)
Japanese (ja)
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JP2016079525A (ja
JP2016079525A5 (enExample
Inventor
孝義 小西
孝義 小西
利夫 平岡
利夫 平岡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unicharm Corp
Original Assignee
Unicharm Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP2014211191A priority Critical patent/JP6203158B2/ja
Application filed by Unicharm Corp filed Critical Unicharm Corp
Priority to CN201911099342.2A priority patent/CN110820401B/zh
Priority to US15/516,260 priority patent/US10773421B2/en
Priority to CN201580055809.7A priority patent/CN107075802B/zh
Priority to CN201911099677.4A priority patent/CN110747680A/zh
Priority to PCT/JP2015/077358 priority patent/WO2016059964A1/ja
Priority to CN201911099329.7A priority patent/CN110846919B/zh
Priority to EP15851249.1A priority patent/EP3208377B1/en
Publication of JP2016079525A publication Critical patent/JP2016079525A/ja
Publication of JP2016079525A5 publication Critical patent/JP2016079525A5/ja
Application granted granted Critical
Publication of JP6203158B2 publication Critical patent/JP6203158B2/ja
Priority to US16/999,844 priority patent/US11554520B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L11/00—Methods specially adapted for refuse
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
    • A61L2/183—Ozone dissolved in a liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/70—Chemical treatment, e.g. pH adjustment or oxidation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/16—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B2101/00—Type of solid waste
    • B09B2101/65—Medical waste
    • B09B2101/67—Diapers or nappies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0286—Cleaning means used for separation
    • B29B2017/0289—Washing the materials in liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/48—Wearing apparel
    • B29L2031/4871—Underwear
    • B29L2031/4878—Diapers, napkins
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Sustainable Development (AREA)
  • Toxicology (AREA)
  • Paper (AREA)
  • Processing Of Solid Wastes (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
JP2014211191A 2014-10-15 2014-10-15 使用済み衛生用品からリサイクルパルプを製造する方法 Active JP6203158B2 (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP2014211191A JP6203158B2 (ja) 2014-10-15 2014-10-15 使用済み衛生用品からリサイクルパルプを製造する方法
EP15851249.1A EP3208377B1 (en) 2014-10-15 2015-09-28 Method for manufacturing recycled pulp from used sanitary article
CN201580055809.7A CN107075802B (zh) 2014-10-15 2015-09-28 由使用过的卫生用品制造再生浆粕的方法
CN201911099677.4A CN110747680A (zh) 2014-10-15 2015-09-28 来自使用过的卫生用品的再生浆粕
PCT/JP2015/077358 WO2016059964A1 (ja) 2014-10-15 2015-09-28 使用済み衛生用品からリサイクルパルプを製造する方法
CN201911099329.7A CN110846919B (zh) 2014-10-15 2015-09-28 由使用过的卫生用品制造再生浆粕的方法
CN201911099342.2A CN110820401B (zh) 2014-10-15 2015-09-28 由使用过的卫生用品制造再生浆粕的方法
US15/516,260 US10773421B2 (en) 2014-10-15 2015-09-28 Method for manufacturing recycled pulp from used sanitary article
US16/999,844 US11554520B2 (en) 2014-10-15 2020-08-21 Recycled pulp, absorbent, non-woven fabric, and sanitary article

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014211191A JP6203158B2 (ja) 2014-10-15 2014-10-15 使用済み衛生用品からリサイクルパルプを製造する方法

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP2017068699A Division JP6218982B2 (ja) 2017-03-30 2017-03-30 リサイクルパルプ、吸収体、ティッシュ、不織布および衛生用品
JP2017141067A Division JP2017193819A (ja) 2017-07-20 2017-07-20 使用済み衛生用品からリサイクルパルプを製造する方法

Publications (3)

Publication Number Publication Date
JP2016079525A JP2016079525A (ja) 2016-05-16
JP2016079525A5 JP2016079525A5 (enExample) 2017-07-13
JP6203158B2 true JP6203158B2 (ja) 2017-09-27

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JP2014211191A Active JP6203158B2 (ja) 2014-10-15 2014-10-15 使用済み衛生用品からリサイクルパルプを製造する方法

Country Status (5)

Country Link
US (2) US10773421B2 (enExample)
EP (1) EP3208377B1 (enExample)
JP (1) JP6203158B2 (enExample)
CN (4) CN110846919B (enExample)
WO (1) WO2016059964A1 (enExample)

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JP6632494B2 (ja) * 2016-08-05 2020-01-22 ユニ・チャーム株式会社 使用済み吸収性物品からパルプ繊維を回収する方法
JP6865619B2 (ja) 2017-03-31 2021-04-28 ユニ・チャーム株式会社 リサイクル製品を製造する方法、リサイクル樹脂ペレット、及びリサイクルフィルム
JP6465917B2 (ja) * 2017-03-31 2019-02-06 ユニ・チャーム株式会社 使用済み吸収性物品から構成部材を回収する方法
JP6669694B2 (ja) * 2017-06-28 2020-03-18 ユニ・チャーム株式会社 セルロースナノファイバー化用パルプ繊維を製造する方法、及びセルロースナノファイバー化用パルプ繊維
EP3626881A4 (en) * 2017-06-28 2020-05-27 Unicharm Corporation PROCESS FOR PRODUCING RECYCLED PULP FIBERS AND RECYCLED PULP FIBERS
JP6438077B1 (ja) 2017-06-28 2018-12-12 ユニ・チャーム株式会社 糖化用パルプ繊維を製造する方法、及び糖化用パルプ繊維水溶液
JP6667575B2 (ja) * 2017-11-01 2020-03-18 ユニ・チャーム株式会社 有機酸の回収方法、及びリサイクルパルプの製造方法
JP6762287B2 (ja) * 2017-11-01 2020-09-30 ユニ・チャーム株式会社 使用済み吸収性物品からパルプ繊維を回収する方法及びシステム
CN115722520A (zh) * 2017-11-01 2023-03-03 尤妮佳股份有限公司 自使用过的吸收性物品回收浆粕纤维的方法和系统
JP7168350B2 (ja) * 2017-11-01 2022-11-09 ユニ・チャーム株式会社 使用済み吸収性物品からパルプ繊維を回収する方法及びシステム
JP6843030B2 (ja) * 2017-11-01 2021-03-17 ユニ・チャーム株式会社 使用済み吸収性物品からパルプ繊維及び高吸水性ポリマーを回収する方法及びシステム
EP3712611B1 (en) * 2017-12-20 2024-10-30 Unicharm Corporation Method for manufacturing recycled pulp fiber
JP7158242B2 (ja) * 2018-02-01 2022-10-21 株式会社日本触媒 吸水性ポリマーの分解方法、リサイクルパルプの製造方法、および、吸水性ポリマー分解剤キット
JP6671626B2 (ja) * 2018-03-30 2020-03-25 株式会社サムズ 可燃ごみの処理システム
JP6643455B1 (ja) * 2018-11-09 2020-02-12 ユニ・チャーム株式会社 セルロースナノファイバー化用パルプ繊維を製造する方法
CN112955604A (zh) * 2018-11-09 2021-06-11 尤妮佳股份有限公司 制造再循环浆粕纤维的方法、再循环浆粕纤维、以及臭氧的用途
JP7228992B2 (ja) * 2018-11-13 2023-02-27 ユニ・チャーム株式会社 使用済み吸収性物品から構成部材を回収する方法
CN113227490B (zh) * 2018-12-31 2023-10-27 尤妮佳股份有限公司 制造浆粕纤维原料的方法、以及作为纤维素原料的浆粕纤维原料
JP7113785B2 (ja) * 2019-06-07 2022-08-05 ユニ・チャーム株式会社 針葉樹由来の紙用パルプ繊維の製造方法及び針葉樹由来の紙用パルプ繊維
JP7234054B2 (ja) * 2019-06-28 2023-03-07 花王株式会社 リサイクル成形体及びリサイクル成形体の製造方法
JP6836813B2 (ja) * 2020-02-12 2021-03-03 株式会社サムズ 可燃ごみの処理システム
CN111675815A (zh) * 2020-06-29 2020-09-18 中国科学院长春应用化学研究所 一种抗菌高吸水树脂的制备方法
JP7355714B2 (ja) * 2020-07-20 2023-10-03 ユニ・チャーム株式会社 使用済みの衛生用品から、清浄化されたリサイクルパルプ繊維を製造する方法
JP7504691B2 (ja) * 2020-07-22 2024-06-24 花王株式会社 炭化物の製造方法
CN113881177B (zh) * 2021-10-15 2023-07-14 威高集团有限公司 一种抗菌吸水复合材料、其制备方法和装置
WO2023195484A1 (ja) 2022-04-06 2023-10-12 旭化成株式会社 リサイクル容易な吸収性物品、並びに再生原料、繊維及び繊維製品の製造方法
JP2024062047A (ja) * 2022-10-24 2024-05-09 ユニ・チャーム株式会社 使用済み衛生用品を構成する、高吸水性ポリマーを含む構成材料から高吸水性ポリマーを回収する方法、及び、回収された高吸水性ポリマーを用いてリサイクル高吸水性ポリマーを製造する方法

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JP2016079525A (ja) 2016-05-16
US10773421B2 (en) 2020-09-15
CN110846919B (zh) 2022-06-10
CN110846919A (zh) 2020-02-28
CN110820401A (zh) 2020-02-21
CN107075802A (zh) 2017-08-18
US20170305037A1 (en) 2017-10-26
WO2016059964A1 (ja) 2016-04-21
CN107075802B (zh) 2019-12-03
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EP3208377A1 (en) 2017-08-23
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