WO2010013807A1 - 二水石膏の連続式改質方法及び該方法で改質された改質二水石膏 - Google Patents

二水石膏の連続式改質方法及び該方法で改質された改質二水石膏 Download PDF

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Publication number
WO2010013807A1
WO2010013807A1 PCT/JP2009/063666 JP2009063666W WO2010013807A1 WO 2010013807 A1 WO2010013807 A1 WO 2010013807A1 JP 2009063666 W JP2009063666 W JP 2009063666W WO 2010013807 A1 WO2010013807 A1 WO 2010013807A1
Authority
WO
WIPO (PCT)
Prior art keywords
dihydrate gypsum
gypsum
crystallization
hemihydrate
modified
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.)
Ceased
Application number
PCT/JP2009/063666
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
横山　至
浩志 勝本
保雄 川村
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.)
Yoshino Gypsum Co Ltd
Original Assignee
Yoshino Gypsum Co Ltd
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 RU2011102297/05A priority Critical patent/RU2472706C2/ru
Priority to BRPI0916593A priority patent/BRPI0916593B1/pt
Priority to JP2010522761A priority patent/JP5458013B2/ja
Priority to AU2009277498A priority patent/AU2009277498B2/en
Priority to EP09803045.5A priority patent/EP2305605B1/en
Priority to KR1020137002867A priority patent/KR101346493B1/ko
Priority to CN200980129561.9A priority patent/CN102123950B/zh
Priority to KR1020117004554A priority patent/KR101286336B1/ko
Priority to US13/055,891 priority patent/US8529863B2/en
Priority to CA2731836A priority patent/CA2731836C/en
Application filed by Yoshino Gypsum Co Ltd filed Critical Yoshino Gypsum Co Ltd
Priority to ES09803045.5T priority patent/ES2665753T3/es
Priority to MX2011001116A priority patent/MX2011001116A/es
Publication of WO2010013807A1 publication Critical patent/WO2010013807A1/ja
Anticipated expiration legal-status Critical
Priority to US13/962,601 priority patent/US9458025B2/en
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B11/00—Calcium sulfate cements
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C01F11/466—Conversion of one form of calcium sulfate to another
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B11/00—Calcium sulfate cements
    • C04B11/007—After-treatment of the dehydration products, e.g. aging, stabilisation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/11—Powder tap density
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Processing Of Solid Wastes (AREA)
  • Degasification And Air Bubble Elimination (AREA)
PCT/JP2009/063666 2008-07-31 2009-07-31 二水石膏の連続式改質方法及び該方法で改質された改質二水石膏 Ceased WO2010013807A1 (ja)

Priority Applications (13)

Application Number Priority Date Filing Date Title
US13/055,891 US8529863B2 (en) 2008-07-31 2009-07-31 Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process
JP2010522761A JP5458013B2 (ja) 2008-07-31 2009-07-31 二水石膏の連続式改質方法
AU2009277498A AU2009277498B2 (en) 2008-07-31 2009-07-31 Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process
EP09803045.5A EP2305605B1 (en) 2008-07-31 2009-07-31 Process for continuous modification of dihydrate gypsum
KR1020137002867A KR101346493B1 (ko) 2008-07-31 2009-07-31 이수석고의 개질방법
CN200980129561.9A CN102123950B (zh) 2008-07-31 2009-07-31 二水石膏的连续式改性方法及用该方法改性了的改性二水石膏
KR1020117004554A KR101286336B1 (ko) 2008-07-31 2009-07-31 이수석고의 연속식 개질방법 및 상기 방법으로 개질된 개질 이수석고
RU2011102297/05A RU2472706C2 (ru) 2008-07-31 2009-07-31 Способ непрерывной модификации дигидрата гипса и модифицированный дигидрат гипса, полученный этим способом
BRPI0916593A BRPI0916593B1 (pt) 2008-07-31 2009-07-31 processo para modificação contínua de gesso diidratado
CA2731836A CA2731836C (en) 2008-07-31 2009-07-31 Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process
ES09803045.5T ES2665753T3 (es) 2008-07-31 2009-07-31 Proceso para la modificación continua de yeso dihidratado
MX2011001116A MX2011001116A (es) 2008-07-31 2009-07-31 Proceso para la modificacion continua de yeso dehidratado y yeso dihidratado modificado obtenido mediante el proceso.
US13/962,601 US9458025B2 (en) 2008-07-31 2013-08-08 Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008197920 2008-07-31
JP2008-197920 2008-07-31

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US13/055,891 A-371-Of-International US8529863B2 (en) 2008-07-31 2009-07-31 Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process
US13/962,601 Continuation US9458025B2 (en) 2008-07-31 2013-08-08 Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process

Publications (1)

Publication Number Publication Date
WO2010013807A1 true WO2010013807A1 (ja) 2010-02-04

Family

ID=41610501

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/063666 Ceased WO2010013807A1 (ja) 2008-07-31 2009-07-31 二水石膏の連続式改質方法及び該方法で改質された改質二水石膏

Country Status (12)

Country Link
US (2) US8529863B2 (enExample)
EP (2) EP2305605B1 (enExample)
JP (7) JP5458013B2 (enExample)
KR (2) KR101346493B1 (enExample)
CN (3) CN102123950B (enExample)
AU (1) AU2009277498B2 (enExample)
BR (1) BRPI0916593B1 (enExample)
CA (2) CA2852385C (enExample)
ES (2) ES2665753T3 (enExample)
MX (1) MX2011001116A (enExample)
RU (1) RU2472706C2 (enExample)
WO (1) WO2010013807A1 (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014152070A (ja) * 2013-02-07 2014-08-25 Tokuyama Corp 廃石膏ボードの利用方法
JP2014231447A (ja) * 2013-05-29 2014-12-11 学校法人日本大学 石膏ボード廃材中の石膏を二水石膏として再生する方法
JP2017095287A (ja) * 2015-11-18 2017-06-01 株式会社トクヤマ フッ素溶出量を低減した二水石膏の製造方法
JP2020065965A (ja) * 2018-10-23 2020-04-30 株式会社トクヤマ 廃石膏ボードからの二水石膏の回収方法
JP2020065975A (ja) * 2018-10-25 2020-04-30 株式会社トクヤマ 廃石膏ボードからの二水石膏の回収方法
JP2020142962A (ja) * 2019-03-07 2020-09-10 株式会社トクヤマ 二水石膏の製造方法

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JP3460924B2 (ja) 1986-08-21 2003-10-27 株式会社トプコン 非接触式眼圧計
CN102123950B (zh) * 2008-07-31 2017-03-29 吉野石膏株式会社 二水石膏的连续式改性方法及用该方法改性了的改性二水石膏
JP2012229152A (ja) * 2011-04-13 2012-11-22 Tokuyama Corp 石膏ボード廃材からの石膏成形体用原料の石膏粉末の製造方法
CN102659375A (zh) * 2012-04-23 2012-09-12 湖南顶春新型建材科技有限公司 一种超强牙科模型石膏粉的生产方法
WO2014141926A1 (ja) * 2013-03-13 2014-09-18 株式会社トクヤマ 石膏スラリーの連続的な製造方法
US9896366B2 (en) * 2014-02-26 2018-02-20 Ecolab Usa Inc. Alternative additives to enhance slurry dewatering
US9868647B2 (en) 2014-04-02 2018-01-16 Technion Research & Development Foundation Ltd. System and methods for removing impurities from phosphogypsum and manufacturing gypsum binders and products
JP2016117617A (ja) * 2014-12-22 2016-06-30 株式会社トクヤマ 二水石膏製造装置
CN106044826A (zh) * 2016-05-26 2016-10-26 东南大学 一种用于生产α型高强石膏的转晶剂
US10023496B1 (en) 2017-06-16 2018-07-17 United States Gypsum Company No fiber calcination of gypsum for gypsum fiberboard
CN107324677A (zh) * 2017-08-25 2017-11-07 四川屹科环保科技有限公司 高强半水石膏粉常压半干法制备方法、制备装置
CN109292809A (zh) * 2018-09-30 2019-02-01 攀钢集团攀枝花钢铁研究院有限公司 钛石膏的提纯方法、石膏和石膏的应用
CN110238158A (zh) * 2019-05-28 2019-09-17 罗守训 垃圾处理系统
JP7303729B2 (ja) * 2019-11-14 2023-07-05 株式会社トクヤマ 廃石膏ボードの処理方法
CN111320446B (zh) * 2020-02-29 2022-10-21 湖北省建筑工程质量监督检验测试中心 一种高强度自防水磷石膏路基材料及其制备方法
CN111569526B (zh) * 2020-05-25 2022-03-11 河北化工医药职业技术学院 一种二水石膏生产线的自动升降过滤产物系统
EP3984977B1 (de) * 2020-10-19 2022-11-09 Lindner NORIT GmbH & Co. KG Verfahren zum recycling von gipskartonmaterial
EP4105178A1 (en) * 2021-06-16 2022-12-21 Saint-Gobain Placo A process for the continuous preparation of alpha-calcium sulphate hemihydrate and an apparatus
CN113800868B (zh) * 2021-08-26 2023-08-15 淮南北新建材有限公司 一种优化纸面石膏板性能的方法
JP7713341B2 (ja) * 2021-09-02 2025-07-25 株式会社トクヤマ 石膏の晶析方法
JP7790898B2 (ja) * 2021-09-02 2025-12-23 株式会社トクヤマ 廃石膏ボードからの石膏の回収方法
CN115889409A (zh) * 2022-11-11 2023-04-04 茌平信源环保建材有限公司 一种实现在线废石膏板回收利用的系统
CN117843263B (zh) * 2024-01-15 2024-07-05 泰山石膏（湖北）有限公司 基于复合碳材同步改性的阵列激光烧蚀磷石膏预处理方法
CN119059750B (zh) * 2024-11-06 2025-03-21 一夫科技股份有限公司 一种无水盐石膏快速水化的工艺
CN119303931B (zh) * 2024-12-17 2025-03-14 台州旭日环境科技有限公司 一种固体废弃物用于再生石膏生产装置及生产方法

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JPH07330329A (ja) * 1994-06-09 1995-12-19 Kosaka Seiren Kk 硫酸液からの板状二水石膏の連続製造法
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014152070A (ja) * 2013-02-07 2014-08-25 Tokuyama Corp 廃石膏ボードの利用方法
JP2014231447A (ja) * 2013-05-29 2014-12-11 学校法人日本大学 石膏ボード廃材中の石膏を二水石膏として再生する方法
JP2017095287A (ja) * 2015-11-18 2017-06-01 株式会社トクヤマ フッ素溶出量を低減した二水石膏の製造方法
JP2020065965A (ja) * 2018-10-23 2020-04-30 株式会社トクヤマ 廃石膏ボードからの二水石膏の回収方法
JP7121628B2 (ja) 2018-10-23 2022-08-18 株式会社トクヤマ 廃石膏ボードからの二水石膏の回収方法
JP2020065975A (ja) * 2018-10-25 2020-04-30 株式会社トクヤマ 廃石膏ボードからの二水石膏の回収方法
JP7078512B2 (ja) 2018-10-25 2022-05-31 株式会社トクヤマ 廃石膏ボードからの二水石膏の回収方法
JP2020142962A (ja) * 2019-03-07 2020-09-10 株式会社トクヤマ 二水石膏の製造方法
JP7284596B2 (ja) 2019-03-07 2023-05-31 株式会社トクヤマ 二水石膏の製造方法

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