AU2009277498B2 - Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process - Google Patents

Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process

Info

Publication number
AU2009277498B2
AU2009277498B2 AU2009277498A AU2009277498A AU2009277498B2 AU 2009277498 B2 AU2009277498 B2 AU 2009277498B2 AU 2009277498 A AU2009277498 A AU 2009277498A AU 2009277498 A AU2009277498 A AU 2009277498A AU 2009277498 B2 AU2009277498 B2 AU 2009277498B2
Authority
AU
Australia
Prior art keywords
gypsum
dihydrate gypsum
hemihydrate
particle size
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.)
Active
Application number
AU2009277498A
Other languages
English (en)
Other versions
AU2009277498A1 (en
Inventor
Kouji Katsumoto
Yasuo Kawamura
Itaru Yokoyama
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
Application filed by Yoshino Gypsum Co Ltd filed Critical Yoshino Gypsum Co Ltd
Publication of AU2009277498A1 publication Critical patent/AU2009277498A1/en
Application granted granted Critical
Publication of AU2009277498B2 publication Critical patent/AU2009277498B2/en
Priority to AU2012241005A priority Critical patent/AU2012241005B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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)
AU2009277498A 2008-07-31 2009-07-31 Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process Active AU2009277498B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2012241005A AU2012241005B2 (en) 2008-07-31 2012-10-11 Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008-197920 2008-07-31
JP2008197920 2008-07-31
PCT/JP2009/063666 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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU2012241005A Division AU2012241005B2 (en) 2008-07-31 2012-10-11 Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process

Publications (2)

Publication Number Publication Date
AU2009277498A1 AU2009277498A1 (en) 2010-02-04
AU2009277498B2 true AU2009277498B2 (en) 2012-07-12

Family

ID=41610501

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2009277498A Active AU2009277498B2 (en) 2008-07-31 2009-07-31 Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process

Country Status (12)

Country Link
US (2) US8529863B2 (enExample)
EP (2) EP2305605B1 (enExample)
JP (7) JP5458013B2 (enExample)
KR (2) KR101286336B1 (enExample)
CN (3) CN102123950B (enExample)
AU (1) AU2009277498B2 (enExample)
BR (1) BRPI0916593B1 (enExample)
CA (2) CA2852385C (enExample)
ES (2) ES2661439T3 (enExample)
MX (1) MX2011001116A (enExample)
RU (1) RU2472706C2 (enExample)
WO (1) WO2010013807A1 (enExample)

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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
KR101286336B1 (ko) * 2008-07-31 2013-07-15 요시노 셋고 가부시키가이샤 이수석고의 연속식 개질방법 및 상기 방법으로 개질된 개질 이수석고
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
JP6088277B2 (ja) * 2013-02-07 2017-03-01 株式会社トクヤマ 廃石膏ボードの利用方法
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
JP6195238B2 (ja) * 2013-05-29 2017-09-13 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
US9896366B2 (en) 2014-02-26 2018-02-20 Ecolab Usa Inc. Alternative additives to enhance slurry dewatering
CN106457235B (zh) 2014-04-02 2019-08-13 范德堡大学 用于从磷石膏移除杂质和制造石膏粘合剂和产品的系统和方法
JP2016117617A (ja) * 2014-12-22 2016-06-30 株式会社トクヤマ 二水石膏製造装置
JP6559551B2 (ja) * 2015-11-18 2019-08-14 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
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
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
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
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
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
WO2023032233A1 (ja) * 2021-09-02 2023-03-09 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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Also Published As

Publication number Publication date
CN102123950A (zh) 2011-07-13
MX2011001116A (es) 2011-05-23
US20110135930A1 (en) 2011-06-09
BRPI0916593B1 (pt) 2019-10-22
JP5193386B2 (ja) 2013-05-08
CN102123950B (zh) 2017-03-29
JP6232123B2 (ja) 2017-11-15
KR101346493B1 (ko) 2013-12-31
JP6391790B2 (ja) 2018-09-19
KR20130027046A (ko) 2013-03-14
JP6072879B2 (ja) 2017-02-01
CN104211102B (zh) 2016-07-06
ES2661439T3 (es) 2018-04-02
JP2015051920A (ja) 2015-03-19
EP2891628B1 (en) 2018-02-21
US8529863B2 (en) 2013-09-10
JP2017088492A (ja) 2017-05-25
US9458025B2 (en) 2016-10-04
CN104261453B (zh) 2017-06-30
EP2305605A4 (en) 2014-07-23
KR101286336B1 (ko) 2013-07-15
JP2018039727A (ja) 2018-03-15
CN104211102A (zh) 2014-12-17
WO2010013807A1 (ja) 2010-02-04
JP2016033110A (ja) 2016-03-10
CA2731836C (en) 2014-09-23
BRPI0916593A2 (pt) 2015-11-10
CA2731836A1 (en) 2010-02-04
JP2014088312A (ja) 2014-05-15
JPWO2010013807A1 (ja) 2012-01-12
CA2852385A1 (en) 2010-02-04
RU2472706C2 (ru) 2013-01-20
CA2852385C (en) 2017-07-11
EP2305605A1 (en) 2011-04-06
US20140030173A1 (en) 2014-01-30
KR20110048534A (ko) 2011-05-11
CN104261453A (zh) 2015-01-07
JP5689518B2 (ja) 2015-03-25
JP2012250913A (ja) 2012-12-20
AU2009277498A1 (en) 2010-02-04
RU2011102297A (ru) 2012-09-10
EP2891628A1 (en) 2015-07-08
JP5834128B2 (ja) 2015-12-16
EP2305605B1 (en) 2018-03-28
ES2665753T3 (es) 2018-04-27
JP5458013B2 (ja) 2014-04-02

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