SG86468A1 - Production process of high-purity gypsum - Google Patents

Production process of high-purity gypsum

Info

Publication number
SG86468A1
SG86468A1 SG200102645A SG200102645A SG86468A1 SG 86468 A1 SG86468 A1 SG 86468A1 SG 200102645 A SG200102645 A SG 200102645A SG 200102645 A SG200102645 A SG 200102645A SG 86468 A1 SG86468 A1 SG 86468A1
Authority
SG
Singapore
Prior art keywords
production process
purity gypsum
gypsum
purity
production
Prior art date
Application number
SG200102645A
Other languages
English (en)
Inventor
Mochiyama Tokumi
Yamaguchi Masato
Original Assignee
Yoshino Gypsum Co
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 filed Critical Yoshino Gypsum Co
Publication of SG86468A1 publication Critical patent/SG86468A1/en

Links

Classifications

    • 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
    • C01F11/468—Purification of calcium sulfates
    • 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
    • C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
    • C04B11/266—Chemical 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
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/40—Particle morphology extending in three dimensions prism-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
    • 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
    • C01P2006/10—Solid 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
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
    • 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

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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
SG200102645A 2000-05-12 2001-05-08 Production process of high-purity gypsum SG86468A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000140624 2000-05-12

Publications (1)

Publication Number Publication Date
SG86468A1 true SG86468A1 (en) 2002-02-19

Family

ID=18647880

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200102645A SG86468A1 (en) 2000-05-12 2001-05-08 Production process of high-purity gypsum

Country Status (5)

Country Link
KR (1) KR20010104238A (zh)
CN (1) CN1323742A (zh)
AU (1) AU4381501A (zh)
SG (1) SG86468A1 (zh)
WO (1) WO2001085412A2 (zh)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100863933B1 (ko) * 2002-04-08 2008-10-16 주식회사 코오롱 황산칼슘염 이수화물 및 그의 제조방법
EP2198835A4 (en) * 2007-09-19 2011-06-22 Ohken Co Ltd POWDERY COSMETICS AND METHOD FOR PRODUCING FLAKED CALCIUM SULFATE DIHYDRATE FOR USE IN A COSMETICS
KR100920119B1 (ko) * 2007-09-28 2009-10-01 한국전력공사 황산과 석고결정핵을 이용한 배연탈황석고의 백색도향상방법
ES2665753T3 (es) * 2008-07-31 2018-04-27 Yoshino Gypsum Co., Ltd. Proceso para la modificación continua de yeso dihidratado
CN101870494A (zh) * 2010-06-12 2010-10-27 上海大学 重结晶提纯脱硫石膏的方法
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
JP2014128744A (ja) * 2012-12-27 2014-07-10 Mitsuboshi Mining Co Ltd 水洗スラッジの処理方法
CN103074667B (zh) * 2013-01-30 2015-06-24 湘潭大学 一种重结晶制备硫酸钙晶须的方法
CN104529206B (zh) * 2014-12-28 2016-06-22 北京工业大学 一种基于脱硫石膏制备自组装片状无水石膏的方法
JP6802168B2 (ja) * 2015-01-14 2020-12-16 アイメリーズ ユーエスエー，インコーポレーテッド 天然炭酸カルシウムを沈降炭酸カルシウムへ変換する方法プロセス
CN107572571B (zh) * 2017-10-19 2019-04-09 湖北民族学院 高强度片状α-半水石膏的制备方法
CN110629279B (zh) * 2018-06-22 2020-12-22 北新集团建材股份有限公司 一种自组装、片层状无水石膏单晶材料及其制备方法
CN113603128A (zh) * 2021-09-08 2021-11-05 西南科技大学 工业副产石膏制备多种硫酸钙粉体的方法以及硫酸钙粉体
CN113912102B (zh) * 2021-09-29 2024-07-02 福建理工大学 一种钛石膏高效提纯装置
KR102530614B1 (ko) * 2022-09-30 2023-05-19 에코바이오홀딩스 주식회사 바이오황과 산화반응을 이용한 석고 제조방법 및 그 이용

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB344135A (en) * 1929-01-14 1931-03-05 Odda Smelteverk As Improvements in and relating to the treatment of phosphate rock and the like
JPS5175696A (ja) * 1974-12-27 1976-06-30 Onoda Chem Ind Co Ltd Rinkosekinobunkaiho
JPS5175697A (ja) * 1974-12-27 1976-06-30 Onoda Chem Ind Co Ltd Rinkosekinobunkaihoho
JPH0814051A (ja) * 1994-06-24 1996-01-16 Kubota Corp 頭上弁式エンジンの燃焼室
JPH0867516A (ja) * 1994-08-31 1996-03-12 Yasuo Arai 石膏の製造方法
JPH10310421A (ja) * 1997-05-01 1998-11-24 Nittetsu Mining Co Ltd 硝子洗浄に使用した希薄塩酸廃液の処理方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02111607A (ja) * 1988-10-21 1990-04-24 Mitsubishi Heavy Ind Ltd 鉱物の処理方法
JP2614602B2 (ja) * 1994-06-09 1997-05-28 小坂製錬株式会社 硫酸液からの板状二水石膏の連続製造法
JP2986736B2 (ja) * 1996-07-25 1999-12-06 飯島工業株式会社 飛灰の処理方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB344135A (en) * 1929-01-14 1931-03-05 Odda Smelteverk As Improvements in and relating to the treatment of phosphate rock and the like
JPS5175696A (ja) * 1974-12-27 1976-06-30 Onoda Chem Ind Co Ltd Rinkosekinobunkaiho
JPS5175697A (ja) * 1974-12-27 1976-06-30 Onoda Chem Ind Co Ltd Rinkosekinobunkaihoho
JPH0814051A (ja) * 1994-06-24 1996-01-16 Kubota Corp 頭上弁式エンジンの燃焼室
JPH0867516A (ja) * 1994-08-31 1996-03-12 Yasuo Arai 石膏の製造方法
JPH10310421A (ja) * 1997-05-01 1998-11-24 Nittetsu Mining Co Ltd 硝子洗浄に使用した希薄塩酸廃液の処理方法

Also Published As

Publication number Publication date
KR20010104238A (ko) 2001-11-24
AU4381501A (en) 2001-11-15
CN1323742A (zh) 2001-11-28
WO2001085412A2 (en) 2001-11-15
WO2001085412A3 (en) 2002-08-22

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