PT4059904T - Um processo para a preparação contínua de hemihidratado de sulfato de alfa-cálcio e de um gesso particulado - Google Patents

Um processo para a preparação contínua de hemihidratado de sulfato de alfa-cálcio e de um gesso particulado

Info

Publication number
PT4059904T
PT4059904T PT213053440T PT21305344T PT4059904T PT 4059904 T PT4059904 T PT 4059904T PT 213053440 T PT213053440 T PT 213053440T PT 21305344 T PT21305344 T PT 21305344T PT 4059904 T PT4059904 T PT 4059904T
Authority
PT
Portugal
Prior art keywords
alpha
calcium sulfate
sulfate hemihydrate
continuous preparation
particulate gypsum
Prior art date
Application number
PT213053440T
Other languages
English (en)
Original Assignee
Saint Gobain Placo
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=75302487&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PT4059904(T) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Saint Gobain Placo filed Critical Saint Gobain Placo
Publication of PT4059904T publication Critical patent/PT4059904T/pt

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
    • C04B11/06—Calcium sulfate cements starting from anhydrite
    • 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
    • C04B11/028—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained
    • C04B11/0281—Kettles; Marmites; Autoclaves
    • C04B11/0282—Autoclaves, e.g. using chariots
    • 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
    • C04B11/002—Mixtures of different CaSO4-modifications, e.g. plaster of Paris and anhydrite, used as cements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
PT213053440T 2021-03-19 2021-03-19 Um processo para a preparação contínua de hemihidratado de sulfato de alfa-cálcio e de um gesso particulado PT4059904T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21305344.0A EP4059904B1 (en) 2021-03-19 2021-03-19 A process for the continuous preparation of alpha-calcium sulphate hemihydrate

Publications (1)

Publication Number Publication Date
PT4059904T true PT4059904T (pt) 2023-09-13

Family

ID=75302487

Family Applications (1)

Application Number Title Priority Date Filing Date
PT213053440T PT4059904T (pt) 2021-03-19 2021-03-19 Um processo para a preparação contínua de hemihidratado de sulfato de alfa-cálcio e de um gesso particulado

Country Status (15)

Country Link
US (1) US20240116810A1 (pt)
EP (2) EP4059904B1 (pt)
JP (1) JP2024510707A (pt)
CN (1) CN116917248B (pt)
BR (1) BR112023015397A2 (pt)
CA (1) CA3207480A1 (pt)
CL (1) CL2023002774A1 (pt)
DK (1) DK4059904T3 (pt)
ES (1) ES2961610T3 (pt)
FI (1) FI4059904T3 (pt)
HU (1) HUE063727T2 (pt)
MX (1) MX2023008778A (pt)
PL (1) PL4059904T3 (pt)
PT (1) PT4059904T (pt)
WO (1) WO2022194499A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3166631A1 (fr) 2024-09-20 2026-03-27 Saint-Gobain Placo Procédé de préparation d’hémihydrate alpha de sulfate de calcium.

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55162426A (en) * 1979-06-05 1980-12-17 Kawasaki Heavy Ind Ltd Manufacture of alpha-type hemihydrate gypsum
WO2001079116A1 (en) 2000-04-14 2001-10-25 The Research Foundation Of State University Of New York Alpha calcium sulfate hemihydrate and a method of making alpha calcium sulfate hemihydrate
JP4371801B2 (ja) 2003-03-27 2009-11-25 吉野石膏株式会社 石膏ボード廃材からα型半水石膏を製造する方法および石膏ボード用原紙の回収方法
CN101058488A (zh) 2007-04-10 2007-10-24 山东金信新型建材有限公司 液相法生产α石膏粉工艺
US20090208392A1 (en) * 2008-02-14 2009-08-20 Georgia-Pacific Gypsum, Llc Process for producing alpha-hemihydrate gypsum
EP2418184B2 (de) 2010-08-12 2021-02-17 Lindner GFT GmbH Verfahren zur Herstellung von alpha-Calciumsulfat-Halbhydrat
US20120090508A1 (en) 2010-10-19 2012-04-19 United States Gypsum Company Method for producing wet gypsum accelerator
GB2497574B (en) * 2011-12-15 2019-10-02 Saint Gobain Placo Sas A method of forming a gypsum based product
CN102786241A (zh) * 2012-04-24 2012-11-21 河北钢铁集团矿业有限公司 用于全尾砂胶结充填的凝胶材料
CN103723986A (zh) * 2013-12-27 2014-04-16 金川集团股份有限公司 一种基于磷石膏的棒磨砂充填料早强胶凝材料
JP7134668B2 (ja) * 2018-03-28 2022-09-12 Ｕｂｅ三菱セメント株式会社 セメント系固化材組成物
CN108840646A (zh) 2018-08-14 2018-11-20 广东雅穗集成家居科技有限公司 一种无机凝胶材料及其制备方法与用途
CN112408936B (zh) * 2020-11-04 2022-06-07 泰山石膏有限公司 一种提高石膏基材料力学性能的方法

Also Published As

Publication number Publication date
EP4059904A1 (en) 2022-09-21
WO2022194499A1 (en) 2022-09-22
US20240116810A1 (en) 2024-04-11
EP4059904B1 (en) 2023-09-06
EP4234510A3 (en) 2023-09-27
CA3207480A1 (en) 2022-09-22
EP4234510A2 (en) 2023-08-30
FI4059904T3 (fi) 2023-10-03
DK4059904T3 (en) 2023-10-09
ES2961610T3 (es) 2024-03-12
MX2023008778A (es) 2023-08-28
BR112023015397A2 (pt) 2023-09-26
CN116917248B (zh) 2025-10-17
JP2024510707A (ja) 2024-03-11
PL4059904T3 (pl) 2024-02-19
CN116917248A (zh) 2023-10-20
CL2023002774A1 (es) 2024-04-19
HUE063727T2 (hu) 2024-01-28

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