[go: up one dir, main page]

NO20030275D0 - Omdannelse av fluorgips til kalsiumsulfat - Google Patents

Omdannelse av fluorgips til kalsiumsulfat

Info

Publication number
NO20030275D0
NO20030275D0 NO20030275A NO20030275A NO20030275D0 NO 20030275 D0 NO20030275 D0 NO 20030275D0 NO 20030275 A NO20030275 A NO 20030275A NO 20030275 A NO20030275 A NO 20030275A NO 20030275 D0 NO20030275 D0 NO 20030275D0
Authority
NO
Norway
Prior art keywords
conversion
calcium sulfate
fluorine gypsum
gypsum
fluorine
Prior art date
Application number
NO20030275A
Other languages
English (en)
Other versions
NO20030275L (no
Inventor
Dennis J Eisele
Original Assignee
Alcoa Corporate Ct
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 Alcoa Corporate Ct filed Critical Alcoa Corporate Ct
Publication of NO20030275D0 publication Critical patent/NO20030275D0/no
Publication of NO20030275L publication Critical patent/NO20030275L/no

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
    • 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
    • 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
    • C04B11/262—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke waste gypsum other than phosphogypsum
    • 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
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators or shrinkage compensating agents
    • C04B22/08—Acids or salts thereof
    • C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
    • C04B22/142—Sulfates
    • C04B22/143—Calcium-sulfate
    • C04B22/146—Calcium-sulfate other waste Ca-sulfate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
NO20030275A 2002-03-18 2003-01-20 Omdannelse av fluorgips til kalsiumsulfat NO20030275L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36549902P 2002-03-18 2002-03-18
US10/164,466 US6517790B1 (en) 2002-03-18 2002-06-06 Converting fluorgyp to calcium sulfate

Publications (2)

Publication Number Publication Date
NO20030275D0 true NO20030275D0 (no) 2003-01-20
NO20030275L NO20030275L (no) 2003-09-19

Family

ID=26860586

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20030275A NO20030275L (no) 2002-03-18 2003-01-20 Omdannelse av fluorgips til kalsiumsulfat

Country Status (5)

Country Link
US (1) US6517790B1 (no)
CA (1) CA2415644A1 (no)
IT (1) ITRM20030020A1 (no)
MX (1) MXPA03000517A (no)
NO (1) NO20030275L (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060093548A1 (en) * 2004-11-03 2006-05-04 Alcoa World Alumina Llc Using an air jacket to capture the heat of reaction for waste heat recycle in the production of aluminum fluoride
RU2380177C1 (ru) * 2008-09-22 2010-01-27 Закрытое акционерное общество "Завод минеральных удобрений Кирово-Чепецкого химического комбината" (ЗАО "ЗМУ КЧХК") Способ переработки фторгипса
FI20105500L (fi) * 2010-05-10 2011-11-11 Kemira Oyj Menetelmä kipsin valmistamiseksi
CN104310928B (zh) * 2014-08-10 2016-05-04 安徽锦洋氟化学有限公司 一种复合改性剂改性氟石膏的方法
US10865147B2 (en) 2017-09-12 2020-12-15 Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College High strength concrete-like fluorogypsum-based blends and production methods

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4174974A (en) 1978-04-14 1979-11-20 Standard Oil Company (Indiana) Process for converting coal ash slag into portland cement
US4402922A (en) * 1981-12-14 1983-09-06 United States Gypsum Company Process for rapid conversion of fluoroanhydrite to gypsum
US4451295A (en) 1982-09-29 1984-05-29 Standard Concrete Materials, Inc. Cements, mortars and concretes
EP0280000A1 (fr) 1987-02-25 1988-08-31 Jean Charles Jouve Procédé de fabrication de l'anhydrite et installation pour sa mise en oeuvre
US4935211A (en) * 1989-01-23 1990-06-19 Azar David G Fluorogypsum waste solidification material
CN1048702C (zh) * 1996-12-28 2000-01-26 西南工学院 一种早强型煤矸石水泥的制造方法
CN1106361C (zh) * 2000-09-04 2003-04-23 湖南湘铝有限责任公司 高强防潮建筑材料及其生产方法

Also Published As

Publication number Publication date
MXPA03000517A (es) 2004-07-29
NO20030275L (no) 2003-09-19
CA2415644A1 (en) 2003-09-18
US6517790B1 (en) 2003-02-11
ITRM20030020A0 (it) 2003-01-20
ITRM20030020A1 (it) 2003-09-19

Similar Documents

Publication Publication Date Title
EP1861341A4 (en) COMPOSITIONS OF HYDRAULIC CEMENT AND MANUFACTURING AND USE METHOD THEREFOR
DK1539126T3 (da) Tabletter indeholdende 250 til 450 mg modafinil
IS7728A (is) Aðferð til að framleiða kalsíumsalt rósuvastatíns
ATE535586T1 (de) Zusätze zu wasserfesten gipsprodukten
IS2633B (is) Flúor setin sýklóalkanóindól og notkun þeirra sem prostaglandín D2 viðtakamótlyf
EP1539977A4 (en) PREPARATION OF TIACUMICIN
DK2339016T3 (da) Øget produktion af subtilisiner
PL1593659T3 (pl) Sposób wykonywania obiektu budowlanego, masa tynkarska spoinująca i powierzchniowa do elementów konstrukcyjnych i sposób jej wytwarzania
EG25989A (en) Process to produce portland cement clinker and obtained clinker
DE60324911D1 (de) Bestimmung der atrio-ventrikulären verzögerung
DE60332798D1 (de) Verringerung des Verhältnisses von Spitzen- zu Durchschnittsleistung
IS8217A (is) Bætt framleiðsla rósúvastatínkalsíumsalts
IS6556A (is) Uppsetning búnaðar rafgreiningarvers til að framleiða ál
DK1468219T3 (da) Forbindelse mellem to indvendigt forede rør
ATE393123T1 (de) Herstellung von eisenverbindungen durch hydrothermale umwandlung
NO20030275D0 (no) Omdannelse av fluorgips til kalsiumsulfat
DK1725114T3 (da) Anvendelse af ozon til forbedring af ælteprocessen
SE0300633L (sv) Sätt att tillverka konstruktionslättballastbetong
DE60335065D1 (de) Polymermodifizierte Gipszusammensetzung
GB0107827D0 (en) Heat treatment of expansible materials to form lightweight aggregate
DE50308682D1 (de) Bausatz aus pflastersteinen
ATA7862002A (de) Wasserauslaufbatterie
HU0204326D0 (en) Process for construction of building with prefabricated wall-elements as well as prefabricated foundation and other wall-elements
FI20021791L (fi) Valaisimien ryhmävalvonta
AUPR269701A0 (en) Use of gypsum to capture gasses generated by composting processes

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application