[go: up one dir, main page]

ZA968505B - Apparatus and process for purifying highly impure calcium hydroxide and for producing high-value calcium carbonate and other calcium products - Google Patents

Apparatus and process for purifying highly impure calcium hydroxide and for producing high-value calcium carbonate and other calcium products

Info

Publication number
ZA968505B
ZA968505B ZA968505A ZA968505A ZA968505B ZA 968505 B ZA968505 B ZA 968505B ZA 968505 A ZA968505 A ZA 968505A ZA 968505 A ZA968505 A ZA 968505A ZA 968505 B ZA968505 B ZA 968505B
Authority
ZA
South Africa
Prior art keywords
calcium
producing high
products
value
highly impure
Prior art date
Application number
ZA968505A
Other languages
English (en)
Inventor
James W Bunger
Donald E Cogswell
Jerald W Wiser
Original Assignee
James W Bunger And Associates
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 James W Bunger And Associates filed Critical James W Bunger And Associates
Publication of ZA968505B publication Critical patent/ZA968505B/xx

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
    • C01F11/02—Oxides or hydroxides
    • C01F11/16—Purification
    • 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
    • C01F11/18—Carbonates
    • 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
    • C01F11/18—Carbonates
    • C01F11/181—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by control of the carbonation conditions
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C55/00—Saturated compounds having more than one carboxyl group bound to acyclic carbon atoms
    • C07C55/02—Dicarboxylic acids
    • C07C55/06—Oxalic acid
    • C07C55/07—Salts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
ZA968505A 1995-10-10 1996-10-09 Apparatus and process for purifying highly impure calcium hydroxide and for producing high-value calcium carbonate and other calcium products ZA968505B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/541,824 US5846500A (en) 1995-10-10 1995-10-10 Process for purifying highly impure calcium hydroxide and for producing high-value precipitated calcium carbonate and other calcium products

Publications (1)

Publication Number Publication Date
ZA968505B true ZA968505B (en) 1997-05-20

Family

ID=24161226

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA968505A ZA968505B (en) 1995-10-10 1996-10-09 Apparatus and process for purifying highly impure calcium hydroxide and for producing high-value calcium carbonate and other calcium products

Country Status (6)

Country Link
US (2) US5846500A (xx)
AU (1) AU7436096A (xx)
BR (1) BR9610898A (xx)
CA (1) CA2234688A1 (xx)
WO (1) WO1997013723A1 (xx)
ZA (1) ZA968505B (xx)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI103664B (fi) * 1996-09-27 1999-08-13 Betz Guenter Menetelmä kalsiumin talteenottamiseksi jätemateriaalista tai epäpuhtaa sta luonnon kalsiummateriaalista
US5955040A (en) * 1997-06-23 1999-09-21 James W. Bunger And Associates, Inc. Integrated apparatus and process for high recovery of acetylene from the reaction of calcium carbide with water
AT405277B (de) * 1997-07-07 1999-06-25 Unitechnik Thurner Anlagenbaug Vorrichtung zur, insbesondere kontinuierlichen, herstellung von caco3 in dispergierter form
CA2213086A1 (en) * 1997-10-02 1999-04-02 Martin J. Lilley Processing and use of carbide lime by-product as a resin and polymer filler and extender
GB9827033D0 (en) * 1998-12-10 1999-02-03 Kemgas Limited Lime treatment
US6451268B1 (en) 1999-04-16 2002-09-17 Minerals Technologies Inc. Method and apparatus for continuous gas liquid reactions
US6143065A (en) * 1999-07-12 2000-11-07 J. M. Huber Corporation Precipitated calcium carbonate product having improved brightness and method of preparing the same
US20030161894A1 (en) * 2001-09-05 2003-08-28 3P Technologies Ltd. Precipitated aragonite and a process for producing it
US20030213937A1 (en) * 2001-02-22 2003-11-20 Isaac Yaniv Precipitated aragonite and a process for producing it
US6685908B1 (en) 2000-03-06 2004-02-03 3P Technologies Ltd. Precipitated aragonite and a process for producing it
RU2217378C1 (ru) * 2002-06-05 2003-11-27 Пойлов Владимир Зотович Способ получения карбоната кальция высокой чистоты из кальциевого и карбонатного растворов
RU2218305C1 (ru) * 2002-06-05 2003-12-10 Пойлов Владимир Зотович Способ получения тонкодисперсного химически осажденного карбоната кальция со сферической формой частиц
AU2002952310A0 (en) * 2002-10-29 2002-11-14 Concept Nominees Pty Ltd Method of producing carbide lime
US7883681B2 (en) * 2003-05-09 2011-02-08 Meade D Mark Synthetic carbide lime filler composition and method of making
US20050089466A1 (en) * 2003-10-27 2005-04-28 Degenova Mark G. Methods and apparatus for producing precipitated calcium carbonate
EP1838618A1 (en) * 2004-12-15 2007-10-03 FUJIFILM Corporation Method for producing carbonates
EP1746073A1 (en) * 2005-07-20 2007-01-24 SOLVAY (Société Anonyme) Process for making a solid compound by precipitation, suspensions of solid in liquids and solids obtained by the process and their use as additives
BRPI0601717A (pt) * 2006-05-04 2007-12-18 Du Pont Brasil processo para a fabricação de carbonato de cálcio
CN101139107B (zh) * 2007-08-16 2010-08-11 华东理工大学 含渣石灰乳脱渣方法及装置
GB0917248D0 (en) 2009-10-02 2009-11-18 Calcitech Synthetic Minerals Ltd Production of calcium carbonate
GB0921820D0 (en) 2009-12-14 2010-01-27 Calcitech Synthetic Minerals Ltd Production and/or recovery of products from waste sludge
CN104080860B (zh) * 2011-10-13 2017-06-06 2262554安大略股份有限公司 用于制备碳酸钙涂覆的氢氧化钙颗粒的方法和装置
HUE030141T2 (en) * 2012-02-03 2017-04-28 Omya Int Ag A method for producing an aqueous solution comprising at least one alkaline earth hydrogen carbonate
CN102730732B (zh) * 2012-06-21 2014-04-02 昆明理工大学 蔗糖法提纯磷石膏分解渣中氧化钙的方法
US9902652B2 (en) 2014-04-23 2018-02-27 Calera Corporation Methods and systems for utilizing carbide lime or slag
US11002255B2 (en) 2019-08-20 2021-05-11 Lowry Inheritors Trust Carbon negative clean fuel production system
WO2021173784A1 (en) 2020-02-25 2021-09-02 Arelac, Inc. Methods and systems for treatment of limestone to form vaterite
GB2613474B (en) 2020-06-30 2025-01-01 Arelac Inc Methods and systems for forming vaterite from calcined limestone using electric kiln
US20240174935A1 (en) * 2022-11-29 2024-05-30 Jonquil Consulting Inc. Method for treating carbon dioxide contained in natural gas and aqueous dispersion used therein
JP7505817B1 (ja) 2023-04-18 2024-06-25 株式会社ジョンクェルコンサルティング 二酸化炭素含有ガスの処理システム、および二酸化炭素含有ガスの処理方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA497626A (en) * 1953-11-10 H. Heller Harold Manufacture of chalk
DE149205C (xx) *
DE158477C (xx) * 1903-12-19
US2204184A (en) * 1936-03-27 1940-06-11 Prest O Lite Co Inc Process for producing acetylene and lime hydrate
DE2837143A1 (de) * 1978-08-25 1980-03-06 Guenter Weber Anlage zur herstellung von kalkmilch aus weisskalkhydrat
JPS56160322A (en) * 1980-05-06 1981-12-10 Shiraishi Chuo Kenkyusho:Kk Manufacture of calcium carbonate with superior dispersibility
DE3587060T2 (de) * 1984-10-18 1993-05-19 Pfizer Kugelfoermiges ausgefaelltes calciumcarbonat, seine herstellung und seine verwendung.
US4888160A (en) * 1985-12-20 1989-12-19 J.M. Huber Corporation Process for producing calcium carbonate and products thereof
US4824654A (en) * 1988-03-17 1989-04-25 Yabashi Industries Co., Ltd. Process of producing needle-shaped calcium carbonate particles
US5082644A (en) * 1989-10-30 1992-01-21 University Of Utah Apparatus and process for the production of acetylene
GB2246344A (en) * 1990-07-27 1992-01-29 Ecc Int Ltd Precipitated calcium carbonate
US5342600A (en) * 1990-09-27 1994-08-30 Ecc International Limited Precipitated calcium carbonate
ES2175072T3 (es) * 1995-09-20 2002-11-16 Chemical Lime Ltd Metodo de fabricacion de carbonato de calcio de alta pureza.

Also Published As

Publication number Publication date
AU7436096A (en) 1997-04-30
US5997833A (en) 1999-12-07
CA2234688A1 (en) 1997-04-17
WO1997013723A1 (en) 1997-04-17
US5846500A (en) 1998-12-08
BR9610898A (pt) 2001-10-02

Similar Documents

Publication Publication Date Title
ZA968505B (en) Apparatus and process for purifying highly impure calcium hydroxide and for producing high-value calcium carbonate and other calcium products
IL123767A (en) Process for producing fruit-product and product produced thereby
HU9700359D0 (en) Process for producing of inulin products
HUP9802340A3 (en) Process for producing oriented polymeric products
GB2303290B (en) Process for producing dehydrated vegetables
NZ322825A (en) Process for the preparation of discrete particles of calcium carbonate
GB2312670B (en) Process for producing calcium carbonate particles having size of 0.1 to 1.0mm
HUP9801697A3 (en) Modified mp52-protein and process for producing thereof
EP0867531A4 (en) METHOD AND DEVICE FOR PRODUCING SINGLE CRYSTALS
HUP9901451A3 (en) Apparatus and process for producing polymeric foam
HUP9801132A3 (en) Process for producing n-arilhydroxylamines and n-hetarylhydroxylamines
PL322089A1 (en) Method of precipitating calcium carbonate
GR3030549T3 (en) Continuous process for the production of precipitated calcium carbonate
AU4541696A (en) Process and apparatus for preparing calcium carbonate
AU6834298A (en) Process and apparatus for producing precipitated calcium carbonate
IL115044A0 (en) Denture apparatus and process for producing same
SG52932A1 (en) Apparatus and process for producing pure water
PL312831A1 (en) Method of production of isopropylbenzene hydroxide
AU3526095A (en) Reactor and process for producing calcium peroxide
HU9701137D0 (en) Process for producing pharmaceutical intermedier
GB9111859D0 (en) Calcium carbonate process and production apparatus
GB9012113D0 (en) Calcium carbonate process and production apparatus
HU9503733D0 (en) Process for producing veratrumaldehyde
GB8912340D0 (en) Calcium carbonate process and production apparatus
GB8812677D0 (en) Calcium carbonate process & production apparatus