METHOD FOR PRODUCING A POORLY SOLUBLE CALCIUM-ARSENIC COMPOUND

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United States of America Patent

APP PUB NO 20130341283A1
SERIAL NO

14003187

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a method for precipitating pentavalent calcium arsenate from an acidic solution, in which arsenic is at least partially in trivalent form. The acidic solution is neutralised before being routed to an arsenic oxidation stage,and a poorly soluble calcium-arsenic compound is precipitated from the solution, in which all the arsenic is pentavalent.

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Patent Owner(s)

Patent OwnerAddress
OUTOTEC OYJ02201 ESPOO

International Classification(s)

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  • 2012 Application Filing Year
  • C02F Class
  • 1006 Applications Filed
  • 859 Patents Issued To-Date
  • 85.39 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20122013201420152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Riihimäki, Teppo Linnavuori, FI 8 14

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  • C02F Class
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  • 12 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges4135790261201 - 1011 - 2021 - 3031 - 400100200300255075125150175225250275325350375

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