Beneficiation of saline minerals

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6092665
SERIAL NO

08737871

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A process is provided for recovering a saline mineral from an ore containing the saline mineral and impurities. In one aspect, the process generally includes the steps of separating a first portion of impurities from the ore by density separation, electrostatically separating a second portion of impurities from the ore, and magnetically separating a third portion of impurities from the ore. The process can further include the steps of crushing the ore and dividing the crushed ore into a plurality of size fractions before the above-referenced separating steps. In another aspect, the process includes the steps of calcining the ore and subsequently separating a first portion of impurities by density separation. Indirect heating may be utilized for the calcining process and, preferably, calcining gases are recycled and utilized for heating fluidizing another portion of ore. Water vapor may be condensed from the calcining gas and utilized for other purposes.

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Patent Owner(s)

Patent OwnerAddress
TRONOX ALKALI WYOMING CORPORATIONONE STAMFORD PLAZA 263 TRESSER BOULEVARD SUITE 1100 STAMFORD CT 06901

International Classification(s)

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  • 1997 Application Filing Year
  • B03B Class
  • 52 Applications Filed
  • 27 Patents Issued To-Date
  • 51.93 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances199719981999200020010255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Denham, Dale L Louisville, CO 1 5
Moore, Allen H Parker, CO 1 5
Schmidt, Roland Lakewood, CO 176 1809
Tacoma, Ralph B Green River, WY 2 8
Turner, Allan L Lakewood, CO 10 183

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Patent Citation Ranking

  • 5 Citation Count
  • B03B Class
  • 10 % this patent is cited more than
  • 25 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges215301 - 1011 - 20012345678910111213141516

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