Process for the manufacture of persalt particles
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United States of America Patent
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May 25, 1999
Issued Date -
N/A
app pub date -
May 15, 1997
filing date -
Sep 22, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Continuous process for the manufacture of solid particles of alkali metal persalts by reaction of an aqueous hydrogen peroxide solution with an aqueous solution of an alkali metal salt and crystallization of the persalt formed in a crystallizer-classifier comprising a stirred formation and growth region for the persalt crystals, a nonstirred clarifying region for the solution and a classification region for the particles obtained by elutriation in a liquid stream withdrawn in the clarifying region. Plant for manufacturing the said particles.
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International Classification(s)
- 1997 Application Filing Year
- C01B Class
- 460 Applications Filed
- 227 Patents Issued To-Date
- 49.35 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 12 Citation Count
- C01B Class
- 65.44 % this patent is cited more than
- 26 Age