Karel V Zadera

from Iselin, NJ

Also known as:
  • Karel Zadera

Karel Zadera Phones & Addresses

  • Iselin, NJ

Us Patents

  • Treatment Of Water To Remove Certain Ions Therefrom

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  • US Patent:
    40595137, Nov 22, 1977
  • Filed:
    Feb 22, 1977
  • Appl. No.:
    5/770826
  • Inventors:
    Karel V. Zadera - Dover NJ
  • International Classification:
    C02B 120
    C02B 502
    C02C 502
    B01D 2101
  • US Classification:
    210 45
  • Abstract:
    High sulfate content water is treated in a multistage process to remove sulfate and hardness. Sulfate concentration is reduced in the first stage of the process by addition of calcium hydroxide. Calcium concentration is reduced in the second stage of the process by reaction of carbon dioxide or bicarbonate and calcium and hydroxide ions from the first stage of the process, forming insoluble calcium carbonate.

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