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Biological method of waste water treatment

  • US 5,582,732 A
  • Filed: 05/19/1995
  • Issued: 12/10/1996
  • Est. Priority Date: 03/31/1995
  • Status: Expired due to Fees
First Claim
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1. A method of treating waste water, comprising the step of:

  • firstly, providing specially acclimatized microbial consortia with relatively low sensitivity to changes in pH and changes in temperature, such that the microbial consortia is capable of metabolizing contaminants efficiently within a predetermined broad pH range and broad temperature range;

    secondly, maintaining the microbial consortia in a space limited mode within an immobilized bioreactor operating within the predetermined pH range and the predetermined temperature range; and

    thirdly, introducing waste water with liquified insoluble organic contaminants into the immobilized bioreactor, the organic contaminants being metabolized by the microbial consortia working under space limited conditions, thereby treating the waste water with a minimal sludge production rate.

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