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Biological purifier for untreated waste water and method of producing the same, biological purification method for untreated waste water, and biological purification system for untreated waste water

Foreign code F180009580
File No. B000024US
Posted date Nov 6, 2018
Country United States of America
Application number 201414912209
Gazette No. 20160194228
Gazette No. 9758409
Date of filing Jul 24, 2014
Gazette Date Jul 7, 2016
Gazette Date Sep 12, 2017
Title Biological purifier for untreated waste water and method of producing the same, biological purification method for untreated waste water, and biological purification system for untreated waste water
Abstract Provided is a biological purifier, by which metal ions in untreated waste water containing the metal ions and sulfate ions can be removed in a low temperature environment with a water temperature of 15.degree. C. or less for a long period of time. The biological purifier for untreated waste water containing metal ions and sulfate ions used for removing the metal ions from the untreated waste water by precipitating sulfides of the metal ions, the biological purifier includes chaff retaining sulfate-reducing bacteria; and an organic-containing material containing 5 mass % or more of crude protein.
  • Inventor, and Inventor/Applicant
  • Hamai; Takaya
  • Kodera; Takuya
  • Furuya; Hisatoshi
  • Japan Oil, Gas and Metals National Corporation
IPC(International Patent Classification)

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