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Bioflocculant produced by Aspergillus sp. JS-42

J S Nam1, G S Kwon, S O Lee

  • 1Department of Microbiology, College of Natural Sciences, Pusan National University, Korea.

Bioscience, Biotechnology, and Biochemistry
|February 1, 1996
PubMed
Summary

A novel bioflocculant derived from Aspergillus sp. JS-42 was purified. This fungal bioflocculant effectively removes diverse suspended solids from water, showing stability across a wide pH range.

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Area of Science:

  • Microbiology
  • Biotechnology
  • Environmental Science

Background:

  • Fungal bioflocculants offer a sustainable alternative for water treatment.
  • Aspergillus species are known producers of various bioactive compounds.

Purpose of the Study:

  • To purify and characterize a bioflocculant from Aspergillus sp. JS-42.
  • To evaluate the bioflocculant's efficiency in removing suspended solids.

Main Methods:

  • Purification using acetone and cetylpyridinium chloride precipitation.
  • Assessment of flocculating activity under varying pH conditions.
  • Testing flocculation efficacy with diverse suspended materials.

Main Results:

  • The purified bioflocculant demonstrated stability in pH 3-8.

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  • Calcium chloride addition significantly enhanced flocculating activity.
  • Efficient flocculation of microorganisms, organic acids, and inorganic solids was achieved.

    • Conclusions:

    • The bioflocculant from Aspergillus sp. JS-42 is a potent agent for water purification.
    • Its stability and broad efficacy make it suitable for various wastewater treatment applications.