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  • Title: Photodegradation of bisphenol A in simulated lake water containing algae, humic acid and ferric ions.
    Author: Peng Z, Wu F, Deng N.
    Journal: Environ Pollut; 2006 Dec; 144(3):840-6. PubMed ID: 16603296.
    Abstract:
    The photodegradation of bisphenol A (BPA), a suspected endocrine disruptor (ED), in simulated lake water containing algae, humic acid and Fe3+ ions was investigated. Algae, humic acid and Fe3+ ions enhanced the photodegradation of BPA. Photodegradation efficiency of BPA was 36% after 4h irradiation in the presence of 6.5 x 10(9) cells L(-1) raw Chlorella vulgaris, 4 mg L(-1) humic acid and 20 micromol L(-1) Fe3+. The photodegradation efficiency of BPA was higher in the presence of algae treated with ultrasonic than that without ultrasonic. The photodegradation efficiency of BPA in the water only containing algae treated with ultrasonic was 37% after 4h irradiation. The algae treated with heating can also enhance the photodegradation of BPA. This work helps environmental scientists to understand the photochemical behavior of BPA in lake water.
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