Ammonium removal from anaerobically treated effluent by Chlamydomonas acidophila

Bioresource Technology
Ania EscuderoMiriam Pinto

Abstract

Several batch culture studies were carried out to evaluate an anaerobically treated effluent as a low-cost growth medium for the microalga Chlamydomonas acidophila and to study the effectiveness of the microalga in removing NH4-N from the effluent. An initial decrease in the effluent pH to 3 was required for adequate growth of C. acidophila and removal of NH4-N. Growth of the microalgae was inhibited at high light intensity (224μmolphotonsm(-2)s(-1) at the surface of the vessels). However, the growth was not greatly affected by the high solid content and turbidity of the effluent. The microalga was able to grow in media containing NH4-N at concentrations of up to 1000mgL(-1) (50% of effluent) and to remove 88mg of NH4-NL(-1) in 10days. C. acidophila therefore appears a promising agent for the removal of NH4-N from anaerobically treated effluents.

References

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Citations

Aug 11, 2016·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Hangyao WangLiyan Sun
Jul 7, 2020·Engineering in Life Sciences·Felix WollmannFelix Krujatz
Nov 26, 2020·Food Research International·Viviane Priscila Barros de MedeirosMarciane Magnani
Apr 29, 2021·Anais Da Academia Brasileira De Ciências·Mayara L SerejoMarc À Boncz

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