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Abstract
Within two years in operation, a pilot-scale High Rate Algal Pond (HRAP) of 5 m3/day flow rate showed its ability in eliminating the evaporation of hydrrogen sulphide during its treatment of anaerobically treated natural rubber processing waste water. Chlorella sp. was the alga used in the HRAP. The waste water was having a dissolved sulphide concentration of about 5.00 mg/L. At the centre of this HRAP, about 55% dissolved sulphide still remained, but the concentration of hydrogen sulphide in the air above the HRAP was less than 1 ppm. The dissociation of hydrogen sulphide in the basic medium caused by photosynthesis by Chlorella sp. in the HRAP was believed to have suppressed the emission of gaseous hydrogen sulphide during the treatment.
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Article Details
Issue: Vol 5 No 10 (2002)
Page No.: 43-51
Published: Oct 31, 2002
Section: Article
DOI: https://doi.org/10.32508/stdj.v5i10.3449
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Copyright: The Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License CC-BY 4.0., which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
How to Cite
Ngoc Bich, N., & Minh Triet, L. (2002). THE CONTROL OF HYDROGEN SULPHIDE EVAPORATION IN THE TREATMENT OF WASTE WATER BY PHOTOSYNTHESIS OF CHLORELLA. Science and Technology Development Journal, 5(10), 43-51. https://doi.org/https://doi.org/10.32508/stdj.v5i10.3449
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