NDLI: Factors Affecting the Production of Volatile Organic Sulfur Compounds (VOSCs) from Algal-Induced Black Water Blooms in Eutrophic Freshwater Lakes

Content Provider	Springer Nature Link
Author	Yin, Hongbin Wu, Yuchen
Copyright Year	2016
Abstract	Volatile organic sulfur compounds (VOSCs) are frequently reported in eutrophic lakes during the process of algal blooms’ degradation. The algal-induced so-called black water blooms have been purported to be a big contributor to the production of VOSCs. However, the production mechanism of VOSCs in black water blooms and its influencing factors still remain unclear. In this study, a laboratory sediment/algal slurry experiment was carried out to investigate the formation process of black water blooms and factors such as temperature, microorganisms, and sulfate concentrations on the production of VOSCs in eutrophic lake sediments during the decomposition of algal blooms. The simulation study indicated that black water blooms can only be produced with the participation of sediment and algal together, which could be the result of low redox potential and the continuous release of ferrion irons (Fe$^{2+}$) and hydrogen sulfide (H$_{2}$S) into the lake’s ecosystem; however, neither of algal nor sediment can induce the formation of black water blooms. In addition, the sediment + algal treatment can produce more VOSCs than a single sediment or algal treatment. Higher temperature incubation and a higher concentration of sulfate additions can enhance the concentration of H$_{2}$S and VOSCs in black water blooms. However, the addition of microbial inhibitors in the algal/sediment slurry indicated that sulfate reducing bacteria (SRB) can stimulate the production of VOSCs, whereas methanogen might consume some concentration of VOSCs and thus lower their concentration in black water blooms.
Starting Page	1
Ending Page	11
Page Count	11
File Format	PDF
ISSN	00496979
Journal	Water, Air, and Soil Pollution
Volume Number	227
Issue Number	9
e-ISSN	15732932
Language	English
Publisher	Springer International Publishing
Publisher Date	2016-09-01
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Volatile organic sulfur compounds (VOSCs) Algal Black water blooms Sediment Eutrophic lake Environment Water Quality/Water Pollution Atmospheric Protection/Air Quality Control/Air Pollution Soil Science & Conservation Hydrogeology Climate Change/Climate Change Impacts
Content Type	Text
Resource Type	Article
Subject	Ecological Modeling Environmental Chemistry Pollution Environmental Engineering Water Science and Technology

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