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Geothermal arsenic in Taiwan: Geochemistry and microbial diversity
National Cheng Kung University, Taiwan.
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2012 (English)In: Understanding the Geological and Medical Interface of Arsenic, As 2012 - 4th International Congress: Arsenic in the Environment, Taylor & Francis Group, 2012, 483-485 p.Conference paper, Published paper (Refereed)
Abstract [en]

This study describes the fluid chemical compositions and related microbial diversity in geothermal systems of Taiwan. The fluid samples were collected from several geothermal springs located in northern and southern Taiwan. The pH values of the fluids showed diverse character of the geothermal systems, some are acidic in nature while few showed alkaline in nature. The fluids also contain high arsenic concentrations with As(III) as the dominant species. Yang-Ming-Shan and Beitou hot springs in northern Taiwan were characterized by sulfur spring type (contains H-SO 4). The 16S rRNA gene sequence of microbial community indicated the presence of thiosulfate-oxidizing, alkaliphilic, psychrotolerant and chemo-organoheterotrophy bacterium such as Limnobacter thiooxidans, Clostridium sulfidigenes and Des-ulfovibrio psychrotolerans, respectively.

Place, publisher, year, edition, pages
Taylor & Francis Group, 2012. 483-485 p.
Keyword [en]
Geothermal fields, Hot springs, RNA, Sulfur
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:kth:diva-101355Scopus ID: 2-s2.0-84864878091ISBN: 978-041563763-3 (print)OAI: oai:DiVA.org:kth-101355DiVA: diva2:547484
Conference
4th International Congress on Arsenic in the Environment, As 2012; Cairns, QLD; Australia; 22 July 2012 through 27 July 2012
Note

QC 20120828

Available from: 2012-08-28 Created: 2012-08-27 Last updated: 2013-10-15Bibliographically approved

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Bhattacharya, Prosun

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