Arsenic in freshwater | Occurrence, Speciation and Remediation Using Aquatic Macrophytes
M. Azizur Rahman (u. a.)
ISBN 10: 3659185752 ISBN 13: 9783659185755
Published by LAP Lambert Academic Publishing, 2012
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Arsenic in freshwater | Occurrence, Speciation and Remediation Using Aquatic Macrophytes | M. Azizur Rahman (u. a.) | Taschenbuch | Englisch | LAP Lambert Academic Publishing | EAN 9783659185755 | Verantwortliche Person für die EU: LAP Lambert Academic Publishing, Brivibas Gatve 197, 1039 RIGA, LETTLAND, customerservice[at]vdm-vsg[dot]de | Anbieter: preigu. Seller Inventory # 106376603
Synopsis:
Arsenic, a deadly toxic element, is widely distributed in freshwater systems with an average concentration of approximately 1.7 μg/L, predominantly as inorganic forms, from natural and anthropogenic sources. Phytoremediation, a plant-based eco-friendly technology, is receiving increasing attention, and aquatic plants can be used for the remediation of arsenic-contaminated water. Water hyacinth (Eichhornia crassipes), duckweeds (Lemna spp., Spirodela polyrhiza), water fern (Azolla spp.), hydrilla (Hydrilla verticillata) and watercress (Lepidium sativum) have been studied to assess their potential for arsenic phytoremediation. Arsenic is mainly taken up by aquatic plants through the phosphate uptake pathway, however, physico-chemical adsorption of arsenate on aquatic plant surfaces also contributes significantly in arsenic accumulation in the plants. Phosphate and iron influence arsenate uptake, while these chemicals do not influence arsenite, MMAA and DMAA uptake in aquatic plants. From my studies, I proposed that aquatic floating macrophytes such as duckweed (Spirodella polyrhiza) and water fern (Azolla pinnata) can be used for the remediation of arsenic from freshwater.
About the Author: Dr Rahman was born in 1979 in Bangladesh. He did his PhD in 2008 in environmental & analytical chemistry from Kanazawa University, Japan. He has been received international recognitions for his contributions in science. Currently, he is working on toxicity & bioremediation of arsenic in freshwater at the University of Technology, Sydney, Australia.
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Bibliographic Details
Title: Arsenic in freshwater | Occurrence, ...
Publisher: LAP Lambert Academic Publishing
Publication Date: 2012
Binding: Taschenbuch
Condition: Neu