Arsenic in freshwater (Paperback)

Arsenic, a deadly toxic element, is widely distributed in freshwater systems with an average concentration of approximately 1.7 g/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."

General

Imprint:	Lap Lambert Academic Publishing
Country of origin:	Germany
Release date:	July 2012
First published:	July 2012
Authors:	M Azizur Rahman • Hiroshi Hasegawa
Dimensions:	229 x 152 x 10mm (L x W x T)
Format:	Paperback - Trade
Pages:	180
ISBN-13:	978-3-659-18575-5
Categories:	Books > Science & Mathematics > Chemistry > General
LSN:	3-659-18575-2
Barcode:	9783659185755

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