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Efficiency of Hybrid Process of Coagulation/Flocculation Followed by Membrane Filtration for the Treatment of Synthetic Vegetable Oil Refinery Wastewater Read chapter Read first chapter

2021 | OriginalPaper | Chapter

Extraction Behaviors for Inorganic Arsenic Removal from Seaweed (Gracilaria Fisheri) Using Food Additives

Author : Charuwan Khamkaew

Published in: Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (2nd Edition)

Publisher: Springer International Publishing

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Abstract

The extraction behaviors for inorganic arsenic removal under batch system using food additives at actual pH with other conditions, concentration, extraction volume, and extraction time were studied. In batch extraction, 100 rpm orbital shaker speed at room temperature was held constant. The results showed that EDTA was the most effective extractant for inorganic arsenic removal. Afterward, with the increase of EDTA concentration, at 0.10 M, inorganic arsenic removal increased to reach 100% extraction efficiency. Batch extraction using 0.10 M EDTA at the volume of 75 mL for 120 min shaking was optimal giving the highest extraction efficiency, up to 98%. Under optimized conditions, the amounts of arsenic in real seaweed samples were reduced from 4.60 ± 0.15 to 0.09 ± 0.01 mg kg−1-dry weight, lower than that of standard levels of community seaweed product. Therefore, these results provided strong evidence of the promising procedure for arsenic removal from Gracilaria fisheri seaweed by batch extraction.

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previous chapter The Treatment of Wastewater According to the Oriented Membrane Processes for the Extraction and Recovery of the Norfloxacin Compound
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Metadata
Title
Extraction Behaviors for Inorganic Arsenic Removal from Seaweed (Gracilaria Fisheri) Using Food Additives
Author
Charuwan Khamkaew
Copyright Year
2021
Book
Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (2nd Edition)

Print ISBN: 978-3-030-51209-5

Electronic ISBN: 978-3-030-51210-1

Copyright Year: 2021

DOI
https://doi.org/10.1007/978-3-030-51210-1_138