A Voltammetry Procedure with Medium Exchange for the Speciation of Heavy Metals in Wastewater of a Sewage Treatment Plant
作者： E Alonso Alvarez , M Callejón Mochón , JC Jiménez Sánchez , M Ternero Rodríguez , None
DOI: 10.1002/(SICI)1521-4109(199810)10:13<917::AID-ELAN917>3.0.CO;2-L
关键词: Zinc 、 Effluent 、 Cadmium 、 Electrolysis 、 Wastewater 、 Sewage treatment 、 Chemistry 、 Stripping (chemistry) 、 Environmental chemistry 、 Organic matter
摘要: A scheme is proposed for the speciation of heavy metals based on Nurnberg with two modifications: application medium exchange to anodic stripping voltammetric (ASV) measurement, and destruction organic matter particulate. The protocol suitable making operational divisions four categories elements zinc, cadmium, lead copper in wastewater. Three these can be simultaneously determined by ASV (cadmium not detected). parameters determination include: electrodeposition potential −1.2 V, time deaerating 300 s, electrolysis 90 s (with stirring) rest 40 s. Medium done after step. We have applied this procedure study metal effluent from a conventional wastewater treatment plant city Seville (Spain).
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