Composição química de macrófitas aquáticas flutuantes utilizadas no tratamento de efluentes de aqüicultura

G.G. Henry-Silva; A.F.M. Camargo

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(Reference retrieved automatically from SciELO through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Chemical composition of floating aquatic macrophytes used to treat of aquaculture wastewater

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Author(s):	G.G. Henry-Silva ^[1] ; A.F.M. Camargo ^[2] Total Authors: 2
Affiliation:	^[1] UNESP. Centro de Aqüicultura ^[2] UNESP. Dep. de Ecologia Total Affiliations: 2
Document type:	Journal article
Source:	Planta Daninha; v. 24, n. 1, p. 21-28, 2006-00-00.
Abstract
The purpose of this work was to evaluate the chemical composition of two floating aquatic macrophytes (Eichhornia crassipes and Pistia stratiotes) used in the treatment of aquaculture wastewater and to infer their potential use as biomass. E. crassipes showed the highest contents of calcium (1.51%), magnesium (3,916.67 mg kg-1), manganese (1,233.33 mg kg¹), zinc (81.83 mg kg-1), iron (5,425.00 mg kg-1) and copper (25.83 mg kg-1). P. stratiotes showed the highest contents of ash (18.95%), phosphorus (0.38%), nitrogen (2.40%), crude protein (15.02%) and amino acids, except for aspartic acid and tryptophan. (AU)

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