Removal of ammonium and four methyl phenol from synthetic wastewater by cell-free extracts of nitrifying sludge

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Título :	Removal of ammonium and four methyl phenol from synthetic wastewater by cell-free extracts of nitrifying sludge
Autor(es) :	Ricardo Beristain-Cardoso, 0000-0003-1548-7678
Autor(es) sin ID:	Covarrubias Vallejo, Jacqueline; González Blanco, G.; Prado Barragan, A.
Fecha de publicación :	2015
Tipo de resultado Científico:	preprint
Materia o Disciplina:	BIOLOGÍA Y QUÍMICA
Palabras clave:	4-Methylphenol; Ammonium; Alginate; Kinetic
Descripción :	The feasibility of using cell-free extracts of nitrifying sludge to treat synthetic wastewater containing 4-methylphenol and ammonium was examined. Nitrifying cells were broken by sonication and encapsulated into calcium alginate. Cell-free extracts (CFE) of nitrifying sludge oxidized 4-methylphenol threefold faster than whole-cells, but CFE were not able to oxidize ammonium. The CFE encapsulated into calcium alginate (CFEA) displayed partial nitrification and 4-methylphenol oxidation. Five hours was enough to oxidize 100 % of ammonium and 4-methylphenol, at volumetric rates of 20.80 mg N/L h and 42.86 mg C/L h, respectively. It is inferred that an interaction between the CFE and calcium alginate resulted in the protection of the enzymes.
Editor:	Universidad Autónoma Metropolitana. Unidad Lerma
URI :	http://hdl.handle.net/20.500.12222/33
Condiciones de licencia:	http://creativecommons.org/licenses/by-nc-nd/4.0/
Aparece en las colecciones:	Artículos Científicos

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