2000
DOI: 10.1016/s0032-9592(99)00134-x
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Detrimental effects of high molecular-mass polyphenols on olive mill wastewater biotreatment

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Cited by 214 publications
(117 citation statements)
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“…OMWW is a mildly acidic, red-to-black coloured, liquid of high conductivity. It is particularly rich in organic matter and toxic fatty acids (Mekki et al, 2006;Sayadi et al, 2000). The high-molecular-weight polyphenols, similar in structure to lignin, give OMWW their characteristic brownish black colour (Assas et al., 2002;D' Annibale et al, 2004).…”
Section: Introductionmentioning
confidence: 99%
“…OMWW is a mildly acidic, red-to-black coloured, liquid of high conductivity. It is particularly rich in organic matter and toxic fatty acids (Mekki et al, 2006;Sayadi et al, 2000). The high-molecular-weight polyphenols, similar in structure to lignin, give OMWW their characteristic brownish black colour (Assas et al., 2002;D' Annibale et al, 2004).…”
Section: Introductionmentioning
confidence: 99%
“…The hydrolysis of the glycosidic bonds and the opening of secoiridoids ring are commonly reported [19][20]. The phenolic fraction of OMW is extremely complex, as demonstrated by several authors such as [17,[21][22][23][24]; many compounds are still unidentified, and more than twenty biphenyl have been identified recently via LC-MS-MS techniques, including, cinnamic acid derivatives (such as caffeic, coumaric and ferulic acid), benzoic acid derivatives (such as protocatechuic, hydrobenzoic, vanillic and gallic acid) and β-3,4-dihydroxyphenyl ethanol derivatives (such as p-tyrosol and hydroxytyrosol [22,[25][26][27][28][29]. After the olive oil extraction process, only 1 to 2% of the total phenolic contents of the olive fruit passes in the oil phase, while the most part of the olive phenols, about 98% , in fact remain in the wastewater and also in solid wastes.…”
Section: Introductionmentioning
confidence: 99%
“…Au Maroc, la production annuelle des résidus liquides est estimée à 250 000 mètres cubes (IOM 2003(IOM , 2004 Ces problèmes environnementaux sont attribués à la richesse des effluents en matières organiques (GALLI et al, 1997) et en particulier en polyphénols qui sont responsables de l'effet phytotoxique ZENJARI et al, 2006). Ces considérations ont conduit plusieurs chercheurs aux échelles nationale et internationale à trouver des applications pour le traitement et la valorisation des effluents des huileries d'olive : procédés physiques (ACHAK et al, 2008;AL-MALLAH et al, 2000), procédés thermiques (DI GIACOMO et al, 1991;VITOLO et al, 1999), floculation et clarification (FLOURI et al, 1996), adsorption (ACHAK et al, 2009a), compostage (AIT-BADDI et al, 2004PAREDES et al, 2000) et infiltration-percolation (ACHAK et al, 2009b;SAADI et al, 2007;SANTI et al, 2008;SAYADI et al, 2000).…”
Section: Introductionunclassified