نتایج جستجو برای: fresh and aged olive mill waste

تعداد نتایج: 16872881  

Journal: :Applied biochemistry and biotechnology 2014
José Manuel Salgado Luís Abrunhosa Armando Venâncio José Manuel Domínguez Isabel Belo

Two-phase olive mill waste (TPOMW) is presently the major waste produced by the olive mill industry. This waste has potential to be used as substrate for solid state fermentation (SSF) despite of its high concentration of phenolic compounds and low nitrogen content. In this work, it is demonstrated that mixtures of TPOMW with winery wastes support the production of lipase by Aspergillus spp. By...

Journal: :International Journal of Molecular Sciences 2008
Teresa Miranda Alberto Esteban Sebastián Rojas Irene Montero Antonio Ruiz

The Thermogravimetric Analysis (TGA) techniques and concretely the study of the burning profile provide information that can be used to estimate the behaviour of the combustion of carbonous materials. Commonly, these techniques have been used for the study of carbons, but are also interesting for the analysis of biomass wastes, due to the different species present on the wastes affect directly ...

Journal: :Journal of agricultural and food chemistry 2008
Alegria Cabrera Lucia Cox William C Koskinen Michael J Sadowsky

Amendments are frequently added to agricultural soils to increase organic matter content. In this study, we examined the influence of alperujo, an olive oil mill waste, on the availability of two triazine herbicides, terbuthylazine and atrazine, in two different sandy soils, one from Sevilla, Spain, and the other from Minnesota. The effect of aging on herbicide sorption and bioavailability was ...

Journal: :Arab Universities Journal of Agricultural Sciences 2018

2014
APOSTOLOS VLYSSIDES ELLI MARIA BARAMPOUTI SOFIA MAI

Olive oil production is associated with extremely polluting byproducts causing serious environmental problems in most Mediterranean countries. These highly polluting residues are currently disposed of in the soil, rivers or lakes or where treatment methods have been applied, they were proven insufficient or nonfeasible under the Greek situation. On the other hand strict EU environmental legisla...

Journal: :Journal of applied microbiology 2001
M J López J Moreno A Ramos-Cormenzana

AIMS Xanthan production by Xanthomonas campestris from several olive mill wastewaters (OMW) was investigated. METHODS AND RESULTS Maximum xanthan production of 4 g l(-1) was obtained in media with 50% OMW as sole source of nutrients. OMW storage decreased effluent quality for xanthan production. The range of effluent concentration for X. campestris growth and xanthan production varied dependi...

2016
Luca Regni Luigi Nasini Luana Ilarioni Antonio Brunori Luisa Massaccesi Alberto Agnelli Primo Proietti

The soil amendment with organic wastes represents a way to increase the soil fertility and the organic carbon (C) stored in the agro-ecosystems. Among the organic waste materials produced by agricultural and industrial activities, olive mill wastes derived from the olive oil extraction process may represent a suitable soil amendment. The aim of the study was to evaluate the effect of fresh (SOM...

2015
Inass Leouifoudi Hicham Harnafi Abdelmajid Zyad

Natural polyphenols extracts have been usually associated with great bioactive properties. In this work, we investigated in vitro antioxidant and antimicrobial potential of the phenolic olive mill wastewater extracts (OWWE) and the olive cake extracts (OCE). Using the Folin Ciocalteux method, OWWE contained higher total phenol content compared to OCE (8.90 ± 0.728 g/L versus 0.95 ± 0.017 mg/g)....

Journal: :Bioresource technology 2015
Ana R Almansa Monica Rodriguez-Galan Rafael Borja Fernando G Fermoso

This study investigated metal dynamics, and their bioavailability, before and after thermal pretreatment of olive mill solid waste (OMSW), using a sequential metal extraction scheme. The 11.5% increase of cobalt in the most available fraction after the pretreatment coupled to the increase of methane production rate have been a good indicator that the OMSW anaerobic digestion might be metal limi...

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