The biological purification of waste products from olive oil extraction

Nieto, Leonardo Martín; Hoyos, Sofia Esperanza Garrido; Rubio, F. Camacho; Pareja, M.P. Garcia; Cormenzana, Alberto Ramos

doi:10.1016/0960-8524(93)90033-8

Cited by 45 publications

(20 citation statements)

References 3 publications

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“…Although the feasibility to obtain ethanol from free fermentable sugars and cellulose contained in this residue has been demonstrated in a previous work (2), fermentation inhibition was observed, likely due to the presence of phenolic substances in pulp and seeds which are toxic to microorganisms (3,4).…”

Section: Ballesteros Et Almentioning

confidence: 94%

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Ethanol Production from Olive Oil Extraction Residue Pretreated with Hot Water

Ballesteros

Oliva

Negro

et al. 2002

Biotechnology for Fuels and Chemicals

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The olive pulp fraction contained in the residue generated in olive oil extraction by a two-step centrifugation process can be upgraded by using the cellulose fraction to produce ethanol and recovering high value phenols (tyrosol and hydroxytyrosol). Olive pulp was pretreated in a laboratory scale stirred autoclave at different temperatures (150-250°C). Pretreatment was evaluated regarding cellulose recovery, enzymatic hydrolysis effectiveness, ethanol production by a simultaneous saccharification and fermentation process (SSP), and phenols recovery in the filtrate. The pretreatment of olive pulp using water at temperatures between 200°C and 250°C enhanced enzymatic hydrolysis. Maximum ethanol production (11.9 giL) was obtained after pretreating pulp at 210°C in a SSP fed-batch procedure. Maximum hydroxytyrosol recovery was obtained in the liquid fraction when pretreated at 230°C.

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Section: Ballesteros Et Almentioning

confidence: 94%

“…Active cultures for inoculation were prepared by growing the organism on a rotary shaker at 150 rpm for 16 h at 42°C in a growth medium containing: 5 giL of yeast extract (Difco), 5 giL of peptone (Oxoid), 2 giL of NH 4 Cl, 1 giL of KH2P04, 0.3 giL of MgS04·7H 2 0, and 30 giL of glucose.…”

Section: Microorganisms and Growth Conditionsmentioning

confidence: 99%

Ethanol Production from Olive Oil Extraction Residue Pretreated with Hot Water

Ballesteros

Oliva

Negro

et al. 2002

Biotechnology for Fuels and Chemicals

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show abstract

“…Of particular note, is the fact that this waste has a chemical oxygen demand of approximately 230.000 ppm and a biological oxygen demand of approx. 150.000 ppm (Martinez, Garrido, Camacho, Garc ıa, & Ramos, 1993).…”

Section: Introductionmentioning

confidence: 98%

Use of ultrasonics for the composition assessment of olive mill wastewater (alpechin)

Benedito

Mulet

Clemente

et al. 2004

Food Research International

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“…Apart from white rot fungi, Aspergillu s spp. could be also used for the bioremediation of OMWWs with a removal rate of phenols of 44–52% and a reduction of COD up to 60% …”

Section: Introductionmentioning

confidence: 99%