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Valorisation of olive mill effluentsby recovering high added value bio-products
RE-WASTE: a demonstrative project for the valorization of olive oil industry by-products
Elena DE MARCO CRIOL - Industria Olearia Biagio Mataluni srl (Italy)
OLIVE MILL WASTEWATER
Olive mill wastewater(3 phases)
Limits for the discharge in the sewage system
pH 4-5 5.5-9.5
COD 45.000-220.000 mg l-1 500 mg l-1
BOD5 35.000-100.000 mg l-1 250 mg l-1
Phenols 3000-10000 mg l-1 1 mg l-1
the problemthe problem
High concentration in compounds recalcitrant to the biologicaldegradation: lignin, tannins, long chain fatty acids and phenoliccompounds.
Difficult biological degradation.
Lack of treatment processes technically and economically sustainable.
Several physical, chemical and biological processes have been tested forthe treatment of olive mill wastewater, such as evaporation, sedimentation, filtration, centrifugation, composting, anaerobicaldigestion, oxidation, but none of them proved able to reduce the organicload and the toxicity of the effluent to accptable levels.
OLIVE MILL WASTEWATER
the problemthe problem
Lack of appropriate technologies for the treatment of olive mill wastewater
The majority of olive mill wastewater in the Mediterranean basin is discharged directly in the sewage system or in watercourses or concentrated in basins or spread on the soilwithout control
Problems of phytotoxicity, bad odors, proliferationof insects, contamination of the groundwater, increase of the soil salinity and reduction of the soil permeability
The most diffused solution is: spreading on agricultural soil
Logistic difficultiesDifficulties to find suitable soilsConjuction with the most rainy periodof the year
Treatment witheco-sustainable technologies
SOURCE OF NATURAL COMPOUNDS WITH
BIOLOGICAL ACTIVITY
WASTE TO BE DISPOSED OF
BIOACTIVITY HYDROXYTYROSOL VERBASCOSIDE OLEUROPEIN RUTIN CAFFEIC ACID
Antioxidant
Cardioprotective
Antiatherogenic
Chemopreventive
Antimicrobial
Anti-inflammatory
Skin bleaching
Antihypertensive
FENILALCOLI E DERIVATI FENILALCOLI E DERIVATI ((idrossitirosoloidrossitirosolo, , tirosolotirosolo, , idrossitirosoloidrossitirosolo glucoside,glucoside,……))
FLAVONOIDIFLAVONOIDI
(Rutina, luteolina 7(Rutina, luteolina 7--glucosideglucoside…….).)
ACIDI CINNAMICI E FENIL PROPANOIDI ACIDI CINNAMICI E FENIL PROPANOIDI DERIVATIDERIVATI(Acido (Acido caffeicocaffeico, acido p, acido p--cumarico, cumarico, verbascosideverbascoside, , bb--
idrossiacteosideidrossiacteoside,,……))
SECOIRIDOIDI DERIVATISECOIRIDOIDI DERIVATI((oleuropeinaoleuropeina, esteri del , esteri del secologanosidesecologanoside,,……))
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mV
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Detector A Ch2:320nm Detector A Ch1:279nm
FENILALCOLI E DERIVATI FENILALCOLI E DERIVATI ((idrossitirosoloidrossitirosolo, , tirosolotirosolo, , idrossitirosoloidrossitirosolo glucoside,glucoside,……))
FLAVONOIDIFLAVONOIDI
(Rutina, luteolina 7(Rutina, luteolina 7--glucosideglucoside…….).)
ACIDI CINNAMICI E FENIL PROPANOIDI ACIDI CINNAMICI E FENIL PROPANOIDI DERIVATIDERIVATI(Acido (Acido caffeicocaffeico, acido p, acido p--cumarico, cumarico, verbascosideverbascoside, , bb--
idrossiacteosideidrossiacteoside,,……))
SECOIRIDOIDI DERIVATISECOIRIDOIDI DERIVATI((oleuropeinaoleuropeina, esteri del , esteri del secologanosidesecologanoside,,……))
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100
150
200
250
300
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450
500
mV
0
10
20
30
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%
Detector A Ch2:320nm Detector A Ch1:279nm
0 10 20 30 40 min
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100
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200
250
300
350
400
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mV
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Detector A Ch2:320nm Detector A Ch1:279nm
Olive mill wastewater: source of phenoli compoundswith biological activity
Oleifici Mataluni are among the biggest oil industrial complexes in the world.
The industrial factory comprises all the phases of the production process: olive oil mill, refinery, packaging in glass, PET and tinplate, production of PET bottles, closures, cardboardboxes and labels.
With about 200 employees, a modern factory which cover 160.000 m2, tri-generation and photovoltaic plants, a quality control laboratory and a research centre, it is among the mainproducers of food oils at international level.
The CRIOL was funded in 2004. The idea comesfrom the R&D needs of Oleifici Mataluni and fromthe collaboration with Department of Food Scienceof University of Naples Federico II.
The Research Centre for Olive Oil Industry(CRIOL) of Oleifici Mataluni
PackagingPackaging Valorization of by-products
Valorization of by-products Functional oilsFunctional oilsInteraction
oil-foodInteraction
oil-foodTraining and disseminationTraining and dissemination
Oil nutritionaland sensoryproperties
Oil nutritionaland sensoryproperties
The research lines of the CRIOL
PILOT PLANT OF MEMBRANE TANGENTIAL FILTRATION
Project“Quality Control and Technological
Innovation in the Oil Industry”2005-2008
(financed by the Italian Ministry of University and Research)
Università degli Studi di Napoli Federico IIDipartimento di Scienza degli Alimenti
Università degli Studi di FirenzeDipartimento di Scienze Farmaceutiche
CMF CUF COI
POI
6 %6 %
MF UF OI
AVAV1075 L
67 L 78 L 135 L
795 L
7 %7 % 13 %13 %
74 %74 %CMF CUF COI
POI
6 %6 %
MF UF OI
AVAV1075 L
67 L 78 L 135 L
795 L
7 %7 % 13 %13 %
74 %74 %CMF CUF COI
POI
7 %7 %
MF UF OI
AVAV428 g
28 g 10 g 374 g
6 g
2 %2 % 87 %87 %
1 %1 %
Recovery of water Recovery of biophenols
Phenolicfraction
Olive millwastewater
Purifiedwater
Re-use in industrial processes
Powder phenolicextract
Functionalfood
LIFE Plus: the Financial Instrument for the Environment
The LIFE programme is the EU’s funding instrument for the environment. The general objective of LIFE is to contribute to the implementation, updatingand development of EU environmental policy and legislation by co-financingpilot or demonstration projects with European added value.
demonstrative projectsdiffusion of the results – dissemination activities
Research and experimental development
Application of the results on real scale
The current phase of the programme, LIFE+, runs from 2007-2013 and hasa budget of € 2.143 billion. The legal basis for LIFE+ is the Regulation (EC) No 614/2007.
During the period 2007-2013, the European Commissionwill launch one call for LIFE+ project proposals per year.
Programme’s three components:
1. LIFE+ “Nature and Biodiversity”
2. LIFE+ “Environment Policy and Governance”
3. LIFE+ “Information and Communication”
LIFE+ “Environment Policy and Governance”
Innovation: climate change
water
air
soil
urban environment
noise
chemicals
environment and health
natural resources and wastes
It will co-finance innovative or pilot projects that contribute to the implementation of European environmental policy and the developmentof innovative policy ideas, technologies, methods and instruments. It willalso help monitor pressures on our environment.
a. technological innovation
b. Innovation in processes and methods,
c. economic and commercial innovation
Main areas:
http://ec.europa.eu/environment/life/funding/lifeplus.htm
Project RE-WASTE«Recovery, recycling, resource.
Valorisation of olive mill effluentsby recovering high added value bio-products»
January 2009 - June 2012
Industria Olearia Biagio Mataluni s.r.l.
Euroimpresa S.p.A.
Parco Scientifico e Tecnologico di Salerno e delle Aree Interne della Campania
Centro Tecnológico Nacional de la Conserva y Alimentación(Murcia, Spagna)
PROJECT PARTNERS
Show to Italian and European olive oil industry operators, by means of a demonstration plant, an innovative and clean technology to dispose and valorise olive mill effluents, in the respect of the existing environmental laws and with economic profit;
Disseminate among olive oil industry operators and public bodies the concept that olive mill wastewaters may be seen as a valuable source of natural molecules with biological activity, of alternative energy (biogas) and water;
Promote the high added value natural extracts with biological activity, obtained from OMWW treatment, among all the possible users (food, cosmetic and animal feed industries);
Make known to olive oil industry operators the economic budget of the process;
Transfer know-how from researchers to industry operators, in order to enable olive industries to apply the proposed technology;
Evaluate the possibility to use the proposed technology to treat other agro-industrial wastes in order to eliminate their polluting load and recover from them high added value bio-molecules.
OBJECTIVES:OBJECTIVES:
; ;
DEMONSTRATIVE PLANTDEMONSTRATIVE PLANTPre-treatment (flocculation, centrifugation, filtration);Membrane tangential filtration (ultrafiltration, nanofiltration, reverse osmosis);Purification of the phenolic extracts on adsorbent resin;Anaerobic digestion.
Olive mill wastewater
Purified water Phenolic antioxidant extracts Biogas
PRE-TREATMENT
OMWW
MEMBRANE UNITS
ORGANIC FRACTIONS WITHOUT PHENOLIC COMPOUNDS PURIFIED WATER
PURIFICATION BY CHROMATOGRAPHIC TECHNIQUESANAEROBIC DIGESTION
BIOGAS PHENOLIC EXTRACTS
CONCENTRATE FRACTIONS RICHIN PHENOLIC COMPOUNDS
2009
Design of the demonstrativeplant
2010
Installation of the plant
2010/2011
The first experimentalcampaign
Control of the process effectivenessControl of the process effectiveness
Characterization of the initial olive mill wastewater (COD, phenolic
compounds, solids, oil content);
Effectiveness of the pre-treatment in removing oil and solids;
Recovery of water;
Characterization of the purified water;
Characterization of the phenolic extracts;
Consumption of chemicals.
Direct benefits (selling price of the products obtained, production of biogas) and indirect benefits (recovery of water, costs avoided for the disposal of the olive mill effluents).
Direct benefits (selling price of the products obtained, production of biogas) and indirect benefits (recovery of water, costs avoided for the disposal of the olive mill effluents).
Direct and indirect costs of the process (plant depreciation, consumption of energy, chemicals, membranes, adsorbent polymer, employment of personnel, …).
Direct and indirect costs of the process (plant depreciation, consumption of energy, chemicals, membranes, adsorbent polymer, employment of personnel, …).
COST-BENEFIT ANALYSISCOST-BENEFIT ANALYSIS
in progress …
2011
Demonstration of the technologyand dissemination of the results
2011
Demonstration of the technologyand dissemination of the results
Dissemination of the project in SpainDissemination of the project in Spain• Publications
• Meetings
• Seminars
www.re-wasteproject.itwww.re-wasteproject.it
Project brochures
Downloadable from the project website