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Open call for a virgin olive oil industrial producer in Spain to test new technology

Phenoils consortium and EPS in particular are looking for an italian industrial oil mill to carry out an industrial trial during the season 2022-2023 at industrial scale for testing ultrasounds and ultrasound combined with pulsed electric fields to increase phenols composition and yield in the evoos.

30 Jun 2022
EIT Food South

Subject of the call

Within the EIT FOOD project - PHENOILS (New technologies implementation in RIS regions' olive oil mills for healthier olive oil extraction), launches this request in search of an Italian collaborative Oil mill for an Industrial Scale test on the new technology, Ultrasounds and combination of Ultrasounds and Pulsed Electric Fields to improve the extraction and quality of virgin olive oils to produce an Extra Virgin Olive Oil of superior quality.

Description of Ultrasounds technology needs:

  • Four ultrasonic flow reactors (Internal volume of the reactor 331 ml)
  • Four CAA-GP-1 ultrasonic generators, maximum power 1000 W
  • 4 laptops with specific software installed on PC

Frequency 22 kHz, mean power 600 W (for each reactor), residence time 3.2 sec for each US reactor.

Description of Pulsed Electric Fields technology requires:

  • The equipment to be tested (EPULSUS® by EPS) has an output power of 9kW. This output power corresponds to a capacity around 6-7 ton/h of olives (kneading line not exceeding 200 ton/day).
  • The technology (Pulsed electric fields, PEF) is based on solid-state Marx Modulator and generates bipolar or monopolar pulses for PEF treatment.
  • Specification of the equipment: output maximum voltage of 20000 V; maximum current of 300A; pulse width (2 to 200 microseconds) and pulse frequency (1 to 200 Hz) can be adjusted according to the necessary energy delivered during the treatment.
  • Electrical input for one equipment: 400 Vac, 3PH+N, 50/60Hz; 15A @400Vac.
  • The equipment has IP54. Cooling is made with forced air.
  • The continuous treatment will be applied on 1 treatment chamber installed in line with the olive processing line. The treatment chamber is DN50 and is enclosed in a safety box during operation.
  • The position of the treatment chambers can be defined together with the oil mill but should be preferentially install between milling and the malaxation steps.Treatment time (residence time) is below 1 second. This value will depend on flow rate and PEF parameters optimization.

Eligible applicants

The test must be carried out in an industrial oil mill located in Spain, which has the capacity to grind 150 tons / 24 hours, and which has more than one 1st extraction line to be able to carry out a comparative test with the same olives.

The oil mills that could accede to this call should meet the following criteria:

  • Spanish Industrial Oil Mill
  • Interested and open for the realization of a comparative test between the traditional system (kneading, malaxation and centrifugation) and the PEF integrated treatment (kneading, pulse electric fields, beating and entrifugation), with the aim of analyzing the improvement of production and quality in the EVOOs produced by both methods. Three processing lines of 80.000kg/per hour.
  • Three receiving hoppers with 25.000 kg capacity.
  • Two first extraction decanters of 300.000kg capacity each one and one seconextraction decanter of 600.000kg capacity.
  • Storage total capacity of 600.000kg.
  • Producer of Picual EVOO
  • R&D team to give support to the trials
  • Laboratory to analyse in continuous the yield extraction results in Soxhlet and NIR.

For more information on the Phenoils project, in which 3 new extraction techniques are being studied for improving the natural antioxidant content of extra virgin olive oils, you can consult the website.

Scope of work

The tasks of the facilitator include:

To can make the trials for 2 days under stable conditions

To analyse in continuous the yield extraction results in Soxhlet and NIR

To let technicians of EPS to be present in the trials

With respect to the chemical characterization, small quantities of the produced virgin olive oil obtained with the different trials should be provided to EPS to make all the quality analyses.

Selection criteria

  • Olive oil producer
  • Location. Spain
  • Producer of Picual EVOO
  • Interested and open for the realization of a comparative test between the traditional system (kneading, malaxation and centrifugation) and the PEF integrated treatment (kneading, pulse electric fields, beating and centrifugation), with the aim of analysing the improvement of production and quality in the EVOOs produced by both methods.
  • Three processing lines of 80.000kg/per hour.
  • Three receiving hoppers with 25.000 kg capacity.
  • Two first extraction decanters of 300.000kg capacity each one and one second extraction decanter of 600.000kg capacity.
  • Storage total capacity of 600.000kg.
  • R&D team to give support to the trials
  • Laboratory to analyse in continuous the yield extraction results in Soxhlet and NIR

Timeline

The trial must be carried out from October 1, 2022, to November 15, 2022. The company EPS would be responsible for the completion of all tests during the entire time of the same, which is estimated to be 2 days, with the sampling of the EVOOs and production control of both processes. On the part of the industrial mill, only the arrangement of the installations and the olive to be processed will be required, being the EPS company the responsible for the installation and uninstallation of the Pulse Electric fields equipment to be tested.

Budget

The industrial test, which will be entirely free, should be carried out by November 2022, during the development of the new oil campaign 2022-2023 and will always count with the technical support of the heads of the company EPS (EnergyPulse Systems), a company responsible for the development of technology.

Selection process

The open call will be published from June 15, 2022, until September 15, 2022, after which the collaborating oil mill will be selected. For more information on the Phenoils project, in which 3 new extraction techniques are being studied for improving the natural antioxidant content of extra virgin olive oils, you can consult the website.

For the accession of your mill to the realization of this industrial test, we appreciate you contacting the project consortium through one of these people:

  • Duarte Rego: duarte.rego@energypulsesystems.com
  • Marcos Pereira: marcos.pereira@energypulsesystems.com
  • Herminia Millán: hmillan@ofadeconsulting.com
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