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Project start
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Project workpackages

Phase 1 of the F-CUBED Project

The work in this phase aimed to determine the chemical and physical properties of the wet organic streams and the optimal process conditions of the pilot plant

WE ARE READY FOR THE PILOT CAMPAIGNS !

LET US DESCRIBE THE WORK DONE IN PHASE 1 TO ENABLE PILOT TESTING IN THE F-CUBED PROJECT

  1. Representative samples of feedstock were delivered to TNO (Netherlands), where all the analysis in this stage was carried out. All selected feedstocks were characterized with standard fuel analysis and quantification of the organic content, which was necessary to evaluate processing and anaerobic digestibility. Involved partners: TNO, SWE, SKP, APPO, CFE, DELAFRUIT
  2. The selected feedstocks were tested under a range of hydrothermal reaction conditions to optimise the TORWASH reactor for the pilot testing. The parameters studied were dewaterability, solids settling, solid mass yield, and inorganics distribution between the solid and liquid phases after filtration. We paid special attention to Chlorine (Cl), Sodium (Na), Calcium (Ca) and Potassium (K), which are relevant for fuel quality and Nitrogen (N), Phosphorus (P) and Potassium (K), which are relevant for fertilizer applications. Involved partners: TNO
  3. The partners explored added-value products delivered by TORWASH, relevant to the specific industry.
    • Recycling P and N from paper sludge
    • Recovering low-grade oil from wet olive pomace
    • Recovering terpenes from orange peels.
    Involved partners: TNO, DELAFRUIT, APPO, CFE, SKP, SWE
  4. The optimal process conditions for the pilot TORWASH reactor and pilot filter press, as well as the type of auxiliary equipment needed was also determined. The filterability and dewaterability of the TORWASH effluent was tested at lab scale and at LIMF, varying parameters such as filter porosity and pressure.

Phase 2 of the F-Cubed Project.

Pilot testing has begun and the first stop on F-Cubed´s European tour is the Smurfit Kappa paper manufacturing plant in Sweden. Here the F-Cubed team will be scaling up their efforts to convert paper sludge into a viable bioenergy carrier.

Stay tuned for more reports and updates from the next phases of F-Cubed´s pilot testing from olive oil producers Appo in Italy and Delafruit in Spain.

Dewatering phase using the Limburg Filter filter press.
Torwash press cakes collected and stored.
The Pilot campaign in Italy
Waste Olive Pomace Treatment

WP3 - The pilot campaign in Italy

The long-duration test with the TORWASH® pilot plant was performed for 18 days, continuously operating for more than 300 hours. During the long-duration pilot test 8500 kg of TORWASH® effluent was produced with a very consistent and high dry matter content in the range of 57-60%.

 

Over 150 kg of TORWASH® press cake has been produced. This means that there is sufficient material for both the pelletizing of 100 TORWASH® pellets and for analysis by the consortium members.

 

Furthermore, throughout the entire long duration test the presence of oil in the TORWASH® effluent and on top of the membrane of Limburg Filter´s filter press was observed. Both the quantity and quality of this oil is being analysed. The presence of oil should influence the properties of the press cake and press water effluent which are also both currently under analysis.

 

The TORWASH® pilot plant was then dismounted and transported back to TNO´s biomass research facilities in Petten, Netherlands for maintenance prior to the next long-duration testing with orange peels at Delafruit in Spain for WP4.

 

The fantastic team of operators, members of TNO, LIMBURG FILTER, CA.RE. FOR. Engineering and APPO prepared for months for these activities and worked together to ensure a successful installation and operation.

 

Special thanks to WP3 leader Marco Ugolini from CA.RE FOR Engineering and to Gianvito Chimienti, the olive oil mill owner, for hosting and giving active support to the F-CUBED project.

 

(Photos and text courtesy of Marco Ugolini from CA.RE FOR Engineering).

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