Valorization of Fermented Municipal Biowaste as Source of Value Added Chemical Specialities and I ntermediates . Enzo Montoneri, Gloria Fabbri, Michele Negre, Valter Boero Università di Torino, Dipartimento di S cienze Agrarie, Forestali e Alimentari, Largo P . Braccini 2, 10095 Grugliasco (TO), Italy Tel. + 393 333 3500522 Email: enzo.montoneri@gmail.com LIFECAB project. Coodinator: Hysytec (I). Associated Beneficiaries: ACEA Pinerolese Industriale S.p.A. (I), Agricultural University of Athens (GR), Cyprus University of Technology (CY), Organohumiki Thrakis (GR), POOL.ITI (I), Sewerage Board of Limassol – Amathus (CY), Università Degli Studi Di Torino (I). Naxos 6 t h Int Conf S ust ainable S olid Wast e Management Enzo Montoneri, Technical Manager
MBW feedstock, Processes and Products: I ntegration of Biochemical and Chemical Processes detergent detergent formulations formulations nanostractured nanostractured materials materials Washed in presence Washed in presence of SBO of SBO Textile Textile Soluble Bio- Soluble Bio- - - Soluble Bio Soluble Bio Organics (SBO) Organics (SBO) Organics (SBO) Organics (SBO) auxiliaries auxiliaries Fertilizers Fertilizers Fuels Fuels Animal Animal husbandry husbandry Plastic Plastic photo ‐ sensitizers photo ‐ sensitizers Emulsifiers Emulsifiers Foaming agents Foaming agents Naxos 6 th Int Conf S ustainable S olid Waste Management Enzo Montoneri, Technical Manager
Virtual representation of SBO: mixtures of molecules with different molecular weight (35- 400 kDa) and different content of C types and functional groups bonded to mineral elements. Naxos 6 th Int Conf S ustainable S olid Waste Management Enzo Montoneri, Technical Manager
Problems Technological transfer of experimental to industrial and commercial scale difficult: SBO new products, not known in the market. Need market and regulatory assessment. Entrapeneurial risk. Solution based on virtuous biowaste cycle: SBO assisted anerobic fermentation process SBO obtained from compost are added at 0,1 % in anaerobic fermentation slurry feed to yield digestate with reduce ammonia content, without affecting the biogas yield and quality. LI FECAB objective: Demonstrate in real operational environment the following processes Organic humid fraction (OHF) biogas + digestate compost SBO OHF + SBO (0,05-2 %) 4 % more biogas + no ammonia production N org Key actions 1. Fabricate hydrolysis prototype (HP) with 50 t/ yr SBO production capacity 2. I nstall HP in the Acea MBW treatment plant (Pinerolo, I taly) 3. Validate the SBO assisted anaerobic fermentation process using one of the two OHF fermentation reactors of 2600 m 3 capacity as control and the second for the SBO tratment 4. Replicate the SBO assisted fermentation process in Greece and Cyprus using local biowastes Naxos 6 th Int Conf S ustainable S olid Waste Management Enzo Montoneri, Technical Manager
Recycling Renewable C over Urban, Agriculture and I ndustrial Environment Naxos 6 th Int Conf S ustainable S olid Waste Management Enzo Montoneri, Technical Manager
Recent Developments. SBO Oxidation: 80,0 Molecular Weight Distribution of SBO and 70,0 CVD SBOox oxidized products 60,0 50,0 Weight % 60,0 40,0 50,0 30,0 40,0 20,0 S BO Weight % 10,0 30,0 0,0 R35 R20 R5 R0.2 P0.2 INS 20,0 4 ore 8 ore 16 ore 32 ore 48 ore 80,0 10,0 70,0 0,0 60,0 R 750 R 150 R 100 R 50 R 30 R 20 R 5 R 0.2 P 0.2 FORSUD SBOox Weight % 50,0 SBO CVD SBO FORSUD 40,0 30,0 longer oxidation time lower molecular weight 20,0 products (hydroxy acids monomers and 10,0 oligomers) 0,0 R35 R20 R5 R0.2 P0.2 INS 4h 8h 16h 32h 48h 64h Naxos 6 t h Int Conf S ust ainable S olid Wast e Management Enzo Montoneri, Technical Manager
Recent Developments. SBO Oxidation: Colour of 35 fractions at 2 g/ L in water CVD SBO (A) and SBOoz at 4 (B), 8 (C), 16 (D), 32 (E), 48 (F) h oxidation time A B C D E F FORSUD SBO (A) and SBOoz at 4 (B), 8 (C), 16 (D), 32 (E), 48 (F) h oxidation time A B C D E F Naxos 6 t h Int Conf S ust ainable S olid Wast e Management Enzo Montoneri, Technical Manager longer oxidation time more bleaching
Recent Developments. SBO Oxidation: Surface tension of > 35 kDa fractions at 2 g/ L in water 80 70 Surface pressure, mN m -1 60 50 40 30 20 10 0 non oz* 4 h 8 h 16 h 32 h 48 h SOS CV SOS FORSUD longer oxidation time lower surface tension for FORSUD SBOox FORSUD SBOox better surfactant than CVD SBOox Products with < 30 kDa molecular weight have no surface activity, but are potential platform molecules for the synthesis of poly hydroxy alkanoates Naxos 6 t h Int Conf S ust ainable S olid Wast e Management Enzo Montoneri, Technical Manager
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