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Pervez MN, Bilgiç B, Mahboubi A, Uwineza C, Zarra T, Belgiorno V, Naddeo V, Taherzadeh MJ. Double-stage membrane-assisted anaerobic digestion process intensification for production and recovery of volatile fatty acids from food waste. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 825:154084. [PMID: 35218831 DOI: 10.1016/j.scitotenv.2022.154084] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 02/17/2022] [Accepted: 02/18/2022] [Indexed: 06/14/2023]
Abstract
The potential of organic waste streams (i.e., food waste) for the sustainable production of precursor chemicals such as volatile fatty acids (VFAs) using anaerobic digestion (AD) has received significant attention in the present days. AD-derived VFAs have great market appeal if the challenges with their recovery and purification from the complex AD effluent is overcome. In this study, a microfiltration immersed membrane bioreactor (MBR) was used for the production of VFAs from food waste and simultaneously in-situ recovery of VFAs. The MBR set-up was applied for 98 days, with a maximum yield of 0.2 gVFA/gVSadded at an organic loading rate (OLR) of 4 g VS/L/d. The recovered permeate was then subjected to further purification using a side stream ultrafiltration unit. It was found that the removal rates of total solids (TS), total suspended solids (TSS), dissolved solids (DS), volatile solids (VS) and volatile suspended solids (VSS) were above 70-80% in both membranes (10 kDa and 50 kDa), and Phosphorus (P), Total Kjeldahl Nitrogen (TKN), chemical oxygen demand (COD), and NH4+-N were also removed partially. Particularly, VFAs concentration (above 6 g/L) was higher for 10 kDa at pH 5.4 in ultrafiltered solution and permeate flux decline was higher for 10 kDa at pH 5.4. These results are also supported by the measurement of UV-Vis spectra of the solution and visual appearance, providing a promising approach towards building a VFAs-based platform.
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Affiliation(s)
- Md Nahid Pervez
- Sanitary Environmental Engineering Division (SEED), Department of Civil Engineering, University of Salerno, via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy; Swedish Centre for Resource Recovery, University of Borås, 501 90 Borås, Sweden
| | - Begüm Bilgiç
- Swedish Centre for Resource Recovery, University of Borås, 501 90 Borås, Sweden; Department of Environmental Engineering, Istanbul Technical University, Maslak, 34469 Istanbul, Turkey.
| | - Amir Mahboubi
- Swedish Centre for Resource Recovery, University of Borås, 501 90 Borås, Sweden
| | - Clarisse Uwineza
- Swedish Centre for Resource Recovery, University of Borås, 501 90 Borås, Sweden
| | - Tiziano Zarra
- Sanitary Environmental Engineering Division (SEED), Department of Civil Engineering, University of Salerno, via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy
| | - Vincenzo Belgiorno
- Sanitary Environmental Engineering Division (SEED), Department of Civil Engineering, University of Salerno, via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy
| | - Vincenzo Naddeo
- Sanitary Environmental Engineering Division (SEED), Department of Civil Engineering, University of Salerno, via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy
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Dadashov S, Demirel E, Suvaci E. Tailoring microstructure of polysulfone membranes via novel hexagonal ZnO particles to achieve improved filtration performance. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120462] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Fahrenfeld N. Editorial: April 2021. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2021; 93:490. [PMID: 33723906 DOI: 10.1002/wer.1546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 02/26/2021] [Indexed: 06/12/2023]
Affiliation(s)
- Nicole Fahrenfeld
- Rutgers The State University of New Jersey, Civil & Environmental Engineering, Piscataway, NJ, USA
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