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Hangri S, Derbal K, Policastro G, Panico A, Contestabile P, Pontoni L, Race M, Fabbricino M. Combining pretreatments and co-fermentation as successful approach to improve biohydrogen production from dairy cow manure. ENVIRONMENTAL RESEARCH 2024; 246:118118. [PMID: 38199469 DOI: 10.1016/j.envres.2024.118118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 01/02/2024] [Accepted: 01/04/2024] [Indexed: 01/12/2024]
Abstract
The present paper is focused on enhancing the production of biohydrogen (bioH2) from dairy cow manure (DCM) through dark fermentation (DF). Two enhancement production strategies have been tested: i) the combination of H2O2 with sonification as pretreatment and ii) the co-fermentation with cheese whey as co-substrate. Concerning the pretreatment, the best combination was investigated according to the response surface methodology (RSM) by varying H2O2 dosage between 0.0015 and 0.06 g/gTS and ultrasonic specific energy input (USEI) between 35.48 and 1419.36 J/gTS. The increase of carbohydrates concentration was used as target parameter. Results showed that the combination of 0.06 g/gTS of H2O2 with 1419.36 J/gTS of USEI maximized the concentration of carbohydrates. The optimized conditions were used to pretreat the substrate prior conducting DF tests. The use of pretreatment resulted in obtaining a cumulative bioH2 volume of 51.25 mL/L and enhanced the bioH2 production by 125% compared to the control test conducted using raw DCM. Moreover, the second strategy, i.e. co-fermentation with cheese whey (20% v/v) as co-substrate ended up to enhancing the DF performance as the bioH2 production reached a value of 334.90 mL/L with an increase of 1372% compared to the control DF test. To further improve the process, dark fermentation effluents (DFEs) were valorized via photo fermentation (PF), obtaining an additional hydrogen production aliquot.
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Affiliation(s)
- S Hangri
- Department of Process Engineering National Polytechnic School of Constantine, Algeria
| | - K Derbal
- Department of Process Engineering National Polytechnic School of Constantine, Algeria
| | - G Policastro
- Department of Engineering and Computer Science Telematic University, Pegaso, Italy.
| | - A Panico
- Department of Engineering, University of Campania "Luigi Vanvitelli", Italy.
| | - P Contestabile
- Department of Engineering, University of Campania "Luigi Vanvitelli", Italy
| | - L Pontoni
- Department of Civil, Architectural and Environmental Engineering, University of Naples Federico II, Italy
| | - M Race
- Department of Civil and Mechanical Engineering University of Cassino and Southern, Lazio, Italy
| | - M Fabbricino
- Department of Civil, Architectural and Environmental Engineering, University of Naples Federico II, Italy
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Lucia C, Laudicina VA, Badalucco L, Galati A, Palazzolo E, Torregrossa M, Viviani G, Corsino SF. Challenges and opportunities for citrus wastewater management and valorisation: A review. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 321:115924. [PMID: 36104880 DOI: 10.1016/j.jenvman.2022.115924] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 07/27/2022] [Accepted: 07/30/2022] [Indexed: 06/15/2023]
Abstract
Citrus wastewaters (CWWs) are by-products of the citrus fruit transformation process. Currently, more than 700 million of m³ of CWWs per year are produced worldwide. Until nowadays, the management of CWWs is based on a take-make-use-dispose model. Indeed, after being produced within a citrus processing industry, CWWs are subjected to treatment and then discharged into the environment. Now, the European Union is pushing towards a take-make-use-reuse management model, which suggests to provide for the minimization of residual pollutants simultaneously with their exploitation through a biorefinery concept. Indeed, the recovery of energy nutrients and other value-added products held by CWWs may promote environmental sustainability and close the nutrient cycles in line with the circular bio-economy perspective. Unfortunately, knowledge about the benefits and disadvantages of available technologies for the management and valorisation of CWWs are very fragmentary, thus not providing to the scientific community and stakeholders an appropriate approach. Moreover, available studies focus on a specific treatment/valorisation pathway of CWWs and an overall vision is still missing. This review aims to provide an integrated approach for the sustainable management of CWWs to be proposed to company managers and other stakeholders within the legislative boundaries and in line with the circular bio-economy perspective. To this aim, firstly, a concise analysis of citrus wastewater characteristics and the main current regulations on CWWs are reported and discussed. Then, the main technologies with a general comparison of their pros and cons, and alternative pathways for CWWs utilization are presented and discussed. Finally, a focus was paid to the economic feasibility of the solutions proposed to date relating to the recovery of the CWWs for the production of both value-added compounds and agricultural reuse. Based on literature analysis an integrated approach for a sustainable CWWs management is proposed. Such an approach suggests that after chemicals recovery by biorefinery, wastewaters should be directly used for crop irrigation if allowed by regulations or addressed to treatment plant. The latter way should be preferred when CWWs cannot be directly applied to soil due to lack of concomitance between CWWs production and crop needs. In such a way, treated wastewater should be reused after tertiary treatments for crop irrigation, whereas produced sludges should be undergone to dewatering treatment before being reused as organic amendment to improve soil fertility. Finally, this review invite European institutions and each Member State to promote common and specific legislations to overcome the fragmentation of the regulatory framework regarding CWWs reuse.
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Affiliation(s)
- Caterina Lucia
- Department of Agriculture, Food and Forest Sciences, University of Palermo, Viale delle Scienze, Building 4, 90128, Palermo, Italy
| | - Vito Armando Laudicina
- Department of Agriculture, Food and Forest Sciences, University of Palermo, Viale delle Scienze, Building 4, 90128, Palermo, Italy.
| | - Luigi Badalucco
- Department of Agriculture, Food and Forest Sciences, University of Palermo, Viale delle Scienze, Building 4, 90128, Palermo, Italy
| | - Antonino Galati
- Department of Agriculture, Food and Forest Sciences, University of Palermo, Viale delle Scienze, Building 4, 90128, Palermo, Italy
| | - Eristanna Palazzolo
- Department of Agriculture, Food and Forest Sciences, University of Palermo, Viale delle Scienze, Building 4, 90128, Palermo, Italy
| | - Michele Torregrossa
- Department of Engineering, University of Palermo, Viale delle Scienze, Building 8, 90128, Palermo, Italy
| | - Gaspare Viviani
- Department of Engineering, University of Palermo, Viale delle Scienze, Building 8, 90128, Palermo, Italy
| | - Santo Fabio Corsino
- Department of Engineering, University of Palermo, Viale delle Scienze, Building 8, 90128, Palermo, Italy
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Comprehensive utilisation of electro-activated whey-based media in cell growth, metabolite production and aroma compounds synthesis using a starter culture originated from kefir grains. Int Dairy J 2022. [DOI: 10.1016/j.idairyj.2021.105276] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Chen H, Wu J, Wang H, Zhou Y, Xiao B, Zhou L, Yu G, Yang M, Xiong Y, Wu S. Dark co-fermentation of rice straw and pig manure for biohydrogen production: effects of different inoculum pretreatments and substrate mixing ratio. ENVIRONMENTAL TECHNOLOGY 2021; 42:4539-4549. [PMID: 32529923 DOI: 10.1080/09593330.2020.1770340] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Accepted: 05/10/2020] [Indexed: 06/11/2023]
Abstract
Biohydrogen produced from agricultural waste through dark co-fermentation is an increasingly valuable source of renewable energy. Rice straw (RS) and pig manure (PM) are widely available waste products in Asia with complementary levels of carbon and nitrogen that together have a high biohydrogen production potential. However, no research has yet determined the ideal inoculum pretreatment method and mixing ratio for biohydrogen production using these resources. In this study, we tested biohydrogen production using three different inoculum pretreatment methods (acid, alkali and thermal) at five RS/PM ratios (1:0, 5:1, 3:1, 1:1 and 0:1, based on total solids). All three pretreatments promoted biohydrogen production with the increase of bioactivity of biohydrogen-producing organisms (compared with a control group), though acid was clearly superior to thermal or alkali. Using acid pretreatment and RS/PM ratio of 5:1 corresponded with a relatively low NH4+-N concentration (655.17 mg/L), a maximal cumulative biohydrogen production of 44.59 mL/g VSadded with a low methane production (<0.1%), a large butyric acid accumulation (1035.30 mg/L) and a biohydrogen conversion rate of 2.12%. The optimal pH for biohydrogen production from co-fermentation of RS and PM ranged from 5.0-5.5.
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Affiliation(s)
- Hong Chen
- Key Laboratory of Dongting Lake Aquatic Eco-Environmental Control and Restoration of Hunan Province, School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha, People's Republic of China
| | - Jun Wu
- Key Laboratory of Dongting Lake Aquatic Eco-Environmental Control and Restoration of Hunan Province, School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha, People's Republic of China
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Hong Wang
- Key Laboratory of Dongting Lake Aquatic Eco-Environmental Control and Restoration of Hunan Province, School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha, People's Republic of China
| | - Yaoyu Zhou
- College of Resources and Environment, Hunan Agricultural University, Changsha, People's Republic of China
- Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Kowloon, People's Republic of China
| | - Benyi Xiao
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, People's Republic of China
| | - Lu Zhou
- Key Laboratory of Dongting Lake Aquatic Eco-Environmental Control and Restoration of Hunan Province, School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha, People's Republic of China
| | - Guanlong Yu
- Key Laboratory of Dongting Lake Aquatic Eco-Environmental Control and Restoration of Hunan Province, School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha, People's Republic of China
| | - Min Yang
- School of Chemistry and Food Engineering, Changsha University of Science and Technology, Changsha, People's Republic of China
| | - Ying Xiong
- Key Laboratory of Dongting Lake Aquatic Eco-Environmental Control and Restoration of Hunan Province, School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha, People's Republic of China
| | - Sha Wu
- School of Chemistry and Food Engineering, Changsha University of Science and Technology, Changsha, People's Republic of China
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Sharma S, Basu S, Shetti NP, Kamali M, Walvekar P, Aminabhavi TM. Waste-to-energy nexus: A sustainable development. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 267:115501. [PMID: 32892013 DOI: 10.1016/j.envpol.2020.115501] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 08/01/2020] [Accepted: 08/20/2020] [Indexed: 06/11/2023]
Abstract
An upsurge in global population due to speedy urbanization and industrialization is facing significant challenges such as rising energy-demand, enormous waste-generation and environmental deterioration. The waste-to-energy nexus based on the 5R principle (Reduce, Reuse, Recycle, Recovery, and Restore) is of paramount importance in solving these Gordian knots. This review essentially concentrates on latest advancements in the field of 'simultaneous waste reduction and energy production' technologies. The waste-to-energy approaches (thermal and biochemical) for energy production from the agricultural residues are comprehensively discussed in terms environmental, techno-economic, and policy analysis. The review will assess the loopholes in order to come up with more sophisticated technologies that are not only eco-friendly and cost-effective, but also socially viable. The waste-to-energy nexus as a paradigm for sustainable development of restoring waste is critically discussed considering future advancement plans and agendas of the policy-makers.
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Affiliation(s)
- Surbhi Sharma
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala, 147004, India
| | - Soumen Basu
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala, 147004, India
| | - Nagaraj P Shetti
- Center for Electrochemical Science and Materials, Department of Chemistry, K.L.E. Institute of Technology, Hubballi, 580 027, Karnataka, India
| | - Mohammadreza Kamali
- KU Leuven, Department of Chemical Engineering, Process and Environmental Technology Lab, J. De Nayerlaan 5, 2860, Sint-Katelijne-Waver, Belgium
| | - Pavan Walvekar
- Department of Pharmaceutical Engineering, SET's College of Pharmacy, Dharwad, 580 002, Karnataka, India
| | - Tejraj M Aminabhavi
- Department of Pharmaceutical Engineering, SET's College of Pharmacy, Dharwad, 580 002, Karnataka, India.
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Islam MA, Karim A, Mishra P, Dubowski JJ, Yousuf A, Sarmin S, Khan MMR. Microbial synergistic interactions enhanced power generation in co-culture driven microbial fuel cell. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 738:140138. [PMID: 32806344 DOI: 10.1016/j.scitotenv.2020.140138] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 06/08/2020] [Accepted: 06/09/2020] [Indexed: 06/11/2023]
Abstract
An understanding of the inter-species relationships, especially their metabolic network in a mixed-culture system, is crucial to design an effective inoculum for enhancing the power generation of wastewater fed microbial fuel cell (MFC). In the present study, the influence of microbial mutualistic interactions on the power generation of palm oil mill effluent fed MFCs has been widely investigated by designing several co-culture and mixed culture inoculums. Among the different inoculum compositions, the highest power density of 14.8 W/m3 was achieved by Pseudomonas aeruginosa and Klebsiella variicola co-culture inoculum due to their synergistic relationships which were inter-linked via fermentation-based metabolites. Besides, the interaction of K. variicola and Bacillus cereus positively influenced the power generation resulting in a maximum power density of 11.8 W/m3 whereas the antagonistic relationship between B. cereus and P. aeruginosa resulted in a lower power generation of 1.9 W/m3. The microbial mutualistic interactions were investigated with polarization, cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), as well as by using metabolite and biofilm analysis. It was observed that the synergism between bacteria enhanced power generation through the production of higher electron shuttling mediators and efficient biofilm formation as evidenced by polarization, CV and EIS analysis. In contrast, the antagonistic relationship resulted in production of cell inhibiting metabolites leading to the formation of ineffective biofilm. These findings demonstrate that the synergistic interaction between or within microorganisms is emergent in designing co-culture or mixed-culture inoculum for achieving maximum power generation in MFCs.
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Affiliation(s)
- M Amirul Islam
- Interdisciplinary Institute for Technological Innovation (3IT), CNRS UMI-3463, Laboratory for Quantum Semiconductors and Photon-based BioNanotechnology, Department of Electrical and Computer Engineering, Université de Sherbrooke, 3000, boul. de l'Université, Sherbrooke, Québec J1K 0A5, Canada; Department of Chemical Engineering, College of Engineering, Universiti Malaysia Pahang, Gambang 26300, Pahang, Malaysia; Centre of Excellence for Advancement Research Fluid Flow (CARIFF), Universiti Malaysia Pahang, 26300 Kuantan, Pahang, Malaysia
| | - Ahasanul Karim
- Faculty of Engineering Technology, Universiti Malaysia Pahang, 26300 Kuantan, Pahang, Malaysia
| | - Puranjan Mishra
- Faculty of Engineering Technology, Universiti Malaysia Pahang, 26300 Kuantan, Pahang, Malaysia
| | - Jan J Dubowski
- Interdisciplinary Institute for Technological Innovation (3IT), CNRS UMI-3463, Laboratory for Quantum Semiconductors and Photon-based BioNanotechnology, Department of Electrical and Computer Engineering, Université de Sherbrooke, 3000, boul. de l'Université, Sherbrooke, Québec J1K 0A5, Canada
| | - Abu Yousuf
- Department of Chemical Engineering and Polymer Science, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh
| | - Sumaya Sarmin
- Department of Chemical Engineering, College of Engineering, Universiti Malaysia Pahang, Gambang 26300, Pahang, Malaysia
| | - Md Maksudur Rahman Khan
- Department of Chemical Engineering, College of Engineering, Universiti Malaysia Pahang, Gambang 26300, Pahang, Malaysia; Centre of Excellence for Advancement Research Fluid Flow (CARIFF), Universiti Malaysia Pahang, 26300 Kuantan, Pahang, Malaysia.
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Gavahian M, Tiwari BK. Moderate electric fields and ohmic heating as promising fermentation tools. INNOV FOOD SCI EMERG 2020. [DOI: 10.1016/j.ifset.2020.102422] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Sharma S, Basu S, Shetti NP, Aminabhavi TM. Waste-to-energy nexus for circular economy and environmental protection: Recent trends in hydrogen energy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 713:136633. [PMID: 32019020 DOI: 10.1016/j.scitotenv.2020.136633] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 12/20/2019] [Accepted: 01/09/2020] [Indexed: 05/06/2023]
Abstract
The energy demand has increased exponentially worldwide owing to the continuously growing population and urbanization. The conventional fossil fuels are unable to satiate this requirement causing price inflation and significant environmental damage due to unrestrained emission of greenhouse gases. The focus now has shifted towards alternative, economical, renewable and green sources of energy such as hydrogen to deal with this bottle-neck. Hydrogen is a clean energy-source having high energy content (122 kJ/g). Recently, biological methods for the hydrogen production have attracted much attention because traditional methods are expensive, energy-exhaustive and not eco-friendly. The employment of biological methods promises utilization of waste or low-value materials for producing energy and building waste-to-energy nexus. Around 94% of the waste is discarded precariously in India and waste generation is growing at an alarming rate of 1.3% per year. The "waste-to-energy" techniques follow 'Reuse, Reduce, Recycle, Recovery and Reclamation' system solving three subjects at once; waste-management, energy-demand and environmental concern. Moreover, these methods have easy operability, cost-effectiveness and they help to shift from linear to circular model of economy for sustainable development. Biological processing of waste materials like agricultural discard (lignocellulosic biomass), food-waste and industrial discharge can be used for biohydrogen production. Dark and photo fermentation are the chief biological processes for the transformation of organic substrates to hydrogen. Dark fermentation is the acidogenic fermentation of carbohydrate-rich materials without light and oxygen. Clostridia, Enterobacter and Bacillus spp. are appropriate heterotrophic bacteria for dark fermentation. Various pretreatment methods like heat treatment, acid or base treatment, ultrasonication, aeration, electroporation, etc., can be applied on inoculums to increase H2 producing bacteria eventually improving the hydrogen yield. However, only around 33% of COD in organic materials is transformed to H2 by this method. Photofermentation by the photosynthetic non-sulfur bacteria (PNS) converts organic substrate to H2 and CO2 in the presence of nitrogenase enzyme in ammonium-limited and anoxygenic conditions. Rhodobacter or Rhodopseudomonas strains have been widely examined in this regard. But these methods are only able to produce H2 with a poor yield. Combining dark and photofermentation is a noteworthy alternative for procuring enhanced hydrogen yields. Two-stage sequential method utilizes volatile fatty acids accumulated as byproducts after dark fermentation (in the first stage) for photofermentation by suitable bacteria (in the second stage). A proper investigation of the dark fermenter effluents is required before using them as a substrate for photo-fermentation. In a single-stage dark and photofermentation, co-culture of anaerobic and PNS bacteria in a single reactor is carried out for obtaining improved yield. The single stage system is comparatively inexpensive and less laborious; moreover, a limited requirement for an intermediate dilution stage is necessary. Economic analysis of hydrogen production showed that H2 production by the present methods, save pyrolysis, is reasonably higher than the conventional approaches of fuel production. Probable routes to make H2 production more cost-effective are reducing the cost of photobioreactor, installing proper storage system, etc. A constructive effort in the area of research and development of biological approaches of H2 production technologies is vital. The commercial viability of biohydrogen production is imperative for accomplishment of circular economy system and sustainable development.
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Affiliation(s)
- Surbhi Sharma
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala 147004, India
| | - Soumen Basu
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala 147004, India.
| | - Nagaraj P Shetti
- Center for Electrochemical Science and Materials, Department of Chemistry, K.L.E. Institute of Technology, Hubballi 580 030, Karnataka, India.
| | - Tejraj M Aminabhavi
- Pharmaceutical Engineering, SET's of Pharmacy, Dharwad 580 002, Karnataka, India
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Cheng CK, Rahman Khan MM, Rasid RA, Setiabudi HD. 2018 International Conference of Chemical Engineering and Industrial Biotechnology (ICCEIB) Preface. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.8b06249] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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