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Di Rauso Simeone G, Scala G, Scarpato M, Rao MA. Response of chemical and biochemical soil properties to the spreading of biochar-based treated olive mill wastewater. Heliyon 2024; 10:e31157. [PMID: 38813145 PMCID: PMC11133665 DOI: 10.1016/j.heliyon.2024.e31157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 05/10/2024] [Accepted: 05/10/2024] [Indexed: 05/31/2024] Open
Abstract
Despite the polluting potential olive mill wastewater (OMW) can be a useful source of nutrients and organic compounds to improve soil properties. The aim of this paper was to verify if biochar-based treatment of OMW could be an efficient method to contrast the richness in phenolic compounds and phytotoxicity of OMW making it more suitable. for soil amendment. In this study poplar biochar (BP) was more effective than conifer biochar (BC) in terms of adsorbing phenols and reducing phytotoxicity at different biochar rates (5 and 10 %). In soil amendment BP-treated OMW induced an increase of organic carbon by approximately 15 % and notably BP10 treated OMW enhanced available phosphorous by 25 % after 30 days of incubation. In soil amended with 10 % BP-treated OMW microbial biomass and enzymatic activities were significantly enhanced after 30 and 90 days, with no effect on cress seed germination. Therefore, biochar based-treatment could be cost-effective and able to facilitate the long-term management of OMW in terms of storage and disposal.
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Affiliation(s)
- Giuseppe Di Rauso Simeone
- Department of Agricultural Sciences, University of Naples Federico II, via Università 100, 80055 Portici, Italy
| | - Giuseppina Scala
- Department of Agricultural Sciences, University of Naples Federico II, via Università 100, 80055 Portici, Italy
| | - Marcello Scarpato
- Department of Agricultural Sciences, University of Naples Federico II, via Università 100, 80055 Portici, Italy
| | - Maria A. Rao
- Department of Agricultural Sciences, University of Naples Federico II, via Università 100, 80055 Portici, Italy
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2
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Di Rauso Simeone G, Scala G, Scarpato M, Rao MA. Response of chemical and biochemical soil properties to the spreading of biochar-based treated olive mill wastewater. Heliyon 2023; 9:e22894. [PMID: 38125515 PMCID: PMC10730756 DOI: 10.1016/j.heliyon.2023.e22894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 10/17/2023] [Accepted: 11/22/2023] [Indexed: 12/23/2023] Open
Abstract
Olive mill wastewater (OMW) is the effluent derived from the oil extraction processes from olives. Despite the polluting potential OMW can be a useful source of nutrients and organic compounds to improve soil properties. OMW could negatively affect soil and water quality as this waste is rich in phenolic compounds and has high COD and BOD5. Biochar-based treatment could be an efficient method to remediate OMW. In this study poplar biochar (BP) was more effective than conifer biochar (BC) in terms of adsorbing phenols and reducing phytotoxicity at different biochar rates (5 and 10 %). BP-treated OMW was used in soil amendment and induced an increase in chemical properties, especially in organic carbon after 30 days of incubation. In soil amended with 10 % BP-treated OMW microbial biomass, enzymatic activities, and cress seed germination were significantly enhanced after 30 and 90 days.
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Affiliation(s)
- Giuseppe Di Rauso Simeone
- Department of Agricultural Sciences, University of Naples Federico II, via Università 100, 80055, Portici, Italy
| | - Giuseppina Scala
- Department of Agricultural Sciences, University of Naples Federico II, via Università 100, 80055, Portici, Italy
| | - Marcello Scarpato
- Department of Agricultural Sciences, University of Naples Federico II, via Università 100, 80055, Portici, Italy
| | - Maria A. Rao
- Department of Agricultural Sciences, University of Naples Federico II, via Università 100, 80055, Portici, Italy
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3
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Baroud TN. Tuning PVDF Membrane Porosity and Wettability Resistance via Varying Substrate Morphology for the Desalination of Highly Saline Water. MEMBRANES 2023; 13:395. [PMID: 37103822 PMCID: PMC10141797 DOI: 10.3390/membranes13040395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 03/13/2023] [Accepted: 03/29/2023] [Indexed: 06/19/2023]
Abstract
Here, we report the fabrication of a series of highly efficient polyvinylidene fluoride (PVDF) membranes via substrate morphology variations. A wide range of sandpaper grit sizes (150-1200) were utilized as casting substrates. The effect of the penetration of abrasive particles present on the sandpapers on the casted polymer solution was tuned, and the impact of these particles on porosity, surface wettability, liquid entry pressure and morphology were investigated. The membrane distillation performance of the developed membrane on sandpapers was evaluated for the desalination of highly saline water (70,000 ppm). Interestingly, the utilization of cheap and widely available sandpapers as a substrate for casting can not only help in tuning the MD performance, but also in producing highly efficient membranes with stable salt rejection (up to 100%) and a 210% increase in the permeate flux over 24 h. The findings in this study will help in delineating the role of substrate nature in controlling the produced membrane characteristics and performance.
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Affiliation(s)
- Turki N. Baroud
- Materials Science & Engineering Department, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia;
- Interdisciplinary Research Center for Membranes & Water Security, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
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4
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Techno-Economic Analysis of the Olive Oil Mill Wastewater Steam Reforming Process: A Case-Study. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2022.05.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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5
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Sustainable vs. Conventional Approach for Olive Oil Wastewater Management: A Review of the State of the Art. WATER 2022. [DOI: 10.3390/w14111695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The main goal of this review is to collect and analyze the recently published research concerning the conventional and sustainable treatment processes for olive mill wastewater (OMW). In the conventional treatment processes, it is noticed that the main objective is to meet the environmental regulations for remediated wastewater without considering the economical values of its valuable constituents such as polyphenols. These substances have many important environmental values and could be used in many vital applications. Conversely, sustainable treatment processes aim to recover the valuable constituents through different processes and then treat the residual wastewater. Both approaches’ operational and design parameters were analyzed to generalize their advantages and possible applications. A valorization-treatment approach for OMW is expected to make it a sustainable resource for ingredients of high economical value that could lead to a profitable business. In addition, inclusion of a recovery process will detoxify the residual OMW, simplify its management treatment, and allow the possible reuse of the vast amounts of processed water. In a nutshell, the proposed approach led to zero waste with a closed water cycle development.
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Karadag A, Kayacan Cakmakoglu S, Metin Yildirim R, Karasu S, Avci E, Ozer H, Sagdic O. Enrichment of lecithin with phenolics from olive mill wastewater by cloud point extraction and its application in vegan salad dressing. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ayse Karadag
- Department of Food Engineering Yildiz Technical University Istanbul Turkey
| | | | | | - Salih Karasu
- Department of Food Engineering Yildiz Technical University Istanbul Turkey
| | - Esra Avci
- Department of Food Engineering Yildiz Technical University Istanbul Turkey
| | - Hayrettin Ozer
- Food Institute TUBITAK Marmara Research Center Gebze Turkey
| | - Osman Sagdic
- Department of Food Engineering Yildiz Technical University Istanbul Turkey
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7
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Russo E, Spallarossa A, Comite A, Pagliero M, Guida P, Belotti V, Caviglia D, Schito AM. Valorization and Potential Antimicrobial Use of Olive Mill Wastewater (OMW) from Italian Olive Oil Production. Antioxidants (Basel) 2022; 11:antiox11050903. [PMID: 35624767 PMCID: PMC9137489 DOI: 10.3390/antiox11050903] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 04/29/2022] [Accepted: 05/02/2022] [Indexed: 11/22/2022] Open
Abstract
The production of olive oil generates olive mill wastewater (OMW) which essentially derives from the processing, treatment and pressing of olives in mills. Traditional milling processes require a quantity of water varying between 40 and 120 L per quintal of pressed olives, generating a considerable amount of wastewater. It is thus necessary to reduce process water and enhance its use to implement the concept of a circular economy. To this end, our preliminary work was dedicated to water purification by means of suitable and efficient filtration systems. The microfiltered OMW was firstly concentrated through reverse osmosis. Then, an additional concentration step was carried out via vacuum membrane distillation using hydrophobic hollow fiber membranes. The application of the membrane-based processes allowed the recovery of a purified water and the concentration of valuable polyphenols in a smaller volume. The different fractions obtained from the purification have been tested for the determination of the antioxidant power (DPPH assay) and dosage of polyphenols (Folin–Ciocalteu assay) and were characterized using IR spectroscopy. All samples showed relevant antioxidant activity (percentage range: 10–80%) and total phenolic content in the 1.5–15 g GAE/L range. The obtained fractions were tested for their antimicrobial effect on numerous clinical isolates of Gram-positive and Gram-negative species, resistant and multi-resistant to current antibiotic drugs. OMW samples showed widespread activity against the considered (phyto)pathogens (MIC range 8–16 mg/mL) thus supporting the value of this waste material in the (phyto)pharmaceutical field.
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Affiliation(s)
- Eleonora Russo
- Department of Pharmacy, University of Genova, Viale Benedetto XV, 3, 16132 Genoa, Italy;
- Correspondence:
| | - Andrea Spallarossa
- Department of Pharmacy, University of Genova, Viale Benedetto XV, 3, 16132 Genoa, Italy;
| | - Antonio Comite
- Department of Chemistry and Industrial Chemistry, University of Genova, Via Dodecaneso, 31, 16146 Genoa, Italy; (A.C.); (M.P.)
| | - Marcello Pagliero
- Department of Chemistry and Industrial Chemistry, University of Genova, Via Dodecaneso, 31, 16146 Genoa, Italy; (A.C.); (M.P.)
| | - Patrizia Guida
- Department of Phisics, University of Genova, Via Dodecaneso, 31, 16146 Genoa, Italy;
| | - Vittorio Belotti
- Department of Mechanical, Energy, Management and Transport Engineering, University of Genova, Via alla Opera Pia, 15, 16100 Genoa, Italy;
| | - Debora Caviglia
- Department of Integrated Surgical and Diagnostic Sciences, University of Genova, Viale Benedetto XV, 6, 16132 Genoa, Italy; (D.C.); (A.M.S.)
| | - Anna Maria Schito
- Department of Integrated Surgical and Diagnostic Sciences, University of Genova, Viale Benedetto XV, 6, 16132 Genoa, Italy; (D.C.); (A.M.S.)
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8
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Olive Mill Wastewater Valorization through Steam Reforming Using Multifunctional Reactors: Challenges of the Process Intensification. ENERGIES 2022. [DOI: 10.3390/en15030920] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Olive oil mill wastewater (OMW) is a polluting stream derived from the production of olive oil and is a source of environmental pollution; this is relevant in many countries around the world, but particularly in all the Mediterranean region where major producers are located. In this effluent, several pollutants are present—namely, sugars, fatty acids, and polyphenols, among others. Nowadays, to reduce the pollutant load, several treatment techniques are applied, but these technologies have numerous cost and efficiency problems. For this reason, the steam reforming of the OMW (OMWSR) presents as a good alternative, because this process decreases the pollutant load of the OMW and simultaneously valorizes the waste with the production of green H2, which is consistent with the perspective of the circular economy. Currently, the OMWSR is an innovative treatment alternative in the scientific field and with high potential. In the last few years, some groups have studied the OMWSR and used innovative reactor configurations, aiming to improve the process’ effectiveness. In this review, the OMW treatment/valorization processes, the last developments on catalysis for OMWSR (or steam reforming of similar species present in the effluent), as well as the last advances on OMWSR performed in multi-functional reactors are addressed.
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9
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Sustainable Treatment of Food Industry Wastewater Using Membrane Technology: A Short Review. WATER 2021. [DOI: 10.3390/w13233450] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Water is needed for food processing facilities to carry out a number of tasks, including moving goods, washing, processing, and cleaning operations. This causes them to produce wastewater effluent, and they are typically undesirable since it contains a high volume of suspended solids, bacteria, dyestuffs, salts, oils, fats, chemical oxygen demand and biological oxygen demand. Therefore, treatment of food industry wastewater effluent is critical in improving process conditions, socio-economic benefits and our environmental. This short review summarizes the role of available membrane technologies that have been employed for food wastewater treatment and analyse their performance. Particularly, electrospun nanofiber membrane technology is revealed as an emerging membrane science and technology area producing materials of increasing performance and effectiveness in treating wastewater. This review reveals the challenges and perspectives that will assist in treating the food industry wastewater by developing novel membrane technologies.
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10
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Mohd Ramli M, Ahmad AL, Oluwasola EI, Leo CP. Non-solvent Flux Augmentation of an LDPE-Coated Polytetrafluoroethylene Hollow Fiber Membrane for Direct Contact Membrane Distillation. ACS OMEGA 2021; 6:25201-25210. [PMID: 34632179 PMCID: PMC8495701 DOI: 10.1021/acsomega.1c02887] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 08/12/2021] [Indexed: 06/13/2023]
Abstract
Membrane distillation (MD) is a thermal technology for the desalination process that requires a hydrophobic microporous membrane to ensure that the membrane can maintain the liquid-vapor interface. This work aims to enhance the water permeation flux of the previously coated membrane by modifying the surface of the polytetrafluoroethylene hollow fiber (PTFE HF) membrane with a selected non-solvent such as acetone, cyclohexanone, and ethanol in low-density polyethylene as a polymeric coating solution. However, the modification using acetone and cyclohexanone solvents was unsuccessful because a reduction in membrane hydrophobicity was observed. The modified PTFE HF membrane with ethanol content exhibits high wetting resistance with a high water contact angle, which can withstand pore wetting during the direct contact MD process. Since MD operates under a lower operating temperature range (50-90 °C) compared to the conventional distillation, we herein demonstrated that higher flux could be obtained at 7.26 L m-2 h-1. Thus, the process is economically feasible because of lower energy consumption. Performance evaluation of the modified PTFE HF membrane showed a high rejection of 99.69% for sodium chloride (NaCl), indicating that the coated membrane preferentially allowed only water vapor to pass through.
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Affiliation(s)
- Mohamad
Razif Mohd Ramli
- School
of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, Nibong
Tebal, 14300 Pulau Pinang, Malaysia
| | - Abdul Latif Ahmad
- School
of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, Nibong
Tebal, 14300 Pulau Pinang, Malaysia
| | - Ebenezer Idowu Oluwasola
- School
of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, Nibong
Tebal, 14300 Pulau Pinang, Malaysia
- Food
Technology Department, The Federal Polytechnic
Ado Ekiti, Ado Ekiti, 360231 Ekiti state, Nigeria
| | - Choe Peng Leo
- School
of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, Nibong
Tebal, 14300 Pulau Pinang, Malaysia
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11
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Tundis R, Conidi C, Loizzo MR, Sicari V, Romeo R, Cassano A. Concentration of Bioactive Phenolic Compounds in Olive Mill Wastewater by Direct Contact Membrane Distillation. Molecules 2021; 26:molecules26061808. [PMID: 33806935 PMCID: PMC8004892 DOI: 10.3390/molecules26061808] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 03/20/2021] [Accepted: 03/22/2021] [Indexed: 11/29/2022] Open
Abstract
Olive mill wastewater (OMW), generated as a by-product of olive oil production, is considered one of the most polluting effluents produced by the agro-food industry, due to its high concentration of organic matter and nutrients. However, OMW is rich in several polyphenols, representing compounds with remarkable biological properties. This study aimed to analyze the chemical profile as well as the antioxidant and anti-obesity properties of concentrated fractions obtained from microfiltered OMW treated by direct contact membrane distillation (DCMD). Ultra-high performance liquid chromatography (UHPLC) analyses were applied to quantify some phenols selected as phytochemical markers. Moreover, α-Amylase, α-glucosidase, and lipase inhibitory activity were investigated together with the antioxidant activity by means of assays, namely β-carotene bleaching, 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulphonic) acid (ABTS) diammonium salts, 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay, and Ferric Reducing Activity Power (FRAP) tests. MD retentate—which has content of about five times greater of hydroxytyrosol and verbascoside and about 7 times greater of oleuropein than the feed—was more active as an antioxidant in all applied assays. Of interest is the result obtained in the DPPH test (an inhibitory concentration 50% (IC50) of 9.8 μg/mL in comparison to the feed (IC50 of 97.2 μg/mL)) and in the ABTS assay (an IC50 of 0.4 μg/mL in comparison to the feed (IC50 of 1.2 μg/mL)).
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Affiliation(s)
- Rosa Tundis
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy; (R.T.); (M.R.L.)
| | - Carmela Conidi
- Institute on Membrane Technology, ITM-CNR, 87036 Rende, CS, Italy;
| | - Monica R. Loizzo
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy; (R.T.); (M.R.L.)
| | - Vincenzo Sicari
- Department of Agricultural Science, Mediterranean University of Reggio Calabria, 89123 Reggio Calabria, Italy; (V.S.); (R.R.)
| | - Rosa Romeo
- Department of Agricultural Science, Mediterranean University of Reggio Calabria, 89123 Reggio Calabria, Italy; (V.S.); (R.R.)
| | - Alfredo Cassano
- Institute on Membrane Technology, ITM-CNR, 87036 Rende, CS, Italy;
- Correspondence: ; Tel.: +39-0984-492067
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13
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Veleva I, Vanoppen M, Hitsov I, Phukan R, Wyseure L, Dejaeger K, Cornelissen E, Verliefde A. Selection of membranes and operational parameters aiming for the highest rejection of petrochemical pollutants via membrane distillation. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.118143] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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14
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Experimental assessment of a hybrid process including adsorption/photo Fenton oxidation and Microbial Fuel Cell for the removal of dicarboxylic acids from aqueous solution. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2020.113056] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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15
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Olive Mill Wastewater Polyphenol-Enriched Fractions by Integrated Membrane Process: A Promising Source of Antioxidant, Hypolipidemic and Hypoglycaemic Compounds. Antioxidants (Basel) 2020; 9:antiox9070602. [PMID: 32664218 PMCID: PMC7402138 DOI: 10.3390/antiox9070602] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 07/07/2020] [Accepted: 07/09/2020] [Indexed: 12/27/2022] Open
Abstract
The valorisation of food wastes is a challenging opportunity for the green, sustainable, and competitive development of industry. The recovery of phenols contributes to the sustainability of olive waste sector, reducing its environmental impact and promoting the development of innovative formulations of interest for pharmaceutical, nutraceutical, and cosmeceutical applications. In this work, olive mill wastewater was treated through a combination of microfiltration (MF), nanofiltration (NF), and reverse osmosis (RO) in a sequential design to produce polyphenol-enriched fractions that have been investigated for their chemical profile using ultra-high-performance liquid chromatography (UHPLC), and their potential antioxidant, hypolipidemic, and hypoglycaemic activities. RO retentate exhibited the highest content of hydroxytyrosol, tyrosol, oleuropein, verbascoside, vanillic acid, and luteolin. In particular, a content of hydroxytyrosol of 1522.2 mg/L, about five times higher than the MF feed, was found. RO retentate was the most active extract in all in vitro tests. Interestingly, this fraction showed a 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic) acid (ABTS) radicals scavenging activity with an IC50 value of 6.9 μg/mL and a potential inhibition of lipid peroxidation evaluated by the β-carotene bleaching test with IC50 values of 25.1 μg/mL after 30 min of incubation. Moreover, RO retentate inhibited α-amylase and α-glucosidase with IC50 values of 65.3 and 66.2 μg/mL, respectively.
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16
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Hube S, Eskafi M, Hrafnkelsdóttir KF, Bjarnadóttir B, Bjarnadóttir MÁ, Axelsdóttir S, Wu B. Direct membrane filtration for wastewater treatment and resource recovery: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 710:136375. [PMID: 31923693 DOI: 10.1016/j.scitotenv.2019.136375] [Citation(s) in RCA: 127] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 12/22/2019] [Accepted: 12/26/2019] [Indexed: 05/26/2023]
Abstract
Direct membrane filtration has shown great potential in wastewater treatment and resource recovery in terms of its superior treated water quality, efficient nutrient recovery, and sustainable operation, especially under some scenarios where biological treatment is not feasible. This paper aims to give a comprehensive review of the state-of-the-art of direct membrane filtration processes (including pressure-driven, osmotic-driven, thermal-driven, and electrical-driven) in treating different types of wastewater for water reclamation and resource recovery. The factors influencing membrane performance and treatment efficiency in these direct membrane filtration processes are well illustrated, in which membrane fouling was identified as the main challenge. The strategies for improving direct membrane filtration performance, such as physical and chemical cleaning techniques and pretreatment of feed water, are highlighted. Towards scaling-up and long-term operation of direct membrane filtration for effective wastewater reclamation and resource recovery, the challenges are emphasized and the prospects are discussed.
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Affiliation(s)
- Selina Hube
- Faculty of Civil and Environmental Engineering, University of Iceland, Hjardarhagi 2-6, IS-107 Reykjavik, Iceland
| | - Majid Eskafi
- Faculty of Civil and Environmental Engineering, University of Iceland, Hjardarhagi 2-6, IS-107 Reykjavik, Iceland
| | | | - Björg Bjarnadóttir
- Faculty of Civil and Environmental Engineering, University of Iceland, Hjardarhagi 2-6, IS-107 Reykjavik, Iceland
| | - Margrét Ásta Bjarnadóttir
- Faculty of Civil and Environmental Engineering, University of Iceland, Hjardarhagi 2-6, IS-107 Reykjavik, Iceland
| | - Snærós Axelsdóttir
- Faculty of Civil and Environmental Engineering, University of Iceland, Hjardarhagi 2-6, IS-107 Reykjavik, Iceland
| | - Bing Wu
- Faculty of Civil and Environmental Engineering, University of Iceland, Hjardarhagi 2-6, IS-107 Reykjavik, Iceland.
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17
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A Review on the Mechanism, Impacts and Control Methods of Membrane Fouling in MBR System. MEMBRANES 2020; 10:membranes10020024. [PMID: 32033001 PMCID: PMC7073750 DOI: 10.3390/membranes10020024] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 01/29/2020] [Accepted: 01/30/2020] [Indexed: 12/26/2022]
Abstract
Compared with the traditional activated sludge process, a membrane bioreactor (MBR) has many advantages, such as good effluent quality, small floor space, low residual sludge yield and easy automatic control. It has a promising prospect in wastewater treatment and reuse. However, membrane fouling is the biggest obstacle to the wide application of MBR. This paper aims at summarizing the new research progress of membrane fouling mechanism, control, prediction and detection in the MBR systems. Classification, mechanism, influencing factors and control of membrane fouling, membrane life prediction and online monitoring of membrane fouling are discussed. The research trends of relevant research areas in MBR membrane fouling are prospected.
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18
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Effect of humic acid concentration on pharmaceutically active compounds (PhACs) rejection by direct contact membrane distillation (DCMD). Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2018.12.012] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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19
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Abstract
Only nonwetted porous membranes can be used in membrane distillation. The possibility of application in this process the capillary polypropylene membranes manufactured by thermally-induced phase separation was studied. The performance of a few types of membranes available commercially was presented. The resistance of the membranes to wetting was tested in the continuous process of water desalination. These studies were carried out for 1000 h without module cleaning. The presence of scaling layer on the membranes surface was confirmed by Scanning Electron Microscope observations. Both the permeate flux and distillate conductivity were almost not varied after the studied period of time, what indicates that the used membranes maintained their nonwettability, and the negative influence of scaling was limited. The role of surface porosity on the pore wetting and influence of membrane wettability on the quality of the distillate obtained were discussed.
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20
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Zhu Y, Yu S, Zhang B, Li J, Zhao D, Gu Z, Gong C, Liu G. Antifouling performance of polytetrafluoroethylene and polyvinylidene fluoride ultrafiltration membranes during alkali/surfactant/polymer flooding wastewater treatment: Distinctions and mechanisms. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 642:988-998. [PMID: 29929150 DOI: 10.1016/j.scitotenv.2018.06.145] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 06/11/2018] [Accepted: 06/11/2018] [Indexed: 06/08/2023]
Abstract
Alkali/surfactant/polymer (ASP) flooding wastewater is highly caustic, and membrane fouling is the main obstacle during ASP ultrafiltration (UF) treatment. To maintain favorable filtration performance, polytetrafluoroethylene (PTFE) and polyvinylidene fluoride (PVDF) membranes were implemented here, and their antifouling properties and mechanisms were investigated based on the threshold flux theory. Compared with the PVDF membranes, the PTFE membranes exhibited superior antifouling properties with lower reductions in flux and smaller hydraulic resistance, and they presented a nearly identical pseudo-stable fouling rate at a later time point. In the fouling layers of the PTFE and PVDF membranes, anion polyacrylamide (APAM) was observed along with divalent/trivalent metal ions. The thermodynamic and molecular mechanisms of membrane fouling by APAM were elucidated using the Extended Derjaguin-Landau-Verwey-Overbeek (XDLVO) theory and atomic force microscopy (AFM), respectively. The calculated total interfacial free energy (mJ/m2) of adhesion between the APAM and PTFE membranes was positive, and the value between the APAM and PVDF membranes was negative. Furthermore, the values and interaction distances of the measured intermolecular rupture and approaching forces were larger for APAM-PTFE than for APAM-PVDF. For the PTFE membranes, the positive free energies and smaller intermolecular interaction resulted in weaker APAM-PTFE adhesion and adsorption and therefore the lower levels of flux decline and the later achievement of the pseudo-stable fouling rate. Additionally, the total flux recoveries observed after physical cleaning reached 0.78-0.80 and 0.32-0.39 for the PTFE and PVDF membranes, respectively, which showed that the PTFE membranes can be cleaned easily. The PTFE membranes have considerable potential for extensive application in UF treatments for ASP wastewater. These results should promote understanding the essence of the threshold flux and the fouling control of UF membranes.
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Affiliation(s)
- Youbing Zhu
- School of Environmental Science and Engineering, State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai 200092, China
| | - Shuili Yu
- School of Environmental Science and Engineering, State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai 200092, China.
| | - Bing Zhang
- Heilongjiang Institute of Construction Technology, Heilongjiang 150025, China
| | - Jianfeng Li
- School of Environmental Science and Engineering, State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai 200092, China
| | - Dongsheng Zhao
- School of Environmental Science and Engineering, State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai 200092, China
| | - Zhengyang Gu
- School of Environmental Science and Engineering, State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai 200092, China
| | - Chao Gong
- School of Environmental Science and Engineering, State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai 200092, China
| | - Guicai Liu
- School of Civil Engineering and Architecture, University of Jinan, Jinan 250022, China.
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Fouling evaluation on membrane distillation used for reducing solvent in polyphenol rich propolis extract. Chin J Chem Eng 2018. [DOI: 10.1016/j.cjche.2017.03.041] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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22
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Jia F, Wang J. Treatment of flue gas desulfurization wastewater with near-zero liquid discharge by nanofiltration-membrane distillation process. SEP SCI TECHNOL 2017. [DOI: 10.1080/01496395.2017.1379539] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Fei Jia
- Collaborative Innovation Center for Advanced Nuclear Energy Technology, INET, Tsinghua University, Beijing, P. R. China
- Beijing Key Laboratory of Radioactive Waste Treatment, Tsinghua University, Beijing, P. R. China
| | - Jianlong Wang
- Collaborative Innovation Center for Advanced Nuclear Energy Technology, INET, Tsinghua University, Beijing, P. R. China
- Beijing Key Laboratory of Radioactive Waste Treatment, Tsinghua University, Beijing, P. R. China
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Ioannou-Ttofa L, Michael-Kordatou I, Fattas SC, Eusebio A, Ribeiro B, Rusan M, Amer ARB, Zuraiqi S, Waismand M, Linder C, Wiesman Z, Gilron J, Fatta-Kassinos D. Treatment efficiency and economic feasibility of biological oxidation, membrane filtration and separation processes, and advanced oxidation for the purification and valorization of olive mill wastewater. WATER RESEARCH 2017; 114:1-13. [PMID: 28214720 DOI: 10.1016/j.watres.2017.02.020] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Revised: 02/01/2017] [Accepted: 02/10/2017] [Indexed: 06/06/2023]
Abstract
Olive mill wastewater (OMW) is a major waste stream resulting from numerous operations that occur during the production stages of olive oil. The resulting effluent contains various organic and inorganic contaminants and its environmental impact can be notable. The present work aims at investigating the efficiency of (i) jet-loop reactor with ultrafiltration (UF) membrane system (Jacto.MBR), (ii) solar photo-Fenton oxidation after coagulation/flocculation pre-treatment and (iii) integrated membrane filtration processes (i.e. UF/nanofiltration (NF)) used for the treatment of OMW. According to the results, the efficiency of the biological treatment was high, equal to 90% COD and 80% total phenolic compounds (TPh) removal. A COD removal higher than 94% was achieved by applying the solar photo-Fenton oxidation process as post-treatment of coagulation/flocculation of OMW, while the phenolic fraction was completely eliminated. The combined UF/NF process resulted in very high conductivity and COD removal, up to 90% and 95%, respectively, while TPh were concentrated in the NF concentrate stream (i.e. 93% concentration). Quite important is the fact that the NF concentrate, a valuable and polyphenol rich stream, can be further valorized in various industries (e.g. food, pharmaceutical, etc.). The above treatment processes were found also to be able to reduce the initial OMW phytotoxicity at greenhouse experiments; with the effluent stream of solar photo-Fenton process to be the least phytotoxic compared to the other treated effluents. A SWOT (Strength, Weakness, Opportunities, Threats) analysis was performed, in order to determine both the strengths of each technology, as well as the possible obstacles that need to overcome for achieving the desired levels of treatment. Finally, an economic evaluation of the tested technologies was performed in an effort to measure the applicability and viability of these systems at real scale; highlighting that the cost cannot be regarded as a 'cut off criterion', since the most cost-effective option in not always the optimum one.
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Affiliation(s)
- L Ioannou-Ttofa
- Nireas-International Water Research Center, University of Cyprus, P.O. Box 20537, CY-1678, Nicosia, Cyprus
| | - I Michael-Kordatou
- Nireas-International Water Research Center, University of Cyprus, P.O. Box 20537, CY-1678, Nicosia, Cyprus
| | - S C Fattas
- Nireas-International Water Research Center, University of Cyprus, P.O. Box 20537, CY-1678, Nicosia, Cyprus
| | - A Eusebio
- Bioenergy Unit, National Laboratory of Energy and Geology, Estrada do Paço do Lumiar, 22, 1649-038, Lisboa, Portugal
| | - B Ribeiro
- Bioenergy Unit, National Laboratory of Energy and Geology, Estrada do Paço do Lumiar, 22, 1649-038, Lisboa, Portugal
| | - M Rusan
- Department of Natural Resources and Environment, Faculty of Agriculture, Jordan University of Science and Technology, Irbid, Jordan
| | - A R B Amer
- Department of Natural Resources and Environment, Faculty of Agriculture, Jordan University of Science and Technology, Irbid, Jordan
| | - S Zuraiqi
- Department of Natural Resources and Environment, Faculty of Agriculture, Jordan University of Science and Technology, Irbid, Jordan
| | - M Waismand
- Ben-Gurion University of the Negev, Departments of Biotechnology, Energy and Environmental Engineering, P.O. Box 653, Beer-Sheva, 84105, Israel
| | - C Linder
- Ben-Gurion University of the Negev, Departments of Biotechnology, Energy and Environmental Engineering, P.O. Box 653, Beer-Sheva, 84105, Israel
| | - Z Wiesman
- Ben-Gurion University of the Negev, Departments of Biotechnology, Energy and Environmental Engineering, P.O. Box 653, Beer-Sheva, 84105, Israel
| | - J Gilron
- Ben-Gurion University of the Negev, Departments of Biotechnology, Energy and Environmental Engineering, P.O. Box 653, Beer-Sheva, 84105, Israel
| | - D Fatta-Kassinos
- Nireas-International Water Research Center, University of Cyprus, P.O. Box 20537, CY-1678, Nicosia, Cyprus; Department of Civil and Environmental Engineering, University of Cyprus, P.O. Box 20537, CY-1678, Nicosia, Cyprus.
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Direct Contact and Vacuum Membrane Distillation application for the olive mill wastewater treatment. Sep Purif Technol 2016. [DOI: 10.1016/j.seppur.2016.06.002] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Fouling prevention in the membrane distillation of phenolic-rich solution using superhydrophobic PVDF membrane incorporated with TiO2 nanoparticles. Sep Purif Technol 2016. [DOI: 10.1016/j.seppur.2016.05.005] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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26
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Gebreyohannes AY, Mazzei R, Giorno L. Trends and current practices of olive mill wastewater treatment: Application of integrated membrane process and its future perspective. Sep Purif Technol 2016. [DOI: 10.1016/j.seppur.2016.02.001] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Wijekoon KC, Hai FI, Kang J, Price WE, Cath TY, Nghiem LD. Rejection and fate of trace organic compounds (TrOCs) during membrane distillation. J Memb Sci 2014. [DOI: 10.1016/j.memsci.2013.12.002] [Citation(s) in RCA: 91] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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28
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El-Abbassi A, Khayet M, Kiai H, Hafidi A, García-Payo M. Treatment of crude olive mill wastewaters by osmotic distillation and osmotic membrane distillation. Sep Purif Technol 2013. [DOI: 10.1016/j.seppur.2012.12.006] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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