1
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Ferro V, Leiva H, Cadena E, Valverde JL. Multiscale Conceptual Design of a Scalable and Sustainable Process to Dissolve and Regenerate Keratin from Chicken Feathers. Ind Eng Chem Res 2023; 62:13324-13339. [PMID: 38356643 PMCID: PMC10863073 DOI: 10.1021/acs.iecr.3c01843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 08/02/2023] [Accepted: 08/03/2023] [Indexed: 02/16/2024]
Abstract
A multiscale strategy was used to conceptually design and economically analyze a scalable and sustainable process for dissolving and regenerating keratin from chicken feathers by using a sodium acetate-urea deep eutectic solvent as the reacting media. In this study, the recovery and recycling of the solvent were also considered. Moreover, molecular modeling of the solvent, keratin and its derivatives, property estimation of the corresponding mixtures, and simulation of the different process alternatives proposed, including the equipment sizing, estimation of energy needs, and economic analysis were presented. A quasi-planar cluster governed by H-bond interactions resulted in the most stable configuration of the deep eutectic solvent. Molecular models having molecular weights higher than 1.400 g/mol were created to represent the keratin species, where the most abundant amino acids in the feathers were included and conveniently ordered in the chain. Property estimations performed with the conductor-like screening model-real solvent succeeded in describing the main features of the interactions between the keratin derivatives and the solvents used. The process analysis performed on several alternatives showed that the process is technically and economically viable at the industrial scale, the costs being strongly dependent on the excess of both the solvent used to dissolve keratin and the water added for its regeneration. Several options to improve the process and reduce the costs are discussed.
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Affiliation(s)
- Víctor
R. Ferro
- Department
of Chemical Engineering, Universidad Autónoma
de Madrid, 28049 Madrid, Spain
| | - Héctor Leiva
- Department
of Chemical Engineering, Universidad Autónoma
de Madrid, 28049 Madrid, Spain
| | - Erasmo Cadena
- Department
of Green Chemistry and Technology, Ghent
University, 9000 Gent, Belgium
| | - José Luis Valverde
- Department
of Chemical Engineering, Universidad de
Castilla la Mancha, 13071 Ciudad Real, Spain
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2
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Solubility of Amino Acids in the Eutectic Solvent Constituted by Sodium Acetate Trihydrate and Urea and in Its Mixture with Water. Int J Mol Sci 2023; 24:ijms24021550. [PMID: 36675066 PMCID: PMC9867164 DOI: 10.3390/ijms24021550] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/01/2023] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
Industrial fish and aquaculture processing leads to the generation of a huge quantity of by-products, whose accumulation and mismanagement involve serious environmental consequences as well as high economic losses. Taking advantage of these residues as a source of added-value compounds must be a priority in a circular economy. This work is a preliminary study to analyze the possibility of using the eutectic mixture of urea and sodium acetate trihydrate as a solvent for collagen extraction. To that end, the solid-liquid equilibrium of the system was determined in order to define the exact composition and temperature of the eutectic. The solubility in this solvent of the main amino acids that constitute fish collagen was studied at several temperatures and atmospheric pressure. At 308.15 K, solubilities of the major constituents of the target protein, namely L-proline, trans-4-hydroxy-L-proline, and glycine, were 0.19, 0.16, and 0.12 (mass fraction), respectively. These values increased with temperature. Dilution with water (50 wt%) allowed operation at lower temperature and led to an increase in the solubilities. The van 't Hoff model was satisfactorily used to correlate the experimental data and to calculate apparent properties of dissolution. All the dissolution processes studied herein are endothermic, non-spontaneous, and enthalpy-driven. Both the eutectic and its mixture with water are promising solvents for the design of an environmentally benign process for collagen extraction.
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3
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Preparation Methods and Functional Characteristics of Regenerated Keratin-Based Biofilms. Polymers (Basel) 2022; 14:polym14214723. [DOI: 10.3390/polym14214723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 10/29/2022] [Accepted: 11/02/2022] [Indexed: 11/06/2022] Open
Abstract
The recycling, development, and application of keratin-containing waste (e.g., hair, wool, feather, and so on) provide an important means to address related environmental pollution and energy shortage issues. The extraction of keratin and the development of keratin-based functional materials are key to solving keratin-containing waste pollution. Keratin-based biofilms are gaining substantial interest due to their excellent characteristics, such as good biocompatibility, high biodegradability, appropriate adsorption, and rich renewable sources, among others. At present, keratin-based biofilms are a good option for various applications, and the development of keratin-based biofilms from keratin-containing waste is considered crucial for sustainable development. In this paper, in order to achieve clean production while maintaining the functional characteristics of natural keratin as much as possible, four important keratin extraction methods—thermal hydrolysis, ultrasonic technology, eco-friendly solvent system, and microbial decomposition—are described, and the characteristics of these four extraction methods are analysed. Next, methods for the preparation of keratin-based biofilms are introduced, including solvent casting, electrospinning, template self-assembly, freeze-drying, and soft lithography methods. Then, the functional properties and application prospects of keratin-based biofilms are discussed. Finally, future research directions related to keratin-based biofilms are proposed. Overall, it can be concluded that the high-value conversion of keratin-containing waste into regenerated keratin-based biofilms has great importance for sustainable development and is highly suggested due to their great potential for use in biomedical materials, optoelectronic devices, and metal ion detection applications. It is hoped that this paper can provide some basic information for the development and application of keratin-based biofilms.
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4
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Nuutinen EM, Valle-Delgado JJ, Kellock M, Farooq M, Österberg M. Affinity of Keratin Peptides for Cellulose and Lignin: A Fundamental Study toward Advanced Bio-Based Materials. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:9917-9927. [PMID: 35930798 PMCID: PMC9387096 DOI: 10.1021/acs.langmuir.2c01140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 07/25/2022] [Indexed: 06/15/2023]
Abstract
Keratin is a potential raw material to meet the growing demand for bio-based materials with special properties. Keratin can be obtained from feathers, a by-product from the poultry industry. One approach for keratin valorization is to use the protein to improve the properties of already existing cellulose and lignin-based materials to meet the requirements for replacing fossil-based plastics. To ensure a successful combination of keratin with lignocellulosic building blocks, keratin must have an affinity to these substrates. Hence, we used quartz crystal microbalance with a dissipation monitoring (QCM-D) technique to get a detailed understanding of the adsorption of keratin peptides onto lignocellulosic substrates and how the morphology of the substrate, pH, ionic strength, and keratin properties affected the adsorption. Keratin was fractionated from feathers with a scalable and environmentally friendly deep eutectic solvent process. The keratin fraction used in the adsorption studies consisted of different sized keratin peptides (about 1-4 kDa), which had adopted a random coil conformation as observed by circular dichroism (CD). Measuring keratin adsorption to different lignocellulosic substrates by QCM-D revealed a significant affinity of keratin peptides for lignin, both as smooth films and in the form of nanoparticles but only a weak interaction between cellulose and keratin. Systematic evaluation of the effect of surface, media, and protein properties enabled us to obtain a deeper understanding of the driving force for adsorption. Both the structure and size of the keratin peptides appeared to play an important role in its adsorption. The keratin-lignin combination is an attractive option for advanced material applications. For improved adsorption on cellulose, modifications of either keratin or cellulose would be required.
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Affiliation(s)
- Emmi-Maria Nuutinen
- Sustainable
products and materials, VTT, Technical Research
Centre of Finland, Tietotie 2, FI-02044 Espoo, Finland
- School
of Chemical Engineering, Department of Bioproducts and Biosystems, Aalto University, 02150 Espoo, Finland
| | - Juan José Valle-Delgado
- School
of Chemical Engineering, Department of Bioproducts and Biosystems, Aalto University, 02150 Espoo, Finland
| | - Miriam Kellock
- Sustainable
products and materials, VTT, Technical Research
Centre of Finland, Tietotie 2, FI-02044 Espoo, Finland
| | - Muhammad Farooq
- School
of Chemical Engineering, Department of Bioproducts and Biosystems, Aalto University, 02150 Espoo, Finland
| | - Monika Österberg
- School
of Chemical Engineering, Department of Bioproducts and Biosystems, Aalto University, 02150 Espoo, Finland
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5
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Zahra H, Selinger J, Sawada D, Ogawa Y, Orelma H, Ma Y, Kumagai S, Yoshioka T, Hummel M. Evaluation of Keratin-Cellulose Blend Fibers as Precursors for Carbon Fibers. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2022; 10:8314-8325. [PMID: 35847521 PMCID: PMC9275789 DOI: 10.1021/acssuschemeng.2c00976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
One main challenge to utilize cellulose-based fibers as the precursor for carbon fibers is their inherently low carbon yield. This study aims to evaluate the use of keratin in chicken feathers, a byproduct of the poultry industry generated in large quantities, as a natural charring agent to improve the yield of cellulose-derived carbon fibers. Keratin-cellulose composite fibers are prepared through direct dissolution of the pulp and feather keratin in the ionic liquid 1,5-diazabicyclo[4.3.0]non-5-enium acetate ([DBNH]OAc) and subsequent dry jet wet spinning (so-called Ioncell process). Thermogravimetric analysis reveals that there is an increase in the carbon yield by ∼53 wt % with 30 wt % keratin incorporation. This increase is comparable to the one observed for lignin-cellulose composite fibers, in which lignin acts as a carbon booster due to its higher carbon content. Keratin, however, reduces the mechanical properties of cellulose precursor fibers to a lesser extent than lignin. Keratin introduces nitrogen and induces the formation of pores in the precursor fibers and the resulting carbon fibers. Carbon materials derived from the keratin-cellulose composite fiber show potential for applications where nitrogen doping and pores or voids in the carbon are desirable, for example, for low-cost bio-based carbons for energy harvest or storage.
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Affiliation(s)
- Hilda Zahra
- Department
of Bioproducts and Biosystems, Aalto University, Vuorimiehentie 1, 02150 Espoo, Finland
| | - Julian Selinger
- Department
of Bioproducts and Biosystems, Aalto University, Vuorimiehentie 1, 02150 Espoo, Finland
- Institute
of Bioproducts and Paper Technology, Graz
University of Technology, Inffeldgasse 23, 8010 Graz, Austria
| | - Daisuke Sawada
- Department
of Bioproducts and Biosystems, Aalto University, Vuorimiehentie 1, 02150 Espoo, Finland
| | - Yu Ogawa
- Univ.
Grenoble Alpes, CNRS, CERMAV, 38000 Grenoble, France
| | - Hannes Orelma
- VTT
Technical Research Centre of Finland Ltd., Biomaterial Processing and Products, Tietotie 4E, 02044 Espoo, Finland
| | - Yibo Ma
- Department
of Bioproducts and Biosystems, Aalto University, Vuorimiehentie 1, 02150 Espoo, Finland
| | - Shogo Kumagai
- Graduate
School of Environmental Studies, Tohoku
University, 6-6-07 Aoba,
Aramaki-aza, Aoba-ku, 980-8579 Sendai, Japan
- Division
for the Establishment of Frontier Sciences of Organization for Advanced
Studies, Tohoku University, 2-1-1 Katahira, Aoba-ku, 980-8577 Sendai, Japan
| | - Toshiaki Yoshioka
- Graduate
School of Environmental Studies, Tohoku
University, 6-6-07 Aoba,
Aramaki-aza, Aoba-ku, 980-8579 Sendai, Japan
| | - Michael Hummel
- Department
of Bioproducts and Biosystems, Aalto University, Vuorimiehentie 1, 02150 Espoo, Finland
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Yadav N, Venkatesu P. Current understanding and insights towards protein stabilization and activation in deep eutectic solvents as sustainable solvent media. Phys Chem Chem Phys 2022; 24:13474-13509. [PMID: 35640592 DOI: 10.1039/d2cp00084a] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Deep eutectic solvents (DESs) have emerged as a new class of green, designer and biocompatible solvents, an alternative to conventional organic solvents and ionic liquids (ILs) which are comparatively toxic and non-biodegradable. DESs are eutectic mixtures that are formed when a hydrogen bond acceptor (HBA) is mixed with a hydrogen bond donor (HBD) at particular molar ratios by mechanical grinding or under mild heating conditions. Very recently, these solvents have been the center of attention for researchers in biotechnology, biomedicine and various scientific applications. These environmentally benign solvents have a close analogy with ILs; however, they offer certain unique merits over traditional ILs. DESs display remarkable properties such as easy preparation, tunable composition, biodegradability, recyclability, inherently low toxicity, sustainability and biocompatibility; these special features validate DESs as new potential solvents/co-solvents for biomolecules. Mechanistically, the biocompatibility and protein friendly nature of DESs depend on various factors, which include the composition of the DES, viscosity and hydration level. Therefore, it becomes an essential task to bring together all the studies related to protein behaviour in DESs to unlock their biomolecular proficiency. This review specifically highlights recent insights into the biomacromolecular functionality in DESs, including outlines of the solubilization and stabilization of proteins, long term protein packaging, different extraction methods and enzyme activation in the presence of DESs. A literature survey reveals that DESs act as green media in which the protein structure and activity are retained. In some cases, proteins refolded and enzymatic activity was enhanced several fold in the presence of DESs. Furthermore, we have reviewed the possible mechanistic behaviour behind protein stabilization, refolding and activation in DESs. Overall, the main objective of this review is to explicate the advantages of the introduction of DESs for biomolecules and to demonstrate the versatility of these eco-friendly solvents for future bio-based applications.
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Affiliation(s)
- Niketa Yadav
- Department of Chemistry, University of Delhi, Delhi-110 007, India.
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A Comparative Assessment on the Recovery of Pectin and Phenolic Fractions from Aqueous and DES Extracts Obtained from Melon Peels. FOOD BIOPROCESS TECH 2022. [DOI: 10.1007/s11947-022-02823-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
AbstractThis work evaluates the purification of melon peel extracts obtained by two eco-friendly methods: autohydrolysis and sodium acetate/urea/water extraction (1:3:1.6), an alkaline deep eutectic solvent (DES). For that, sequential ethanol precipitation and resin adsorption/desorption stages were proposed for the separate recovery of the pectic and phenolic fractions. In order to screen the optimal purification conditions, in a first step, the effect of ethanol concentrations (from 70 to 85%) on the precipitation of pectic oligosaccharides was assayed. Subsequently, the influence of the selected resin (Amberlite XAD4, XAD16HP and XAD7HP), liquid/resin ratios, and desorption sequences (varying ethanol concentrations and pH) on the phenolic compounds was also studied. The highest pectin yields were achieved with 85% ethanol: 16.11 and 18.05 g pectin/100 g water-insoluble solids (WIS) for autohydrolysis and DES extracts, respectively. All pectins presented a galacturonic acid content of about 45%, while autohydrolysis pectin presented a higher amount of neutral sugar side chains. The presence of low methoxyl GalA and both linear and branched OGalA with DP from 2 to 20 was also confirmed by FTIR and HPAEC-PAD analysis, respectively. Concerning the phenolic fraction, the resin adsorption and desorption steps at the selected conditions (XAD4 resin, liquid/resin ratio of 2 mL/g, eluted with 50% ethanol thrice) resulted in 79.55 and 4.08 mg GAE/g non-volatile content (NVC) for autohydrolysis and DES extracts, respectively, with improved antioxidant capacity. Moreover, some phenolic acids (protocatechuic and ferulic acids) and flavonoids (orientin, vitexin and naringenin) were quantified in the extracts by HPLC–PDA-MS/MS.
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8
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Ghaffari-Bohlouli P, Jafari H, Taebnia N, Abedi A, Amirsadeghi A, Niknezhad SV, Alimoradi H, Jafarzadeh S, Mirzaei M, Nie L, Zhang J, Varma RS, Shavandi A. Protein by-products: Composition, extraction, and biomedical applications. Crit Rev Food Sci Nutr 2022; 63:9436-9481. [PMID: 35546340 DOI: 10.1080/10408398.2022.2067829] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Significant upsurge in animal by-products such as skin, bones, wool, hides, feathers, and fats has become a global challenge and, if not properly disposed of, can spread contamination and viral diseases. Animal by-products are rich in proteins, which can be used as nutritional, pharmacologically functional ingredients, and biomedical materials. Therefore, recycling these abundant and renewable by-products and extracting high value-added components from them is a sustainable approach to reclaim animal by-products while addressing scarce landfill resources. This article appraises the most recent studies conducted in the last five years on animal-derived proteins' separation and biomedical application. The effort encompasses an introduction about the composition, an overview of the extraction and purification methods, and the broad range of biomedical applications of these ensuing proteins.
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Affiliation(s)
| | - Hafez Jafari
- 3BIO-BioMatter, Faculty of engineering, Free University of Brussels (ULB), Brussels, Belgium
| | - Nayere Taebnia
- Center for Intestinal Absorption and Transport of Biopharmaceuticals, Department of Health Technology, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Ali Abedi
- Department of Life Science Engineering, Faculty of New Sciences and Technology, University of Tehran, Tehran, Iran
| | - Armin Amirsadeghi
- Burn and Wound Healing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Seyyed Vahid Niknezhad
- Burn and Wound Healing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Houman Alimoradi
- School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
| | - Sina Jafarzadeh
- Department of Energy Conversion and Storage, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Mahta Mirzaei
- 3BIO-BioMatter, Faculty of engineering, Free University of Brussels (ULB), Brussels, Belgium
| | - Lei Nie
- 3BIO-BioMatter, Faculty of engineering, Free University of Brussels (ULB), Brussels, Belgium
- College of Life Sciences, Xinyang Normal University, Xinyang, China
| | - Jianye Zhang
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State & NMPA Key Laboratory of Respiratory Disease, Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, P.R. China
| | - Rajender S Varma
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacky University, Olomouc, Czech Republic
| | - Amin Shavandi
- 3BIO-BioMatter, Faculty of engineering, Free University of Brussels (ULB), Brussels, Belgium
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9
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Enhanced keratin extraction from wool waste using a deep eutectic solvent. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-021-02029-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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10
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Rico X, Nuutinen EM, Gullón B, Pihlajaniemi V, Yáñez R. Application of an eco-friendly sodium acetate/urea deep eutectic solvent in the valorization of melon by-products. FOOD AND BIOPRODUCTS PROCESSING 2021. [DOI: 10.1016/j.fbp.2021.10.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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11
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Wils L, Hilali S, Boudesocque-Delaye L. Biomass Valorization Using Natural Deep Eutectic Solvents: What's New in France? Molecules 2021; 26:6556. [PMID: 34770964 PMCID: PMC8586925 DOI: 10.3390/molecules26216556] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 10/22/2021] [Accepted: 10/28/2021] [Indexed: 11/16/2022] Open
Abstract
With the growing interest in more environmentally friendly solvents and processes, the introduction of Natural Deep Eutectic Solvents (NaDES) as low cost, non-toxic and biodegradable solvents represent a new opportunity for green and sustainable chemistry. Thanks to their remarkable advantages, NaDES are now arousing growing interest in many fields of research such as food, health, cosmetics and biofuels. Around the world, NaDES are seen as a promising alternative to commonly used petrochemical solvents. The objective of this review is to draw up a panorama of the existing skills on NaDES in French laboratories and industries for the valuation of natural products. This review therefore focuses on current applications, skills and perspectives, in order to analyze the place of French research in the use of NaDES for the valorization of biomass since 2015.
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Affiliation(s)
| | | | - Leslie Boudesocque-Delaye
- EA 7502 Synthèse et Isolement de Molécules BioActives (SIMBA), Université de Tours, 31 Avenue Monge, 37200 Tours, France; (L.W.); (S.H.)
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12
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Goh PS, Othman MHD, Matsuura T. Waste Reutilization in Polymeric Membrane Fabrication: A New Direction in Membranes for Separation. MEMBRANES 2021; 11:782. [PMID: 34677548 PMCID: PMC8541373 DOI: 10.3390/membranes11100782] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/02/2021] [Accepted: 10/09/2021] [Indexed: 01/11/2023]
Abstract
In parallel to the rapid growth in economic and social activities, there has been an undesirable increase in environmental degradation due to the massively produced and disposed waste. The need to manage waste in a more innovative manner has become an urgent matter. In response to the call for circular economy, some solid wastes can offer plenty of opportunities to be reutilized as raw materials for the fabrication of functional, high-value products. In the context of solid waste-derived polymeric membrane development, this strategy can pave a way to reduce the consumption of conventional feedstock for the production of synthetic polymers and simultaneously to dampen the negative environmental impacts resulting from the improper management of these solid wastes. The review aims to offer a platform for overviewing the potentials of reutilizing solid waste in liquid separation membrane fabrication by covering the important aspects, including waste pretreatment and raw material extraction, membrane fabrication and characterizations, as well as the separation performance evaluation of the resultant membranes. Three major types of waste-derived polymeric raw materials, namely keratin, cellulose, and plastics, are discussed based on the waste origins, limitations in the waste processing, and their conversion into polymeric membranes. With the promising material properties and viability of processing facilities, recycling and reutilization of waste resources for membrane fabrication are deemed to be a promising strategy that can bring about huge benefits in multiple ways, especially to make a step closer to sustainable and green membrane production.
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Affiliation(s)
- Pei Sean Goh
- Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering, Universiti Teknologi Malaysia, Johor Bahru 81310, Malaysia;
| | - Mohd Hafiz Dzarfan Othman
- Advanced Membrane Technology Research Centre (AMTEC), School of Chemical and Energy Engineering, Universiti Teknologi Malaysia, Johor Bahru 81310, Malaysia;
| | - Takeshi Matsuura
- Department of Chemical and Biological Engineering, University of Ottawa, 161 Louis Pasteur St., Ottawa, ON K1N 6N5, Canada;
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13
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Nuutinen EM, Virtanen T, Lantto R, Vähä-Nissi M, Jääskeläinen AS. Ductile keratin films from deep eutectic solvent-fractionated feathers. RSC Adv 2021; 11:27512-27522. [PMID: 35480675 PMCID: PMC9037859 DOI: 10.1039/d1ra05123g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 08/03/2021] [Indexed: 11/21/2022] Open
Abstract
Feathers, an industrial by-product, are a valuable source of keratin that could be used, for example, in the preparation of films for biomedical and packaging applications. However, the utilisation of feather keratin requires scalable processes to convert feathers into a feasible keratin stream. This paper shows how deep eutectic solvent (DES) fractionated feathers could be converted into strong films. In the DES fractionation process, two keratin fractions with different molecular weights were obtained. The films made of the high molecular weight keratin fraction had better mechanical properties and stability against moisture than the films made of the low molecular weight keratin fraction. The strength properties were further improved by cross-linking the keratin with diglycidyl ether enabling the formation of a uniform keratin network, whereas glutaraldehyde did not show a clear cross-linking effect. These keratin films could be used, for example, in food packaging or medical applications such as wound care.
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Affiliation(s)
- Emmi-Maria Nuutinen
- Sustainable products and materials, VTT, Technical Research Centre of Finland Tietotie 2 FI-02044 Espoo Finland +358406817126
| | - Tommi Virtanen
- Sustainable products and materials, VTT, Technical Research Centre of Finland Tietotie 2 FI-02044 Espoo Finland +358406817126
| | - Raija Lantto
- Sustainable products and materials, VTT, Technical Research Centre of Finland Tietotie 2 FI-02044 Espoo Finland +358406817126
| | - Mika Vähä-Nissi
- Sustainable products and materials, VTT, Technical Research Centre of Finland Tietotie 2 FI-02044 Espoo Finland +358406817126
| | - Anna-Stiina Jääskeläinen
- Sustainable products and materials, VTT, Technical Research Centre of Finland Tietotie 2 FI-02044 Espoo Finland +358406817126
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Chao SJ, Chung KH, Lai YF, Lai YK, Chang SH. Keratin particles generated from rapid hydrolysis of waste feathers with green DES/KOH: Efficient adsorption of fluoroquinolone antibiotic and its reuse. Int J Biol Macromol 2021; 173:211-218. [PMID: 33482215 DOI: 10.1016/j.ijbiomac.2021.01.126] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 01/16/2021] [Accepted: 01/18/2021] [Indexed: 01/28/2023]
Abstract
Fluoroquinolone antibiotics are widely used in human and veterinary medicine. However, untreated fluoroquinolone seriously threatens the ecosystem and human health. In this study, deep eutectic solvents (DESs) were applied for the hydrolysis of waste feathers, and the keratin particles (KPs) in a low-cost teabag were utilized to adsorb fluoroquinolone norfloxacin. Results showed that choline chloride/ethylene glycol DES rapidly hydrolyzed feathers within 10 min, and the undissolved particles effectively adsorbed norfloxacin. Adding KOH markedly shortened the hydrolysis time (6 min) and increased the adsorption ability of KPs. The optimum hydrolysis conditions were DES ratio of 1 g: 4.67 g, KOH of 35.68 g L-1, and temperature of 90 °C. When KPDES+KOH of 2 g L-1, norfloxacin of 25 mg L-1, and pH0 7 were used, 94% of norfloxacin was removed in 60 min. A low-cost teabag effectively separated the KPs from the solution after adsorption and did not decrease the adsorption ability of the KPs. The Langmuir isotherm model well described the adsorption behavior of KPsDES+KOH (qmax = 79.36 mg g-1, R2 = 0.9972). In addition, acetone efficiently regenerated the exhausted KPsDES+KOH. The KPs maintained >80% of its adsorption ability after seven cycles of regeneration.
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Affiliation(s)
- Shu-Ju Chao
- Institute of Environmental Engineering, National Chiao-Tung University, Hsinchu 30010, Taiwan, ROC
| | - Kuo-Hao Chung
- Institute of Environmental Engineering, National Chiao-Tung University, Hsinchu 30010, Taiwan, ROC
| | - Yi-Fen Lai
- Institute of Environmental Engineering, National Chiao-Tung University, Hsinchu 30010, Taiwan, ROC
| | - Yu-Kuei Lai
- Department of Public Health, Chung-Shan Medical University, Taichung 402, Taiwan, ROC
| | - Shih-Hsien Chang
- Department of Public Health, Chung-Shan Medical University, Taichung 402, Taiwan, ROC; Department of Family and Community Medicine, Chung-Shan Medical University Hospital, Taichung 402, Taiwan, ROC.
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Saini A, Panesar PS. Beneficiation of food processing by-products through extraction of bioactive compounds using neoteric solvents. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.110263] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Smart advanced solvents for bioactive compounds recovery from agri-food by-products: A review. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2020.05.007] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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