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Borges R, Brondi M, Elias AM, Farinas CS, Ribeiro C. Mechanochemical recycling of cellulose multilayer carton packages to produce micro and nanocellulose from the perspective of techno-economic and environmental analysis. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 363:121254. [PMID: 38850909 DOI: 10.1016/j.jenvman.2024.121254] [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: 12/13/2023] [Revised: 05/06/2024] [Accepted: 05/25/2024] [Indexed: 06/10/2024]
Abstract
Despite being composed of recyclable materials, the main technological challenge of multilayer carton packs involves the efficient decompatibilization of the cellulosic, polymeric, and metallic phases. Here, a simple two-step mechanochemical process is described that uses only aqueous media and mechanical force to promote phase separation in order to fully recycle multi-layer carton packaging. The first step produces value-added micro- and nanocellulose, while in the second step, aluminum is extracted, forming precipitated aluminum and aluminum oxyhydroxides. Solid polyethylene (PE) remains with a degree of purity defined by the process efficiency. The results show that cellulose is efficiently extracted and converted into micro- and nanocellulose after 15 min of milling. In the second stage, approximately 90% of the aluminum is extracted from the PE after 15 min of milling. Due to the separation and drying medium conditions, the finely divided particles of extracted aluminum also have oxyhydroxides in their composition. It is believed that a passivation layer forms on the metallic aluminum particle. The techno-economic analysis revealed a positive net present value (NPV) of $17.5 million, with a minimum selling price of 1.62 USD/kg of cellulose. The environmental analysis concluded that most of the environmental impact of the process is associated with the entry of carton packages into the system, incorporating a small environmental load related to the industrial process. The results indicate a promising option toward a circular economy and carbon neutrality.
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Affiliation(s)
- Roger Borges
- Embrapa Instrumentation, 1452 XV de Novembro Street, São Carlos, SP, Zip Code:13560-970, Brazil; Department of Chemistry, Federal Technological University of Paraná, Medianeira, PR, 85884-000, Brazil.
| | - Mariana Brondi
- Embrapa Instrumentation, 1452 XV de Novembro Street, São Carlos, SP, Zip Code:13560-970, Brazil; Graduate Program of Chemical Engineering, Federal University of São Carlos, Rod. Washington Luiz, km 235, São Carlos, SP, Zip Code: 13565-905, Brazil
| | - Andrew Milli Elias
- Embrapa Instrumentation, 1452 XV de Novembro Street, São Carlos, SP, Zip Code:13560-970, Brazil
| | - Cristiane S Farinas
- Embrapa Instrumentation, 1452 XV de Novembro Street, São Carlos, SP, Zip Code:13560-970, Brazil; Graduate Program of Chemical Engineering, Federal University of São Carlos, Rod. Washington Luiz, km 235, São Carlos, SP, Zip Code: 13565-905, Brazil
| | - Caue Ribeiro
- Embrapa Instrumentation, 1452 XV de Novembro Street, São Carlos, SP, Zip Code:13560-970, Brazil.
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2
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Putra NR, Ismail A, Sari DP, Nurcholis N, Murwatono TT, Rina R, Yuniati Y, Suwarni E, Sasmito A, Virliani P, Alif Rahadi SJ, Irianto I, Widati AA. A bibliometric analysis of cellulose anti-fouling in marine environments. Heliyon 2024; 10:e28513. [PMID: 38596028 PMCID: PMC11002589 DOI: 10.1016/j.heliyon.2024.e28513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 04/11/2024] Open
Abstract
Marine biofouling poses significant challenges to maritime industries worldwide, affecting vessel performance, fuel efficiency, and environmental sustainability. These challenges demand innovative and sustainable solutions. In this review, the evolving landscape of cellulose-based materials for anti-fouling applications in marine environments is explored. Through a comprehensive bibliometric analysis, the current state of research is examined, highlighting key trends, emerging technologies, and geographical distributions. Cellulose, derived from renewable resources, offers a promising avenue for sustainable anti-fouling strategies due to its biodegradability, low toxicity, and resistance to microbial attachment. Recent advancements in cellulose-based membranes, coatings, and composites are discussed, showcasing their efficacy in mitigating biofouling while minimizing environmental impact. Opportunities for interdisciplinary collaboration and innovation are identified to drive the development of next-generation anti-fouling solutions. By harnessing the power of cellulose, progress towards cleaner, more sustainable oceans can be facilitated, fostering marine ecosystems and supporting global maritime industries.
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Affiliation(s)
- Nicky Rahmana Putra
- Research Center for Hydrodynamic Technology, National Research and Innovation Agency, Surabaya, Indonesia
| | - Abdi Ismail
- Research Center for Hydrodynamic Technology, National Research and Innovation Agency, Surabaya, Indonesia
| | - Dian Purnama Sari
- Research Center for Hydrodynamic Technology, National Research and Innovation Agency, Surabaya, Indonesia
| | - Nurcholis Nurcholis
- Research Center for Hydrodynamic Technology, National Research and Innovation Agency, Surabaya, Indonesia
| | | | - Rina Rina
- Research Center for Hydrodynamic Technology, National Research and Innovation Agency, Surabaya, Indonesia
| | - Yuniati Yuniati
- Research Center for Hydrodynamic Technology, National Research and Innovation Agency, Surabaya, Indonesia
| | - Endah Suwarni
- Research Center for Hydrodynamic Technology, National Research and Innovation Agency, Surabaya, Indonesia
| | - Agus Sasmito
- Research Center for Hydrodynamic Technology, National Research and Innovation Agency, Surabaya, Indonesia
| | - Putri Virliani
- Research Center for Hydrodynamic Technology, National Research and Innovation Agency, Surabaya, Indonesia
| | - Shinta Johar Alif Rahadi
- Research Center for Hydrodynamic Technology, National Research and Innovation Agency, Surabaya, Indonesia
| | - Irianto Irianto
- Department General Education, Faculty of Resilience, Rabdan Academy, Abu Dhabi, United Arab Emirates
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3
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Souza SSD, Gomes AR, Guimarães ATB, Matos LPD, Mendonça JDS, Luz TMD, Matos SGDS, Rodrigues ASDL, Senthil-Nathan S, Rakib MRJ, Kamaraj C, Rocha TL, Islam ARMT, Malafaia G. Exposure to microcrystallized cellulose affects the health of tadpoles and sheds light on the threat these materials pose to amphibians. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 343:123236. [PMID: 38160776 DOI: 10.1016/j.envpol.2023.123236] [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: 07/04/2023] [Revised: 12/18/2023] [Accepted: 12/24/2023] [Indexed: 01/03/2024]
Abstract
The increasing use of cellulose-based materials (CBMs) has provided beneficial applications in different sectors. However, its release into environments may represent an ecological risk, therefore demanding that ecotoxicological studies be conducted to understand the risks (current and future) of CBM pollution. Thus, we evaluated the possible effects of microcrystalline cellulose (CMs) in Physalaemus cuvieri tadpoles. After seven days of exposure to CMs (at 58.29 and 100 mg/L), the animals were subjected to behavioral evaluation, and different biomarkers (biometric and biochemical) were evaluated. Although our data do not point to a neurotoxic effect of CMs (inferred by the absence of behavioral changes and changes in AChE and BChE activity), animals exposed to CMs showed differences in body condition. Furthermore, we noticed an increase in the frequency of erythrocyte nuclear abnormalities and DNA damage, which were correlated with the ingestion of CMs. We noticed that the antioxidant activity of tadpoles exposed to CMs (inferred by SOD, CAT, and DPPH radical scavenging activity) was insufficient to control the increase in ROS and MDA production. Furthermore, exposure to CMs induced a predominant Th2-specific immune response, marked by suppressed IFN-γ and increased IL-10 levels, with a consequent reduction in NO levels. Principal component analysis and IBRv-2 indicate, in general, a primarily more toxic response to animals exposed to the highest CM concentration. Therefore, our study evidence that CMs affect the health of P. cuvieri tadpoles and sheds light on the threat these materials pose to amphibians.
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Affiliation(s)
- Sindoval Silva de Souza
- Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil; Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus, Urutaí, GO, Brazil
| | - Alex Rodrigues Gomes
- Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil; Post-Graduation Program in Ecology, Conservation, And Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | | | - Letícia Paiva de Matos
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus, Urutaí, GO, Brazil
| | - Juliana Dos Santos Mendonça
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus, Urutaí, GO, Brazil
| | - Thiarlen Marinho da Luz
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus, Urutaí, GO, Brazil; Post-Graduation Program in Ecology, Conservation, And Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil
| | | | - Aline Sueli de Lima Rodrigues
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus, Urutaí, GO, Brazil; Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil
| | - Sengottayan Senthil-Nathan
- Division of Biopesticides and Environmental Toxicology, Sri Paramakalyani Centre for Excellence in Environmental Sciences, Manonmaniam Sundaranar University, Alwarkurichi, Tirunelveli, Tamil Nadu, 627 412, India
| | | | | | - Thiago Lopes Rocha
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiania, Goiás, Brazil; Post-Graduation Program in Biology of the Parasite-Host Relationship (PPGBRPH), Institute of Tropical Pathology and Public Health, Federal University of Goiás, Brazil
| | | | - Guilherme Malafaia
- Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil; Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute - Urutaí Campus, Urutaí, GO, Brazil; Post-Graduation Program in Ecology, Conservation, And Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil; Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Biology of the Parasite-Host Relationship (PPGBRPH), Institute of Tropical Pathology and Public Health, Federal University of Goiás, Brazil.
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4
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Zhang S, Reyes G, Khakalo A, Rojas OJ. Hollow Filaments from Coaxial Dry-Jet Wet Spinning of a Cellulose Solution in an Ionic Liquid: Wet-Strength and Water Interactions. Biomacromolecules 2024; 25:282-289. [PMID: 38086070 PMCID: PMC10777343 DOI: 10.1021/acs.biomac.3c00984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 11/23/2023] [Accepted: 11/28/2023] [Indexed: 01/09/2024]
Abstract
Hollow tubing and tubular filaments are highly relevant to membrane technologies, vascular tissue engineering, and others. In this context, we introduce hollow filaments (HF) produced through coaxial dry-jet wet spinning of cellulose dissolved in an ionic liquid ([emim][OAc]). The HF, developed upon regeneration in water (23 °C), displays superior mechanical performance (168 MPa stiffness and 60% stretchability) compared to biobased counterparts, such as those based on collagen. The results are rationalized by the effects of crystallinity, polymer orientation, and other factors associated with rheology, thermal stability, and dynamic vapor sorption. The tensile strength and strain of the HF (dry and wet) are enhanced by drying and wetting cycles (water vapor sorption and desorption experiments). Overall, we unveil the role of water molecules in the wet performance of HF produced by cellulose regeneration from [emim][OAc], which offers a basis for selecting suitable applications.
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Affiliation(s)
- Shiying Zhang
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, FI-02150 Espoo, Finland
| | - Guillermo Reyes
- Department
of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, FI-02150 Espoo, Finland
| | - Alexey Khakalo
- VTT
Technical Research Center of Finland, Fl-02150 Espoo, Finland
| | - Orlando J. Rojas
- Bioproducts
Institute, Department of Chemical & Biological Engineering, Department
of Chemistry and Department of Wood Science, The University of British Columbia, 2360 East Mall, Vancouver, BC V6T 1Z3, Canada
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5
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Luongo A, von Stockert AR, Scherag FD, Brandstetter T, Biesalski M, Rühe J. Controlling Fluorescent Readout in Paper-based Analytical Devices. ACS Biomater Sci Eng 2023; 9:6379-6389. [PMID: 37875260 PMCID: PMC10649804 DOI: 10.1021/acsbiomaterials.3c00736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 09/14/2023] [Indexed: 10/26/2023]
Abstract
Paper is an ideal candidate for the development of new disposable diagnostic devices because it is a low-cost material, allows transport of the liquid on the device by capillary action, and is environmentally friendly. Today, colorimetric analysis is most often used as a detection method for rapid tests (test strips or lateral flow devices) but usually gives only qualitative results and is limited by a relatively high detection threshold. Here, we describe studies using fluorescence as a readout tool for paper-based diagnostics. We study how the optical readout is affected by light transmission, scattering, and fluorescence as a function of paper characteristics such as thickness (grammage), water content, autofluorescence, and paper type/composition. We show that paper-based fluorescence analysis allows better optical readout compared to that of nitrocellulose, which is currently the material of choice in colorimetric assays. To reduce the loss of analyte molecules (e.g., proteins) due to adsorption to the paper surface, we coat the paper fibers with a protein-repellent hydrogel. For this purpose, we use hydrophilic copolymers consisting of N,N-dimethyl acrylamide and a benzophenone-based cross-linker, which are photochemically transformed into a fiber-attached polymer hydrogel on the paper fiber surfaces in situ. We show that the combination of fluorescence detection and the use of a protein-repellent coating enables sensitive paper-based analysis. Finally, the success of the strategy is demonstrated by using a simple LFD application as an example.
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Affiliation(s)
- Anna Luongo
- Laboratory
for Chemistry & Physics of Interfaces, Department of Microsystems
Engineering (IMTEK), Albert-Ludwigs-Universität
Freiburg, Freiburg 79110, Germany
- Freiburg
Institute for Interactive Materials and Bioinspired Technologies (FIT), Albert-Ludwigs-Universität Freiburg, Freiburg 79110, Germany
| | | | - Frank D. Scherag
- Laboratory
for Chemistry & Physics of Interfaces, Department of Microsystems
Engineering (IMTEK), Albert-Ludwigs-Universität
Freiburg, Freiburg 79110, Germany
- Freiburg
Institute for Interactive Materials and Bioinspired Technologies (FIT), Albert-Ludwigs-Universität Freiburg, Freiburg 79110, Germany
| | - Thomas Brandstetter
- Laboratory
for Chemistry & Physics of Interfaces, Department of Microsystems
Engineering (IMTEK), Albert-Ludwigs-Universität
Freiburg, Freiburg 79110, Germany
- Freiburg
Institute for Interactive Materials and Bioinspired Technologies (FIT), Albert-Ludwigs-Universität Freiburg, Freiburg 79110, Germany
| | - Markus Biesalski
- Macromolecular
Chemistry & Paper Chemistry, Technical
University of Darmstadt, Darmstadt 64287, Germany
| | - Jürgen Rühe
- Laboratory
for Chemistry & Physics of Interfaces, Department of Microsystems
Engineering (IMTEK), Albert-Ludwigs-Universität
Freiburg, Freiburg 79110, Germany
- Freiburg
Institute for Interactive Materials and Bioinspired Technologies (FIT), Albert-Ludwigs-Universität Freiburg, Freiburg 79110, Germany
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6
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Ye Y, Yu L, Lizundia E, Zhu Y, Chen C, Jiang F. Cellulose-Based Ionic Conductor: An Emerging Material toward Sustainable Devices. Chem Rev 2023; 123:9204-9264. [PMID: 37419504 DOI: 10.1021/acs.chemrev.2c00618] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/09/2023]
Abstract
Ionic conductors (ICs) find widespread applications across different fields, such as smart electronic, ionotronic, sensor, biomedical, and energy harvesting/storage devices, and largely determine the function and performance of these devices. In the pursuit of developing ICs required for better performing and sustainable devices, cellulose appears as an attractive and promising building block due to its high abundance, renewability, striking mechanical strength, and other functional features. In this review, we provide a comprehensive summary regarding ICs fabricated from cellulose and cellulose-derived materials in terms of fundamental structural features of cellulose, the materials design and fabrication techniques for engineering, main properties and characterization, and diverse applications. Next, the potential of cellulose-based ICs to relieve the increasing concern about electronic waste within the frame of circularity and environmental sustainability and the future directions to be explored for advancing this field are discussed. Overall, we hope this review can provide a comprehensive summary and unique perspectives on the design and application of advanced cellulose-based ICs and thereby encourage the utilization of cellulosic materials toward sustainable devices.
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Affiliation(s)
- Yuhang Ye
- Sustainable Functional Biomaterials Lab, Department of Wood Science, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
- Bioproducts Institute, The University of British Columbia, 2385 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
| | - Le Yu
- School of Resource and Environmental Sciences, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, P. R. China
| | - Erlantz Lizundia
- Life Cycle Thinking Group, Department of Graphic Design and Engineering Projects, Faculty of Engineering in Bilbao University of the Basque Country (UPV/EHU), Bilbao 48013, Spain
- BCMaterials Lab, Basque Center for Materials, Applications and Nanostructures, Leioa 48940, Spain
| | - Yeling Zhu
- Sustainable Functional Biomaterials Lab, Department of Wood Science, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
- Bioproducts Institute, The University of British Columbia, 2385 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
| | - Chaoji Chen
- School of Resource and Environmental Sciences, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, P. R. China
| | - Feng Jiang
- Sustainable Functional Biomaterials Lab, Department of Wood Science, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
- Bioproducts Institute, The University of British Columbia, 2385 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
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7
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Ali SS, Abdelkarim EA, Elsamahy T, Al-Tohamy R, Li F, Kornaros M, Zuorro A, Zhu D, Sun J. Bioplastic production in terms of life cycle assessment: A state-of-the-art review. ENVIRONMENTAL SCIENCE AND ECOTECHNOLOGY 2023; 15:100254. [PMID: 37020495 PMCID: PMC10068114 DOI: 10.1016/j.ese.2023.100254] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 02/13/2023] [Accepted: 02/15/2023] [Indexed: 06/19/2023]
Abstract
The current transition to sustainability and the circular economy can be viewed as a socio-technical response to environmental impacts and the need to enhance the overall performance of the linear production and consumption paradigm. The concept of biowaste refineries as a feasible alternative to petroleum refineries has gained popularity. Biowaste has become an important raw material source for developing bioproducts and biofuels. Therefore, effective environmental biowaste management systems for the production of bioproducts and biofuels are crucial and can be employed as pillars of a circular economy. Bioplastics, typically plastics manufactured from bio-based polymers, stand to contribute to more sustainable commercial plastic life cycles as part of a circular economy in which virgin polymers are made from renewable or recycled raw materials. Various frameworks and strategies are utilized to model and illustrate additional patterns in fossil fuel and bioplastic feedstock prices for various governments' long-term policies. This review paper highlights the harmful impacts of fossil-based plastic on the environment and human health, as well as the mass need for eco-friendly alternatives such as biodegradable bioplastics. Utilizing new types of bioplastics derived from renewable resources (e.g., biowastes, agricultural wastes, or microalgae) and choosing the appropriate end-of-life option (e.g., anaerobic digestion) may be the right direction to ensure the sustainability of bioplastic production. Clear regulation and financial incentives are still required to scale from niche polymers to large-scale bioplastic market applications with a truly sustainable impact.
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Affiliation(s)
- Sameh Samir Ali
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, PR China
- Botany Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt
| | - Esraa A. Abdelkarim
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, PR China
| | - Tamer Elsamahy
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, PR China
| | - Rania Al-Tohamy
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, PR China
| | - Fanghua Li
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, Heilongjiang Province, 150090, China
| | - Michael Kornaros
- Laboratory of Biochemical Engineering & Environmental Technology (LBEET), Department of Chemical Engineering, University of Patras, 26504, Patras, Greece
| | - Antonio Zuorro
- Department of Chemical Engineering, Materials and Environment, Sapienza University, 00184, Rome, Italy
| | - Daochen Zhu
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, PR China
| | - Jianzhong Sun
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, PR China
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8
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Samyn P, Meftahi A, Geravand SA, Heravi MEM, Najarzadeh H, Sabery MSK, Barhoum A. Opportunities for bacterial nanocellulose in biomedical applications: Review on biosynthesis, modification and challenges. Int J Biol Macromol 2023; 231:123316. [PMID: 36682647 DOI: 10.1016/j.ijbiomac.2023.123316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/30/2022] [Accepted: 01/13/2023] [Indexed: 01/22/2023]
Abstract
Bacterial nanocellulose (BNC) is a natural polysaccharide produced as extracellular material by bacterial strains and has favorable intrinsic properties for primary use in biomedical applications. In this review, an update on state-of-the art and challenges in BNC production, surface modification and biomedical application is given. Recent insights in biosynthesis allowed for better understanding of governing parameters improving production efficiency. In particular, introduction of different carbon/nitrogen sources from alternative feedstock and industrial upscaling of various production methods is challenging. It is important to have control on the morphology, porosity and forms of BNC depending on biosynthesis conditions, depending on selection of bacterial strains, reactor design, additives and culture conditions. The BNC is intrinsically characterized by high water absorption capacity, good thermal and mechanical stability, biocompatibility and biodegradability to certain extent. However, additional chemical and/or physical surface modifications are required to improve cell compatibility, protein interaction and antimicrobial properties. The novel trends in synthesis include the in-situ culturing of hybrid BNC nanocomposites in combination with organic material, inorganic material or extracellular components. In parallel with toxicity studies, the applications of BNC in wound care, tissue engineering, medical implants, drug delivery systems or carriers for bioactive compounds, and platforms for biosensors are highlighted.
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Affiliation(s)
- Pieter Samyn
- SIRRIS, Department Innovations in Circular Economy, Leuven, Belgium.
| | - Amin Meftahi
- Department of Polymer and Textile Engineering, South Tehran Branch, Islamic Azad University, Tehran, Iran; Nanotechnology Research Center, Islamic Azad University, South Tehran Branch, Tehran, Iran
| | - Sahar Abbasi Geravand
- Department of Technical & Engineering, South Tehran Branch, Islamic Azad University, Tehran, Iran
| | | | - Hamideh Najarzadeh
- Department of Textile Engineering, Science And Research Branch, Islamic Azad University, Tehran, Iran
| | | | - Ahmed Barhoum
- NanoStruc Research Group, Chemistry Department, Faculty of Science, Helwan University, 11795 Cairo, Egypt; School of Chemical Sciences, Dublin City University, Dublin 9, D09 Y074 Dublin, Ireland.
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9
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Ong XR, Chen AX, Li N, Yang YY, Luo HK. Nanocellulose: Recent Advances Toward Biomedical Applications. SMALL SCIENCE 2022. [DOI: 10.1002/smsc.202200076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Affiliation(s)
- Xuan-Ran Ong
- Agency for Science, Technology and Research Institute of Sustainability for Chemicals, Energy and Environment 1 Pesek Road, Jurong Island Singapore 627833 Singapore
| | - Adrielle Xianwen Chen
- Agency for Science, Technology and Research Institute of Bioengineering and Bioimaging 31 Biopolis Way Singapore 138669 Singapore
| | - Ning Li
- Agency for Science, Technology and Research Institute of Bioengineering and Bioimaging 31 Biopolis Way Singapore 138669 Singapore
| | - Yi Yan Yang
- Agency for Science, Technology and Research Institute of Bioengineering and Bioimaging 31 Biopolis Way Singapore 138669 Singapore
| | - He-Kuan Luo
- Agency for Science, Technology and Research Institute of Sustainability for Chemicals, Energy and Environment 1 Pesek Road, Jurong Island Singapore 627833 Singapore
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10
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Gamage A, Thiviya P, Mani S, Ponnusamy PG, Manamperi A, Evon P, Merah O, Madhujith T. Environmental Properties and Applications of Biodegradable Starch-Based Nanocomposites. Polymers (Basel) 2022; 14:polym14214578. [PMID: 36365571 PMCID: PMC9656360 DOI: 10.3390/polym14214578] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 10/21/2022] [Accepted: 10/25/2022] [Indexed: 12/01/2022] Open
Abstract
In recent years, the demand for environmental sustainability has caused a great interest in finding novel polymer materials from natural resources that are both biodegradable and eco-friendly. Natural biodegradable polymers can displace the usage of petroleum-based synthetic polymers due to their renewability, low toxicity, low costs, biocompatibility, and biodegradability. The development of novel starch-based bionanocomposites with improved properties has drawn specific attention recently in many applications, including food, agriculture, packaging, environmental remediation, textile, cosmetic, pharmaceutical, and biomedical fields. This paper discusses starch-based nanocomposites, mainly with nanocellulose, chitin nanoparticles, nanoclay, and carbon-based materials, and their applications in the agriculture, packaging, biomedical, and environment fields. This paper also focused on the lifecycle analysis and degradation of various starch-based nanocomposites.
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Affiliation(s)
- Ashoka Gamage
- Chemical and Process Engineering, Faculty of Engineering, University of Peradeniya, Peradeniya 20400, Sri Lanka
- Correspondence: (A.G.); (O.M.); Tel.: +94-714430714 (A.G.); +33-5-3432-3523 (O.M.)
| | - Punniamoorthy Thiviya
- Postgraduate Institute of Agriculture, University of Peradeniya, Peradeniya 20400, Sri Lanka
| | - Sudhagar Mani
- School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens, GA 30602, USA
| | | | - Asanga Manamperi
- Department of Chemical Engineering, College of Engineering, Kettering University, Flint, MI 48504-6214, USA
| | - Philippe Evon
- Laboratoire de Chimie Agro-Industrielle (LCA), Institut National de la Recherche Agronomique, Université de Toulouse, CEDEX 4, 31030 Toulouse, France
| | - Othmane Merah
- Laboratoire de Chimie Agro-Industrielle (LCA), Institut National de la Recherche Agronomique, Université de Toulouse, CEDEX 4, 31030 Toulouse, France
- Département Génie Biologique, IUT A, Université Paul Sabatier, 32000 Auch, France
- Correspondence: (A.G.); (O.M.); Tel.: +94-714430714 (A.G.); +33-5-3432-3523 (O.M.)
| | - Terrence Madhujith
- Department of Food Science and Technology, Faculty of Agriculture, University of Peradeniya, Peradeniya 20400, Sri Lanka
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11
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Huang J, Weng L, Zhang X, Long K, An X, Bao J, Wu H, Zhou X, Zhang S. Trypoxylus dichotomus Gut Bacteria Provides an Effective System for Bamboo Lignocellulose Degradation. Microbiol Spectr 2022; 10:e0214722. [PMID: 35993784 PMCID: PMC9602259 DOI: 10.1128/spectrum.02147-22] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 08/02/2022] [Indexed: 12/31/2022] Open
Abstract
Fast-growing bamboo may be a source of high-quality cellulose with the potential to contribute to energy sustainability, if an efficient and low-cost solution to bamboo cellulose decomposition can be developed. This study compared the gut microbiomes of rhinoceros beetle (Trypoxylus dichotomus) feeding on bamboo and wood fiber. The results revealed that diet has a distinctive effect on microbial composition in the midgut, including its most abundant microorganisms that in the fermentation and chemoheterotroph pathways. After identifying the 13 efficient bacterial isolates, we constructed a natural bacterial system based on the microbial relative abundance and an artificial bacterial system with equal proportions of each isolate to catabolize bamboo lignocellulose. The isolate Enterobacter sp. AZA_4_5 and the natural system showed higher degradation efficiency than other single strains or the artificial system. The results can thus serve as important reference for further research and development of a synthetic bacterial consortium to maximize lignocellulolytic ability. IMPORTANCE Bamboo produces a great yield of lignocellulosic biomass due to its high efficiency in carbon fixing. The gut microbiome of Trypoxylus dichotomus differed between bamboo and wood fiber diets. The lignocellulosic pathways were enriched in the gut bacteria of the bamboo diet. The highly efficient bacterial isolates were identified from midgut, whereas the natural bacterial system as well as one isolate showed the higher degradation efficiency of bamboo lignocellulose. The results indicate that the gut bacteria could provide an effective system to utilize the bamboo lignocellulosic biomass.
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Affiliation(s)
- Junhao Huang
- Department of Forestry Protection, School of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou, China
| | - Linyao Weng
- Department of Forestry Protection, School of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou, China
| | - Xinqi Zhang
- Department of Forestry Protection, School of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou, China
| | - Kui Long
- Department of Forestry Protection, School of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou, China
| | - Xiaojiao An
- College of Chemistry and Materials Engineering, National Engineering & Technology Research Center for the Comprehensive Utilization of Wood-Based Resources, Zhejiang A&F University, Hangzhou, China
| | - Jinliang Bao
- Shanzhizhou Ecological Agriculture Company Limited, Pan’an, China
| | - Hong Wu
- Department of Forestry Protection, School of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou, China
| | - Xudong Zhou
- Department of Forestry Protection, School of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou, China
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, China
| | - Shouke Zhang
- Department of Forestry Protection, School of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou, China
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, China
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12
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Jin L, Xu J, Yang Q, Huang Y, Zhang X, Yao W, Wang J, Zhao Y, Tian H, He M. Fabrication of cellulose/rectorite composite films for sustainable packaging. Int J Biol Macromol 2022; 224:1471-1477. [DOI: 10.1016/j.ijbiomac.2022.10.234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/23/2022] [Accepted: 10/25/2022] [Indexed: 11/05/2022]
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13
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Dutta S. Greening the Synthesis of Biorenewable Fuels and Chemicals by Stoichiometric Reagentless Organic Transformations. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c02322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Saikat Dutta
- Department of Chemistry, National Institute of Technology Karnataka (NITK), Surathkal, Mangaluru-575025, Karnataka, India
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14
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Tanpichai S, Boonmahitthisud A, Soykeabkaew N, Ongthip L. Review of the recent developments in all-cellulose nanocomposites: Properties and applications. Carbohydr Polym 2022; 286:119192. [DOI: 10.1016/j.carbpol.2022.119192] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 01/25/2022] [Accepted: 01/26/2022] [Indexed: 12/21/2022]
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15
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Busiak R, Masek A, Węgier A, Rylski A. Accelerated Aging of Epoxy Biocomposites Filled with Cellulose. MATERIALS 2022; 15:ma15093256. [PMID: 35591590 PMCID: PMC9104355 DOI: 10.3390/ma15093256] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 04/09/2022] [Accepted: 04/26/2022] [Indexed: 11/21/2022]
Abstract
The presented research concerns the mechanochemical modification of a snap-cure type of epoxy resin, A.S. SET 1010, with the addition of different amounts of cellulose (0, 2, 5, 10, 15 and 20 per 100 resin), for a novel, controlled-degradation material with possible application in the production of passenger seats in rail transport. Composite samples were prepared on a hydraulic press in ac-cordance with the resin manufacturer’s recommendations, in the form of tiles with dimensions of 80 × 80 × 1 mm. The prepared samples were subjected to thermo-oxidative aging and weathering for a period of 336 h. Changes in the color and surface defects in the investigated composites were evaluated using UV-Vis spectrophotometry (Cie-Lab). The degree of degradation by changes in the chemical structure of the samples was analyzed using FTIR/ATR spectroscopy. Differential scan-ning calorimetry (DSC) and thermogravimetric analysis (TGA) tests were performed, and the sur-face energy of the samples was determined by measuring the contact angle of droplets. Tests were performed to determine changes in cellulose-filled epoxy resin composites after thermo-oxidative aging and weathering. It was found out that the addition of cellulose did not inflict sufficient changes to the properties within tested parameters. In the tested case, cellulose acted as a natural active biofiller. Our research is in line with the widespread pursuit of pro-ecological solutions in industry and the creation of materials with a positive impact on the natural environment.
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Affiliation(s)
- Radosław Busiak
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 16, 90-537 Lodz, Poland; (R.B.); (A.W.)
| | - Anna Masek
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 16, 90-537 Lodz, Poland; (R.B.); (A.W.)
- Correspondence:
| | - Aleksandra Węgier
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 16, 90-537 Lodz, Poland; (R.B.); (A.W.)
- S.Z.T.K. “TAPS”—Maciej Kowalski, ul. Borowa 4, 94-247 Lodz, Poland
| | - Adam Rylski
- Institute of Materials Science and Engineering, Lodz University of Technology, 90-924 Lodz, Poland;
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16
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Das R, Lindström T, Sharma PR, Chi K, Hsiao BS. Nanocellulose for Sustainable Water Purification. Chem Rev 2022; 122:8936-9031. [PMID: 35330990 DOI: 10.1021/acs.chemrev.1c00683] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Nanocelluloses (NC) are nature-based sustainable biomaterials, which not only possess cellulosic properties but also have the important hallmarks of nanomaterials, such as large surface area, versatile reactive sites or functionalities, and scaffolding stability to host inorganic nanoparticles. This class of nanomaterials offers new opportunities for a broad spectrum of applications for clean water production that were once thought impractical. This Review covers substantial discussions based on evaluative judgments of the recent literature and technical advancements in the fields of coagulation/flocculation, adsorption, photocatalysis, and membrane filtration for water decontamination through proper understanding of fundamental knowledge of NC, such as purity, crystallinity, surface chemistry and charge, suspension rheology, morphology, mechanical properties, and film stability. To supplement these, discussions on low-cost and scalable NC extraction, new characterizations including solution small-angle X-ray scattering evaluation, and structure-property relationships of NC are also reviewed. Identifying knowledge gaps and drawing perspectives could generate guidance to overcome uncertainties associated with the adaptation of NC-enabled water purification technologies. Furthermore, the topics of simultaneous removal of multipollutants disposal and proper handling of post/spent NC are discussed. We believe NC-enabled remediation nanomaterials can be integrated into a broad range of water treatments, greatly improving the cost-effectiveness and sustainability of water purification.
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Affiliation(s)
- Rasel Das
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794-3400, United States
| | - Tom Lindström
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794-3400, United States.,KTH Royal Institute of Technology, Stockholm 100 44, Sweden
| | - Priyanka R Sharma
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794-3400, United States
| | - Kai Chi
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794-3400, United States
| | - Benjamin S Hsiao
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794-3400, United States
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17
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Sadare OO, Yoro KO, Moothi K, Daramola MO. Lignocellulosic Biomass-Derived Nanocellulose Crystals as Fillers in Membranes for Water and Wastewater Treatment: A Review. MEMBRANES 2022; 12:membranes12030320. [PMID: 35323795 PMCID: PMC8951035 DOI: 10.3390/membranes12030320] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 12/31/2021] [Accepted: 01/03/2022] [Indexed: 12/29/2022]
Abstract
The improvement of membrane applications for wastewater treatment has been a focal point of research in recent times, with a wide variety of efforts being made to enhance the performance, integrity and environmental friendliness of the existing membrane materials. Cellulose nanocrystals (CNCs) are sustainable nanomaterials derived from microorganisms and plants with promising potential in wastewater treatment. Cellulose nanomaterials offer a satisfactory alternative to other environmentally harmful nanomaterials. However, only a few review articles on this important field are available in the open literature, especially in membrane applications for wastewater treatment. This review briefly highlights the circular economy of waste lignocellulosic biomass and the isolation of CNCs from waste lignocellulosic biomass for membrane applications. The surface chemical functionalization technique for the preparation of CNC-based materials with the desired functional groups and properties is outlined. Recent uses of CNC-based materials in membrane applications for wastewater treatment are presented. In addition, the assessment of the environmental impacts of CNCs, cellulose extraction, the production techniques of cellulose products, cellulose product utilization, and their end-of-life disposal are briefly discussed. Furthermore, the challenges and prospects for the development of CNC from waste biomass for application in wastewater treatment are discussed extensively. Finally, this review unraveled some important perceptions on the prospects of CNC-based materials, especially in membrane applications for the treatment of wastewater.
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Affiliation(s)
- Olawumi O. Sadare
- Department of Chemical Engineering, Faculty of Engineering the Built Environment, Doornfontein Campus, University of Johannesburg, P.O. Box 17011, Johannesburg 2028, South Africa;
- Correspondence: ; Tel.: +27-843618562
| | - Kelvin O. Yoro
- Energy Technologies Area, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, USA;
| | - Kapil Moothi
- Department of Chemical Engineering, Faculty of Engineering the Built Environment, Doornfontein Campus, University of Johannesburg, P.O. Box 17011, Johannesburg 2028, South Africa;
| | - Michael O. Daramola
- Department of Chemical Engineering, Faculty of Engineering, Built Environment and Information Technology, University of Pretoria, Hatfield, Pretoria 0028, South Africa;
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18
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Sustainable Development of Hot-Pressed All-Lignocellulose Composites-Comparing Wood Fibers and Nanofibers. Polymers (Basel) 2021; 13:polym13162747. [PMID: 34451285 PMCID: PMC8399967 DOI: 10.3390/polym13162747] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 08/06/2021] [Accepted: 08/08/2021] [Indexed: 11/17/2022] Open
Abstract
Low-porosity materials based on hot-pressed wood fibers or nanocellulose fibrils (no polymer matrix) represent a new concept for eco-friendly materials with interesting mechanical properties. For the replacement of fossil-based materials, physical properties of wood fiber materials need to be improved. In addition, the carbon footprint and cumulative energy required to produce the material also needs to be reduced compared with fossil-based composites, e.g., glass fiber composites. Lignin-containing fibers and nanofibers are of high yield and special interest for development of more sustainable materials technologies. The present mini-review provides a short analysis of the potential. Different extraction routes of lignin-containing wood fibers are discussed, different processing methods, and the properties of resulting fiber materials. Comparisons are made with analogous lignin-containing nanofiber materials, where mechanical properties and eco-indicators are emphasized. Higher lignin content may promote eco-friendly attributes and improve interfiber or interfibril bonding in fiber materials, for improved mechanical performance.
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19
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Shaikh HM, Anis A, Poulose AM, Al-Zahrani SM, Madhar NA, Alhamidi A, Alam MA. Isolation and Characterization of Alpha and Nanocrystalline Cellulose from Date Palm ( Phoenix dactylifera L.) Trunk Mesh. Polymers (Basel) 2021; 13:polym13111893. [PMID: 34200274 PMCID: PMC8200950 DOI: 10.3390/polym13111893] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 06/03/2021] [Accepted: 06/04/2021] [Indexed: 11/16/2022] Open
Abstract
Highly pure cellulosic polymers obtained from waste lignocellulose offer great potential for designing novel materials in the concept of biorefinery. In this work, alpha-cellulose and nanocrystalline cellulose were isolated from the date palm trunk mesh (DPTM) through a series of physicochemical treatments. Supercritical carbon dioxide treatment was used to remove soluble extractives, and concentrated alkali pretreatment was used to eliminate the lignin portion selectively to obtain alpha-cellulose in approximately 94% yield. Further treatments of this cellulose yielded nanocrystalline cellulose. The structure–property relationship studies were carried out by characterizing the obtained polymers by various standard methods and analytical techniques such as Fourier transform infrared spectroscopy-attenuated total reflection (FTIR-ATR), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), energy dispersive X-ray diffraction (EDX-XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Almost 65% yield of pure cellulose was achieved, out of which 94% is the alpha-cellulose. This cellulose shows good thermal stability and crystallinity. The microscopic analysis of the nanocellulose showed a heterogeneous mix of irregular-shaped particles with a size range of 20–60 nm. The percentage crystallinity of alpha-cellulose and nanocellulose was found to be 68.9 and 71.8, respectively. Thus, this study shows that, this DPTM-based low-cost waste biomass can be a potential source to obtain cellulose and nano-cellulose.
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Affiliation(s)
- Hamid M. Shaikh
- SABIC Polymer Research Center (SPRC), Department of Chemical Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia; (A.A.); (A.M.P.); (S.M.A.-Z.); (A.A.)
- Correspondence: ; Tel.: +966-41-1176747
| | - Arfat Anis
- SABIC Polymer Research Center (SPRC), Department of Chemical Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia; (A.A.); (A.M.P.); (S.M.A.-Z.); (A.A.)
| | - Anesh Manjaly Poulose
- SABIC Polymer Research Center (SPRC), Department of Chemical Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia; (A.A.); (A.M.P.); (S.M.A.-Z.); (A.A.)
| | - Saeed M. Al-Zahrani
- SABIC Polymer Research Center (SPRC), Department of Chemical Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia; (A.A.); (A.M.P.); (S.M.A.-Z.); (A.A.)
| | - Niyaz Ahamad Madhar
- Department of Physics and Astronomy, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia;
| | - Abdullah Alhamidi
- SABIC Polymer Research Center (SPRC), Department of Chemical Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia; (A.A.); (A.M.P.); (S.M.A.-Z.); (A.A.)
| | - Mohammad Asif Alam
- Center of Excellence for Research in Engineering Materials (CEREM), King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia;
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20
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The Life Cycle Assessment for Polylactic Acid (PLA) to Make It a Low-Carbon Material. Polymers (Basel) 2021; 13:polym13111854. [PMID: 34199643 PMCID: PMC8199738 DOI: 10.3390/polym13111854] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 05/27/2021] [Accepted: 06/01/2021] [Indexed: 01/29/2023] Open
Abstract
The massive plastic production worldwide leads to a global concern for the pollution made by the plastic wastes and the environmental issues associated with them. One of the best solutions is replacing the fossil-based plastics with bioplastics. Bioplastics such as polylactic acid (PLA) are biodegradable materials with less greenhouse gas (GHG) emissions. PLA is a biopolymer produced from natural resources with good mechanical and chemical properties, therefore, it is used widely in packaging, agriculture, and biomedical industries. PLA products mostly end up in landfills or composting. In this review paper, the existing life cycle assessments (LCA) for PLA were comprehensively reviewed and classified. According to the LCAs, the energy and materials used in the whole life cycle of PLA were reported. Finally, the GHG emissions of PLA in each stage of its life cycle, including feedstock acquisition and conversion, manufacturing of PLA products, the PLA applications, and the end of life (EoL) options, were described. The most energy-intensive stage in the life cycle of PLA is its conversion. By optimizing the conversion process of PLA, it is possible to make it a low-carbon material with less dependence on energy sources.
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21
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Comparative Life Cycle Assessment of Cellulose Nanofibres Production Routes from Virgin and Recycled Raw Materials. Molecules 2021; 26:molecules26092558. [PMID: 33924756 PMCID: PMC8125706 DOI: 10.3390/molecules26092558] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/20/2021] [Accepted: 04/23/2021] [Indexed: 11/24/2022] Open
Abstract
Nanocellulose-based materials are attracting an increasing interest for the positive role they could play in sustainable development; being originated from renewable resources. Moreover, cellulose has a high potential of recycling from both post-consumer waste and industrial waste. Both factors, i.e., recyclability and renewable resources; results are also extremely favourable in the perspective of circular economy. Despite all these positive aspects, an industrial production has yet to start. At the lab scale, many preparation methods of cellulose nanofibres (CNF) are available; here, the three most common are analysed: (1) enzymatic pre-treatment followed by homogenisation (ENZHO), (2) oxidative pre-treatment combined with homogenisation (TOHO) or (3) oxidative pre-treatment followed by sonication (TOSO). All three processes have been experimentally carried out starting from both virgin and recycled cellulose from industrial waste sludge. The environmental sustainability of these three routes is estimated by the Life Cycle Assessment (LCA) using experimental lab scale data. In this scenario, the comparative LCA has pointed out a superior performance of the ENZHO process, followed by TOHO and, lastly, by TOSO. The influence of energy consumption on the final results has been further investigated by a sensitivity analysis, showing that the TOHO and TOSO routes could reach similar performances by scaling-up the process from the laboratory. The different typology of CNF obtained by conducting the ENZHO process with respect to the TEMPO-mediated oxidation approach is also outlined as an additional element to be considered for the final selection of a suitable process.
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Momeni S, Rezvani Ghomi E, Shakiba M, Shafiei-Navid S, Abdouss M, Bigham A, Khosravi F, Ahmadi Z, Faraji M, Abdouss H, Ramakrishna S. The Effect of Poly (Ethylene glycol) Emulation on the Degradation of PLA/Starch Composites. Polymers (Basel) 2021; 13:1019. [PMID: 33806074 PMCID: PMC8036416 DOI: 10.3390/polym13071019] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 03/22/2021] [Accepted: 03/23/2021] [Indexed: 02/07/2023] Open
Abstract
As a hydrophilic renewable polymer, starch has been widely used in biocompatible plastics as a filler for more than two decades. The present study aimed at investigating the effects of polyethylene glycol (PEG), as a plasticizer, on the physicochemical properties of a hybrid composite-polylactic acid (PLA) and thermoplastic starch (TPS). A solvent evaporation process was adopted to gelatinize the starch and disparate PEG contents ranging from 3 to 15 wt.% (with respect to the sample weight) were examined. It was revealed that the increase in the PEG content was accompanied by an increment in the starch gelatinization degree. Referring to the microstructural analyses, the TPS/PLA mixture yielded a ductile hybrid composite with a fine morphology and a uniform phase. Nevertheless, two different solvents, including acetone and ethanol, were used to assess if they had any effect on the hybrid's morphology, tensile strength and thermal properties. It was found that ethanol culminated in a porous hybrid composite with a finer morphology and better starch distribution in the PLA structure than acetone. As the result of PEG addition to the composite, the crystallinity and tensile strength were decreased, whereas the elongation increased. The hydrolytic degradation of samples was assessed under different pH and thermal conditions. Moreover, the microbial degradation of the PLA/TPS hybrid composite containing different PEG molar fractions was investigated in the soil for 45 days. The rate of degradation in both hydrolytic and biodegradation increased in the samples with a higher amount of PEG with ethanol solvent.
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Affiliation(s)
- Sarieh Momeni
- Department of Chemistry, Amirkabir University of Technology, Tehran 15875-4413, Iran; (S.M.); (Z.A.)
| | - Erfan Rezvani Ghomi
- Center for Nanotechnology and Sustainability, Department of Mechanical Engineering, National University of Singapore, Singapore 117581, Singapore;
| | - Mohamadreza Shakiba
- Department of Chemistry, Amirkabir University of Technology, Tehran 15875-4413, Iran; (S.M.); (Z.A.)
| | - Saied Shafiei-Navid
- Department of Organic Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar 47416-95447, Iran;
| | - Majid Abdouss
- Department of Chemistry, Amirkabir University of Technology, Tehran 15875-4413, Iran; (S.M.); (Z.A.)
| | - Ashkan Bigham
- Institute of Polymers, Composites and Biomaterials—National Research Council (IPCB-CNR), Viale J.F. Kennedy 54—Mostra d’Oltremare pad. 20, 80125 Naples, Italy;
| | - Fatemeh Khosravi
- Center for Nanotechnology and Sustainability, Department of Mechanical Engineering, National University of Singapore, Singapore 117581, Singapore;
| | - Zahed Ahmadi
- Department of Chemistry, Amirkabir University of Technology, Tehran 15875-4413, Iran; (S.M.); (Z.A.)
| | - Mehdi Faraji
- School of Chemistry, College of Science, University of Tehran, Tehran 14155-6455, Iran;
| | - Hamidreza Abdouss
- Department of Polymer, Amirkabir University of Technology, Tehran 15875-4413, Iran;
| | - Seeram Ramakrishna
- Center for Nanotechnology and Sustainability, Department of Mechanical Engineering, National University of Singapore, Singapore 117581, Singapore;
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