Development of a Low-Cost Banana Fiber Extractor

International Journal of Innovative Science and Research Technology (IJISRT), Год журнала: 2024, Номер unknown, С. 1672 - 1681

Опубликована: Май 3, 2024

Banana fiber is an underutilized natural resource with potential for industrial applications and value addition at the smallholder farm level. Traditional manual methods extracting fibers from banana plant wastes are inefficient labour-intensive. This limits opportunities rural communities in Africa to commercialize cultivation. The study aimed address this challenge by developing affordable effective mechanized solution tailored small farms. Key design considerations included ease of operation, portability, durability, optimization a single operator. Fabrication using basic workshop tools demonstrated technical feasibility. Structural analysis validated structural integrity. Performance testing showed 85% extraction efficiency 5.36kg/sec, outpacing methods. Results confirm machine promote higher yields. With further refinement, developed technology can stimulate enterprise industry centered on production, contributing improved livelihoods continent.

Язык: Английский

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Exploring the development and applications of sustainable natural fiber composites: A review from a nanoscale perspective

Composites Part B Engineering, Год журнала: 2024, Номер 276, С. 111369 - 111369

Опубликована: Март 8, 2024

Язык: Английский

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Recent developments on natural fiber concrete: A review of properties, sustainability, applications, barriers, and opportunities

Developments in the Built Environment, Год журнала: 2023, Номер 16, С. 100255 - 100255

Опубликована: Окт. 18, 2023

To reduce the carbon footprint of traditional concrete materials, natural fiber is vital. This study systematically analyzed 196 peer-reviewed papers using literature review method to understand fresh properties, mechanical durability, thermal conductivity, sound absorption sustainability, applications, barriers, and opportunities for concrete. The findings indicate that reduces cracking rate, increasing tensile strength. Although fibers enhance stress distribution within concrete, its stability, they compressive Additionally, 85.7% concretes exhibit considerable environmental benefits; however, 28.6% 43% reviewed studies effective economic social respectively. Moreover, this demonstrates following potential utilization: 60% in road pavements 30% residential buildings. However, still predominantly utilized laboratory stage. perspective noteworthy: summarizes barriers impede application develops relevant recommendations.

Язык: Английский

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Biomaterials technology and policies in the building sector: a review

Environmental Chemistry Letters, Год журнала: 2024, Номер 22(2), С. 715 - 750

Опубликована: Янв. 29, 2024

Abstract Traditional building materials have some drawbacks in the construction industry, particularly terms of greenhouse gas emissions and energy consumption. Biomaterials derived from renewable sources are a promising alternative, significantly reducing effect enhancing efficiency. However, traditional still dominate sector, there is lack understanding among policymakers developers regarding biomaterials. Here, we review biomaterials their policies life cycle assessment through case studies. Bio-based potential to reduce over 320,000 tons carbon dioxide by 2050. They also exhibit advantages like decreasing water absorption 40%, consumption 8.7%, acoustic 6.7%, improving mechanical properties. We summarize recent advancements mycelial materials, bioconcrete, natural fibers, fiber-reinforced composites. explore contributions nanotechnology microalgae technology biomaterials' thermal insulation eco-friendliness.

Язык: Английский

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Nanocellulose: Structure, modification, biodegradation and applications in agriculture as slow/controlled release fertilizer, superabsorbent, and crop protection: A review

Journal of Environmental Management, Год журнала: 2024, Номер 352, С. 119928 - 119928

Опубликована: Янв. 13, 2024

Язык: Английский

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A state-of-the-art review focusing on the significant techniques for naturally available fibers as reinforcement in sustainable bio-composites: Extraction, processing, purification, modification, as well as characterization study

Results in Engineering, Год журнала: 2023, Номер 20, С. 101511 - 101511

Опубликована: Окт. 18, 2023

Eco-friendly bio-active materials designed from available natural resources have been signified a big challenge in the past few decades. Nevertheless, deficiency of most essential knowledge regarding effective processing starting which has used to fabricate targeted bio-polymeric composites framework is considered foremost encounter. However, cellulosic fibers (generally extracted different parts plants like bast/bark, leaf, steam) received more attention researchers, due their outstanding physiochemical, thermomechanical, morphological properties and eco-friendly nature/sustainability. Basically, features hinge on proper preparation modification process. Conversely, main problem fiber its hydrophilic nature while polymeric matrix are hydrophobic thus it urgent reduce by conducting various significant chemical techniques so as improve overall quality reinforcement sustainable biocomposite. Therefore, will be proposed with detailed overview focusing notable process modifications characterization methods this review. We also summarize important findings earlier literature effects treatments being emphasized.

Язык: Английский

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An examination of recent research of water absorption behavior of natural fiber reinforced polylactic acid (PLA) composites: A review

International Journal of Biological Macromolecules, Год журнала: 2024, Номер 268, С. 131845 - 131845

Опубликована: Апрель 25, 2024

Язык: Английский

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Forecasting the strength of graphene nanoparticles-reinforced cementitious composites using ensemble learning algorithms

Results in Engineering, Год журнала: 2024, Номер 21, С. 101837 - 101837

Опубликована: Фев. 6, 2024

Contemporary infrastructure requires structural elements with enhanced mechanical strength and durability. Integrating nanomaterials into concrete is a promising solution to improve However, the intricacies of such nanoscale cementitious composites are highly complex. Traditional regression models encounter limitations in capturing these intricate compositions provide accurate reliable estimations. This study focuses on developing robust prediction for compressive (CS) graphene nanoparticle-reinforced (GrNCC) through machine learning (ML) algorithms. Three ML models, bagging regressor (BR), decision tree (DT), AdaBoost (AR), were employed predict CS based comprehensive dataset 172 experimental values. Seven input parameters, including graphite nanoparticle (GrN) diameter, water-to-cement ratio (wc), GrN content (GC), ultrasonication (US), sand (SC), curing age (CA), thickness (GT), considered. The trained 70 % data, remaining 30 data was used testing models. Statistical metrics as mean absolute error (MAE), root square (RMSE) correlation coefficient (R) assess predictive accuracy DT AR demonstrated exceptional accuracy, yielding high coefficients 0.983 0.979 training, 0.873 0.822 testing, respectively. Shapley Additive exPlanation (SHAP) analysis highlighted influential role positively impacting CS, while an increased (w/c) negatively affected CS. showcases efficacy techniques accurately predicting nanoparticle-modified concrete, offering swift cost-effective approach assessing nanomaterial impact reducing reliance time-consuming expensive experiments.

Язык: Английский

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Thermal degradation and fire retardant behaviour of natural fibre reinforced polymeric composites- A comprehensive review

Journal of Materials Research and Technology, Год журнала: 2024, Номер 30, С. 4053 - 4063

Опубликована: Апрель 17, 2024

In this comprehensive review, we dive into the potential of natural fibre composites, tracing their historical use spanning three millennia and recent incorporation polymer matrices. Various fibres, including flax, hemp, jute, more, have been explored as reinforcements due to renewable nature environmental appeal. Moreover, these fibers are gaining traction in industries such automotive packaging. Leveraging abundant agricultural waste as, wheat husk, rice straw, hemp commercially viable fibre-reinforced composites. A thorough summary is given article diverse array fibers, current research status, encompassing properties, processing techniques, filler materials on structural factors, thermogravimetric analysis, dynamic mechanical performance under thermal loading, fire retardant behaviour, cone calorimetric analysis various other applications, all while referencing latest developments field, exploring a sustainable future with Furthermore, difficulties associated vulnerability humidity, retardancy compliance matrices, examined. This paper summarizes complex field composites covers several stability-related appearance.

Язык: Английский

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A Comprehensive Review of Sustainability in Natural-Fiber-Reinforced Polymers

Sustainability, Год журнала: 2024, Номер 16(3), С. 1223 - 1223

Опубликована: Янв. 31, 2024

Fiber-reinforced polymer composites (FRCs) from renewable and biodegradable fiber sustainable resins have gained substantial attention for their potential to mitigate environmental impacts. The limitations of these become evident when considered in the context high-performance engineering applications, where synthetic like glass or carbon FRCs typically dominate. A balance between performance composite biodegradability is imperative pursuit what may be termed an environmentally conscious composite. This comprehensive review article provides some insight into sustainability FRCs, alongside detailing considerations at various stages—materials, performance, end life. discussion also covers different types natural fibers with current achievements mechanical functional properties such composites, followed by a broad survey applications across diverse applications.

Язык: Английский

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