Fabrication of Hydrophobic Coatings Using Sugarcane Bagasse Waste Ash as Silica Source

Natarajan, Sriharan; Subramaniyam, Senthil Thottipalayam; Kumaravel, Vignesh

doi:10.3390/app9010190

Cited by 8 publications

(2 citation statements)

References 54 publications

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“…In general, prismatic, spherical, and irregular-fibrous particles are present in SCBA. These morphologies are similar to those observed by Torres Agredo et al, Faria et al and Natarajan et al Crystallinity of Ethimale top ash samples is prominent in SEM images than the other two top ashes. This is indicated by the frequent presence of the fully burnt particles with sharp edges.…”

Section: Resultssupporting

confidence: 89%

Investigation of Pozzolanic Properties of Sugarcane Bagasse Ash for Commercial Applications

et al. 2023

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The ideal climatic and environmental conditions for sugarcane cultivation are present all year round in the tropical island of Sri Lanka. Given the annual sugar consumption of the nation, a significant amount of sugarcane bagasse ash (SCBA), a by-product with no intended commercial use but potential environmental and health risks, is produced. Numerous studies have been conducted recently to assess the viability of using SCBA as a pozzolanic material in structural applications. The purpose of this study is to evaluate the microstructure of SCBA samples from three sugar manufacturing facilities in Sri Lanka to identify the pozzolanic capacities. Several quantitative and qualitative characterization techniques have been utilized for the investigations. While maintaining the American Society for Testing and Materials (ASTM) 618 specification as the standard for pozzolanic properties, a comparative investigation of the attributes of samples from each location was conducted. Beyond that, the relationship between the SCBA generation process parameters and their impact on the properties of SCBA have been identified. Finally, the SCBA source of the Pelwatte unit has been identified as the ideal source for the pozzolanic material from the three locations, considering quality and the extent of additional treatments required before use. Other prospective areas of research on SCBA and its potential applications have been recognized.

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Section: Resultssupporting

confidence: 89%

Investigation of Pozzolanic Properties of Sugarcane Bagasse Ash for Commercial Applications

et al. 2023

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“…Silica from sugarcane bagasse is used for its antibacterial activities [237], photocatalysis ability against dyes [238,239] and heavy metals [152], used in agriculture [240], and has applications in hydrophobic coatings [241], insect control [242], membranes for wastewater purification [243,244], and fillers in polymeric composites [232]. Hikmah et al (2021) developed Fe 3+ -doped SiO 2 /TiO 2 composites using silica from sugarcane bagasse ash as an adsorption site to TiO 2 particles and promoted 98.18% degradation of Congo red dye through photocatalysis [238].…”

Section: Sugarcane-based Silicamentioning

confidence: 99%

Sugarcane Bagasse: Challenges and Opportunities for Waste Recycling

Hiranobe,

Gomes,

Paiva

et al. 2024

Clean Technol.

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Sugarcane has primarily been used for sugar and ethanol production. It creates large quantities of residual lignocellulosic biomass such as sugarcane bagasse, leaves, tops, and vinasse. Biomass is a sustainable prospect for biorefineries aiming to optimize production processes. We detail recent research developments in recycling sugarcane, including energy generation and pyrolysis to obtain biofuels, for example. To produce biochar, the energy cost of operating at high temperatures and large-scale production remain as obstacles. The energy generation prospects can be enhanced by pellet production; however, it requires an improvement in quality control for long-term storage or long-distance transportation. In civil construction, the materials still need to prove their long-term efficiency and reliability. Related to adsorbent materials, the use of sugarcane bagasse has the advantage of being low-cost and environmentally friendly. Nevertheless, the extraction, functionalization, and modification of cellulose fibers, to improve their adsorption properties or even mode of operation, still challenges. The synthesis of nanostructures is still lacking high yields and the ability to scale up. Finally, controlling dispersion and orientation and avoiding fiber agglomeration could improve the mechanical response of composites using sugarcane bagasse. The different possibilities for using sugarcane and its residues reinforce the importance of this material for the industry and the global economy. Thus, the present work addresses current challenges and perspectives of different industrial processes involving sugarcane aiming to support future research on waste-derived subjects.

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Superhydrophobic Coatings from Ecofriendly Materials and Processes: A Review

Bayer

2020

Adv Materials Inter

222

126

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So far, scientists have successfully mimicked superhydrophobicity based on careful observation and study of such surfaces found in nature. The key outcome is the fact that water‐repellent plant or insect surfaces have unique hierarchical scale texture. Embedded in such textures, existence of unique waxy protrusions or structures is also found which can easily trap air underneath water droplets. Today, researchers can duplicate such surface textures and render them more sophisticated with advanced nanofabrication, lithographic, and wet chemistry techniques. In doing so, synthetic materials having very low affinity to water are extensively utilized. Among them, perfluorinated compounds pose some environmental concerns. Moreover, most of the superhydrophobic coating formulations and processing are deemed not ecofriendly enough to sustain large‐scale fabrication or prohibitively expensive to transform into a standard industrial practice. Recently, however, significant efforts are made to fabricate superhydrophobic coatings by using natural materials and sustainable processes with lower potential environmental footprint. This review introduces, reviews, and discusses such advances, their performance compared to conventional ones while acknowledging the challenges and stressing the need to dedicate more resources to develop robust and long‐lasting superhydrophobic coatings originating from intelligent processing of natural materials or synthetic biodegradables with ecofriendly technologies.

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Fabrication of Hydrophobic Coatings Using Sugarcane Bagasse Waste Ash as Silica Source

Cited by 8 publications

References 54 publications

Investigation of Pozzolanic Properties of Sugarcane Bagasse Ash for Commercial Applications

Investigation of Pozzolanic Properties of Sugarcane Bagasse Ash for Commercial Applications

Sugarcane Bagasse: Challenges and Opportunities for Waste Recycling

Superhydrophobic Coatings from Ecofriendly Materials and Processes: A Review

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