Utilization and regeneration of waste sugarcane bagasse as a novel robust aerogel as an effective thermal, acoustic insulator, and oil adsorbent

Kumar, G. Suresh; Dora, D.T.K.; Jadav, Dristi; Naudiyal, Aditi; Singh, Anjali; Roy, Titash

doi:10.1016/j.jclepro.2021.126744

Cited by 53 publications

(17 citation statements)

References 58 publications

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“…The samples without hydrophobic modification exhibit WCA between 132–145° [ 80 , 81 , 84 , 85 , 86 , 87 ]. The surface silylation could be achieved using methyltrimethoxysilane (MTMS) [ 9 , 24 , 83 , 84 , 85 , 86 , 87 , 88 , 89 , 90 , 91 ] (WCA 130–152°), trimethylchlorosilane (TMCS) [ 82 ] (WCA 137–146°), hexadecyltrimethoxysilane (HDTMS) in a combination of MTMS [ 78 ] (WCA 107–159), or silicon ceramic coating powder (SCCP) [ 92 ].…”

Section: Aerogel Application In Water Remediationmentioning

confidence: 99%

“…Another example of ultralight aerogel was provided by Kumar et al [ 92 ] using waste sugarcane bagasse (SBA) modified with SCCP and elaborated by freeze-drying. Figure 4 (1) shows the macroscopic structure that can stand on the leaf of a flower due to its very low density.…”

Section: Aerogel Application In Water Remediationmentioning

confidence: 99%

“…( 3 ) Various organic solvent adsorption capacities of SBA1. The adsorption capacity of SBA over ten regeneration cycles from the oil-water system [ 92 ].…”

Section: Figurementioning

confidence: 99%

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Biopolymeric Fibrous Aerogels: The Sustainable Alternative for Water Remediation

et al. 2023

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The increment in water pollution due to the massive development in the industrial sector is a worldwide concern due to its impact on the environment and human health. Therefore, the development of new and sustainable alternatives for water remediation is needed. In this context, aerogels present high porosity, low density, and a remarkable adsorption capacity, making them candidates for remediation applications demonstrating high efficiency in removing pollutants from the air, soil, and water. Specifically, polymer-based aerogels could be modified in their high surface area to integrate functional groups, decrease their hydrophilicity, or increase their lipophilicity, among other variations, expanding and enhancing their efficiency as adsorbents for the removal of various pollutants in water. The aerogels based on natural polymers such as cellulose, chitosan, or alginate processed by different techniques presented high adsorption capacities, efficacy in oil/water separation and dye removal, and excellent recyclability after several cycles. Although there are different reviews based on aerogels, this work gives an overview of just the natural biopolymers employed to elaborate aerogels as an eco-friendly and renewable alternative. In addition, here we show the synthesis methods and applications in water cleaning from pollutants such as dyes, oil, and pharmaceuticals, providing novel information for the future development of biopolymeric-based aerogel.

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Section: Aerogel Application In Water Remediationmentioning

confidence: 99%

Section: Aerogel Application In Water Remediationmentioning

confidence: 99%

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Biopolymeric Fibrous Aerogels: The Sustainable Alternative for Water Remediation

et al. 2023

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“…6,19,20 By contrast, aero-and cryogels based on biopolymers can be created from abundant and cheap renewable biomass sources such as wood chips and agricultural residues, being highly appealing, sustainable, and biodegradable structures for removal of oil and organic solvents from aqueous environments. 10,[21][22][23][24] Recently porous solids derived from cellulose nanomaterials, such as cellulose nanobers (CNFs) and nanocrystals (CNCs), have attracted considerable research interest. [25][26][27] In most studies, CNCs or CNFs are used as a single component for the preparation of nanocellulose (NC)-based aerogels, [28][29][30] while very few reports focus on mixing different sizes of NC to prepare aerogels.…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Ultrahigh fluid sorption capacity of superhydrophobic and tough cryogels of cross-linked cellulose nanofibers, cellulose nanocrystals, and Ti₃C₂T_x MXene nanosheets

2022

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Binder‐free, non‐carcinogenic surfactant‐based cellulose‐rich bagasse foams as acoustic panels

Bikumalla,

Bhuvana,

Tiwari

et al. 2023

J of Applied Polymer Sci

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Toward identifying environmentally friendly sound‐absorbing materials, the fabrication of biodegradable bagasse foams and their acoustic absorption and transmission loss were investigated. 10‐mm‐thick bagasse foams were fabricated using different concentrations of four non‐carcinogenic surfactants: sodium dodecyl sulfate (SDS), sodium bicarbonate (SB), potassium oleate (PO), and polyoxyethylene sorbitol ester (T20). Electron microscopy revealed that the foams comprised microfibers with a 10%–25% porosity. The foams were found to be thermally stable up to 300 °C. While foams fabricated using SDS were found to have a maximum increment in acoustic absorption (by 200%), those made of T20 had a mild decrease in absorption. The increment in absorption was attributed to the decrease in crystallinity and increase in porosity of microstructure, and the decrement to the decrease in viscous nature. Minimal changes were observed in the transmission loss of the foams. The results presented here demonstrate a simple, scalable green method to fabricate porous biodegradable foams of bagasse, without using any binder or filler, suitable for acoustic insulation that fits sustainable development objectives.

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Utilization and regeneration of waste sugarcane bagasse as a novel robust aerogel as an effective thermal, acoustic insulator, and oil adsorbent

Cited by 53 publications

References 58 publications

Biopolymeric Fibrous Aerogels: The Sustainable Alternative for Water Remediation

Biopolymeric Fibrous Aerogels: The Sustainable Alternative for Water Remediation

Ultrahigh fluid sorption capacity of superhydrophobic and tough cryogels of cross-linked cellulose nanofibers, cellulose nanocrystals, and Ti₃C₂T_x MXene nanosheets

Binder‐free, non‐carcinogenic surfactant‐based cellulose‐rich bagasse foams as acoustic panels

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Utilization and regeneration of waste sugarcane bagasse as a novel robust aerogel as an effective thermal, acoustic insulator, and oil adsorbent

Cited by 53 publications

References 58 publications

Biopolymeric Fibrous Aerogels: The Sustainable Alternative for Water Remediation

Biopolymeric Fibrous Aerogels: The Sustainable Alternative for Water Remediation

Ultrahigh fluid sorption capacity of superhydrophobic and tough cryogels of cross-linked cellulose nanofibers, cellulose nanocrystals, and Ti3C2Tx MXene nanosheets

Binder‐free, non‐carcinogenic surfactant‐based cellulose‐rich bagasse foams as acoustic panels

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Ultrahigh fluid sorption capacity of superhydrophobic and tough cryogels of cross-linked cellulose nanofibers, cellulose nanocrystals, and Ti₃C₂T_x MXene nanosheets