A review on facile synthesis of nanoparticles made from biomass wastes

Kumar, Harish

doi:10.1007/s41204-022-00259-9

Cited by 5 publications

(5 citation statements)

References 114 publications

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“…After etheri cation, the synthesized CMC from various biomasses and waste papers are washed with an equal amount of simple alcohol and acid to neutralize the base and salt produced during the size reaction for the formation of CMC. The whole preparation technique for the CMC preparation is shown in Scheme 1 [10].…”

Section: Mercerization and Etheri Cationmentioning

confidence: 99%

“…Secondly, Alkali treatment in batch reactor improves internal surface swelling, lesser crystalline, and get betters lignin structural disorder. And lastly, bleaching treatment helps to destroy the color of the ber and is responsible for the white color of cellulose [10,36].…”

Section: Synthesis Of Cmc From Sugarcane Bagasse Wastementioning

confidence: 99%

“…The development of nanotechnology has shown that biopolymers including starch, cellulose, protein, and chitosan may be transformed into nanoparticles via physical or chemical processes [8]. The hydrogel is made up of hydrophilic polymer chains that have been cross-linked physically, chemically, or through polymerization [9,10]. It is a 3D network structure.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis of magnesium oxide nanocomposite film made from sugarcane bagasse waste

Kumar

Gaur

Karuna

2022

Preprint

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In this study, hydrogels comprised of magnesium oxide nanoparticles (MgO-NPs) are synthesized in situ and employed to make films from biopolymer nanocomposite materials. Synthesis of CMC from various types of wastes mainly depends on the whole pre-treatment process. UV-Vis spectroscopy, Fourier transmission electron microscopy (FTIR), scanning electron microscopy (SEM), Energy dispersive X-ray (EDX), and transform infrared spectroscopy were used to characterize MgO-NPs. A TEM image reveals MgO-NPs of 100 nm embedded in the sugarcane bagasse carboxymethyl cellulose (SB-CMC) hydrogel network. The successful absorption peak at 295 nm, which is brought on by the surface plasmon resonance (SPR), indicates the existence of MgO-NPs. A film with nanoparticles (SB-CMC-2) demonstrated a slower rate of biodegradation than the Film without nanoparticles (SB-CMC-1) sample. Glycerol typically increases film flexibility and extension. Film tensile strength (TS) and opacity are increased by MgO-NPs in CMC film while moisture content, solubility, and elongation at break are decreased.

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Section: Mercerization and Etheri Cationmentioning

confidence: 99%

Section: Synthesis Of Cmc From Sugarcane Bagasse Wastementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Synthesis of magnesium oxide nanocomposite film made from sugarcane bagasse waste

Kumar

Gaur

Karuna

2022

Preprint

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“…Starch, chitosan, cellulose and alginate are only some of the naturally occurring polysaccharides that have been put to use as beneficial SAH materials due to their abundance, lack of toxicity, biocompatibility and sustainability (Shariatinia, 2020). However, the use of sugarcane bagasse (SB), low cost industrial by product and the most practical 1 source of starch for the synthesis of SAHs from an economic standpoint has gained little consideration (Kumar, 2022). In addition to providing novel perspectives on how to utilise agricultural residues effectively, using SB as SAH substrate fosters the biodegradability of SAHs (Arafa et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Sugarcane Bagasse and Nano-zeolite based Slow Release Fe Fertiliser Hydrogel: Its Synthesis and Characterization

Sri,

Shanmugasundaram,

Marimuthu

et al. 2023

ASD

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Background: Iron (Fe) is an essential micronutrient that plays numerous vital functions in crop growth and development. This study was carried out to synthesise and characterize sugarcane bagasse and nano-zeolite based slow release Fe fertiliser hydrogel. Methods: At the Tamil Nadu Agricultural University in Coimbatore, a laboratory experiment was carried out to synthesize and characterise a slow release Fe fertiliser (SR Fe) hydrogel encompassing sugarcane bagasse and nano-zeolite. A slow-release Fe fertiliser was successfully created using the graft co-polymerization method. The chemical composition and surface morphology of the synthesised slow-release Fe fertiliser were characterised using scanning electron microscopy (SEM), FTIR, and thermogravimetric analysis (TGA). Result: SEM results show the evenly distributed pore space, and EDX data show that the superabsorbent nanocomposite was successfully loaded with fertiliser Fe. The grafting of acrylate-based monomers onto starch molecules, the incorporation of nano zeolite into the polymeric matrix, and the loading of Fe nutrition into the hydrogel network were all effective, according to the results of the FTIR analysis. The superabsorbent nanocomposite's temperature stability was demonstrated by the TGA research findings. The current study's findings demonstrated that the SR Fe fertiliser was successfully synthesised and may be regarded as the most promising option for slowly delivering nutrients to crops in order to meet their nutrient needs and improve nutrient use efficiency.

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“…These challenges led us to formulate a novel multinutrient fertiliser by integrating a soluble Fe fertiliser into an SB-based superabsorbent nanocomposite. SB to synthesise SH is a great idea that lowers manufacturing costs and opens new avenues for agroindustrial byproducts (Kumar, 2022). Nano-zeolite's strong hydrophilicity increases the superabsorbent nanocomposite's swelling capacity.…”

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confidence: 99%

Optimising reaction variables for the preparation of superabsorbent iron fertiliser hydrogel using sugarcane bagasse: A sustainable approach to improve crop nutrient release

Sri,

Shanmugasundaram,

Marimuthu

et al. 2023

JANS

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Iron (Fe) is a vital micronutrient essential for crop growth and development. Utilisation of bio-based, environmentally friendly functional polymers is inevitable for society. As an alternative to the conventional Fe fertiliser, the present study aimed to synthesise a higher Fe percentage containing hydrogel with organic substances that can facilitate the slow release of nutrients, reduce fertiliser nutrient fixation, and minimise environmental pollution. The reaction variables were optimised for the preparation of superabsorbent using sugarcane bagasse and nano-zeolite-based slow-release Fe fertiliser (SR Fe) hydrogel. This was formulated by graft, co-polymerising acrylic acid, acrylamide, sugarcane bagasse, and nano-zeolite with N,N'-methylene bis-acrylamide as a crosslinker and ammonium persulfate as an initiator. Based on the swelling percentage, the reaction variables of the SR Fe fertiliser were standardised. The crosslinker (MBA - 10 wt%), the initiator (APS - 10 wt%), the filler (Nano-zeolite - 10 wt%), the monomer acrylamide composition (AAm - 2g), the acrylic acid content (AA - 7 ml), the reaction temperature (60oC), and the drying temperature (40oC) were chosen based on desirable swelling percentage and loaded with Fe fertiliser. The Fe fertiliser was loaded to sugarcane bagasse in different ratios (1:0.5, 1:1, 1:1.5, 1:2). The present study showed that the SR Fe fertiliser with the highest percentage of Fe (6.4%) in the ratio of sugarcane bagasse to Fe fertiliser of 1:2 could be used as an effective SR Fe fertiliser to supply nutrients slowly to crops to meet their nutrient needs and improve nutrient use efficiency.

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A review on facile synthesis of nanoparticles made from biomass wastes

Cited by 5 publications

References 114 publications

Synthesis of magnesium oxide nanocomposite film made from sugarcane bagasse waste

Synthesis of magnesium oxide nanocomposite film made from sugarcane bagasse waste

Sugarcane Bagasse and Nano-zeolite based Slow Release Fe Fertiliser Hydrogel: Its Synthesis and Characterization

Optimising reaction variables for the preparation of superabsorbent iron fertiliser hydrogel using sugarcane bagasse: A sustainable approach to improve crop nutrient release

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