Rice straw derived graphene-silica based nanocomposite and its application in improved co-fermentative microbial enzyme production and functional stability

Asiri, Mohammed; Srivastava, Neha; Singh, Rajeev; Ali, Amer Al; Tripathi, S. C.; Alqahtani, Abdulaziz; Srivastava, Manish; Kumar, Ashutosh; Gupta, Vijai Kumar

doi:10.1016/j.scitotenv.2023.162765

Cited by 7 publications

(2 citation statements)

References 62 publications

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“…It is seen that overlapped broad absorption at regions 3300 cm -1 and strong absorption peaks of RS, compared PL and EFB at 1068 cm -1 and 899 cm -1 , corresponding to the silicone ions: silanol (Si-OH) and siloxane (Si-O-Si) bonds. The high difference peak at region 800-1200 cm -1 for RS possibly contains a high amount of Si-O, representing the silica compounds [32,43,44].…”

Section: Functional Groups Determination Of Calcinated Agro-wastes An...mentioning

confidence: 99%

“…Meanwhile, the RS surface morphology (Figure 2b) showed numerous small fragments that were aligned with the presence of pores that illustrated the surface of RS particles, suggesting that the rosettes microparticles are bound preferentially between themselves by cellulose derivates because the based structure was maintained, and the particles stayed interconnected [43]. Besides, Figure 2c demonstrates there are many big fragments scattered around the EFB surface, in agreement with previous studies on irregular geometries such as cylindrical, flaky, angular porous, and spongy structures grouped into spherical clusters.…”

Section: Morphological Structure Of Calcinated Agro-wastes and Agro-w...mentioning

confidence: 99%

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Modification of Agro-wastes Reinforced onto the PET Fabric for Decolorisation of Palm Oil Mill Effluent

Siti Samahani Suradi,

Muhammad Zarif Hazim Kamaruzaman,

Muhammad Izz Zakwan Mohd Dali

et al. 2024

ARAM

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The abundance of agricultural wastes from various industrialized processes has become one of the significant contributors to water pollution, particularly in the color of effluents from industrial-based palm oil mills. Inventively, this research focused on three different agro-wastes: pineapple leaves (PL), rice straw (RS), and empty fruit bunch (EFB) reinforced onto PET fabric composite and its decolorization performances by using palm oil mill final effluent discharged (POME-FED). The calcinated agro wastes/polyvinylidene fluoride (PVDF) reinforced onto the polyethylene terephthalate (PET) fabrics were prepared by using the dip-coating technique and characterized via Scanning Electron Microscopy (SEM-EDS), spectroscopy (FTIR-ATR), turbidity and color of POME-FED. It was found that the calcinated PL/PVDF/Fabric displayed the best performance in the turbidity and decolorization by 12.02 NTU, 760 ADMI, and ~60% color removal efficiency as compared with raw POME-FED (~1800 ADMI). Nevertheless, the decolorization efficiencies of RS/PVDF/Fabric and EFB/PVDF/Fabric had increased by ~37 % and ~49 %, respectively. It shows that the formation of a reinforcing layer on the PET fabric surface has improved the transparency of POME-FED. The SEM micrographs and the change of peaks at regions 1650 cm-1, 1450 cm-1, 1210 cm-1, and 990 cm-1 in composites' spectroscopies demonstrate the different patterns of these calcinated samples are various patterns that impart the strength of the composite fabric surface functionality and hydrophobicity. The reduction of the color value of effluent showed the hydrophobicity of the integrated palm oil waste coated with PET, which enables to trap of the particles in the effluent, thus this composite has potential use in the filtration of water treatment.

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Section: Functional Groups Determination Of Calcinated Agro-wastes An...mentioning

confidence: 99%

Section: Morphological Structure Of Calcinated Agro-wastes and Agro-w...mentioning

confidence: 99%

Modification of Agro-wastes Reinforced onto the PET Fabric for Decolorisation of Palm Oil Mill Effluent

Siti Samahani Suradi,

Muhammad Zarif Hazim Kamaruzaman,

Muhammad Izz Zakwan Mohd Dali

et al. 2024

ARAM

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Lignocellulosic Biomass‐Derived Graphene: Fabrication, Challenges and Its Potential for Hydrogen Storage Application

Singh,

Tudu,

Lal

et al. 2024

Energy Storage

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This review explores the utilization of lignocellulosic biomass (LCB) waste in the fabrication of graphene and its applications in hydrogen storage. Several LCB wastes, such as rice straws, coconut shells, wheat straws, and sugarcane bagasse, along with the methodology used and the characteristics of the final graphene, have been discussed in detail. It was found that the coconut shells produced crumpled multilayered graphene, rice husks (RHs) provided a mix of graphene layers and amorphous carbon, wheat straw yielded few‐layered graphene, and sugarcane bagasse contributed to different graphene‐like materials. This review has also focused on the various synthesis processes, such as carbonization, hydrothermal carbonization (HTC), chemical activation, pyrolysis, chemical vapor deposition (CVD), and Hummers' method for graphene fabrication from LCB waste, along with their advantages and disadvantages, for a better understanding. Various results have been discussed exploring the use of lignocellulosic biomass‐derived graphene (LCB‐G) and its various modified forms for hydrogen storage applications. Various challenges in graphene fabrication from LCB, such as low yield, product quality, scalability, use of expensive synthesis methods, and toxic chemicals, along with some potential solutions, have been mentioned. Finally, the review concludes with insights into the future of LCB‐G and its role in hydrogen storage while identifying some gaps, such as scalability and product quality, for further research and development.

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Superhydrophobic silica nanoparticles produced from rice husks, wettability at the macro- and nanoscale

Castillo,

Galarza-Acosta

2024

Appl. Phys. A

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Rice straw derived graphene-silica based nanocomposite and its application in improved co-fermentative microbial enzyme production and functional stability

Cited by 7 publications

References 62 publications

Modification of Agro-wastes Reinforced onto the PET Fabric for Decolorisation of Palm Oil Mill Effluent

Modification of Agro-wastes Reinforced onto the PET Fabric for Decolorisation of Palm Oil Mill Effluent

Lignocellulosic Biomass‐Derived Graphene: Fabrication, Challenges and Its Potential for Hydrogen Storage Application

Superhydrophobic silica nanoparticles produced from rice husks, wettability at the macro- and nanoscale

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