Rice husk derived bioactive glass-ceramic as a functional bioceramic: Synthesis, characterization and biological testing

Naghizadeh, Farnaz; Kadir, Mohammed Rafiq Abdul; Doostmohammadi, Ali; Roozbahani, Fatemeh; Iqbal, Nida; Taheri, Mahdi; Naveen, Sangeetha Vasudevaraj; Kamarul, Tunku

doi:10.1016/j.jnoncrysol.2015.07.017

Cited by 32 publications

(11 citation statements)

References 48 publications

(69 reference statements)

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“…This agro-waste posed a serious solid waste disposal since the traditional method of disposal (open burning) is no longer accepted as it leads to emissions which is another environmental challenge. Currently, rice husk is being used as a raw material for production of bioenergy and valuable materials via thermochemical and biochemical processes [6][7][8][9]. Pyrolysis is a thermochemical process where biomass materials can be converted into solid (bio-char), liquid (bio-oil) and gaseous products (non-condensable) under inert environment.…”

Section: Introductionmentioning

confidence: 99%

Co-pyrolysis of Rice Husk with Underutilized Biomass Species: A Sustainable Route for Production of Precursors for Fuels and Valuable Chemicals

Mohammed

Lim

Kazi

et al. 2016

Waste Biomass Valor

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In this study, co-pyrolysis of rice husk with underutilized biomass, Napier grass and sago waste was carried out in a fixed bed reactor at 600°C, 30°C/min and 5 L/min nitrogen flowrate. Two-phase bio-oil (organic and aqueous) was collected and characterized using standard analytical techniques. 34.13-45.55 wt% total boil-oil yield was recorded using assorted biomass compared to pure risk husk biomass with 31.51 wt% yield. The organic phase consist mainly benzene derivatives with higher proportion in the oil from the co-pyrolysis process relative to the organic phase from the pyrolysis of the individual biomass while the aqueous phase in all cases was predominantly water, acids, ketones, aldehydes, sugars and traces of phenolics. This study has demonstrated a good approach towards increasing valorization of rice husk in a single reaction step for the production of high grade bio-oil, which can be transformed into fuel and valuable chemicals.

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Section: Introductionmentioning

confidence: 99%

Co-pyrolysis of Rice Husk with Underutilized Biomass Species: A Sustainable Route for Production of Precursors for Fuels and Valuable Chemicals

Mohammed

Lim

Kazi

et al. 2016

Waste Biomass Valor

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“…23,24 FTIR spectra of control EDC C2 (Figure 7B) which was composed of organic matrix and silica fillers, showed bands related to organic matrix and a band at 1029 cm −1 which was attributed to asymmetric stretching of Si-O-Si 25 due to the silica filler content, before SBF immersion. After SBF immersion a band at 1640 cm −1 appeared, which was attributed to the adsorbed H 2 O molecule deformation mode, 26,27 this band was observed in all FTIR spectra obtained after the SBF immersion. Furthermore, a band at 960 cm −1 appeared at the 3th week of SBF incubation and it was attributed to the HPO 2 − 4 group.…”

Section: Bioactivity Behaviormentioning

confidence: 83%

“…22 Bands at 1417 and 1454 cm −1 which were attributed to the CO 3 2-groups, together with the 871 cm −1 band indicate CHA formation. 22,26,39 Alumina content seems to slightly decrease CHA deposition on EDC surface, but silane modification of glasses has a more evident effect on CHA deposition as can be seen in SEM micrographs (Figure 6) and FTIR spectra after SBF immersion (Figure 7). Theoretical Ca/P molar ratio is 1.67 for HAP.…”

Section: Bioactivity Behavior Of Prepared Edcsmentioning

confidence: 92%

Investigation of alumina doped 45S5 glass as a bioactive filler for experimental dental composites

Elalmış

İkizler

Depren

et al. 2021

Int J of Appl Glass Sci

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This study aimed to investigate the effects of inclusion of Al 2 O 3 -doped bioactive glass (BG) and silane treatment on physical properties and bioactivity behavior of resin-based experimental dental composites (EDCs). Melt-derived 45S5 BG and alumina doped 45S5 BG were prepared and incorporated into EDCs with and without silanization. EDCs prepared were subjected to three-point bending, microhardness, water sorption (WS), solubility (S), and bioactivity tests. Using non-silanized Al 2 O 3doped BG in EDCs resulted in improved flexural strength (FS), flexural modulus (FM), and microhardness and decreased bioactivity compared to EDCs containing non-silanized BG. There was no significant difference (p < 0.05) between WS and S results of non-silanized glass containing EDCs. Using silanized BG and Al 2 O 3 -doped BG resulted in improved FS and FM, decreased WS, S, and bioactivity. Addition of Al 2 O 3 -doped BG as a possible bioactive filler to EDCs improved mechanical performance while slightly decreasing bioactivity compared to BG containing EDCs.

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“…Increasing the specific surface area and pore volume of bioactive glasses may greatly accelerate the apatite layer formation and therefore enhance bioactive behavior 255. Naghizadeh et al 254. studied different concentrations of silicate‐based bioactive glass‐ceramic (R‐SBgC) with the composition of (mol%) 50SiO 2 ‐25Na 2 O‐25CaO prepared from RHA combined with PCL to fabricate a composite scaffold using a thermally induced phase‐separation method.…”

Section: Second Generation Agricultural Wastes and Their Usesmentioning

confidence: 99%

Biomass as a sustainable resource for value‐added modern materials: a review

Sharma

Kaur

Punj

et al. 2020

Biofuels Bioprod Bioref

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Over the past century, the world's population has increased greatly. The growth in the population has increased the global food demand, so the food sector has increased its production. As a result of the increased production and consumption, a huge amount of agro-food waste is being generated yearly. Rice husk, wheat straw, sugarcane bagasse, corn husk, peanut shell, eggshell, are just a few examples of agro-food wastes. As these agro-food wastes and their by-products are left unused and unattended, their amount is increasing globally. It is imperative to find ways to put these wastes to environmentally viable use. These wastes find direct uses in biofertilizers, mud houses, animal feed, biofuel, and heat generation in small-scale industries, etc. After heat generation, ashes are considered as a secondary by-product, which can be used as a sustainable and renewable resource for synthesizing value-added products for various applications. This article presents a review of the traditional and advanced methods of utilizing these wastes in household applications, animal feed, fertilizers, fuel generation, pyrolysis, and for the removal of toxic metals from polluted water. These secondary resources can also be used in construction materials and for the synthesis of glasses and glass-ceramics, which can be used in bioengineering, optical, and dielectric materials. Agrofood wastes can be used as resource materials to develop modern materials with better properties instead of using minerals. This not only reduces the environment-and management-related problem of the wastes but also provides a sustainable alternative way to produce cost-effective value-added materials for the benefit of society.

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Rice husk derived bioactive glass-ceramic as a functional bioceramic: Synthesis, characterization and biological testing

Cited by 32 publications

References 48 publications

Co-pyrolysis of Rice Husk with Underutilized Biomass Species: A Sustainable Route for Production of Precursors for Fuels and Valuable Chemicals

Co-pyrolysis of Rice Husk with Underutilized Biomass Species: A Sustainable Route for Production of Precursors for Fuels and Valuable Chemicals

Investigation of alumina doped 45S5 glass as a bioactive filler for experimental dental composites

Biomass as a sustainable resource for value‐added modern materials: a review

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