Production of Nano Amorphous SiO<sub>2</sub>from Malatya Pyrophyllite

Sarıkaya, Musa; Depçi̇, Tolga; Aydogmus, Ramazan; Yücel, Ayşegül Atak; Kizilkaya, Nilgun

doi:10.1088/1755-1315/44/5/052004

Cited by 11 publications

(2 citation statements)

References 11 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Again, the FTIR result confirms that the product is in absence of crystalline phase because no peak appears at 620 cm −1. 53 The FTIR spectrum of the bio‐silica from this study is also in good agreement with the silica spectrum obtained from other studies 54,55 …”

Section: Resultssupporting

confidence: 87%

Influences of pretreatment, extraction variables, and post treatment on bench‐scale rice husk black ash (RHBA) processing to bio‐silica

Steven

Restiawaty

Pasymi

et al. 2021

Asia-Pacific J Chem Eng

View full text Add to dashboard Cite

Abundant availability and large silica content in rice husk black ash (RHBA) make the use of it very interesting to study. Many works only deal with lab‐scale rice husk ash extraction while the studies on bench‐scale RHBA extraction are still limited. This study, hence, presents the influence of pretreatment, extraction variables, and posttreatment on bench‐scale RHBA processing to bio‐silica. The pretreatment through acid leaching was carried out using HCl. The extraction was implemented under varying process variables such as alkaline‐to‐feed ratio (RA/F), extraction duration, and acid precipitation agent. According to this study, the highest extraction yield up to 98% was gained under RA/F 6 g/g and 1‐h extraction. The amorphous bio‐silica had an asymmetric siloxane bond and white appearance with a purity exceeding 95% and surface area up to 406.98 m2/g. Meanwhile, precipitation under HCl and H2SO4 had little impact on product purity and surface area. This study exhibits that acid leaching is executed to release mineral impurities but is still not sufficient to remove the remaining carbon content in bio‐silica. However, the contribution of refining process is able to do so. Moreover, the produced bio‐silica is suitable for adsorbent purposes which could adsorb up to 83.5% of 3‐monochloropropanediol compound.

show abstract

Section: Resultssupporting

confidence: 87%

Influences of pretreatment, extraction variables, and post treatment on bench‐scale rice husk black ash (RHBA) processing to bio‐silica

Steven

Restiawaty

Pasymi

et al. 2021

Asia-Pacific J Chem Eng

View full text Add to dashboard Cite

show abstract

“…It indicates that the silica is totally in the form of amorphous phase since a hump that has a width between 15 to 30 ° from a 2θ Bragg angle clearly can be seen on the figure 2. This is consistent with previous studies that amorphous silica has a hump between 15 to 35 o of 2θ [19][20][21]. This result is also in accordance with the standard pattern of silica in the Standards Joint Committee on Powder Diffraction (JCPDS) [10].…”

Section: Xrd Analysissupporting

confidence: 93%

Development of high purity amorphous silica from emulsifier silicon by pyrolysis process at temperature of 700 ^oC

Prasetyo¹,

Handayani²,

Sulistiyono³

et al. 2022

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

Silica in amorphous form is one of the fillers that is indispensable for the industrial world, especially for the superior material industry. Amorphous silica in the form of cristobalite compounds are inert, soft, and have high porosity which is suitable to be used as certain filler materials. This research describes about the characterization of amorphous silica produced from the pyrolysis process of emulsifier silicon. The pyrolysis process was carried out in three-stages, starting from the separation of water, separation of the emulsifier material from silica compound at a temperature of 300oC followed by pyrolysis at a temperature of 700 oC. In this process, amorphous silica and carbon are formed at the end of the pyrolysis process. In this study, characterization was carried out using XRD to determine the phase of the composition of the compound, SEM EDX to determine the morphology, and XRF analysis to determine the purity of product composition. The results of the XRD shows that the amorphous silica formed. SEM-EDX analysis shows that the amorphous silica has spherical fine grain with average particle size 0.30006 ± 0.01722 |am. It was supported by XRF analysis that shows that the amorphous silica has SiO2 content 99,92%.

show abstract

A novel and economical approach for the synthesis of short rod-shaped mesoporous silica nanoparticles from coal fly ash waste by Bacillus circulans MTCC 6811

Yadav,

Amari,

Mahdhi

et al. 2023

World J Microbiol Biotechnol

View full text Add to dashboard Cite

Production of Nano Amorphous SiO₂from Malatya Pyrophyllite

Cited by 11 publications

References 11 publications

Influences of pretreatment, extraction variables, and post treatment on bench‐scale rice husk black ash (RHBA) processing to bio‐silica

Influences of pretreatment, extraction variables, and post treatment on bench‐scale rice husk black ash (RHBA) processing to bio‐silica

Development of high purity amorphous silica from emulsifier silicon by pyrolysis process at temperature of 700 ^oC

A novel and economical approach for the synthesis of short rod-shaped mesoporous silica nanoparticles from coal fly ash waste by Bacillus circulans MTCC 6811

Contact Info

Product

Resources

About

Production of Nano Amorphous SiO2from Malatya Pyrophyllite

Cited by 11 publications

References 11 publications

Influences of pretreatment, extraction variables, and post treatment on bench‐scale rice husk black ash (RHBA) processing to bio‐silica

Influences of pretreatment, extraction variables, and post treatment on bench‐scale rice husk black ash (RHBA) processing to bio‐silica

Development of high purity amorphous silica from emulsifier silicon by pyrolysis process at temperature of 700 oC

A novel and economical approach for the synthesis of short rod-shaped mesoporous silica nanoparticles from coal fly ash waste by Bacillus circulans MTCC 6811

Contact Info

Product

Resources

About

Production of Nano Amorphous SiO₂from Malatya Pyrophyllite

Development of high purity amorphous silica from emulsifier silicon by pyrolysis process at temperature of 700 ^oC