Optimization of the eco‑friendly synthesis of graphene oxide from graphite using Plackett–Burman and Box–Behnken models for industrial production orientation
(주)코리아스칼라
- 최초 등록일
- 2023.05.22
- 최종 저작일
- 2023.03
- 12페이지/ 어도비 PDF
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서지정보
ㆍ발행기관 : 한국탄소학회
ㆍ수록지정보 : Carbon letters / 33권 / 2호
ㆍ저자명 : Nguyen Thien Phuc, Nguyen Thi Huong Giang, Vu Nguyen Thien Truong An, Nguyen Thanh Hoai Nam, Ly Duc Anh, Huynh Cam Nguyen, Hoang An, Mai Thanh Phong, Nguyen Huu Hieu
목차
Abstract
1 Introduction
2 Experimental
2.1 Materials and chemicals
2.2 Synthesis of GO
2.3 Characterization
2.4 Effectiveness evaluation
2.5 Investigate the influence of each synthesis factor on the ability to oxidize Gi to GO using the Plackett–Burman model
2.6 Investigate the influence of simultaneous influence of synthesis factors on the ability to oxidize Gi to GO using the Box–Behnken model
3 Results and discussion
3.1 Effect of each synthetic factor on the ability to oxidize Gi to GO
3.2 Simultaneous influence of synthesis factors on the degree of oxidation from Gi to GO
3.3 Characterization
3.4 The pilot apparatus for industrial production orientation of GO
4 Conclusions
Acknowledgements
References
영어 초록
In this study, graphene oxide (GO) was synthesized by the improved Hummers’ method. The degree of oxidation from graphite (Gi) to GO was determined through interlayer spacing calculated from X–ray diffraction. Besides, the effect of KMnO4: Gi ratios (X1), H2SO4 volume (X2), oxidation temperature (X3), oxidation time of stage 1 (X4), and oxidation time of stage 2 (X5) was screened by the Plackett–Burman model. The simultaneous impact of three factors that influenced the degree of oxidation (X1, X2, and X3) was studied by the Box–Behnken experimental model of response surface methodology to achieve suitable conditions for the GO synthesis process. The characterization of GO product was investigated via the modern analytical methods: X-ray diffraction, Raman spectroscopy, Fourier transform infrared spectroscopy, UV–Vis spectroscopy, field emission scanning electron microscopy, transmission electron microscopy, and atomic force microscopy. Inaddition, the study was also carried out on a pilot scale for orientation in industrial application with the yield of 14 g/batch.
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