Analysis of Chemical and Physical Properties of Biochar from Rice Husk Biomass

被引:73
作者
Armynah, Bidayatul [1 ,2 ]
Atika [2 ]
Djafar, Zuryati [1 ]
Piarah, Wahyu H. [1 ]
Tahir, Dahlang [2 ]
机构
[1] Hasanuddin Univ, Dept Mech Engn, Bontomarannu Gowa 92171, Indonesia
[2] Hasanuddin Univ, Dept Phys, Tamalanrea Makassar 90245, Indonesia
来源
2ND INTERNATIONAL CONFERENCE ON SCIENCE (ICOS) | 2018年 / 979卷
关键词
COMBUSTION;
D O I
10.1088/1742-6596/979/1/012038
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Chemical and physical properties of Rice Husk as a potential energy resource were analyzed by means Fourier transform infrared (FTIR), x-ray diffraction (XRD), scanning electron microscope (SEM), and energy disperse spectroscopy (EDS). Rice husk is heated with varied temperature of 250 degrees C, 350 degrees C, 450 degrees C and 30, 60, 90 minutes respectively combine with time variation. The results show that the calorific value decreases whenever the temperature and time increase. The heating time of 30 minutes at 250 degrees C of temperature gives calorific value of 10.4 MJ/Kg. While at the 450 degrees C of temperature, the calorific value decrease to 4.7 MJ/Kg. The EDS shows that the time of heating is an important parameter where carbon and nitrogen were decreasing with the increment of the heating time while the oxygen increase when the heating time increase. The XRD shows that the broad (002) reflections between 20 degrees and 30 indicate carbon disordered with small domains of coherent and parallel stacking of the graphene sheets, which consists of surface morphology from SEM. FTIR shows that the O-H stretching pronounced at around 3452 cm(-1) and 3412 cm(-1) and pronounced clearly at the highest temperature. The aromatic group from lignin gives rise to C=C asymmetric stretching at cm(-1) as a G band corresponds to the sp2-hybradization bonding of carbon atoms and C-H bending modes at 2927 at 796 cm(-1). This results of the characteristic of chemical and physical properties of the rice husk examination provide the prominent source of useful energy that can eventually replace the fossil fuel.
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页数:8
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