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Production of Bio-fuel Bio-char from Sugarcane Bagasse by Thermal Pyrolysis

机译:通过热解从甘蔗渣中生产生物燃料和生物炭

摘要

Bio-fuel & bio-char from sugarcane bagasse thermal pyrolysis has the potential to replace the fossil fuel derived energy sources. The various process of conversion although has been put into view like gasification, Torre-faction & Pyrolysis, the pyrolysis has gained a lot of importance because of its viability as compared to other processes discussed above. The conversion of the bio-mass by pyrolysis was conducted at various pyrolytic temperatures starting from (300-5000C) at a heating rate of 250C/min and the optimum temperature was found at 4500C which was found to be 53.3% of bio-oil. The liquid product i.e., the bio-oil was analyzed by various characterization techniques like CHNS, 1H-NMR, physical properties, GC-MS etc. The properties of the bio-oil were found suitable for being used as a fuel. The effect of temperature on the yield of bio-oil, bio-char, bio-gas & reaction time were studied & plotted which showed that the bio-char yield decreased with increase of the pyrolytic temperature. The potential of the bio-char produced from biomass was analyzed by proximate, ultimate, BET surface area, SEM-EDX, anion chromatography, pH, Electrical Conductivity& Zeta Potential studies. The carbon percentage was high enough to be used as a soil amendment, the surface areas were also found to be more with low surface area as 132m2/gm for 3000C bio-char to 510 m2/gm for highest temperature bio-char. This high surface area attributed towards application of the bio-char in soil amendment purpose. The ion-chromatography results also showed the presence of anions that are required as nutrients for plants for their metabolic activities. It will also serve as a good source of plant nutrients since it contains less toxic elements. The bio-char had a slightly acidic surface as found from the pH study. Thus from the above studies we found that the bio-fuel and the bio-char can serve as a source of energy as well as chemical feedstock for the future to depend on.
机译:甘蔗渣热解制取的生物燃料和生物炭具有替代化石燃料衍生能源的潜力。尽管已经考虑到了各种转化过程,例如气化,托雷分馏和热解,但与上述其他过程相比,由于热解的可行性,热解已变得非常重要。在从(300-5000℃)开始的各种热解温度下,以250℃/ min的加热速率进行通过热解的生物质转化,发现最佳温度为4500℃,发现其为生物油的53.3%。通过各种表征技术,例如CHNS,1 H-NMR,物理性质,GC-MS等,分析液体产物即生物油。发现该生物油的性质适合用作燃料。研究并绘制了温度对生物油产量,生物炭,生物气产量和反应时间的影响,结果表明,随着热解温度的升高,生物炭产量下降。通过接近的,最终的BET表面积,SEM-EDX,阴离子色谱,pH,电导率和Zeta电位研究分析了由生物质产生的生物炭的潜力。碳含量高到足以用作土壤改良剂,还发现表面积更大,低表面积为3000℃生物炭为132m2 / gm,最高温度生物炭为510 m2 / gm。这种高表面积归因于生物炭在土壤改良中的应用。离子色谱结果还显示,存在阴离子,这些阴离子是植物代谢活动所需的营养物质。由于它含有较少的毒性元素,因此它也可以作为植物营养的良好来源。从pH研究中发现,生物炭的表面略带酸性。因此,从以上研究中我们发现,生物燃料和生物炭可作为能源和化学原料,供将来依赖。

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    Mohapatra Sowhm Swain;

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  • 年度 2013
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