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An innovative plasma pre-treatment process for lignocellulosic bio-ethanol production
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects ( IF 2.9 ) Pub Date : 2020-09-10 , DOI: 10.1080/15567036.2020.1815900
Navnit Kumar Ramamoorthy 1 , Raviprakash Nagarajan 2 , Sambavi Ravi 1 , Renganathan Sahadevan 1
Affiliation  

In this work, glow discharge plasma pre-treatment was used for bio-ethanol production from a mixture of waste surgical cotton and cardboard. After compositional analysis, the plasma pre-treatment for the biomass mixture resulted in 68 ± 1% lignin removal and 22.2 ± 1.2% hemicellulose removal. The pre-treated mixture was analyzed using Fourier Transform-Infrared Spectroscopy (FT-IR), Scanning Electron Microscopy (SEM), and X-ray Diffraction (XRD). After saccharification using in-house cellulases (saccharification – 43.6 ± 0.5%), bio-ethanol fermentation was performed using Saccharomyces cerevisiae RW 143. 48 ± 0.5 g/L bio-ethanol (0.4 g bio-ethanol/g of glucose) was obtained (cellulose conversion – 56.5 ± 0.2%). 90% (v/v), 180 proof pure bio-ethanol, was dehydrated to 99.9% (v/v) and 200 proof purity using molecular sieves. E-10 and E-20 blends containing 10% (v/v) and 20% (v/v) bio-ethanol with diesel fuel, respectively, were prepared. In an Internal Combustion engine, the combustion and emission characteristics were studied for E-10, E-20, and commercial diesel fuels.



中文翻译:

用于木质纤维素生物乙醇生产的创新性等离子体预处理工艺

在这项工作中,辉光放电等离子体预处理被用于从手术棉和纸板的废料混合物中生产生物乙醇。经过成分分析后,对生物质混合物进行等离子体预处理可去除68±1%的木质素和22.2±1.2%的半纤维素。使用傅立叶变换红外光谱(FT-IR),扫描电子显微镜(SEM)和X射线衍射(XRD)分析预处理的混合物。使用内部纤维素酶进行糖化(糖化– 43.6±0.5%)后,使用酿酒酵母进行生物乙醇发酵RW143。获得了48±0.5 g / L生物乙醇(0.4 g生物乙醇/ g葡萄糖)(纤维素转化率– 56.5±0.2%)。使用分子筛将90%(v / v),180标准纯生物乙醇脱水至99.9%(v / v)和200标准纯。制备分别包含10%(v / v)和20%(v / v)的生物乙醇与柴油的E-10和E-20混合物。在内燃机中,研究了E-10,E-20和商用柴油的燃烧和排放特性。

更新日期:2020-09-11
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