Núcleo de Estudos em Sistemas Coloidais, NUESC/ITP, PEP/PBI/Universidade Tiradentes, Av. Murilo Dantas, 300, Farolândia, Aracaju, SE 49032-490, Brazil.
Núcleo de Estudos em Sistemas Coloidais, NUESC/ITP, PEP/PBI/Universidade Tiradentes, Av. Murilo Dantas, 300, Farolândia, Aracaju, SE 49032-490, Brazil.
Bioresour Technol. 2017 Apr;230:1-7. doi: 10.1016/j.biortech.2017.01.029. Epub 2017 Jan 16.
Thermoliquefaction of palm oil fiber was investigated using supercritical ethanol as solvent. A semi-continuous laboratory scale unit was developed to investigate the effects of temperature (300-500°C), heating rate (10-30°C.min) and cracking time (10-30min) on the conversion of biomass in bio-oil. The main advantage of the proposed process is that a pure solvent is pumping through the reactor that contains the biomass, dispensing the use of biomass slurries. The yield of bio-oil ranged from 56% to 84%, depending on the experimental conditions. It was observed that an increase in working temperature led to an increase in the bio-oil production. Cracking time and heating rate variation had not shown a considerable effect on the conversion of biomass. The chemical profiles of bio-oil determined by GC/MS, indicate that at low temperature mainly sugar derivatives are produced, while at higher temperatures alcohols and phenolic are the majority compounds of the bio-oil.
采用超临界乙醇作为溶剂研究了棕榈油纤维的热液化。开发了一个半连续实验室规模的装置，以研究温度（300-500°C）、加热速率（10-30°C.min）和裂化时间（10-30min）对生物质在生物油中转化率的影响。该工艺的主要优点是，一种纯溶剂通过含有生物质的反应器泵送，避免了生物质浆料的使用。根据实验条件，生物油的产率范围为 56%至 84%。结果表明，工作温度的升高导致生物油产量的增加。裂化时间和加热速率的变化对生物质的转化率没有显著影响。通过 GC/MS 确定的生物油化学特征表明，在低温下主要产生糖衍生物，而在较高温度下，醇和酚是生物油的主要化合物。
