竹废料微波裂解的单因素实验研究

以微波裂解竹废料制备了一系列的生物油和竹炭,系统研究了竹废料裂解过程中的工艺参数包括原料含水率、原料粒径,微波输入功率和裂解温度,焦炭(催化剂)用量对裂解产物组成的影响。结果表明,当裂解功率为700 W,温度为550℃,焦炭用量为4%,并严格控制原料含水率在5%~8%时,生物油的得率最高,其值为44.91%,而竹炭及不可凝气体得率分别为23.21%和31.88%。竹废料微波裂解得到的生物油的成分复杂,应用前景相当广泛;竹炭也有一定的吸湿、吸附性能。因此,竹废料的微波裂解具有巨大的开发利用潜力。

Single factor study on the microwave pyrolysis of bamboo residues

A series oils and bamboo-charcoals were prepared from bamboo residues by microwave pyrolysis.The effects of processing parameters such as material moisture,stuff size,pyrolysis temperature,microwave power input,and tar(catalyzer) content on the pyrolysis products were determined.When the pyrolysis conditions were as follows:pyrolysis power input 700 watts,temperature 550℃,4% of tar,and material moisture between 5%～8%,the yield of bio-oil was maximum(44.91% wt of bamboo residues),and the yield of bamboo-charcoal and gaseous was 23.21% and 31.88%,respectively.The pyrolysis bio-oil had complexity components and wide application;moreover,bamboo-charcoal had the certain absorption and adsorption properties.The results showed us the great potential of microwave pyrolysis for bio-oil and bamboo-charcoal from bamboo residues.