摘要
利用金属氧化物代替空气氧与生物质发生异相氧化热解反应,可以解决常规有氧热解导致的燃气热值降低以及气体产品品质变差的问题。选择七种金属氧化物与角叉菜在微波加热条件下进行热解,分析热解产物分布、热解气化指标、燃气组成以及金属氧化物热解前后结构的变化。结果表明,金属氧化物的加入对于热解碳转化率、气化效率、燃气产率及燃气组成都有明显的促进作用,当使用金属氧化物Fe0.6Cu0.2Ti0.2时,H2/CO摩尔比达1.13,明显高于空气氧辅助微波热解和生物质直接微波热解。Fe0.6Cu0.2Ti0.2经15次循环实验后无明显烧结和失活现象。
By using the heterogeneous oxidative pyrolysis reaction of biomass and metal oxides instead of air oxygen,the problems of gas calorific value reduction and gas product quality deterioration caused by conventional aerobic pyrolysis can be solved.Seven kinds of metal oxides and chondrus ocellatus holm were pyrolyzed by microwave heating.The distribution of pyrolyzed products,pyrolysis gasification index,gas composition and the changes of structure of metal oxides before and after pyrolysis were analyzed.The results show that the addition of metal oxides has a significant promotion effect on the pyrolytic carbon conversion rate,gasification efficiency,gas yield rate and gas composition.When Fe0.6Cu0.2Ti0.2 is used,H2/CO molar ratio reaches 1.13,which is significantly higher than that of air oxygen-assisted microwave pyrolysis and biomass direct microwave pyrolysis.The metal oxide Fe0.6Cu0.2Ti0.2 has no obvious sintering and deactivation after 15 cycles of experiments.
作者
吴爽
冯娅婷
秦智榛
邓桂春
王鑫
WU Shuang;FENG Ya-ting;QIN Zhi-zhen;DENG Gui-chun;WANG Xin(College of Marine Science and Environment,Dalian Ocean University,Dalian 116023,China;Collaborative Innovation Centre of Applicative Technology of Clean Energy Resources in Fujian Province,Quanzhou Vocational and Technical University,Quanzhou 362268,China;Sinopee Dalian Research Institute of Petroleum and Petrochemicals,Dalian 116045,China)
出处
《稀有金属与硬质合金》
CAS
CSCD
北大核心
2020年第3期54-59,共6页
Rare Metals and Cemented Carbides
基金
辽宁省博士科研启动基金计划项目(2019-BS-034)
大连海洋大学大学生创新创业训练计划项目(201810158164)
大连海洋大学引进人才及在职培养博士启动项目(500217201031)
福建省清洁能源应用技术协同创新中心资助项目(2016-71)。
关键词
金属氧化物
气化
微波辅助热解
角叉菜
metal oxide
gasification
microwave-assisted pyrolysis
chondrus ocellatus holm
