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Effective deoxygenation for the production of liquid biofuels via microwave assisted co-pyrolysis of agro residues and waste plastics combined with catalytic upgradation
Bioresource Technology ( IF 9.7 ) Pub Date : 2020-01-10 , DOI: 10.1016/j.biortech.2020.122775 Dadi V Suriapparao 1 , R Vinu 2 , Arun Shukla 3 , Sunil Haldar 3
Bioresource Technology ( IF 9.7 ) Pub Date : 2020-01-10 , DOI: 10.1016/j.biortech.2020.122775 Dadi V Suriapparao 1 , R Vinu 2 , Arun Shukla 3 , Sunil Haldar 3
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Rice straw and sugarcane bagasse were co-pyrolyzed with polypropylene and polystyrene using microwaves, and the pyrolysis vapors were catalytically upgraded using HZSM-5 catalyst. The product yields, composition and properties of bio-oil from pyrolysis of individual feedstocks and equal composition mixtures before and after catalytic upgradation were thoroughly investigated. The pyrolysis oil yields from polypropylene (82 wt%) and polystyrene (98 wt%) were high compared to that from rice straw (26 wt%) and bagasse (29 wt%). Catalytic upgradation at weight hourly space velocity of 11 h resulted in higher selectivity to unsaturated aliphatics and aromatic hydrocarbons. Properties of upgraded bio-oil from biomass-polypropylene mixtures were similar to that of light fuel oil with high calorific value (43 MJ/kg), low viscosity (1 cP), optimum density (0.850 g/cm) and flash point (70 °C). Oxygen content in catalytically upgraded co-pyrolysis bio-oil was low (<5%) as compared to upgraded pyrolysis bio-oil (14–18%), and pyrolysis bio-oil without upgradation (20–24%).
中文翻译：
通过微波辅助农业残留物和废塑料的共热解结合催化升级，有效脱氧生产液体生物燃料
使用微波将稻草和甘蔗渣与聚丙烯和聚苯乙烯共热解，并使用HZSM-5催化剂对热解蒸气进行催化提质。对催化升级前后单个原料和等组成混合物热解产生的生物油的产物收率、组成和性质进行了彻底研究。与稻草（26 wt%）和甘蔗渣（29 wt%）相比，聚丙烯（82 wt%）和聚苯乙烯（98 wt%）的热解油产率较高。重时空速为 11 小时的催化升级导致对不饱和脂肪族和芳香族烃的选择性更高。生物质-聚丙烯混合物提质生物油的性能与轻质燃料油相似，具有高热值（43 MJ/kg）、低粘度（1 cP）、最佳密度（0.850 g/cm）和闪点（70 ℃）。与升级热解生物油（14-18%）和未经升级的热解生物油（20-24%）相比，催化升级共热解生物油中的氧含量较低（<5%）。
更新日期：2020-01-10
中文翻译：
通过微波辅助农业残留物和废塑料的共热解结合催化升级，有效脱氧生产液体生物燃料
使用微波将稻草和甘蔗渣与聚丙烯和聚苯乙烯共热解，并使用HZSM-5催化剂对热解蒸气进行催化提质。对催化升级前后单个原料和等组成混合物热解产生的生物油的产物收率、组成和性质进行了彻底研究。与稻草（26 wt%）和甘蔗渣（29 wt%）相比，聚丙烯（82 wt%）和聚苯乙烯（98 wt%）的热解油产率较高。重时空速为 11 小时的催化升级导致对不饱和脂肪族和芳香族烃的选择性更高。生物质-聚丙烯混合物提质生物油的性能与轻质燃料油相似，具有高热值（43 MJ/kg）、低粘度（1 cP）、最佳密度（0.850 g/cm）和闪点（70 ℃）。与升级热解生物油（14-18%）和未经升级的热解生物油（20-24%）相比，催化升级共热解生物油中的氧含量较低（<5%）。
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