Tar conversion or removal is one of the most troublesome issues limiting biomass or solid waste gasification technology's industrialization. A cost-effective and energy-efficient way of conversion of tar is indispensably dreamed. In this work, an efficient conversion of biomass tar was demonstrated in an integrated catalytic-DBD plasma process to address this. The role of lattice oxygen species for biomass tar model reforming reaction over various perovskite structured La₈Ce₂-M₅Ti₅O_x (M = Fe, Co, Ni and Cu) materials was evaluated in an integrated catalytic-DBD plasma process. The tar reforming activity was discussed by considering the production of gaseous products such as H₂, CH₄ and CO, which are the main components to achieve high calorific values for the product. Among all the perovskite materials, Co-containing La₈Ce₂-Co₅Ti₅O_x gave a superior catalytic performance in oxidative toluene reforming reactions. At 250 °C and 90 W discharge power, La₈Ce₂-Co₅Ti₅O_x catalyst showed 98% of toluene conversion and the product gas yield of 60 vol% and 27 vol% for CO and H₂ gases, respectively. The energy content of the syngas is enhanced from 36 kJ/h for plasma only reaction to 62 kJ/h and 68 kJ/h for LC-Fe₅Ti₅O_x and LC-Co₅Ti₅O_x catalysts, respectively. Besides, LC-Fe₅Ti₅O_x catalyst showed enhanced H₂ yields with the addition of small amounts of H₂O by maintaining similar toluene conversion. The catalytic performances of the perovskite materials were correlated with the oxygen mobility nature of the materials. XRD analysis revealed that the stable perovskite structure is present for all the materials before and after the exposure to plasma energy. O₂-TPD and XPS results revealed that the O species present in La₈Ce₂-Co₅Ti₅O_x materials are more mobile than other materials. Finally, the high surface oxygen mobility nature and stable perovskite structure were the possible reasons for the best performance of LC-Fe₅Ti₅O_x and La₈Ce₂-Co₅Ti₅O_x catalysts over other catalysts.

焦油转化或去除是制约生物质或固废气化技术产业化的最棘手问题之一。一种经济高效且节能的焦油转化方式是人们梦寐以求的。在这项工作中，为了解决这个问题，在集成的催化 DBD 等离子体工艺中证明了生物质焦油的有效转化。在集成的催化-DBD 等离子体工艺中评估了晶格氧物种在各种钙钛矿结构的 La ₈ Ce ₂ -M ₅ Ti ₅ O _x (M = Fe、Co、Ni 和 Cu) 材料上的生物质焦油模型重整反应中的作用。焦油重整活性通过考虑气态产物如 H ₂、CH 的产生来讨论₄和 CO 是实现产品高热值的主要成分。在所有钙钛矿材料中，含Co的La ₈ Ce ₂ -Co ₅ Ti ₅ O _x在氧化甲苯重整反应中具有优异的催化性能。在 250 °C 和 90 W 放电功率下，La ₈ Ce ₂ -Co ₅ Ti ₅ O _x催化剂的甲苯转化率为 98%，CO 和 H ₂气体的产物气体产率分别为 60 vol% 和 27 vol% 。合成气的能量含量从仅等离子体反应的 36 kJ/h 提高到 LC-Fe _{5 的}62 kJ/h 和 68 kJ/h分别是Ti ₅ O _x和LC-Co ₅ Ti ₅ O _x催化剂。此外，LC-Fe ₅ Ti ₅ O _x催化剂通过保持相似的甲苯转化率在添加少量H ₂ O 的情况下显示出提高的H ₂产率。钙钛矿材料的催化性能与材料的氧迁移性质相关。XRD 分析表明，在暴露于等离子体能量之前和之后，所有材料都存在稳定的钙钛矿结构。O ₂ -TPD 和 XPS 结果表明，La ₈ Ce _{2 中}存在的 O 物种-Co ₅ Ti ₅ O _x材料比其他材料更具流动性。最后，高表面氧迁移率性质和稳定的钙钛矿结构是 LC-Fe ₅ Ti ₅ O _x和 La ₈ Ce ₂ -Co ₅ Ti ₅ O _x催化剂优于其他催化剂的可能原因。