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1.江苏大学 食品与生物工程学院,江苏 镇江 212013
2.江苏大学 农业工程学部,江苏 镇江 212013
3.江苏大学 材料科学与工程学院,江苏 镇江 212013
4.镇江美博红外科技有限公司,江苏 镇江 212013
赵杞英(1998—),硕士研究生,研究方向为贵金属催化剂,E-mail:2392780917@qq.com。
马海乐(1963—),博士,教授,研究方向为食品物理加工及生物质资源利用,E-mail:mhl@ujs.edu.cn。
收稿:2025-04-12,
修回:2025-06-24,
纸质出版:2026-03-25
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赵杞英,陆建伟,蒋群辉等.静电纺Pd掺杂TiO2-ZrO2纳米纤维膜及其催化液化石油气红外燃烧性能研究[J].低碳化学与化工,2026,51(3):115-123.
ZHAO Qiying,LU Jianwei,JIANG Qunhui,et al.Study on electrospinning Pd-doping TiO2-ZrO2 nanofiber membranes and their catalytic performances in infrared combustion of liquefied petroleum gas[J].Low-Carbon Chemistry and Chemical Engineering,2026,51(3):115-123.
赵杞英,陆建伟,蒋群辉等.静电纺Pd掺杂TiO2-ZrO2纳米纤维膜及其催化液化石油气红外燃烧性能研究[J].低碳化学与化工,2026,51(3):115-123. DOI: 10.12434/j.issn.2097-2547.20250178.
ZHAO Qiying,LU Jianwei,JIANG Qunhui,et al.Study on electrospinning Pd-doping TiO2-ZrO2 nanofiber membranes and their catalytic performances in infrared combustion of liquefied petroleum gas[J].Low-Carbon Chemistry and Chemical Engineering,2026,51(3):115-123. DOI: 10.12434/j.issn.2097-2547.20250178.
液化石油气直接燃烧过程中存在的燃烧不完全现象会造成能源浪费和污染环境,工业领域通常采用催化红外燃烧技术改善液化石油气的燃烧过程。采用静电纺丝法一体化制备了不同Pd掺杂量(
n
(Pd)/
n
(总金属元素))的TiO
2
-ZrO
2
纳米纤维膜。使用SEM、XPS等研究了Pd掺杂量对TiO
2
-ZrO
2
纳米纤维膜结构的影响,并研究了Pd掺杂量、煅烧温度等因素对TiO
2
-ZrO
2
纳米纤维膜催化液化石油气红外燃烧性能的影响。结果表明,Pd掺杂量对TiO
2
-ZrO
2
纳米纤维膜的TiO
2
晶型及织构性质均有明显影响。Pd掺杂量过大(11%)时,TiO
2
-ZrO
2
纳米纤维膜的锐钛矿TiO
2
会转变为金红石TiO
2
,比表面积及平均孔径减小。在液化石油气流速为27 mL/min、空气流速为0.8 L/min 的条件下,Pd掺杂量为8%、煅烧温度为600 ℃的TiO
2
-ZrO
2
纳米纤维膜表现出相对最好的催化性能,其液化石油气转化率最高为99%,燃烧红外温度最高为577 ℃。此外,该纳米纤维膜还具有良好的稳定性和重复使用性。
The incomplete combustion phenomenon during direct combustion of liquefied petroleum gas can cause energy waste and pollution of environment
catalytic infrared combustion technology is usually used in the industrial field to improve the combustion process of liquefied petroleum gas. TiO
2
-ZrO
2
nanofiber membranes with different Pd doping amounts (
n
(Pd)/
n
(total metal elements)) were prepared by electrospinning method. The effects of Pd doping amounts on the structures of TiO
2
-ZrO
2
nanofiber membranes were studied by SEM and XPS
and the effects of Pd doping amounts and calcination temperatures on the catalytic infrared combustion performances of liquefied petroleum gas of TiO
2
-ZrO
2
nanofiber membranes were studied. The results show that Pd doping amount has significant effect on the TiO
2
crystal forms and texture properties of TiO
2
-ZrO
2
nanofiber membranes. When the Pd doping amount is too large (11%)
the anatase TiO
2
of the TiO
2
-ZrO
2
nanofiber membrane can be converted to rutile TiO
2
and the specific surface area and average pore size can decrease. Under the conditions of liquefied petroleum gas flow rate of 27 mL/min and air flow rate of 0.8 L/min
the TiO
2
-ZrO
2
nanofiber membrane with Pd doping amount of 8% and calcination temperature of 600 ℃ shows relatively best catalytic performance with the highest liquefied petroleum gas conversion rate of 99% and the highest combustion infrared temperature of 577 ℃. In addition
the nanofiber membrane has good stability and reusability.
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