光固化3D打印废物焚烧特性与动力学研究

宋玉茹; 孙昱楠; 张闳楠; 陈冠益; 旦增; 程占军; 颜蓓蓓

doi:10.13205/j.hjgc.202409029

光固化3D打印废物焚烧特性与动力学研究

doi: 10.13205/j.hjgc.202409029

宋玉茹¹,
孙昱楠^1, ,,
张闳楠²,
陈冠益^1,2,3,
旦增²,
程占军^3,4,
颜蓓蓓^3,4

1. 天津商业大学环境能源+X创新实验室/机械工程学院, 天津 300134;
2. 西藏大学生态环境学院, 拉萨 850012;
3. 天津大学环境科学与工程学院, 天津 300072;
4. 天津市生物质废物利用重点实验室天津市生物质燃气/油技术工程研究中心天津市有机废物安全处置与能源利用工程研究中心, 天津 300072

基金项目:

国家自然科学基金项目(52300171)

西藏自治区科技项目(XZ202301ZY0029G)

详细信息

作者简介:
宋玉茹(1999-),女,硕士研究生,主要研究方向为固体废弃物处置及资源化利用。yuru304@163.com

通讯作者:
孙昱楠(1992-),女,讲师,主要研究方向为固废处置与污染物控制。sunyunan@tjcu.edu.cn

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出版历程
- 收稿日期: 2023-12-11
- 网络出版日期: 2024-12-02

INCINERATION CHARACTERISTICS AND KINETICS OF PHOTOCURED 3D PRINTING WASTE

1. School of Mechanical Engineering, Tianjin University of Commerce, Tianjin 300134, China;
2. School of Ecology and Environment, Tibet University, Lhasa 850012, China;
3. School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China;
4. Tianjin Key Lab of Biomass Wastes Utilization/Tianjin Engineering Research Center of Bio Gas/Oil Technology/Tianjin Engineering Research Center of Organic Solid Waste Safe Disposal and Energy Utilization, Tianjin 300072, China

摘要

摘要: 随着新兴产业光固化3D打印技术的迅速发展,光固化3D打印废物(photocured waste, PCW)作为一种新型固废,可能会给环境带来新的挑战。目前PCW增长迅速但产量较低,没有针对性的回收处置方式,主要作为城市生活垃圾(municipal solid waste, MSW)的一部分进行处置。由于其热固性难降解特点,处置方式以焚烧为主,但PCW的焚烧特性尚不清晰。因此研究了PCW在焚烧过程热失重特性,应用Flynn Wall-Ozawa(FWO)、Starink和Kissinger-Akahira Sunose(KAS)3种动力学模型对PCW焚烧反应动力学模型进行计算。结合PCW随MSW处置现状,进一步对比PCW随MSW焚烧处置过程活化能变化,同时利用TG-FTIR对反应过程的分析结果进行验证。结果表明,KAS法和Starink法的结果相似,拟合效果均较好。PCW的焚烧过程主要分为4个阶段,活化能在210~400 kJ/mol,在高温下更容易发生分解。PCW随MSW焚烧前后热失重过程较为相似,主要分为2个阶段,在温度为440 ℃时活化能最高,反应最为困难。PCW随MSW焚烧会增加充分燃烧反应耗能,随着PCW产量不断增加,可能对MSW焚烧处置产生一定影响。随着光固化3D打印技术应用日益广泛,其废弃物的合理处置应得到关注。
- 光固化3D打印废物 /
- 热重分析 /
- 焚烧 /
- 动力学分析 /
- 共处置
Abstract: With the rapid development of the emerging industry of photocured 3D printing technology, PCW as a new type of solid waste, may pose new challenges to the environment. At present, PCW production is growing rapidly but the output is low, there is no targeted recycling and disposal method, mainly as a part of MSW for disposal, due to its thermosetting and difficult degradation characteristics, mainly incineration, but the incineration characteristics of PCW is still not clear. In this paper, the decomposition reaction characteristics of PCW during incineration were studied, and the kinetic parameters of PCW incineration reaction were calculated using FWO, Starink, and KAS model. According to the current situation of PCW along with MSW treatment, the activation energy changed before and after mixing were further compared. At the same time, TG-FTIR was used to verify the analytical results of the reaction process. The results showed that the calculation results of the KAS method and the Starink method were similar, and both their fitting effects were better. The incineration process of PCW was mainly divided into 4 stages, the activation energy was between 210~400 kJ/mol, and it was easier to decompose at high temperatures. The thermogravimetry process before and after incineration of PCW along with MSW was mainly divided into two stages. The activation energy was the highest and the reaction was the most difficult when the temperature was 440 ℃. The co-disposal of PCW and MSW would increase the energy consumption of the full combustion reaction. With the increase in PCW production, the incineration disposal of MSW may be slightly affected. With the increasing application of light curing 3D printing technology, the rational disposal of 3D printing waste should be considered.
- photocured 3D printing waste /
- thermogravimetric analysis /
- incineration /
- kinetic analysis /
- co-disposal

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