Hydrogen and aromatics recovery through plasma-catalytic pyrolysis of waste polypropylene

热解 催化作用 焦炭 化学 化学工程 聚丙烯 甲苯 二甲苯 催化裂化 介质阻挡放电 选择性 甲醇 有机化学 材料科学 工程类 电极 物理化学
作者
Haoyu Xiao,Jonathan Harding,Shuaishuai Lei,Wei Chen,Haiping Yang,Ning Cai,Xu Chen,Junhao Hu,Yingquan Chen,Xianhua Wang,Xin Tu,Haiping Yang,Hanping Chen
出处
期刊:Journal of Cleaner Production [Elsevier]
卷期号:350: 131467-131467 被引量:30
标识
DOI:10.1016/j.jclepro.2022.131467
摘要

Plasma-catalysis pyrolysis is a promising way to solve the problem of catalyst deactivation during plastic recycling. In this study, pyrolysis of polypropylene (PP) over zeolite ZSM-5 has been carried out in a two-stage fixed bed pyrolysis system with a coaxial dielectric barrier discharge (DBD) plasma reactor. The role of plasma on the pyrolysis process, as well as the stability of the plasma-catalytic system was investigated. Compared to conventional catalytic pyrolysis, plasma-catalysis pyrolysis increased gas products from 29 wt% to 47 wt% with 4.19 mmol/g H2 formed, and improved the selectivity of BTX (benzene, toluene, xylene) whilst inhibiting the production of wax simultaneously. After 10 cycles, clear decreases in gas and oil yield (from 86 wt% to 48 wt%) and BTX selectivity (from 71 wt% to 39 wt%) were found in the conventional catalytic pyrolysis, however, nearly no variation was shown in the plasma-catalysis mode. The coupling of catalyst and plasma modified the catalysts acidic sites, while the radicals enhanced the pre-cracking of volatiles, resulting in less deposited coke. Overall, the introduction of plasma resulted in an obvious reduction in total costs and presented a feasible strategy for the recycling of waste plastic.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
大幅提高文件上传限制,最高150M (2024-4-1)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
香雪儿完成签到,获得积分10
1秒前
1秒前
danporzhu完成签到,获得积分10
1秒前
kaka完成签到,获得积分10
1秒前
令狐冲完成签到,获得积分10
2秒前
GQ完成签到,获得积分10
3秒前
成和车车完成签到,获得积分10
3秒前
林波er发布了新的文献求助10
3秒前
劲秉应助YH采纳,获得10
5秒前
more应助研友_ngX12Z采纳,获得10
7秒前
8秒前
2333完成签到 ,获得积分10
9秒前
破晓星完成签到 ,获得积分10
10秒前
杳鸢应助Zoom采纳,获得10
10秒前
科目三应助ZWW--AZIBs采纳,获得10
10秒前
馒头完成签到 ,获得积分10
10秒前
huayu发布了新的文献求助10
12秒前
_xySH完成签到 ,获得积分10
12秒前
yangna发布了新的文献求助30
13秒前
李健应助xinxinqi采纳,获得10
14秒前
15秒前
16秒前
十里桃花不徘徊完成签到,获得积分10
18秒前
ZOZO发布了新的文献求助10
18秒前
19秒前
旧城旧巷等旧人完成签到 ,获得积分10
19秒前
fifteen发布了新的文献求助10
19秒前
20秒前
20秒前
只想发财完成签到,获得积分10
21秒前
huayu完成签到,获得积分10
21秒前
21秒前
22秒前
英姑应助科研通管家采纳,获得10
22秒前
阿默完成签到,获得积分10
22秒前
李爱国应助科研通管家采纳,获得30
22秒前
上官若男应助科研通管家采纳,获得10
22秒前
FashionBoy应助科研通管家采纳,获得10
22秒前
Lucas应助科研通管家采纳,获得10
22秒前
CodeCraft应助科研通管家采纳,获得10
22秒前
高分求助中
Spray / Wall-interaction Modelling by Dimensionless Data Analysis 2000
Evolution 3rd edition 1500
ALA生合成不全マウスでの糖代謝異常の分子機構解析 520
Mathematics and Finite Element Discretizations of Incompressible Navier—Stokes Flows 500
A new species of Coccus (Homoptera: Coccoidea) from Malawi 500
2-Acetyl-1-pyrroline: an important aroma component of cooked rice 500
Handbook on People's China (1957) 400
热门求助领域 (近24小时)
化学 医学 生物 材料科学 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 基因 遗传学 催化作用 物理化学 免疫学 量子力学 细胞生物学
热门帖子
关注 科研通微信公众号,转发送积分 3188644
求助须知:如何正确求助?哪些是违规求助? 2838096
关于积分的说明 8018706
捐赠科研通 2500888
什么是DOI,文献DOI怎么找? 1335235
科研通“疑难数据库(出版商)”最低求助积分说明 637484
邀请新用户注册赠送积分活动 605587