废催化裂化催化剂用于城市垃圾填埋场塑料垃圾热解的可行性研究

Q3 Environmental Science
Jiraphan Chotiratanasak, T. Vitidsant, Maneerat Khemkhao
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引用次数: 0

摘要

在全球范围内,人们越来越关注塑料垃圾问题。大多数塑料垃圾被倾倒到垃圾填埋场,在那里它占据了空间,降低了垃圾填埋场的容量,并引发了各种环境问题。塑料垃圾热解越来越受欢迎,因为它可以减少塑料垃圾的体积,同时还可以生产替代燃料。本研究评估了利用催化热解工艺从塑料垃圾中生产燃料油的可行性。聚乙烯(PE)、聚丙烯(PP)和聚苯乙烯(PS)废物样本是从泰国素叻他尼省苏梅岛的城市固体废物(MSW)填埋场收集的。热解在3L台架规模反应器中在450℃下使用3%废FCC催化剂进行。使用PE、PP、PS和混合塑料废料作为原料。结果表明,PS的热解产生最多的液体产物(91.44wt%),而PE的热解产生最高百分比的柴油范围产物(36.60wt%)。此外,分析结果表明,用石脑油脱除改性PE热解油制备的柴油与商用柴油B7的特性相似。根据成本效益分析,热解油和改良柴油的运营成本分别为0.37和0.65美元/升,低于B7柴油目前的市场价格。该研究结果证明了使用环保和成本效益高的技术将苏梅岛城市生活垃圾中的塑料垃圾转化为替代能源的可行性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Feasibility Study of Plastic Waste Pyrolysis from Municipal Solid Waste Landfill with Spent FCC Catalyst
Globally, there is growing concern about the problem of plastic waste. The majority of plastic waste is dumped into landfills, where it occupies space, reducing landfill capacity and causing a variety of environmental issues. Plastic waste pyrolysis has gained popularity because it can reduce the volume of plastic waste while also producing alternative fuels. This study assessed the feasibility of producing fuel oil from plastic waste using the catalytic pyrolysis process. Polyethylene (PE), polypropylene (PP), and polystyrene (PS) waste samples were collected from municipal solid waste (MSW) landfills on Samui Island, Surat Thani Province, Thailand. Pyrolysis was carried out in a 3-L bench-scale reactor at 450ºC using a 3% spent FCC catalyst. PE, PP, PS, and mixed plastic waste were used as feedstocks. The results showed that the pyrolysis of PS produced the most liquid product (91.44 wt%), whereas the pyrolysis of PE produced the highest percentage of diesel range product (36.60 wt%). Furthermore, the results of the analysis revealed that the characteristics of diesel from improved PE pyrolysis oil by naphtha removal were similar to those of commercial diesel B7. According to the cost-benefit analysis, the operating costs of pyrolysis oil and improved diesel were 0.37 and 0.65 USD/L, respectively, which were lower than the current market price of diesel B7. The findings of the study demonstrated the feasibility of converting plastic waste from MSW on Samui Island into alternative energy using eco-friendly and cost-effective technology.
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来源期刊
Environment and Natural Resources Journal
Environment and Natural Resources Journal Environmental Science-Environmental Science (all)
CiteScore
1.90
自引率
0.00%
发文量
49
审稿时长
8 weeks
期刊介绍: The Environment and Natural Resources Journal is a peer-reviewed journal, which provides insight scientific knowledge into the diverse dimensions of integrated environmental and natural resource management. The journal aims to provide a platform for exchange and distribution of the knowledge and cutting-edge research in the fields of environmental science and natural resource management to academicians, scientists and researchers. The journal accepts a varied array of manuscripts on all aspects of environmental science and natural resource management. The journal scope covers the integration of multidisciplinary sciences for prevention, control, treatment, environmental clean-up and restoration. The study of the existing or emerging problems of environment and natural resources in the region of Southeast Asia and the creation of novel knowledge and/or recommendations of mitigation measures for sustainable development policies are emphasized. The subject areas are diverse, but specific topics of interest include: -Biodiversity -Climate change -Detection and monitoring of polluted sources e.g., industry, mining -Disaster e.g., forest fire, flooding, earthquake, tsunami, or tidal wave -Ecological/Environmental modelling -Emerging contaminants/hazardous wastes investigation and remediation -Environmental dynamics e.g., coastal erosion, sea level rise -Environmental assessment tools, policy and management e.g., GIS, remote sensing, Environmental -Management System (EMS) -Environmental pollution and other novel solutions to pollution -Remediation technology of contaminated environments -Transboundary pollution -Waste and wastewater treatments and disposal technology
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