Techno-economic analysis of hydrogen production from waste plastics and storage plant in the context of Japan

IF 8.1 2区工程技术 Q1 CHEMISTRY, PHYSICAL

International Journal of Hydrogen Energy Pub Date : 2024-11-17 DOI:10.1016/j.ijhydene.2024.11.134

Bishwash Paneru , Biplov Paneru , Sanjog Chhetri Sapkota , Dhiraj Kumar Mandal , Prem Giri

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Abstract

This study addresses Japan's pressing issue of plastic waste by proposing a conversion process to produce hydrogen from non-biodegradable plastics. Utilizing DWSIM software for plastic-to-hydrogen conversion and Aspen Plus for hydrogen compression, which can be stored in a Type IV cylinder, the analysis shows that a plant can generate 1,449,792 kg/year of hydrogen from various plastics, including PET, PVC, PE, PP, and PS. Operating at 600 °C and 1 bar, the facility processes 100 kg/h of plastic to yield 7.098 kg/h of hydrogen. The project's capital expenditure (CAPEX) is 143.5 million Japanese Yen, with an operational expenditure (OPEX) of 29.7 million JPY/year. The Levelized Cost of Hydrogen (LCOH) varies, with estimates of 8.874–19.82 USD/kg based on construction timelines, and sensitivity analysis and uncertainty analysis are performed to estimate the effect of various parameters on LCOH. This process holds potential for advancing sustainable development in Japan and globally, addressing both waste management and clean energy production.

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日本废塑料制氢及储氢装置的技术经济分析

本研究针对日本亟待解决的塑料垃圾问题，提出了一种利用不可降解塑料生产氢气的转化工艺。利用 DWSIM 软件进行塑料制氢转换，利用 Aspen Plus 进行氢气压缩（氢气可储存在 IV 型气瓶中），分析表明，一个工厂每年可从各种塑料（包括 PET、PVC、PE、PP 和 PS）中产生 1,449,792 公斤氢气。设备在 600 °C 和 1 bar 的条件下运行，每小时处理 100 公斤塑料，每小时产生 7.098 公斤氢气。该项目的资本支出（CAPEX）为 1.435 亿日元，运营支出（OPEX）为 2970 万日元/年。氢气的平准化成本（LCOH）不尽相同，根据建设时间表估算为 8.874-19.82 美元/千克，并进行了敏感性分析和不确定性分析，以估算各种参数对 LCOH 的影响。该工艺具有推动日本和全球可持续发展的潜力，可同时解决废物管理和清洁能源生产问题。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Hydrogen Energy 工程技术-环境科学

CiteScore

13.50

自引率

25.00%

发文量

3502

审稿时长

60 days

期刊介绍： The objective of the International Journal of Hydrogen Energy is to facilitate the exchange of new ideas, technological advancements, and research findings in the field of Hydrogen Energy among scientists and engineers worldwide. This journal showcases original research, both analytical and experimental, covering various aspects of Hydrogen Energy. These include production, storage, transmission, utilization, enabling technologies, environmental impact, economic considerations, and global perspectives on hydrogen and its carriers such as NH3, CH4, alcohols, etc. The utilization aspect encompasses various methods such as thermochemical (combustion), photochemical, electrochemical (fuel cells), and nuclear conversion of hydrogen, hydrogen isotopes, and hydrogen carriers into thermal, mechanical, and electrical energies. The applications of these energies can be found in transportation (including aerospace), industrial, commercial, and residential sectors.