Exploring the potential of power-to-gas concept to meet Ontario's industrial demand of hydrogen

A. Al-Subaie, A. Elkamel, U. Mukherjee, M. Fowler
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引用次数: 5

Abstract

Hydrogen is an essential commodity in the refining and chemical industry. Hydrogen is commonly produced from the mature technology steam methane reforming (SMR), which has a drawback of releasing significant greenhouse gas emissions. The power-to-gas (PtG) concept, on the other hand, can produce green hydrogen through water electrolysis by utilizing Ontario's electricity grid powered mostly by CO2-free sources during off-peak demand. Also, PtG is a novel energy storage concept, which can effectively manage the surplus baseload generation issue encountered in the province. Therefore, this work explores the potential of implementing PtG to meet the demand of industrial hydrogen in Ontario. The paper examines the surplus power resulted from the off-peak net exports to neighboring jurisdictions and curtailed power from wind and nuclear during the years 2014–2016 as well as the surplus forecast for the next 15 years. Then, it quantifies the hydrogen volumes upon employing PtG versus the demand. The analysis shows that PtG energy storage concept has the potential to supply industrial users with the majority of the demand, particularly when making use of Ontario's available seasonal storage of depleted gas wells and salt caverns at least for the next four years.
探索电力制气概念的潜力,以满足安大略省对氢气的工业需求
氢是炼油和化学工业中必不可少的商品。氢气通常是由成熟的蒸汽甲烷重整(SMR)技术生产的,该技术具有释放大量温室气体的缺点。另一方面,电力制气(PtG)概念可以通过水电解产生绿色氢气,利用安大略省的电网,在非高峰需求期间主要由无二氧化碳源供电。此外,PtG是一种新型的储能概念,可以有效地管理该省遇到的剩余基荷发电问题。因此,这项工作探索了实施PtG以满足安大略省工业氢需求的潜力。本文研究了2014-2016年期间,非高峰净出口到邻近司法管辖区和风电和核电的削减电力所产生的剩余电力,以及未来15年的剩余预测。然后,它量化了使用PtG与需求时的氢气体积。分析表明,PtG储能概念有潜力为工业用户提供大部分需求,特别是在至少未来四年利用安大略省可用的枯竭气井和盐洞的季节性存储时。
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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