基于电解水制氢和生物质电厂的电与甲醇联产系统
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Electricity and Methanol Co-production System Based on Hydrogen Production by Electrolysis of Water and Biomass Power Plants
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    摘要:

    随着各国二氧化碳排放,温室气体猛增,中国提出碳达峰和碳中和目标。新能源的利用是解决环境和能源问题、降低碳排放的最有效的方法。氢能是未来能源发展的重要方向。为此,提出一种基于电解水制氢和生物质电厂的电与甲醇联产系统,通过电解水技术制取氢气和氧气,氧气用于生物质富氧燃烧电厂发电,而电厂产生的富含二氧化碳的尾气用于与氢气合成甲醇。使用Aspen对该系统进行仿真计算的结果显示,该系统年产甲醇26674 t,综合能量效率可达51.98%,氢到甲醇的转化效率为59.84%,动态回收周期为3.47年。此系统在生产电力及甲醇的同时,实现了碳的近零排放,可为中国的氢能利用技术的发展提供一定的参考。

    Abstract:

    With carbon dioxide emissions from various countries, greenhouse gases are surging and China has proposed carbon peaking and carbon neutral targets. The utilization of new energy sources is the most effective way to solve environmental and energy problems and reduce carbon emissions. Hydrogen energy is an important direction for future energy development. A cogeneration system of electricity and methanol based on electrolytic water for hydrogen production and biomass power plant are proposed, which produces hydrogen and oxygen by electrolytic water technology.Oxygen is used in biomass oxygen-rich combustion power plant for electricity generation.The carbon dioxide rich tail gas produced by the power plant is used to synthesize methanol with hydrogen, and the results of simulation calculation of the system using Aspen show that the system produces The results of simulations using Aspen show that the system produces 26674 tons of methanol per year with a combined energy efficiency of 51.98%, a hydrogen to methanol conversion efficiency of 59.84%, and a dynamic payback period of 3.47 years. This system has achieved near-zero carbon emission while producing electricity and methanol, can provides a certain reference for the development of hydrogen energy utilization technology in China.

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王玉亭,张钟,张淇钧,陈衡,徐钢.基于电解水制氢和生物质电厂的电与甲醇联产系统[J].科技与产业,2022,22(05):288-294

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  • 在线发布日期: 2022-05-22