Liquid sunshine methanol

doi:10.16085/j.issn.1000-6613.2022-0244

Abstract

Abstract:

We will strive to achieve carbon neutrality by 2060. The fundamental route to achieve carbon neutrality is to transform energy use form from fossil energy to renewable energy. Liquid sunshine is an integrated technology, which utilizing solar energy or other renewable energy to produce green hydrogen from water splitting, then converting CO₂ with green hydrogen into methanol. It is not only a new energy storage form for renewable energy, but also an effective way to solve the problem of rigid CO₂ emissions from industry, such as metallurgy, and building materials, chemical industry. In this paper, the latest research progress of liquid sunshine is summarized, including two key technologies: hydrogen production from water splitting and CO₂ hydrogenation to methanol. Finally, the industrial application of liquid sunshine technology is briefly introduced.

Key words: liquid sunshine, water splitting, green hydrogen, CO₂ hydrogenation, green methanol synthesis

摘要：

我国将力争于2060年前实现碳中和，而实现碳中和的根本途径是能源利用形式由化石能源向可再生能源转变。本文指出太阳燃料甲醇合成（又称“液态阳光”）是利用太阳能等可再生能源分解水制取绿氢，再将二氧化碳与绿氢结合转化为甲醇的综合性技术，它不仅可将再生能源存储在液体燃料甲醇中，还可解决重要领域如冶金、建材、化工中的刚性二氧化碳排放，是实现碳中和目标切实可行的技术路线和有力手段。本文就作者团队研究发展的液态阳光水分解制氢和二氧化碳加氢制甲醇技术进行总结，并对当前液态阳光技术的工业应用进行了介绍。

关键词: 液态阳光, 水分解制氢, 绿色氢能, 二氧化碳加氢, 绿色甲醇合成

CLC Number:

WANG Jijie, HAN Zhe, CHEN Siyu, TANG Chizhou, SHA Feng, TANG Shan, YAO Tingting, LI Can. Liquid sunshine methanol[J]. Chemical Industry and Engineering Progress, 2022, 41(3): 1309-1317.

王集杰, 韩哲, 陈思宇, 汤驰洲, 沙峰, 唐珊, 姚婷婷, 李灿. 太阳燃料甲醇合成[J]. 化工进展, 2022, 41(3): 1309-1317.

Figures/Tables 7

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成本	工艺名称	煤制甲醇 /×10⁸CNY	液态阳光甲醇 /×10⁸CNY
固定资产	造气	6.60
	空分	4.20
	变换	0.84
	净化	1.88
	电解水装置		5.70^①
	其他/公用工程等	21.08	14.05^②
	小计	34.60	19.75
运行成本	煤消耗	9.00^③
	空分	1.80
	制氢电耗		9.11^①
	二氧化碳的捕获		1.34^④
	其他	1.50	1.50
	小计	12.30	11.95
甲醇成本		2627CNY/t	2321CNY/t
考虑碳税成本		2777CNY/t^⑤	2261CNY/t^⑥

成本	工艺名称	煤制甲醇 /×10⁸CNY	液态阳光甲醇 /×10⁸CNY
固定资产	造气	6.60
	空分	4.20
	变换	0.84
	净化	1.88
	电解水装置		5.70^①
	其他/公用工程等	21.08	14.05^②
	小计	34.60	19.75
运行成本	煤消耗	9.00^③
	空分	1.80
	制氢电耗		9.11^①
	二氧化碳的捕获		1.34^④
	其他	1.50	1.50
	小计	12.30	11.95
甲醇成本		2627CNY/t	2321CNY/t
考虑碳税成本		2777CNY/t^⑤	2261CNY/t^⑥

煤制甲醇		液态阳光甲醇
煤炭价格 /CNY·t^-1	甲醇成本 /CNY·t^-1	可再生能源发电成本/CNY·（kW·h^-1）	甲醇成本 /CNY·t^-1
500	1800	0.1	1600
1000	2600	0.2	2600
1500	3300	0.3	3600
2000	4100	0.4	4600

煤制甲醇		液态阳光甲醇
煤炭价格 /CNY·t^-1	甲醇成本 /CNY·t^-1	可再生能源发电成本/CNY·（kW·h^-1）	甲醇成本 /CNY·t^-1
500	1800	0.1	1600
1000	2600	0.2	2600
1500	3300	0.3	3600
2000	4100	0.4	4600

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