CN107311104A - 氢气的制备方法 - Google Patents

氢气的制备方法 Download PDF

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Publication number
CN107311104A
CN107311104A CN201710406199.1A CN201710406199A CN107311104A CN 107311104 A CN107311104 A CN 107311104A CN 201710406199 A CN201710406199 A CN 201710406199A CN 107311104 A CN107311104 A CN 107311104A
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China
Prior art keywords
hydrogen
preparation
ethanol
ionic liquid
present
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CN201710406199.1A
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Inventor
周玉洁
周宏峰
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Zhenjiang Yan Yan Gas Co Ltd
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Zhenjiang Yan Yan Gas Co Ltd
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Priority to CN201710406199.1A priority Critical patent/CN107311104A/zh
Publication of CN107311104A publication Critical patent/CN107311104A/zh
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/12—Feeding the process for making hydrogen or synthesis gas
    • C01B2203/1205—Composition of the feed
    • C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
    • C01B2203/1217—Alcohols
    • C01B2203/1229—Ethanol

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Hydrogen, Water And Hydrids (AREA)

Abstract

本发明公开了以乙醇为原料制备氢气的制备方法，通过加热包含乙醇的离子液体，得到纯度高于90％的氢气。离子液体，选择反应速度快、选择率高、抗衡阴离子的乙醇阴离子的离子液体。本发明的优点是：制备成本低、易于贮藏和运输。

Description

氢气的制备方法
技术领域
本发明涉及氢气的制备方法。
背景技术
氢气与煤炭或石油等化石燃料不同，是燃烧时不产生二氧化碳等温室效应气体而转化成水的清洁燃料。如今，过去一直理所当然地使用地球上的化石燃料已经开始枯竭，因此，当务之急是确立作为替代化石燃料的氢气的制备方法。但是，在考虑以工业规模制备氢气的情况下，需要解决以下问题：(1)如何廉价地制备；(2)如何压缩贮藏；(3)如何安全运输。因为氢气是带有弱分子间相互作用的最小且最轻质的分子，所以解决贮藏和运输并不容易。
为了解决上述问题，提供一种新的氢气制备方法，有效解决制备成本、贮藏、运输等问题。
发明内容
发明要解决的问题
本发明提出一种氢气的制备方法，利用在比较温和的温度条件下的水热反应，可以不使用金属催化剂而由其为具有极性的水溶性有机化合物的乙醇和水来制备氢气，因此，制备成本低。另外，根据本方法，平常贮藏或搬运乙醇水溶液，起到了氢气的贮藏罐及搬运船的作用。该方法在工业规模制备氢气的情况下解决了制备成本、贮藏、运输等问题。
因此，本发明的目的在于提供一种以乙醇为原料制备氢气的制备方法，解决在工业规模制备氢气的情况下必须解决的制备成本、贮藏、运输等问题，而且简单方便。
本氢气的制备方法的特征在于，如权利要求1所述，加热包含乙醇的离子液体。
本发明权利要求2所述的制备方法的特征在于，在本发明权利要求1所述的制备方法中，作为离子液体，使用磷盐系离子液体。
本发明权利要求3所述的制备方法的特征在于，在本发明权利要求1所述的制备方法中，作为离子液体，使用其中抗衡阴离子为乙醇阴离子的离子液体。
发明效果
根据本发明，可以提供使用乙醇为原料的氢气的制备方法，其可解决在考虑以工业规模制备氢气的情况下必须解决的制备成本、贮藏、运输等问题，而且简单方便。
具体实施方式
本发明的氢气制备方法的特征在于，加热包含乙醇的离子液体。
在本发明中，离子液体被定义为在100℃以下具有熔点的有机化合物盐，本方法中用的是磷盐系离子液体。
实施例1
在2.5mm的石英管反应容器内，填充将乙醇和各离子液体以1：1.5摩尔比配置的混合溶液0.35ml，用燃烧器封管。在800℃条件下，将反应器放在导热油中进行加热反应，反应4H后取出，在燃烧管中插入针管收集氢气。

Claims (3)

1.氢气的制备方法，其特征在于，加热包含乙醇的离子液体，得到纯度高于90％的氢气。
2.如权利要求1所述的制备方法，其特征在于，作为离子液体，使用磷盐系离子液体。
3.如权利要求1所述的制备方法，其特征在于，作为离子液体，使用其中抗衡阴离子为乙醇阴离子的离子液体。
CN201710406199.1A 2017-06-01 2017-06-01 氢气的制备方法 Pending CN107311104A (zh)

Priority Applications (1)

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CN201710406199.1A CN107311104A (zh) 2017-06-01 2017-06-01 氢气的制备方法

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CN (1) CN107311104A (zh)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102131730A (zh) * 2008-07-28 2011-07-20 中原胜 氢气的制备方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102131730A (zh) * 2008-07-28 2011-07-20 中原胜 氢气的制备方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ALBERT BODDIEN ET AL: "Hydrogen Generation at Ambient Conditions: application in Fuel Cells", 《CHEM SUS CHEM》 *
王先会等: "《润滑油选用手册》", 30 September 2016 *

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Application publication date: 20171103