JPS62292602A - Method for recovering hydrogen - Google Patents
Method for recovering hydrogenInfo
- Publication number
- JPS62292602A JPS62292602A JP13308686A JP13308686A JPS62292602A JP S62292602 A JPS62292602 A JP S62292602A JP 13308686 A JP13308686 A JP 13308686A JP 13308686 A JP13308686 A JP 13308686A JP S62292602 A JPS62292602 A JP S62292602A
- Authority
- JP
- Japan
- Prior art keywords
- hydrogen
- carbon dioxide
- gas
- water
- methanol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 37
- 239000001257 hydrogen Substances 0.000 title claims abstract description 37
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 52
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 27
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 27
- 238000001179 sorption measurement Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 21
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000003795 desorption Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 238000002407 reforming Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Hydrogen, Water And Hydrids (AREA)
Abstract
Description
【発明の詳細な説明】
３、発明の詳細な説明
〔産業上の利用分野〕
本発明はメタノールと水から水素を製造するプロセスに
おいて、水素のロスを少なくする方法に関するものであ
る。Detailed Description of the Invention 3. Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a method for reducing hydrogen loss in a process for producing hydrogen from methanol and water.
メタノールと水を加熱して水素と炭酸ガスを主体とする
ガスを発生させ、このガスを吸着塔を通して炭酸ガスを
吸着除去して製品水素を製造するプロセスは知られてい
る。A known process is to heat methanol and water to generate a gas consisting mainly of hydrogen and carbon dioxide, and to pass this gas through an adsorption tower to adsorb and remove carbon dioxide to produce hydrogen product.
前記プロセスにおいて吸着塔を再生（吸着した炭酸ガス
を脱着）する際に水素ブローを行っているが、このブロ
ー水素は燃料として使用されている。しかし、水素を燃
料として使用しても発熱量が小さく、水素の有効利用の
面では十分でない。In the above process, hydrogen is blown when regenerating the adsorption tower (desorbing the adsorbed carbon dioxide), and this blown hydrogen is used as fuel. However, even when hydrogen is used as a fuel, the calorific value is small, and hydrogen is not used effectively.
本発明は吸着塔を再生する際のブロー水素（炭酸ガスを
含む）中の水素を回収するようにしたものである。The present invention is designed to recover hydrogen from blown hydrogen (including carbon dioxide gas) when regenerating an adsorption tower.
即ち、本発明はメタノールと水の混合ガスを加熱改質し
て水素と炭酸ガスを主体とするガスを発生させ、この発
生したガスを炭酸ガス除去装置を通して炭酸ガスの除去
を行い、この後吸着塔に送り残存炭酸ガス等の不純分の
吸着除去を行い製品水素を製造するプロセスにおいて、
吸着塔を脱着した際に出てくる水素及び炭酸ガスの混合
ガスを前記水素と炭酸ガスを主体とするガス又はメタノ
ールと水の混合ガス中に供給するようにしたことを特徴
とする水素の回収方法に関するものである。That is, in the present invention, a mixed gas of methanol and water is heated and reformed to generate a gas mainly composed of hydrogen and carbon dioxide, and the generated gas is passed through a carbon dioxide removal device to remove carbon dioxide, and then adsorbed. In the process of producing hydrogen product by adsorbing and removing impurities such as residual carbon dioxide by sending it to a tower,
Hydrogen recovery characterized in that a mixed gas of hydrogen and carbon dioxide that comes out during desorption in an adsorption tower is supplied to the gas mainly composed of hydrogen and carbon dioxide or the mixed gas of methanol and water. It is about the method.
以下に本発明を実施例を挙げて詳細に説明するが、本発
明はこれに限定されるものではない。EXAMPLES The present invention will be described in detail below with reference to Examples, but the present invention is not limited thereto.
実施例 第１図にフローシートを示す。Example Figure 1 shows the flow sheet.
メタノールと水を１ ： １．０１ （モル比）の割合
でポンプ１．２から供給し、熱交換器３．４で加熱して
改質器（通常、酸化銅を主成分とする触媒を使用し２７
０〜３００℃の温度で行う）５で水素と炭酸ガスに交換
する。熱交換器３及び冷却器６で冷却し、ノックアウト
ドラム７で水を除去し炭酸ガス吸収塔８で炭酸ガスの除
去を行い、この後吸着塔９で不純物（残存炭酸ガス等）
の除去を行い製品水素の製造を行う。Methanol and water are supplied from a pump 1.2 at a ratio of 1:1.01 (molar ratio), heated by a heat exchanger 3.4, and converted into a reformer (usually using a catalyst mainly composed of copper oxide). 27
(Carry out at a temperature of 0 to 300°C) Exchange hydrogen and carbon dioxide gas in step 5. It is cooled by a heat exchanger 3 and a cooler 6, water is removed by a knockout drum 7, carbon dioxide is removed by a carbon dioxide absorption tower 8, and then impurities (residual carbon dioxide, etc.) are removed by an adsorption tower 9.
is removed to produce hydrogen product.
吸着塔９は複数本あり、炭酸ガスの吸着量が所定量に達
すると脱着及び水素ブローにより再生する（ＰＳＡ法：
Ｐｒｅｓｓｕｒｅ Ｓｗｉｎｇ Ａｄｓｏｒｐｔｉｏ
ｎ）。There are multiple adsorption towers 9, and when the adsorption amount of carbon dioxide gas reaches a predetermined amount, it is regenerated by desorption and hydrogen blowing (PSA method:
Pressure Swing Adsorption
n).
ブロー水素は熱交換器４へのメタノールと水の混合ガス
供給管又はノックアウトドラム７への水素と炭酸ガスを
主体とするガスの供給管に混合する。The blown hydrogen is mixed in a pipe for supplying a mixed gas of methanol and water to the heat exchanger 4 or a pipe for supplying a gas mainly composed of hydrogen and carbon dioxide to the knockout drum 7.
比較例 第２図に従来の方法のフローシートを示す。Comparative example FIG. 2 shows a flow sheet of the conventional method.
従来はブロー水素を貯槽１０に送り熱媒ヒーターｌｌ用
の燃料として使用している。Conventionally, blown hydrogen is sent to the storage tank 10 and used as fuel for the heat medium heater 11.
本発明の方法によれば従来は燃料用として使用していた
ブロー水素を循環再使用できるので収率が大巾に増大す
る。従来は発生する水素の約２０％がブロー用に使用さ
れていたが、このブロー用水素が製品水素の方へ全て利
用される。According to the method of the present invention, blown hydrogen, which was conventionally used as a fuel, can be recycled and reused, thereby greatly increasing the yield. Conventionally, about 20% of the hydrogen generated was used for blowing, but all of this hydrogen for blowing is used to produce hydrogen product.
第１図は本発明の回収方法を示すフローシート、第２図
は従来の方法を示すフローシートである。
１．２．１４・・・ポンプ
３．４・・・・・・熱交換器
５・・・・・・・・・改質器
６・・・・・・・・・冷却器
７・・・・・・・・・ノックアウトドラム８・・・・・
・・・・炭酸ガス吸収塔
９・・・・・・・・・吸着塔
１０・・・・・・・・・貯槽
■１・・・・・・・・・熱媒ヒーター
１２・・・・・・・・・熱媒循環ポンプ１３・・・・・
・・・・煙突FIG. 1 is a flow sheet showing the recovery method of the present invention, and FIG. 2 is a flow sheet showing the conventional method. 1.2.14 Pump 3.4 Heat exchanger 5 Reformer 6 Cooler 7 ...Knockout Drum 8...
..... Carbon dioxide absorption tower 9 ..... Adsorption tower 10 ..... Storage tank ■1 ..... Heat medium heater 12 .... ... Heat medium circulation pump 13 ...
····chimney
Claims (1)
スを主体とするガスを発生させ、この発生したガスを炭
酸ガス除去装置を通して炭酸ガスの除去を行い、この後
吸着塔に送り残存炭酸ガス等の不純分の除去を行い製品
水素を製造するプロセスにおいて、吸着塔を脱着した際
に出てくる水素及び炭酸ガスの混合ガスを前記水素と炭
酸ガスを主体とするガス又はメタノールと水の混合ガス
中に供給するようにしたことを特徴とする水素の回収方
法。A mixed gas of methanol and water is heated and reformed to generate a gas mainly composed of hydrogen and carbon dioxide.The generated gas is passed through a carbon dioxide removal device to remove carbon dioxide gas, and then sent to an adsorption tower to remove residual carbon dioxide. In the process of producing product hydrogen by removing impurities such as gas, the mixed gas of hydrogen and carbon dioxide that comes out when desorbing from an adsorption tower is converted into a gas mainly composed of hydrogen and carbon dioxide or methanol and water. A method for recovering hydrogen, characterized in that hydrogen is supplied into a mixed gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13308686A JPS62292602A (en) | 1986-06-09 | 1986-06-09 | Method for recovering hydrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13308686A JPS62292602A (en) | 1986-06-09 | 1986-06-09 | Method for recovering hydrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62292602A true JPS62292602A (en) | 1987-12-19 |
Family
ID=15096525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13308686A Pending JPS62292602A (en) | 1986-06-09 | 1986-06-09 | Method for recovering hydrogen |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62292602A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002004347A1 (en) * | 2000-04-21 | 2002-01-17 | Institut Français Du Petrole | Hydrogen derived from methanol cracking is used as a clean fuel for power generation while reinjecting co-product carbon dioxide |
| JP2008520524A (en) * | 2004-11-16 | 2008-06-19 | レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | Method and apparatus for combined hydrogen and carbon dioxide production |
| JP2011006298A (en) * | 2009-06-26 | 2011-01-13 | Ihi Corp | Apparatus and method for reforming glycerin |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59128202A (en) * | 1983-01-10 | 1984-07-24 | Nippon Kagaku Gijutsu Kk | Method for reforming methanol while recycling purge gas |
-
1986
- 1986-06-09 JP JP13308686A patent/JPS62292602A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59128202A (en) * | 1983-01-10 | 1984-07-24 | Nippon Kagaku Gijutsu Kk | Method for reforming methanol while recycling purge gas |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002004347A1 (en) * | 2000-04-21 | 2002-01-17 | Institut Français Du Petrole | Hydrogen derived from methanol cracking is used as a clean fuel for power generation while reinjecting co-product carbon dioxide |
| JP2008520524A (en) * | 2004-11-16 | 2008-06-19 | レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | Method and apparatus for combined hydrogen and carbon dioxide production |
| JP2011006298A (en) * | 2009-06-26 | 2011-01-13 | Ihi Corp | Apparatus and method for reforming glycerin |
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