JPH03218912A - Device for removing carbon dioxide - Google Patents
Device for removing carbon dioxideInfo
- Publication number
- JPH03218912A JPH03218912A JP9012590A JP1259090A JPH03218912A JP H03218912 A JPH03218912 A JP H03218912A JP 9012590 A JP9012590 A JP 9012590A JP 1259090 A JP1259090 A JP 1259090A JP H03218912 A JPH03218912 A JP H03218912A
- Authority
- JP
- Japan
- Prior art keywords
- carbon dioxide
- tower
- sent
- removal device
- decomposition
- 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
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims description 54
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims description 28
- 239000001569 carbon dioxide Substances 0.000 title claims description 14
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 13
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 239000012528 membrane Substances 0.000 claims abstract description 7
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 4
- 239000011941 photocatalyst Substances 0.000 claims abstract description 4
- 239000003054 catalyst Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims abstract description 3
- 230000002194 synthesizing effect Effects 0.000 claims abstract 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 abstract description 10
- 238000011084 recovery Methods 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 9
- 230000015572 biosynthetic process Effects 0.000 abstract description 9
- 238000000354 decomposition reaction Methods 0.000 abstract description 9
- 238000003786 synthesis reaction Methods 0.000 abstract description 9
- 239000002912 waste gas Substances 0.000 abstract description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000006227 byproduct Substances 0.000 abstract description 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 2
- 239000001257 hydrogen Substances 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 6
- 239000000463 material Substances 0.000 abstract 1
- 239000004215 Carbon black (E152) Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 230000015843 photosynthesis, light reaction Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、除去した二酸化炭素を有効な工業原料に変換
し利用する二酸化炭素除去装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a carbon dioxide removal device that converts and utilizes removed carbon dioxide into an effective industrial raw material.
従来は二酸化炭素を除去するという考え方自体が焦った
。Ｎ Ｏ ｘやＳＯｘを除去する技術は確立されている
ものの、Ｃ Ｏ ｚについては排出規制が焦ったためで
ある。しかし、Ｃｏｘの分離については、膜処理技術が
、炭化水素合成については鉄触媒を用いたいわゆるＦｉ
ｓｃｈｅｒ − Ｔｒｏｐｓｃｈ合成関連の研究が進ん
でいる。In the past, the very idea of removing carbon dioxide was rushed. This is because although the technology for removing NOx and SOx has been established, there has been a rush to regulate COz emissions. However, for the separation of Cox, membrane treatment technology is used, while for hydrocarbon synthesis, so-called Fi
Research related to scher-Tropsch synthesis is progressing.
従来、Ｃｏ２の除去技術は問題にならなかったが、近い
将来、Ｃ Ｏ ２排出の総量規制が導入されると、除去
したＣ Ｏ ２どの化合物（炭酸塩）の処理処分が問題
となる。炭酸塩のまま利用すること、あるいは、陸地処
分又は海洋投棄も考えられるが、将来、化石燃料が減っ
ていくことを考えると、人工石油類に変えて保管するこ
とが重要であると考えられる。Conventionally, CO2 removal technology has not been a problem, but if regulations on the total amount of CO2 emissions are introduced in the near future, the treatment and disposal of the removed CO2 and which compounds (carbonates) will become an issue. It is possible to use carbonate as it is, or to dispose of it on land or dump it in the ocean, but considering that fossil fuels will decrease in the future, it is important to convert it into synthetic oil and store it.
本発明の目的は最終的にＣ○２を人工石油（炭化水系）
に変換して備蓄することを目的としており、さらに工業
原料として有用なＣＯ（一酸化炭素）として利用する技
術も提供することにある。The purpose of the present invention is to ultimately convert C○2 into artificial petroleum (hydrocarbon).
The aim is to convert and stockpile CO into carbon monoxide, and also to provide technology to utilize it as CO (carbon monoxide), which is useful as an industrial raw material.
上記目的を達成するために、Ｃ Ｏ ｘ分離吸収には、
膜処理、あるいは、アルカリ試薬を用いる。In order to achieve the above objectives, CO x separation and absorption include:
Use membrane treatment or alkaline reagents.
また、Ｃ○２からＣＯを得るためには光触媒を用いてい
る。更に、炭化水素化合物合成にはＦｉｓｃｈｅｒ−
Ｔｒｏｐｓｃｈ合成を応用し、トータルシステムとして
ＣＣ）ｚ除去装置として組んだものである。In addition, a photocatalyst is used to obtain CO from C○2. Furthermore, Fischer-
This system applies Tropsch synthesis and is assembled as a CC)z removal device as a total system.
ＣＯ２分離膜は、排ガスよりＮｏｗ，ｓｏ．とＣ ０
２ を分離する働きをする。アルカリ物質はＣ Ｏ ２
を吸収して炭酸塩とし安定化させる。電気分解は炭酸塩
から再びＣ ０ ２を純粋な化合物として取り出す作用
をし、光分解はＣ Ｏ ２より工業原料として有用なＣ
Ｏを得るために働く。最後のＦｉｓｃｈｅｒ − Ｔｒ
ｏｐｓｃｈ合成は、炭化水素を合成し、トータルとして
Ｃ Ｏ ２を炭化水素に変換する。これらによりＣｏ２
排出量を押えると同じに資源として有用な炭化水素化合
物を作ることができる。CO2 separation membrane now, so. and C 0
It functions to separate 2. Alkaline substances are CO2
It absorbs and stabilizes it as carbonate. Electrolysis works to extract C 0 2 from carbonate again as a pure compound, and photolysis produces C which is more useful as an industrial raw material than CO 2.
Work to get O. The last Fischer-Tr
Opsch synthesis synthesizes hydrocarbons and converts total C O 2 into hydrocarbons. With these, Co2
In addition to reducing emissions, it is also possible to create hydrocarbon compounds that are useful as resources.
以下、本発明の一実施例を第１図により説明する。工場
から排出された排ガスは廃ガスライン１を介してＣＯ２
吸収塔２へ送られる。Ｃｏ２吸収塔２内ではＣ ０ ２
分離膜でＣ Ｏ ２がＮＯｘ及びＳＯｘとに分離され、
Ｎ ａ Ｏ Ｈの下記反応（１）に従って吸収される。An embodiment of the present invention will be described below with reference to FIG. Exhaust gas discharged from the factory is converted into CO2 via exhaust gas line 1.
Sent to absorption tower 2. In the Co2 absorption tower 2, C 0 2
CO2 is separated into NOx and SOx by a separation membrane,
It is absorbed according to the following reaction (1) of N a O H.
２ Ｎ ａ Ｏ Ｈ ＋ Ｃ Ｏ ２→Ｎ ａ ｚｏ
Ｈｓ＋ Ｈ２０ −（１）（１）で吸収されたものはそ
のままスラリの形で、パイプライン３を介してＣｏ２回
収槽６へ送られる。Ｃ ０ ２回収槽６では電気分解に
よりＣ Ｏ ２を取り出し、副産物であるＮ ａ Ｏ
Ｈは、アルカリサイクルライン７を通してＣ Ｏ ２吸
収塔２へ送られ、再利用される。Ｃ Ｏ ２回収槽６で
発生したＣ Ｏ Ｚは，すぐに，Ｃ○２分解塔８へ導入
する。ここでＣＯｚ吸収塔２で行なわれるＣ Ｏ ２分
離（膜分離）で純度の高いものが得られたならば、アル
カリによる吸収及び回収槽６をバイパスし、直接、分解
塔８へ導入しても良い。分解塔８内には光触媒が入って
おり、太陽光線を分解エネルギとして利用する。反応は
（２）に従って進行する。2 N a O H + C O 2 → N a zo
Hs+ H20 -(1) What is absorbed by (1) is directly sent to the Co2 recovery tank 6 via the pipeline 3 in the form of slurry. In the C 0 2 recovery tank 6, C 0 2 is extracted by electrolysis, and the byproduct N a O
H is sent to the C 2 O 2 absorption tower 2 through the alkali cycle line 7 and reused. The C O Z generated in the C O 2 recovery tank 6 is immediately introduced into the C ○ 2 decomposition column 8 . If highly pure CO2 is obtained through CO2 separation (membrane separation) performed in the COz absorption tower 2, the alkali absorption and recovery tank 6 may be bypassed and the CO2 may be directly introduced into the decomposition tower 8. good. A photocatalyst is contained in the decomposition tower 8, and sunlight is used as decomposition energy. The reaction proceeds according to (2).
ここで副生成した０２及び、ＣＯ２吸収塔での過剰廃ガ
スはそれぞれ廃ガス系外放出ライン４を介してスタック
５より大気中に放出される。The 02 by-produced here and the excess waste gas in the CO2 absorption tower are each discharged into the atmosphere from the stack 5 via the waste gas outside discharge line 4.
分解塔８で生成したＣＯはＣ○供給うイン９を介して合
成塔１０へ送られる。合成塔１０には、Ｎｉ，Ｃｏ，Ｆ
ｅ，Ｒｕ，Ｐｔのいずれか一つ以上の単体、あるいは、
化合物からなる水素触媒が入っており、ここで．ＣＯｘ
は炭化水素（Ｃ１〜０６以上まで）に変換される。運転
条件は、例えば、Ｎｊの場合は１〜２ａｔＩＩｌ．Ｃ○
の場合は１〜２５ａｔｍ．Ｆｅの場合は形態により異な
るが、１〜１ ００ａｔｍ ． Ｒｕの場合は１００〜
３００ａｔｌｌが良いと考えられる。最適条件で炭化水
素群に合成されたものは炭化水素ライン１１を介して分
離精製塔１２へ送られる。分離精製塔１２ではＣＯ未反
応物と０１成分から０６以上成分まで分離し、例えば、
ＣＯは未反応ガス回収ライン１５がら出され、合成塔１
０ヘリサイクルされる。０１〜ｃ５までは低沸点炭化水
素回収ライン１３、Ｃ８〜Ｃ１８までは高沸点炭化水素
回収ライン１４，Ｃ１ａ以上高沸点のものは重質油回収
ライン１６を介して、おのおの，目的別に集められる。The CO produced in the decomposition column 8 is sent to the synthesis column 10 via the CO supply channel 9. In the synthesis tower 10, Ni, Co, F
One or more of e, Ru, Pt alone, or
It contains a hydrogen catalyst made of a compound, where... COx
is converted to hydrocarbons (from C1 to 06 or higher). For example, in the case of Nj, the operating conditions are 1 to 2atIIl. C○
In the case of 1 to 25 atm. In the case of Fe, it varies depending on the form, but it is 1 to 100 atm. 100~ for Ru
It is considered that 300 atll is good. Hydrocarbons synthesized under optimal conditions are sent to a separation and purification column 12 via a hydrocarbon line 11. In the separation and purification column 12, CO unreacted products and components from 01 to 06 and above are separated, for example,
CO is discharged from the unreacted gas recovery line 15 and sent to the synthesis column 1.
0 helicycle. 01 to C5 are collected via a low boiling point hydrocarbon recovery line 13, C8 to C18 are collected via a high boiling point hydrocarbon recovery line 14, and those with a high boiling point above C1a are collected for each purpose via a heavy oil recovery line 16.
本発明によれば、Ｃ Ｏ ２除去と同時に、Ｃ○２再利
用が可能であるので化石燃料の延命効果とＣ Ｏ ｘ排
気量低減策の効果がある。また、本発明は、最もエネル
ギを必要とするＣ Ｏ ２の分解工程に太陽光線を用い
ており、Ｃ Ｏ ２再利用にががるエネルギ量を低減す
ることが可能となる。According to the present invention, it is possible to recycle C02 at the same time as removing CO2, thereby extending the life of fossil fuels and reducing COx emissions. Furthermore, the present invention uses sunlight for the CO 2 decomposition process that requires the most energy, making it possible to reduce the amount of energy required for CO 2 reuse.
第１図は，本発明の一実施例を示すＣ Ｏ ２除去装置
の系統図である。
２・・・Ｃ Ｏ ２吸収塔、５・・・スタッグ、６・・
ｃｏ２回収槽、
８・・
Ｃ Ｏｘ
分解塔、
１０・・・合成塔、
１ ２・・・
分離精製塔。
第１
因
ζFIG. 1 is a system diagram of a CO 2 removal device showing one embodiment of the present invention. 2...C O 2 absorption tower, 5... Stag, 6...
CO2 recovery tank, 8... C Ox decomposition tower, 10... synthesis tower, 1 2... separation and purification tower. First factor ζ
Claims (1)
用して炭化水素化合物を合成するプロセスを付加したこ
とを特徴とする二酸化炭素除去装置。 ２、二酸化炭素除去にはアルカリ性物質を湿式あるいは
乾式で用いる請求項１に記載の二酸化炭素除去装置。 ３、除去した二酸化炭素を光触媒あるいは電気分解を用
いて一酸化炭素に還元し、得られた一酸化炭素を工業原
料にすることを特徴とする請求項１に記載の二酸化炭素
除去装置。４、請求項３で得られた一酸化炭素と触媒と
を用いて炭化水素化合物を合成する装置を持つ二酸化炭
素除去装置。 ５、請求項２において二酸化炭素の分解除去にまずＣＯ
＿２分離膜を用いて濃縮させた後、除去する二酸化炭素
除去装置。[Claims] 1. A carbon dioxide removal device characterized by adding a process of synthesizing a hydrocarbon compound using the removed carbon dioxide after removing carbon dioxide. 2. The carbon dioxide removal device according to claim 1, wherein an alkaline substance is used wet or dry for carbon dioxide removal. 3. The carbon dioxide removal device according to claim 1, wherein the removed carbon dioxide is reduced to carbon monoxide using a photocatalyst or electrolysis, and the obtained carbon monoxide is used as an industrial raw material. 4. A carbon dioxide removal device comprising a device for synthesizing hydrocarbon compounds using the carbon monoxide obtained in claim 3 and a catalyst. 5. In claim 2, CO is first decomposed and removed.
_2 A carbon dioxide removal device that removes carbon dioxide after concentrating it using a separation membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9012590A JPH03218912A (en) | 1990-01-24 | 1990-01-24 | Device for removing carbon dioxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9012590A JPH03218912A (en) | 1990-01-24 | 1990-01-24 | Device for removing carbon dioxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03218912A true JPH03218912A (en) | 1991-09-26 |
Family
ID=11809568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9012590A Pending JPH03218912A (en) | 1990-01-24 | 1990-01-24 | Device for removing carbon dioxide |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03218912A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7008473B2 (en) * | 1997-09-10 | 2006-03-07 | Purifics Environmental Technologies, Inc. | System for photocatalytic treatment of contaminated media |
| EP1635932A2 (en) * | 2003-05-28 | 2006-03-22 | Entegris, Inc. | Method and apparatus for treating fluids |
| JP2006205153A (en) * | 2004-12-27 | 2006-08-10 | Tokyo Electric Power Co Inc:The | Apparatus and method for decomposing carbon dioxide by dry electrolysis |
| CN114768456A (en) * | 2013-09-18 | 2022-07-22 | 第10街1234有限公司 | Reducing carbon emission intensity of fuel |
-
1990
- 1990-01-24 JP JP9012590A patent/JPH03218912A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7008473B2 (en) * | 1997-09-10 | 2006-03-07 | Purifics Environmental Technologies, Inc. | System for photocatalytic treatment of contaminated media |
| EP1635932A2 (en) * | 2003-05-28 | 2006-03-22 | Entegris, Inc. | Method and apparatus for treating fluids |
| EP1635932A4 (en) * | 2003-05-28 | 2006-07-26 | Entegris Inc | Method and apparatus for treating fluids |
| US7316728B2 (en) | 2003-05-28 | 2008-01-08 | Entegris, Inc. | Method and apparatus for treating fluids |
| JP2006205153A (en) * | 2004-12-27 | 2006-08-10 | Tokyo Electric Power Co Inc:The | Apparatus and method for decomposing carbon dioxide by dry electrolysis |
| CN114768456A (en) * | 2013-09-18 | 2022-07-22 | 第10街1234有限公司 | Reducing carbon emission intensity of fuel |
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