JP5755340B2 - 海水スクラバーからの排出海水を処理するための方法及び装置 - Google Patents
海水スクラバーからの排出海水を処理するための方法及び装置 Download PDFInfo
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
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- B01D53/50—Sulfur oxides
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- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/96—Regeneration, reactivation or recycling of reactants
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
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- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F1/02—Treatment of water, waste water, or sewage by heating
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- C—CHEMISTRY; METALLURGY
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
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- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
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Description
本発明は、二酸化硫黄を含有するプロセスガスと海水とを接触させることによる、プロセスガスから二酸化硫黄を除去する際に生じる排出海水を処理する方法に関する。
多くの工業プロセスでは、汚染物質を含有するプロセスガスが発生している。かかる工業プロセスの1つは、発電所などの燃焼プラントにおいて、石炭、石油、泥炭、廃石などの燃料の燃焼であり、それによって高温のプロセスガスが生じ、これはしばしば煙道ガスと呼ばれ、二酸化硫黄、SO2などの酸性ガスを含む汚染物質を含有する。煙道ガスが大気に放出され得る前に、できるだけ多くの酸性ガスを煙道ガスから除去する必要がある。汚染物質を含有するプロセスガスが生じる工業プロセスの別の例は、アルミナからのアルミニウムの電解製造である。このプロセスでは、二酸化硫黄、SO2を含有するプロセスガスは、電解槽の排気フード内で生じる。
本発明の課題は、海水を用いてガス脱硫プロセスからの排出海水を処理する方法を提供することであり、該方法は従来技術よりも更に効率的である。
図1は、発電所1を例示する模式的な側断面図である。発電所1は、給気管4を介して供給される、石炭又は石油などの燃料が、酸素供給ダクト6を介して供給される、酸素の存在下で燃焼するボイラー2を含む。酸素は、例えば、ボイラー2がいわゆる酸素燃料ボイラーである場合、空気の形で、及び/又は酸素ガスと再循環ガスとの混合物の形で供給され得る。燃料の燃焼により、高熱のプロセスガスが煙道ガスの形で発生する。石炭又は石油中に含有される硫黄種は、燃焼時に二酸化硫黄、SO2を形成し、これは煙道ガスの一部を形成する。
SO2(g)+H2O → HSO3 -(aq)+H+(aq)[eq.1.1a]
HSO3 -(aq) ←→ SO3 2-(aq)+H+(aq)[eq.1.1b]
HSO3 −+H++1/2O2(g) → SO4 2-+2H+[eq.1.2a]
SO3 2−+2H++1/2O2(g) → SO4 2-+2H+[eq.1.2b]
H+ + HCO3 - → H2O + CO2[eq.1.3]
HSO3 − + H++1/2O2(g) + 酵素 → SO4 2− + 2H+ + 酵素[eq.2.1a]
SO3 2− + 2H+ + 1/2O2(g) + 酵素 → SO4 2− + 2H+ + 酵素[eq.2.1b]
Claims (9)
- 二酸化硫黄を含有するプロセスガスと海水とを接触させることによってプロセスガスから二酸化硫黄を除去する際に生じる排出海水の処理方法であって、
酸素含有ガスと排出海水が混合される混合領域を形成するために、酸素供給システムを介して酸素含有ガスを酸化池中の排出海水中に吹き込み、且つ
前記混合領域に隣接するように配置され且つ酸化池中に固定された、酵素支持構造の形の少なくとも1つの酵素接触システムによって、前記混合領域と前記排出海水中の重亜硫酸イオン及び/又は亜硫酸イオンを硫酸イオンに酸化するための酵素とを接触させる、
前記方法。 - 酵素溶液を前記排出海水に供給することを更に含む、請求項1に記載の方法。
- 担持体の形の担体の上に固定された前記酵素と排出海水とを混合することを更に含む、請求項1に記載の方法。
- 排出海水から担持体の上に固定された前記酵素を捕捉位置で除去し、且つ担持体を、捕捉位置の上流で排出海水に戻すことを更に含む、請求項1に記載の方法。
- 前記酵素を固定された状態で有する少なくとも1つの固定された酵素支持構造の形の少なくとも1つの担体が固定されている、酸化池に排出海水を通すことを更に含む、請求項1に記載の方法。
- プロセスガスと海水とを接触させて前記プロセスガスから二酸化硫黄を除去するための湿式スクラバーと、プロセスガスから二酸化硫黄を除去すると共に、湿式スクラバーで生じる排出海水を受け取るための酸化池システムとを含む、海水ベースのプロセスガス浄化システムであって、
排出海水をそれらの処理の間に含有するための酸化池、
該酸化池中の排出海水に酸素を供給するための酸素供給システム、及び
排出海水中の重亜硫酸イオン及び/又は亜硫酸イオンの硫酸イオンへの酸化を触媒する酵素と排出海水とを接触させるための酵素接触システムを含み、その際、
酸素含有ガスと排出海水が混合される混合領域を形成するために、前記酸素供給システムを介して酸素含有ガスを前記酸化池中の排出海水中に吹き込み、且つ
前記混合領域に隣接するように配置され且つ前記酸化池中に固定された、酵素支持構造の形の少なくとも1つの酵素接触システムによって、前記混合領域と前記排出海水中の重亜硫酸イオン及び/又は亜硫酸イオンを硫酸イオンに酸化するための前記酵素とを接触させる、前記ガス浄化システム。 - 酸化池システムの酵素接触システムが、前記酵素が固定された少なくとも1つの担体を含み、前記担体が、少なくとも時々、酸化池システムに浸漬している、請求項6に記載のガス浄化システム。
- 前記酵素が、酸化池中の排出海水に分散された担持体を含む、少なくとも1つの担体の上に固定されている、請求項6に記載のガス浄化システム。
- 前記酸化池システムが、酸化池の捕捉位置で排出海水から担持体の上に固定された前記酵素を除去し、且つ該担持体の上に固定された酵素を捕捉位置の上流で酸化池に戻す酵素担持体輸送システムを更に含む、請求項6に記載のガス浄化システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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EP11153959.9 | 2011-02-10 | ||
EP11153959.9A EP2486969B1 (en) | 2011-02-10 | 2011-02-10 | A method and a device for treating effluent seawater from a seawater scrubber |
PCT/IB2012/000188 WO2012107817A1 (en) | 2011-02-10 | 2012-02-02 | A method and a device for treating effluent seawater from a seawater scrubber |
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JP2014509257A JP2014509257A (ja) | 2014-04-17 |
JP5755340B2 true JP5755340B2 (ja) | 2015-07-29 |
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JP2013553040A Expired - Fee Related JP5755340B2 (ja) | 2011-02-10 | 2012-02-02 | 海水スクラバーからの排出海水を処理するための方法及び装置 |
Country Status (9)
Country | Link |
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US (1) | US9327230B2 (ja) |
EP (1) | EP2486969B1 (ja) |
JP (1) | JP5755340B2 (ja) |
KR (1) | KR101536608B1 (ja) |
CN (2) | CN103347590A (ja) |
ES (1) | ES2590359T3 (ja) |
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US9409124B2 (en) * | 2012-05-22 | 2016-08-09 | Alstom Technology Ltd | Flow control grid |
EP2738364A1 (en) * | 2012-11-29 | 2014-06-04 | Alfa Laval Corporate AB | Exhaust gas scrubber, system for treatment of scrubber water and use of an exhaust gas scrubber |
KR101829353B1 (ko) * | 2013-01-30 | 2018-02-19 | 후지 덴키 가부시키가이샤 | 선박용 디젤 엔진 배기가스 처리 시스템 |
US9550688B2 (en) * | 2013-09-18 | 2017-01-24 | General Electric Technology Gmbh | Method and apparatus for catalyzing seawater aeration basins |
US20150076079A1 (en) * | 2013-09-18 | 2015-03-19 | Alstom Technology Ltd | Method and system for seawter foam control |
US20150321123A1 (en) * | 2014-05-08 | 2015-11-12 | Alstom Technology Ltd | Antifoam device and method of use for seawater foam control |
JP6269844B2 (ja) * | 2014-09-02 | 2018-01-31 | 富士電機株式会社 | 排ガス処理装置及び排ガス処理装置の排水処理方法 |
KR101723399B1 (ko) | 2016-12-06 | 2017-04-05 | (주)유나 | 폐액 보관함 |
TWI646279B (zh) * | 2017-06-01 | 2019-01-01 | 華邦電子股份有限公司 | 管路系統 |
CN112316683A (zh) * | 2020-11-03 | 2021-02-05 | 中国石油化工股份有限公司 | 一种烟气脱硫装置及其方法 |
CN113757699B (zh) * | 2021-09-30 | 2022-07-29 | 深圳市环境工程科学技术中心有限公司 | 一种活性炭吸附装置 |
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DE3313178A1 (de) * | 1983-04-12 | 1984-10-18 | Boehringer Mannheim Gmbh, 6800 Mannheim | Verfahren zur enzymatischen bestimmung von sulfit |
US5032523A (en) * | 1987-01-14 | 1991-07-16 | Lion Corporation | Preparation of optically active esters |
DK130587A (da) * | 1987-03-13 | 1988-09-14 | Dansk Biolog Produktion Amba | Fremgangsmaade til afsvovling af roeggasser |
US4804523A (en) * | 1987-06-17 | 1989-02-14 | Bechtel Group, Incorporated | Use of seawater in flue gas desulfurization |
US5484535A (en) | 1994-05-19 | 1996-01-16 | The Babcock & Wilcox Company | Seawater effluent treatment downstream of seawater SO2 scrubber |
DE29517698U1 (de) * | 1995-07-29 | 1996-01-18 | Gottfried Bischoff GmbH & Co. KG, 45136 Essen | Rauchgasentschwefelungsanlage |
JPH09239233A (ja) * | 1996-03-05 | 1997-09-16 | Mitsubishi Heavy Ind Ltd | 排煙脱硫方法及び装置並びに該装置を搭載した船舶 |
DE19752470C2 (de) * | 1997-11-27 | 2002-04-11 | Lurgi Lentjes Bischoff Gmbh | Verfahren und Anlage zum Abtennen von SO¶2¶ aus Abgas |
NO314129B1 (no) * | 1999-12-08 | 2003-02-03 | Alstom Switzerland Ltd | Anvendelse og fremgangsmåte for å øke oksidering av svoveldioksid oppløst i sjøvann |
US7329532B2 (en) * | 2001-07-27 | 2008-02-12 | Global Biosciences, Inc. | Remediation of sulfur-containing pollutants with hydrocarbon-utilizing bacteria |
EP1840203A1 (en) * | 2006-03-31 | 2007-10-03 | Cargill, Inc. | Enzymatic modification in a continuously regenerated packed bed column |
JP5259964B2 (ja) * | 2007-02-28 | 2013-08-07 | 三菱重工業株式会社 | 海水排煙脱硫システム |
CN100526467C (zh) * | 2007-12-29 | 2009-08-12 | 东北电力大学 | 一种生物聚合硫酸铁的制备方法 |
CN101342442B (zh) * | 2008-08-26 | 2011-11-16 | 山东鲁北企业集团总公司 | 一种无外排海水脱硫综合利用的方法 |
EP2347816B1 (en) * | 2008-10-17 | 2014-08-06 | Sigan Peng | Process and device for simultaneously desulfurizing and denitrating the flue gas with the seawater |
MY169823A (en) * | 2009-04-06 | 2019-05-16 | Mitsubishi Hitachi Power Sys Ltd | Seawater desulfurization/oxidation treatment apparatus, method of treating desulfurization seawater, and power generating system employing the same |
JP2010269248A (ja) | 2009-05-21 | 2010-12-02 | Mitsubishi Heavy Ind Ltd | 排煙脱硫吸収装置及び排ガス処理方法 |
CN101708429B (zh) * | 2009-12-02 | 2013-07-03 | 中国海洋大学 | 一种利用海水脱除烟气中二氧化硫的工艺 |
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2011
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US9327230B2 (en) | 2016-05-03 |
CN103347590A (zh) | 2013-10-09 |
KR101536608B1 (ko) | 2015-07-14 |
JP2014509257A (ja) | 2014-04-17 |
KR20130126702A (ko) | 2013-11-20 |
TWI564067B (zh) | 2017-01-01 |
WO2012107817A1 (en) | 2012-08-16 |
US20130306556A1 (en) | 2013-11-21 |
EP2486969B1 (en) | 2016-06-15 |
ES2590359T3 (es) | 2016-11-21 |
CN107010710A (zh) | 2017-08-04 |
SA112330248B1 (ar) | 2015-04-01 |
TW201240717A (en) | 2012-10-16 |
EP2486969A1 (en) | 2012-08-15 |
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