DE69940491D1 - Verfahren zur Zersetzung vom Bromsäure mit Photokatakysatoren - Google Patents

Verfahren zur Zersetzung vom Bromsäure mit Photokatakysatoren

Info

Publication number
DE69940491D1
DE69940491D1 DE69940491T DE69940491T DE69940491D1 DE 69940491 D1 DE69940491 D1 DE 69940491D1 DE 69940491 T DE69940491 T DE 69940491T DE 69940491 T DE69940491 T DE 69940491T DE 69940491 D1 DE69940491 D1 DE 69940491D1
Authority
DE
Germany
Prior art keywords
photocatalyst
liquid
bromate ions
photocatalytic reaction
decompose
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.)
Expired - Lifetime
Application number
DE69940491T
Other languages
English (en)
Inventor
Hiroshi Noguchi
Rie Kagami
Shigeo Sato
Miyoko Kusumi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP25315298A external-priority patent/JP3826580B2/ja
Priority claimed from JP25315398A external-priority patent/JP3758376B2/ja
Application filed by Meidensha Corp, Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Corp
Application granted granted Critical
Publication of DE69940491D1 publication Critical patent/DE69940491D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/10—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation
    • A62D3/17—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation to electromagnetic radiation, e.g. emitted by a laser
    • A62D3/176—Ultraviolet radiations, i.e. radiation having a wavelength of about 3nm to 400nm
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
    • A62D3/38—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by oxidation; by combustion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
    • B01J19/122—Incoherent waves
    • B01J19/123—Ultraviolet light
    • 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
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • 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
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • 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
    • C02F1/70—Treatment of water, waste water, or sewage by reduction
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/40—Inorganic substances
    • A62D2101/49—Inorganic substances containing halogen
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2203/00—Aspects of processes for making harmful chemical substances harmless, or less harmful, by effecting chemical change in the substances
    • A62D2203/02—Combined processes involving two or more distinct steps covered by groups A62D3/10 - A62D3/40
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2203/00—Aspects of processes for making harmful chemical substances harmless, or less harmful, by effecting chemical change in the substances
    • A62D2203/10—Apparatus specially adapted for treating harmful chemical agents; Details thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00177—Controlling or regulating processes controlling the pH
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0873—Materials to be treated
    • B01J2219/0881—Two or more materials
    • B01J2219/0884—Gas-liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0873—Materials to be treated
    • B01J2219/0892—Materials to be treated involving catalytically active material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/12—Halogens or halogen-containing compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Optics & Photonics (AREA)
  • Catalysts (AREA)
  • Physical Water Treatments (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
DE69940491T 1998-09-08 1999-09-03 Verfahren zur Zersetzung vom Bromsäure mit Photokatakysatoren Expired - Lifetime DE69940491D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP25315298A JP3826580B2 (ja) 1998-09-08 1998-09-08 光触媒利用の臭素酸分解方法およびその装置
JP25315398A JP3758376B2 (ja) 1998-09-08 1998-09-08 光触媒利用の臭素酸分解方法およびその装置

Publications (1)

Publication Number Publication Date
DE69940491D1 true DE69940491D1 (de) 2009-04-16

Family

ID=26541057

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69940491T Expired - Lifetime DE69940491D1 (de) 1998-09-08 1999-09-03 Verfahren zur Zersetzung vom Bromsäure mit Photokatakysatoren

Country Status (8)

Country Link
US (2) US6372095B1 (de)
EP (1) EP0997439B1 (de)
KR (1) KR100342786B1 (de)
CN (1) CN1182042C (de)
AT (1) ATE424373T1 (de)
CA (1) CA2281392C (de)
DE (1) DE69940491D1 (de)
DK (1) DK0997439T3 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100439195B1 (ko) * 2001-08-06 2004-07-07 학교법인조선대학교 광촉매 반응에 의한 용수 살균 방법 및 장치
WO2004101442A1 (en) * 2003-05-19 2004-11-25 Ntu Ventures Private Limited Method and system for the degradation of halogenated compounds
JP2005224771A (ja) * 2004-02-16 2005-08-25 Mitsubishi Heavy Ind Ltd 排水処理装置
US20060063667A1 (en) * 2004-09-20 2006-03-23 Tsai-Chuan Lu Photo-catalyst physical water molecule for medical purposes
KR100680581B1 (ko) * 2004-10-29 2007-02-09 한국원자력연구소 브롬산 이온을 함유하는 음용수의 황철석을 이용한 처리방법
KR100680582B1 (ko) * 2004-10-29 2007-02-09 한국원자력연구소 황철석을 이용한 수중 요오드 혼합물의 제거방법
US20090169425A1 (en) * 2007-12-27 2009-07-02 Industry-Academic Cooperation Foundation, Yonsei University Apparatus and method for disinfecting food using photo-catalytic reaction of titanium dioxide and ultraviolet rays
US20130153515A1 (en) * 2010-10-26 2013-06-20 Empire Technology Development Llc Water treatment apparatus and systems
TW201412380A (zh) * 2012-08-13 2014-04-01 Albemarle Corp 濕法煙道氣脫硫中之三鹵甲烷控制
CN102872855B (zh) * 2012-10-17 2014-09-17 桂林理工大学 可见光响应的含锂氧化物光催化剂及其制备方法
US8709262B2 (en) * 2013-01-09 2014-04-29 King Abdulaziz University Synthesizing and utilizing solar light activated nano-particle photocatalyst
CN103316666B (zh) * 2013-06-25 2015-06-10 桂林理工大学 可见光响应的光催化剂Ba3Ti2V4O17及其制备方法
US9751785B2 (en) * 2013-10-08 2017-09-05 Arizona Board Of Regents For And On Behalf Of Arizona State University Photocatalytic reduction of oxo-anions
CN106957080B (zh) * 2016-01-08 2022-03-22 松下知识产权经营株式会社 水处理方法和水处理装置
CN107804938B (zh) * 2016-09-08 2022-05-13 松下知识产权经营株式会社 液体处理方法和液体处理装置
SG10201706401PA (en) * 2017-08-04 2019-03-28 Citic Envirotech Ltd Method and system for treatment of organic contaminants by coupling fenton reaction with membrane filtration
CN112591869B (zh) * 2020-11-21 2023-02-17 江西挺进环保科技股份有限公司 一种含有机废水的处理方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6118494A (ja) * 1984-07-05 1986-01-27 Agency Of Ind Science & Technol 廃水中の重金属イオンの除去方法
US5104550A (en) * 1988-08-19 1992-04-14 Solarchem Enterprises Inc. Oxidation and photooxidation process
JPH05104084A (ja) * 1991-10-18 1993-04-27 Nec Corp 水中の有機塩素系溶剤成分を分解する方法およびその装置
JPH05154473A (ja) * 1991-12-06 1993-06-22 Nippon Fuoto Sci:Kk 流体の光化学反応処理方法
US5501801A (en) * 1993-11-30 1996-03-26 Board Of Control Of Michigan Technology University Method and apparatus for destroying organic compounds in fluid
US5462674A (en) * 1994-03-03 1995-10-31 Purific Environmental Technologies, Inc. Method and system for photocatalytic decontamination
US5637231A (en) * 1995-06-07 1997-06-10 Huron Valley Technology, Inc. Method and apparatus for using ozone in a pressure vessel to treat stream of pollutants
JPH0975959A (ja) * 1995-09-14 1997-03-25 Agency Of Ind Science & Technol オゾンと光触媒による排水の処理方法
KR19980036723A (ko) * 1996-11-19 1998-08-05 이규철 광촉매를 이용한 가정용 및 산업용의 정수처리방법 및 정수처리장치
US5779912A (en) * 1997-01-31 1998-07-14 Lynntech, Inc. Photocatalytic oxidation of organics using a porous titanium dioxide membrane and an efficient oxidant
JP3624625B2 (ja) * 1997-05-27 2005-03-02 株式会社明電舎 エキシマ紫外線ランプを用いた浄水処理方法

Also Published As

Publication number Publication date
EP0997439A2 (de) 2000-05-03
CA2281392A1 (en) 2000-03-08
US6372095B1 (en) 2002-04-16
US6846468B2 (en) 2005-01-25
EP0997439A3 (de) 2002-08-14
PL335294A1 (en) 2000-03-13
KR20000022991A (ko) 2000-04-25
ATE424373T1 (de) 2009-03-15
US20020117392A1 (en) 2002-08-29
CN1247163A (zh) 2000-03-15
DK0997439T3 (da) 2009-06-08
KR100342786B1 (ko) 2002-07-04
EP0997439B1 (de) 2009-03-04
CA2281392C (en) 2005-05-31
CN1182042C (zh) 2004-12-29

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