KR970700058A - Wastewater Treatment Method by Catalytic Treatment and Regeneration of Catalyst - Google Patents

Wastewater Treatment Method by Catalytic Treatment and Regeneration of Catalyst

Info

Publication number
KR970700058A
KR970700058A KR1019960703390A KR19960703390A KR970700058A KR 970700058 A KR970700058 A KR 970700058A KR 1019960703390 A KR1019960703390 A KR 1019960703390A KR 19960703390 A KR19960703390 A KR 19960703390A KR 970700058 A KR970700058 A KR 970700058A
Authority
KR
South Korea
Prior art keywords
catalyst
organic solvent
treatment
acid
wastewater
Prior art date
Application number
KR1019960703390A
Other languages
Korean (ko)
Inventor
게하르트 너이엔펠트
알프레드 오트만
휴베르트 쉰들러
Original Assignee
디터 라우어
솔베이 도이치란트 게엠베하
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
Application filed by 디터 라우어, 솔베이 도이치란트 게엠베하 filed Critical 디터 라우어
Publication of KR970700058A publication Critical patent/KR970700058A/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00Sparking plugs
    • H01T13/20Sparking plugs characterised by features of the electrodes or insulation
    • H01T13/32Sparking plugs characterised by features of the electrodes or insulation characterised by features of the earthed electrode
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/90Regeneration or reactivation
    • B01J23/96Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the noble metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J38/00Regeneration or reactivation of catalysts, in general
    • B01J38/02Heat treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J38/00Regeneration or reactivation of catalysts, in general
    • B01J38/48Liquid treating or treating in liquid phase, e.g. dissolved or suspended
    • B01J38/50Liquid treating or treating in liquid phase, e.g. dissolved or suspended using organic liquids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J38/00Regeneration or reactivation of catalysts, in general
    • B01J38/48Liquid treating or treating in liquid phase, e.g. dissolved or suspended
    • B01J38/60Liquid treating or treating in liquid phase, e.g. dissolved or suspended using acids
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/725Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/36Organic compounds containing halogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Spark Plugs (AREA)
  • Catalysts (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

본 발명은 지지체상의 값비싼 금속촉매의 재생공정과, 폐수를, 특히 할로겐 유기오염물을 함유하는 폐수를 촉매처리하는 공정에 관한 것이다. 촉매를 재생하는 공정은 전체공정 중의 한 부분이다.The present invention relates to a process for regenerating an expensive metal catalyst on a support and to catalyzing wastewater, in particular wastewater containing halogen organic contaminants. The process of regenerating the catalyst is part of the overall process.

Description

촉매처리에 의한 폐수 처리 방법 및 촉매를 재생하는 방법Wastewater Treatment Method by Catalytic Treatment and Regeneration of Catalyst

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (14)

비활성하 물질을 제거하기 위하여, 지지체로서 무기산화물 및/또는 카바이드와 탄소, 또는 무기산화물, 또는 카바이드를 함유하며 금속 성분으로서 팔라듐을 함유하는 촉매를 유기용매처리 및/또는 산처리 및/또는 열처리를 하는 것을 특징으로 하는 지지체상의 불활성 금속촉매를 재생하는 방법.In order to remove the material which is inert, a catalyst containing inorganic oxide and / or carbide and carbon or inorganic oxide or carbide as a support and palladium as a metal component is subjected to organic solvent treatment and / or acid treatment and / or heat treatment. Regenerating an inert metal catalyst on a support. 제1항에 있어서, 촉매를 유기용매 또는 유기용매 혼합물로 처리하는 것을 특징으로 하는 방법.The process of claim 1 wherein the catalyst is treated with an organic solvent or an organic solvent mixture. 제1항에 있어서, 촉매를 유기용매 혼합물 또는 유기용매 혼합물과 산으로 처리하는 것을 특징으로 하는 방법.The method of claim 1 wherein the catalyst is treated with an organic solvent mixture or an organic solvent mixture and an acid. 제1항에 있어서, 촉매를 유기용매 또는 유기용매 혼합물로 처리한 다음 산으로 처리하거나, 또는 산으로 먼저 처리한 다음 유기용매나 유기용매 혼합물로 처리하는 것을 특징으로 하는 방법.The process according to claim 1, wherein the catalyst is treated with an organic solvent or an organic solvent mixture and then with an acid, or first with an acid followed by an organic solvent or an organic solvent mixture. 제1항에 있어서, 촉매를 적어도 500℃에서 열처리하고 필요한 경우에는 재활성화시키는 것을 특징으로 하는 방법.The method of claim 1, wherein the catalyst is heat treated at at least 500 ° C. and reactivated if necessary. 제1항에 있어서, 촉매를 산처리한 후 적어도 500℃에서 열처리하거나, 또는 적어도 500℃에서 먼저 열처리한 후 산처리하는 것을 특징으로 하는 방법.The method of claim 1, wherein the catalyst is subjected to an acid treatment followed by heat treatment at least at 500 ° C., or first at least 500 ° C. followed by acid treatment. 제1항 내지 제4항 중 어느 한 항에 있어서, 유기용매로서 극성용매인 케톤, 알콜, 에테르, 바람직하게는 아세톤을 사용하는 것을 특징으로 하는 방법.The process according to any one of claims 1 to 4, wherein a ketone, an alcohol, an ether, preferably acetone, which is a polar solvent, is used as the organic solvent. 제1항 내지 제6항 중 어느 한 항에 있어서, 산으로 pH 값이 3 미만인 산, 바람직하게는 염산을 사용하는 것을 특징으로 하는 방법.The process according to any of the preceding claims, characterized in that an acid is used which has a pH value of less than 3, preferably hydrochloric acid. 제1항 내지 제4항 중 어느 한 항에 있어서, 촉매의 재생을 실온에서 행하는 것을 특징으로 하는 방법.The process according to any one of claims 1 to 4, wherein the catalyst is regenerated at room temperature. 촉매가 존재하는 적어도 하나의 반응기내에서 수소의 존재하에 지지체상의 촉매를 이용하여 할로겐 유기화합물, 특히 클로로 유기화합물을 함유하는 폐수를 처리함에 있어서, 불활성화 성분의 제거를 위하여 제1항 내지 제9항 중 어느 한 항에 따른 촉매의 재생공정이 삽입되어 선택적으로 폐수를 탈염소화하거나 촉매를 재생시키는 것을 특징으로 하는 폐수처리방법.In the treatment of wastewater containing halogen organic compounds, in particular chloro organic compounds, using a catalyst on a support in the presence of hydrogen in at least one reactor in which the catalyst is present, A process for treating wastewater, characterized in that a process for regenerating the catalyst according to any one of the preceding claims is inserted to selectively dechlorinate or regenerate the catalyst. 제10항에 있어서, 폐수의 pH 값이 3∼10, 바람직하게는 4∼6이고, 5∼80℃, 바람직하게는 10∼30℃, 1∼10 수소압하에서 지지체상의 불활성금속 촉매를 이용하는 것을 특징으로 하는 폐수처리방법.The method according to claim 10, wherein the pH value of the wastewater is 3 to 10, preferably 4 to 6, and 5 to 80 ° C, preferably 10 to 30 ° C, using an inert metal catalyst on a support under 1 to 10 hydrogen pressure. Wastewater treatment method characterized in that. 제10항에 있어서, 졸-겔 공정에 따라 제조된 촉매 지지체를 사용하는 것을 특징으로 하는 폐수처리방법.The wastewater treatment method according to claim 10, wherein a catalyst support prepared according to a sol-gel process is used. 제10항에 있어서, 불활성금속 촉매로서 팔라듐 촉매를 사용하는 것을 특징으로 하는 폐수처리방법.The wastewater treatment method according to claim 10, wherein a palladium catalyst is used as the inert metal catalyst. 제10항에 있어서, 산화물, 바람직하게는 알루미늄, 마그네슘, 지르콘, 규소의 산화물 혹은 카바이드, 바람직하게는 실리슘카바이드 또는 이들의 혼합물 또는 탄소와 함께 촉매가 사용되는 것을 특징으로 하는 폐수처리방법.Process according to claim 10, characterized in that a catalyst is used together with an oxide, preferably an oxide or carbide of aluminum, magnesium, zircon, silicon, preferably silicon carbide or a mixture thereof or carbon.
KR1019960703390A 1993-03-02 1995-02-04 Wastewater Treatment Method by Catalytic Treatment and Regeneration of Catalyst KR970700058A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE9300203A BE1009076A5 (en) 1993-03-02 1993-03-02 Mass improved electrode candle.
DEP4406558.4 1994-03-01
DE4406558A DE4406558A1 (en) 1993-03-02 1994-03-01 Spark plug having an earth electrode

Publications (1)

Publication Number Publication Date
KR970700058A true KR970700058A (en) 1997-01-08

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ID=3886882

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Application Number Title Priority Date Filing Date
KR1019960703390A KR970700058A (en) 1993-03-02 1995-02-04 Wastewater Treatment Method by Catalytic Treatment and Regeneration of Catalyst

Country Status (5)

Country Link
JP (1) JPH0750193A (en)
KR (1) KR970700058A (en)
BE (1) BE1009076A5 (en)
DE (1) DE4406558A1 (en)
RU (1) RU2120691C1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030028041A (en) * 2001-09-27 2003-04-08 주식회사 제오텍 Reproduction-Method For Recycling The Same Of The Catalyzer Used Waste Water Treatment

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1154240A (en) * 1997-07-31 1999-02-26 Ngk Spark Plug Co Ltd Spark plug
JP4586564B2 (en) * 2005-02-18 2010-11-24 日立工機株式会社 Combustion nailer
JP5303999B2 (en) * 2008-04-07 2013-10-02 スズキ株式会社 Spark plug for internal combustion engine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB195080A (en) * 1922-03-15 1923-10-11 Desire Zimmermann Improvements in sparking plugs
DE2520622A1 (en) * 1975-05-09 1976-11-18 Bosch Gmbh Robert SPARK PLUG FOR COMBUSTION MACHINERY
GB2189545B (en) * 1986-04-26 1990-03-14 John Rendell Conrad Pedersen Sparking plug
GB2210103B (en) * 1987-09-17 1992-02-05 Champion Spark Plug Europ Spark plug for internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030028041A (en) * 2001-09-27 2003-04-08 주식회사 제오텍 Reproduction-Method For Recycling The Same Of The Catalyzer Used Waste Water Treatment

Also Published As

Publication number Publication date
JPH0750193A (en) 1995-02-21
RU2120691C1 (en) 1998-10-20
DE4406558A1 (en) 1994-09-15
BE1009076A5 (en) 1996-11-05

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