CA2846324A1 - Reduction de la pollution environnementale et de l'encrassement durant la combustion de charbon - Google Patents
Reduction de la pollution environnementale et de l'encrassement durant la combustion de charbon Download PDFInfo
- Publication number
- CA2846324A1 CA2846324A1 CA2846324A CA2846324A CA2846324A1 CA 2846324 A1 CA2846324 A1 CA 2846324A1 CA 2846324 A CA2846324 A CA 2846324A CA 2846324 A CA2846324 A CA 2846324A CA 2846324 A1 CA2846324 A1 CA 2846324A1
- Authority
- CA
- Canada
- Prior art keywords
- coal
- sorbent
- weight
- powder
- mercury
- 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.)
- Abandoned
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J7/00—Arrangement of devices for supplying chemicals to fire
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/02—Use of additives to fuels or fires for particular purposes for reducing smoke development
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/04—Use of additives to fuels or fires for particular purposes for minimising corrosion or incrustation
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
- C10L5/04—Raw material of mineral origin to be used; Pretreatment thereof
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L9/00—Treating solid fuels to improve their combustion
- C10L9/10—Treating solid fuels to improve their combustion by using additives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2200/00—Components of fuel compositions
- C10L2200/02—Inorganic or organic compounds containing atoms other than C, H or O, e.g. organic compounds containing heteroatoms or metal organic complexes
- C10L2200/0204—Metals or alloys
- C10L2200/0213—Group II metals: Be, Mg, Ca, Sr, Ba, Ra, Zn, Cd, Hg
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2200/00—Components of fuel compositions
- C10L2200/02—Inorganic or organic compounds containing atoms other than C, H or O, e.g. organic compounds containing heteroatoms or metal organic complexes
- C10L2200/0204—Metals or alloys
- C10L2200/0218—Group III metals: Sc, Y, Al, Ga, In, Tl
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2200/00—Components of fuel compositions
- C10L2200/02—Inorganic or organic compounds containing atoms other than C, H or O, e.g. organic compounds containing heteroatoms or metal organic complexes
- C10L2200/0204—Metals or alloys
- C10L2200/024—Group VIII metals: Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2200/00—Components of fuel compositions
- C10L2200/02—Inorganic or organic compounds containing atoms other than C, H or O, e.g. organic compounds containing heteroatoms or metal organic complexes
- C10L2200/025—Halogen containing compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2200/00—Components of fuel compositions
- C10L2200/02—Inorganic or organic compounds containing atoms other than C, H or O, e.g. organic compounds containing heteroatoms or metal organic complexes
- C10L2200/0272—Silicon containing compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2230/00—Function and purpose of a components of a fuel or the composition as a whole
- C10L2230/02—Absorbents, e.g. in the absence of an actual absorbent column or scavenger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/10—Nitrogen; Compounds thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/20—Sulfur; Compounds thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/60—Heavy metals; Compounds thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2201/00—Pretreatment of solid fuel
- F23K2201/50—Blending
- F23K2201/505—Blending with additives
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treating Waste Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Chimneys And Flues (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361788442P | 2013-03-15 | 2013-03-15 | |
US61/788,442 | 2013-03-15 | ||
US14/210,909 | 2014-03-14 | ||
US14/210,909 US20140299028A1 (en) | 2013-03-15 | 2014-03-14 | Reducing environmental pollution and fouling when burning coal |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2846324A1 true CA2846324A1 (fr) | 2014-09-15 |
Family
ID=51538008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2846324A Abandoned CA2846324A1 (fr) | 2013-03-15 | 2014-03-14 | Reduction de la pollution environnementale et de l'encrassement durant la combustion de charbon |
Country Status (12)
Country | Link |
---|---|
US (1) | US20140299028A1 (fr) |
EP (2) | EP3450525A1 (fr) |
JP (3) | JP6522581B2 (fr) |
CN (1) | CN105339070A (fr) |
AU (1) | AU2014232958B2 (fr) |
CA (1) | CA2846324A1 (fr) |
EA (1) | EA035630B1 (fr) |
ES (1) | ES2691844T3 (fr) |
GE (1) | GEP20186896B (fr) |
PT (1) | PT2969124T (fr) |
UA (1) | UA118100C2 (fr) |
WO (1) | WO2014145473A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115869580A (zh) * | 2022-11-29 | 2023-03-31 | 贵州大学 | 一种汞尾矿固化剂及其使用方法 |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2968816C (fr) | 2005-03-17 | 2019-12-03 | Nox Ii, Ltd. | Reduction des emissions de mercure emanant de la combustion de charbon |
PL1866057T3 (pl) | 2005-03-17 | 2022-05-16 | Nox Ii International, Ltd. | Redukcja emisji rtęci ze spalania węgla |
US11298657B2 (en) | 2010-10-25 | 2022-04-12 | ADA-ES, Inc. | Hot-side method and system |
US8951487B2 (en) | 2010-10-25 | 2015-02-10 | ADA-ES, Inc. | Hot-side method and system |
US8496894B2 (en) | 2010-02-04 | 2013-07-30 | ADA-ES, Inc. | Method and system for controlling mercury emissions from coal-fired thermal processes |
US8845986B2 (en) | 2011-05-13 | 2014-09-30 | ADA-ES, Inc. | Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers |
US8883099B2 (en) | 2012-04-11 | 2014-11-11 | ADA-ES, Inc. | Control of wet scrubber oxidation inhibitor and byproduct recovery |
US9957454B2 (en) | 2012-08-10 | 2018-05-01 | ADA-ES, Inc. | Method and additive for controlling nitrogen oxide emissions |
GB201312634D0 (en) | 2013-07-15 | 2013-08-28 | Puresmoke Ltd | Method for smoking food and apparatus therefor |
US9889451B2 (en) | 2013-08-16 | 2018-02-13 | ADA-ES, Inc. | Method to reduce mercury, acid gas, and particulate emissions |
US10759696B2 (en) * | 2015-01-30 | 2020-09-01 | Scb International Holdings, Llc | Cement kiln fuel treatment |
DE102015111486A1 (de) * | 2015-07-15 | 2017-01-19 | Thyssenkrupp Ag | Verfahren zur Einhaltung von Emissionsgrenzwerten in einem Brennprozess |
CN108602014B (zh) * | 2015-12-02 | 2021-11-23 | Nox Ii 国际有限公司 | 用于汞修复的煤的酶处理 |
JP7333159B2 (ja) * | 2016-12-26 | 2023-08-24 | 日本電気硝子株式会社 | 無アルカリガラス基板の製造方法 |
KR101940082B1 (ko) * | 2018-03-07 | 2019-01-18 | 강태훈 | 유리성분 첨가제가 포함된 미세먼지 저감용 신재생 고형화연료 및 그 제조방법 |
CN108525639B (zh) * | 2018-04-27 | 2019-07-30 | 福州大学 | 一种垃圾焚烧中氯吸附材料的制备方法及其应用 |
EP3820607A1 (fr) * | 2018-07-11 | 2021-05-19 | S.A. Lhoist Recherche Et Developpement | Composition de sorbant pour un précipitateur électrostatique |
CN110346409A (zh) * | 2019-08-01 | 2019-10-18 | 太原市海通自动化技术有限公司 | 一种利用高温等离子体进行煤发热量分析的方法及装置 |
CN112323064A (zh) * | 2020-10-13 | 2021-02-05 | 浙江大学 | 抑制生物质锅炉换热面高温腐蚀的方法 |
KR102391820B1 (ko) * | 2022-03-16 | 2022-05-09 | 주식회사 한국분체 | 저품위 납석과 재생 산화알루미나를 포함하는 클링커 방지용 연소첨가제 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5653729A (en) * | 1979-08-01 | 1981-05-13 | Hitachi Ltd | Purifying method of boiler exhaust gas |
JP3771687B2 (ja) * | 1997-09-03 | 2006-04-26 | 三菱重工業株式会社 | 石炭焚きボイラの灰付着抑制方法 |
JP2002053352A (ja) * | 2000-08-08 | 2002-02-19 | Taiheiyo Cement Corp | ひび割れが少ないコンクリート構築物 |
JP4437628B2 (ja) * | 2001-06-08 | 2010-03-24 | 太平洋セメント株式会社 | コンクリート組成物 |
WO2006006978A1 (fr) * | 2004-06-28 | 2006-01-19 | Nox Ii International, Ltd. | Reduction des emissions de gaz sulfureux issus de la combustion de combustibles carbones |
CA2581302C (fr) * | 2004-10-01 | 2013-05-07 | William Digdon | Composition et procede pour l'oxydation du mercure dans des processus de combustion |
PL1866057T3 (pl) * | 2005-03-17 | 2022-05-16 | Nox Ii International, Ltd. | Redukcja emisji rtęci ze spalania węgla |
CA2968816C (fr) * | 2005-03-17 | 2019-12-03 | Nox Ii, Ltd. | Reduction des emissions de mercure emanant de la combustion de charbon |
US7468170B2 (en) * | 2005-12-21 | 2008-12-23 | Douglas C Comrie | Nitrogenous sorbent for coal combustion |
US20070163476A1 (en) * | 2006-01-18 | 2007-07-19 | Comrie Douglas C | Apparatus for delivery of sorbent to a furnace during combustion |
US8150776B2 (en) * | 2006-01-18 | 2012-04-03 | Nox Ii, Ltd. | Methods of operating a coal burning facility |
US20070184394A1 (en) * | 2006-02-07 | 2007-08-09 | Comrie Douglas C | Production of cementitious ash products with reduced carbon emissions |
JP2008170107A (ja) * | 2007-01-12 | 2008-07-24 | Chugoku Electric Power Co Inc:The | 酸化物低減方法及びそれに用いる石炭添加用酸化物低減剤 |
US8906823B2 (en) * | 2007-09-24 | 2014-12-09 | Basf Corporation | Pollutant emission control sorbents and methods of manufacture and use |
EP2346802A4 (fr) * | 2008-10-22 | 2012-11-21 | Southern Res Inst | Procédé de décontamination de gaz de synthèse |
CN101417223B (zh) * | 2008-11-18 | 2012-01-04 | 上海电力学院 | 一种能够同时脱硫脱硝的碳基燃煤烟气汞吸附剂及其应用 |
US20110048231A1 (en) * | 2009-08-28 | 2011-03-03 | Sinha Rabindra K | Composition and Method for Reducing Mercury Emitted into the Atmosphere |
WO2011078928A1 (fr) * | 2009-12-22 | 2011-06-30 | Casella Waste Systems, Inc. | Charges de combustible technique contenant un sorbant |
US8845986B2 (en) * | 2011-05-13 | 2014-09-30 | ADA-ES, Inc. | Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers |
MX2015005859A (es) * | 2012-11-13 | 2015-08-10 | Colormatrix Holdings Inc | Color y efectos en materiales de plastico. |
-
2014
- 2014-03-14 CA CA2846324A patent/CA2846324A1/fr not_active Abandoned
- 2014-03-14 US US14/210,909 patent/US20140299028A1/en not_active Abandoned
- 2014-03-17 JP JP2016503359A patent/JP6522581B2/ja not_active Expired - Fee Related
- 2014-03-17 WO PCT/US2014/030244 patent/WO2014145473A1/fr active Application Filing
- 2014-03-17 EP EP18177527.1A patent/EP3450525A1/fr not_active Withdrawn
- 2014-03-17 PT PT14763928T patent/PT2969124T/pt unknown
- 2014-03-17 AU AU2014232958A patent/AU2014232958B2/en active Active
- 2014-03-17 EP EP14763928.0A patent/EP2969124B1/fr active Active
- 2014-03-17 EA EA201591469A patent/EA035630B1/ru unknown
- 2014-03-17 GE GEAP201413954A patent/GEP20186896B/en unknown
- 2014-03-17 CN CN201480028524.XA patent/CN105339070A/zh active Pending
- 2014-03-17 UA UAA201508762A patent/UA118100C2/uk unknown
- 2014-03-17 ES ES14763928.0T patent/ES2691844T3/es active Active
-
2017
- 2017-09-08 JP JP2017173159A patent/JP6595547B2/ja not_active Expired - Fee Related
-
2018
- 2018-11-15 JP JP2018214721A patent/JP6952020B2/ja active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115869580A (zh) * | 2022-11-29 | 2023-03-31 | 贵州大学 | 一种汞尾矿固化剂及其使用方法 |
CN115869580B (zh) * | 2022-11-29 | 2024-03-01 | 贵州大学 | 一种汞尾矿固化剂及其使用方法 |
Also Published As
Publication number | Publication date |
---|---|
AU2014232958B2 (en) | 2018-01-04 |
JP6595547B2 (ja) | 2019-10-23 |
ES2691844T3 (es) | 2018-11-28 |
PT2969124T (pt) | 2018-11-16 |
EP2969124A1 (fr) | 2016-01-20 |
US20140299028A1 (en) | 2014-10-09 |
GEP20186896B (en) | 2018-09-25 |
UA118100C2 (uk) | 2018-11-26 |
CN105339070A (zh) | 2016-02-17 |
JP2018009785A (ja) | 2018-01-18 |
JP2019048999A (ja) | 2019-03-28 |
JP6952020B2 (ja) | 2021-10-20 |
JP6522581B2 (ja) | 2019-05-29 |
JP2016523985A (ja) | 2016-08-12 |
EA201591469A1 (ru) | 2016-01-29 |
WO2014145473A1 (fr) | 2014-09-18 |
EA035630B1 (ru) | 2020-07-17 |
AU2014232958A1 (en) | 2015-09-17 |
EP2969124A4 (fr) | 2017-05-10 |
EP2969124B1 (fr) | 2018-08-01 |
EP3450525A1 (fr) | 2019-03-06 |
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CA2947877C (fr) | Reduction des emissions de mercure resultant de la combustion de charbon | |
AU2012202115B2 (en) | Reducing mercury emissions from the burning of coal |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Discontinued |
Effective date: 20190314 |