DE2227176A1 - Verfahren zum Reinigen von quecksilberhaltigen Gasen - Google Patents
Verfahren zum Reinigen von quecksilberhaltigen GasenInfo
- Publication number
- DE2227176A1 DE2227176A1 DE19722227176 DE2227176A DE2227176A1 DE 2227176 A1 DE2227176 A1 DE 2227176A1 DE 19722227176 DE19722227176 DE 19722227176 DE 2227176 A DE2227176 A DE 2227176A DE 2227176 A1 DE2227176 A1 DE 2227176A1
- Authority
- DE
- Germany
- Prior art keywords
- mercury
- cleaning material
- gas
- gases
- cleaning
- 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
- 239000007789 gas Substances 0.000 title claims description 61
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title claims description 48
- 229910052753 mercury Inorganic materials 0.000 title claims description 39
- 238000000034 method Methods 0.000 title claims description 28
- 239000011538 cleaning material Substances 0.000 claims description 44
- 238000004140 cleaning Methods 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 9
- 229910052711 selenium Inorganic materials 0.000 claims description 9
- 239000011669 selenium Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004480 active ingredient Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 229940065287 selenium compound Drugs 0.000 claims description 4
- 150000003343 selenium compounds Chemical class 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- VIDTVPHHDGRGAF-UHFFFAOYSA-N selenium sulfide Chemical compound [Se]=S VIDTVPHHDGRGAF-UHFFFAOYSA-N 0.000 claims description 3
- 229960005265 selenium sulfide Drugs 0.000 claims description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 claims 1
- 229910010293 ceramic material Inorganic materials 0.000 claims 1
- 238000001311 chemical methods and process Methods 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 18
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 18
- 239000000126 substance Substances 0.000 description 9
- 150000002731 mercury compounds Chemical class 0.000 description 8
- JPJALAQPGMAKDF-UHFFFAOYSA-N selenium dioxide Chemical compound O=[Se]=O JPJALAQPGMAKDF-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000003513 alkali Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000012876 carrier material Substances 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000012717 electrostatic precipitator Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 150000004763 sulfides Chemical class 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- PFUOQUQHZSWJFD-UHFFFAOYSA-N boron mercury Chemical compound [B].[Hg] PFUOQUQHZSWJFD-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 125000003748 selenium group Chemical group *[Se]* 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000012719 wet electrostatic precipitator Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/64—Heavy metals or compounds thereof, e.g. mercury
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/56—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Treating Waste Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7107237A NL7107237A (enExample) | 1970-08-18 | 1971-06-04 | |
| SE723771A SE360988B (enExample) | 1971-06-04 | 1971-06-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2227176A1 true DE2227176A1 (de) | 1972-12-14 |
Family
ID=26644662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722227176 Pending DE2227176A1 (de) | 1971-06-04 | 1972-06-03 | Verfahren zum Reinigen von quecksilberhaltigen Gasen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3786619A (enExample) |
| AU (1) | AU463684B2 (enExample) |
| CA (1) | CA982497A (enExample) |
| DE (1) | DE2227176A1 (enExample) |
| FR (1) | FR2140238B1 (enExample) |
| GB (1) | GB1389109A (enExample) |
Families Citing this family (58)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5323777B2 (enExample) * | 1972-12-04 | 1978-07-17 | ||
| US3855387A (en) * | 1973-09-05 | 1974-12-17 | St Joe Minerals Corp | Method for removing mercury from industrial gases |
| FR2250561B1 (enExample) * | 1973-11-09 | 1981-05-29 | Nippon Mining Co Ltd | |
| US4044098A (en) * | 1976-05-18 | 1977-08-23 | Phillips Petroleum Company | Removal of mercury from gas streams using hydrogen sulfide and amines |
| US4206183A (en) * | 1976-12-09 | 1980-06-03 | Dowa Mining Co., Ltd. | Method of removing mercury-containing contaminations in gases |
| SE415448B (sv) * | 1979-01-10 | 1980-10-06 | Svenska Flaektfabriken Ab | Forfarande for rening av gaser innehallande gasformigt kvicksilver |
| AU559284B2 (en) * | 1982-07-08 | 1987-03-05 | Takeda Chemical Industries Ltd. | Adsorption of mercury vapour |
| US4709118A (en) * | 1986-09-24 | 1987-11-24 | Mobil Oil Corporation | Removal of mercury from natural gas and liquid hydrocarbons utilizing downstream guard chabmer |
| US4717399A (en) * | 1986-12-22 | 1988-01-05 | Mobil Oil Corporation | Process for adsorbing mercury from natural gas |
| US4892567A (en) * | 1988-08-15 | 1990-01-09 | Mobil Oil Corporation | Simultaneous removal of mercury and water from fluids |
| SE501043C2 (sv) * | 1990-12-14 | 1994-10-24 | Sr Scandinavian Recycling Ab | Sätt för kemisk destruktion av tungmetaller i riskavfall |
| SE501089C2 (sv) * | 1991-01-28 | 1994-11-14 | Boliden Contech Ab | Sätt vid deponering av kvicksilverkontaminerat material |
| SE469681B (sv) * | 1991-02-07 | 1993-08-23 | Boliden Contech Ab | Saett att minska risker foer kvicksilverskador i samband med tandbehandling |
| WO1997002866A1 (en) * | 1995-07-07 | 1997-01-30 | Platen M Von | A method for decontaminating biotopes from mercury and/or other heavy metals |
| AU3763797A (en) * | 1996-08-14 | 1998-03-06 | Noranda Inc. | Process for the removal of mercury from smelter gases |
| US6638347B2 (en) * | 1999-09-29 | 2003-10-28 | Merck & Co., Inc. | Carbon-based adsorption powder containing cupric chloride |
| US6524371B2 (en) * | 1999-09-29 | 2003-02-25 | Merck & Co., Inc. | Process for adsorption of mercury from gaseous streams |
| US6589318B2 (en) | 1999-09-29 | 2003-07-08 | Merck & Co., Inc. | Adsorption powder for removing mercury from high temperature, high moisture gas streams |
| US6533842B1 (en) | 2000-02-24 | 2003-03-18 | Merck & Co., Inc. | Adsorption powder for removing mercury from high temperature, high moisture gas streams |
| US6582497B1 (en) | 2000-06-09 | 2003-06-24 | Merck & Co., Inc. | Adsorption power for removing mercury from high temperature high moisture gas streams |
| FI117617B (fi) | 2000-12-08 | 2006-12-29 | Outokumpu Oy | Menetelmä elohopean poistamiseksi kaasusta |
| US6558642B2 (en) * | 2001-03-29 | 2003-05-06 | Merck & Co., Inc. | Method of adsorbing metals and organic compounds from vaporous streams |
| SE522319C2 (sv) * | 2001-11-28 | 2004-02-03 | Boliden Contech Ab | Förfarande för eliminering av spår av kvicksilver i gaser |
| DE10302978A1 (de) * | 2003-01-25 | 2004-08-05 | Donau Carbon Gmbh & Co. Kg | Sorptionsmittel und Verfahren zur Entfernung von Schwermetallen aus einem schwermetallhaltigen Gas |
| US7435286B2 (en) | 2004-08-30 | 2008-10-14 | Energy & Environmental Research Center Foundation | Sorbents for the oxidation and removal of mercury |
| US10828596B2 (en) | 2003-04-23 | 2020-11-10 | Midwest Energy Emissions Corp. | Promoted ammonium salt-protected activated carbon sorbent particles for removal of mercury from gas streams |
| US8652235B2 (en) * | 2004-08-30 | 2014-02-18 | Energy & Environmental Research Center Foundation | Sorbents for the oxidation and removal of mercury |
| US11179673B2 (en) | 2003-04-23 | 2021-11-23 | Midwwest Energy Emission Corp. | Sorbents for the oxidation and removal of mercury |
| US7033419B1 (en) * | 2003-09-16 | 2006-04-25 | The United States Of America As Represented By The United States Department Of Energy | Method for high temperature mercury capture from gas streams |
| SE527942C2 (sv) * | 2003-12-17 | 2006-07-18 | Boliden Contech Ab | Förfarande för återvinning av uttjänt selenfiltermassa |
| US20050207955A1 (en) * | 2004-03-17 | 2005-09-22 | Bo Wang | Mercury adsorbent composition, process of making same and method of separating mercury from fluids |
| US10343114B2 (en) | 2004-08-30 | 2019-07-09 | Midwest Energy Emissions Corp | Sorbents for the oxidation and removal of mercury |
| US8105423B2 (en) * | 2006-12-14 | 2012-01-31 | Hal Alper | Process and system for separating finely aerosolized elemental mercury from gaseous streams |
| WO2011046581A1 (en) | 2009-08-28 | 2011-04-21 | Hal Alper | Method and system for analyzing concentrations of diverse mercury species present in a fluid medium |
| US9504946B2 (en) | 2006-12-14 | 2016-11-29 | Mycelx Technologies Corporation | Process and system for separating finely aerosolized elemental mercury from gaseous streams |
| JP2008190950A (ja) * | 2007-02-02 | 2008-08-21 | Horiba Ltd | 試料中の酸化セレン除去方法と除去装置、およびこれを用いた石炭燃焼排気ガス中の水銀測定方法および測定装置 |
| WO2009108220A1 (en) * | 2008-02-28 | 2009-09-03 | Brown University | Nanostructured sorbent materials for capturing environmental mercury vapor |
| US7906027B2 (en) * | 2008-09-26 | 2011-03-15 | Conocophillips Company | Mercury removal process |
| US20110049045A1 (en) * | 2008-10-07 | 2011-03-03 | Brown University | Nanostructured sorbent materials for capturing environmental mercury vapor |
| US20120018384A1 (en) * | 2010-02-01 | 2012-01-26 | John Sawyer | Mercury removal from water |
| US8496894B2 (en) | 2010-02-04 | 2013-07-30 | ADA-ES, Inc. | Method and system for controlling mercury emissions from coal-fired thermal processes |
| US8951487B2 (en) | 2010-10-25 | 2015-02-10 | ADA-ES, Inc. | Hot-side method and system |
| US11298657B2 (en) | 2010-10-25 | 2022-04-12 | ADA-ES, Inc. | Hot-side method and system |
| AU2011264921B2 (en) * | 2010-06-08 | 2014-04-03 | Phillips 66 Company | Heavy metal removal methods and systems using porous supports impregnated with selenium |
| US8845986B2 (en) | 2011-05-13 | 2014-09-30 | ADA-ES, Inc. | Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers |
| CN102849675B (zh) * | 2011-06-28 | 2015-08-12 | 国家纳米科学中心 | 纳米复合材料及其制备方法和水处理的制剂、方法及装置 |
| US8883099B2 (en) | 2012-04-11 | 2014-11-11 | ADA-ES, Inc. | Control of wet scrubber oxidation inhibitor and byproduct recovery |
| US9011805B2 (en) | 2012-04-23 | 2015-04-21 | Energy & Environmental Research Center Foundation | Carbon nanocomposite sorbent and methods of using the same for separation of one or more materials from a gas stream |
| US9957454B2 (en) | 2012-08-10 | 2018-05-01 | ADA-ES, Inc. | Method and additive for controlling nitrogen oxide emissions |
| US10130930B2 (en) | 2013-03-06 | 2018-11-20 | Midwest Energy Emissions Corp | Sorbent comprising carbon and nitrogen and methods of using the same |
| WO2014137907A2 (en) | 2013-03-06 | 2014-09-12 | Energy & Environmental Research Center Foundation | Activated carbon sorbent including nitrogen and methods of using the same |
| FI126178B (en) | 2014-01-28 | 2016-07-29 | Outotec Finland Oy | METHOD FOR ELIMINATING THE GASEOUS ELEMENTAL MERCURY FROM THE GAS FLOW |
| CA3035525A1 (en) | 2016-09-02 | 2018-03-08 | Regents Of The University Of Minnesota | Systems and methods for body-proximate recoverable capture of mercury vapor during cremation |
| CN110508266B (zh) * | 2018-05-21 | 2023-11-07 | 中国华电科工集团有限公司 | 一种汞收集装置 |
| CN109603410A (zh) * | 2019-02-11 | 2019-04-12 | 中南大学 | 一种高效脱除烟气中单质汞的方法 |
| CN115715973A (zh) * | 2019-05-31 | 2023-02-28 | 贵州重力科技环保有限公司 | 一种原位级纳米硒炭基脱汞吸附材料及其制备方法和应用 |
| CN115430400A (zh) * | 2019-05-31 | 2022-12-06 | 贵州重力科技环保有限公司 | 一种原位纳米级硒非炭基脱汞吸附材料及其制备方法和应用 |
| PL238448B1 (pl) * | 2019-07-15 | 2021-08-23 | Politechnika Krakowska Im Tadeusza Kosciuszki | Sposób zagospodarowania zużytych sorbentów selenowych |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3194629A (en) * | 1962-02-23 | 1965-07-13 | Pittsburgh Activated Carbon Co | Method of removing mercury vapor from gases |
| US3193987A (en) * | 1962-02-23 | 1965-07-13 | Pittsburgh Activated Carbon Co | Mercury vapor removal |
| US3257776A (en) * | 1963-01-28 | 1966-06-28 | Allied Chem | Process for reducing the concentration of mercury in hydrogen gas |
-
1972
- 1972-06-01 US US00258626A patent/US3786619A/en not_active Expired - Lifetime
- 1972-06-02 CA CA143,720A patent/CA982497A/en not_active Expired
- 1972-06-03 DE DE19722227176 patent/DE2227176A1/de active Pending
- 1972-06-05 FR FR7220181A patent/FR2140238B1/fr not_active Expired
- 1972-06-05 GB GB2617672A patent/GB1389109A/en not_active Expired
- 1972-06-05 AU AU43067/72A patent/AU463684B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2140238A1 (enExample) | 1973-01-12 |
| CA982497A (en) | 1976-01-27 |
| FR2140238B1 (enExample) | 1977-12-23 |
| GB1389109A (en) | 1975-04-03 |
| US3786619A (en) | 1974-01-22 |
| AU4306772A (en) | 1973-12-13 |
| AU463684B2 (en) | 1975-07-11 |
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| Date | Code | Title | Description |
|---|---|---|---|
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