CN1036977C - 废气的脱硫方法 - Google Patents
废气的脱硫方法 Download PDFInfo
- Publication number
- CN1036977C CN1036977C CN93108429A CN93108429A CN1036977C CN 1036977 C CN1036977 C CN 1036977C CN 93108429 A CN93108429 A CN 93108429A CN 93108429 A CN93108429 A CN 93108429A CN 1036977 C CN1036977 C CN 1036977C
- Authority
- CN
- China
- Prior art keywords
- hbr
- reactor
- hydrogen bromide
- liquid
- temperature
- 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 - Fee Related
Links
- 239000002912 waste gas Substances 0.000 title claims abstract description 12
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 claims abstract description 284
- 229910000042 hydrogen bromide Inorganic materials 0.000 claims abstract description 143
- 238000000034 method Methods 0.000 claims abstract description 41
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 24
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims abstract description 20
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052794 bromium Inorganic materials 0.000 claims abstract description 20
- 239000007864 aqueous solution Substances 0.000 claims abstract description 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims abstract 8
- 230000003197 catalytic effect Effects 0.000 claims description 39
- 238000007254 oxidation reaction Methods 0.000 claims description 30
- 230000003647 oxidation Effects 0.000 claims description 28
- 239000002253 acid Substances 0.000 claims description 24
- 239000000243 solution Substances 0.000 claims description 22
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 18
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical group [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 14
- 239000003054 catalyst Substances 0.000 claims description 14
- 239000012141 concentrate Substances 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- 238000009834 vaporization Methods 0.000 claims description 3
- 230000008016 vaporization Effects 0.000 claims description 3
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 claims description 2
- 229960004643 cupric oxide Drugs 0.000 claims description 2
- 229910000510 noble metal Inorganic materials 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 229910001935 vanadium oxide Inorganic materials 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 10
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 abstract description 2
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 2
- 239000004291 sulphur dioxide Substances 0.000 abstract 2
- 235000011149 sulphuric acid Nutrition 0.000 abstract 2
- 239000001117 sulphuric acid Substances 0.000 abstract 2
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 239000012808 vapor phase Substances 0.000 abstract 1
- 239000003546 flue gas Substances 0.000 description 53
- 239000007788 liquid Substances 0.000 description 50
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 49
- 239000007789 gas Substances 0.000 description 42
- 238000006243 chemical reaction Methods 0.000 description 40
- 239000000376 reactant Substances 0.000 description 38
- 239000012071 phase Substances 0.000 description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 29
- 229910001868 water Inorganic materials 0.000 description 29
- 239000007791 liquid phase Substances 0.000 description 17
- 238000001704 evaporation Methods 0.000 description 14
- 230000008020 evaporation Effects 0.000 description 13
- 238000002474 experimental method Methods 0.000 description 13
- 239000011521 glass Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 13
- 238000006477 desulfuration reaction Methods 0.000 description 11
- 230000023556 desulfurization Effects 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 9
- 239000012530 fluid Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000006096 absorbing agent Substances 0.000 description 6
- 230000008676 import Effects 0.000 description 6
- 239000006210 lotion Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000007600 charging Methods 0.000 description 4
- 238000005868 electrolysis reaction Methods 0.000 description 4
- 238000009533 lab test Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000011021 bench scale process Methods 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000005297 pyrex Substances 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000002572 peristaltic effect Effects 0.000 description 2
- 238000004094 preconcentration Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 244000287680 Garcinia dulcis Species 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005893 bromination reaction Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010763 heavy fuel oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920001290 polyvinyl ester Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8659—Removing halogens or halogen compounds
-
- 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
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/507—Sulfur oxides by treating the gases with other liquids
-
- 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
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
-
- 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
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
- C01B17/76—Preparation by contact processes
- C01B17/775—Liquid phase contacting processes or wet catalysis processes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/09—Bromine; Hydrogen bromide
- C01B7/093—Hydrogen bromide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/09—Bromine; Hydrogen bromide
- C01B7/096—Bromine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/50—Inorganic acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/50—Inorganic acids
- B01D2251/506—Sulfuric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Treating Waste Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Gas Separation By Absorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBNO.9214851.9 | 1992-07-13 | ||
| GB929214851A GB9214851D0 (en) | 1992-07-13 | 1992-07-13 | Communities desulphurisation of waste gases |
| GB9214851.9 | 1992-07-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1084427A CN1084427A (zh) | 1994-03-30 |
| CN1036977C true CN1036977C (zh) | 1998-01-14 |
Family
ID=10718620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93108429A Expired - Fee Related CN1036977C (zh) | 1992-07-13 | 1993-07-13 | 废气的脱硫方法 |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US5674464A (cg-RX-API-DMAC7.html) |
| EP (1) | EP0649337B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JPH07509649A (cg-RX-API-DMAC7.html) |
| CN (1) | CN1036977C (cg-RX-API-DMAC7.html) |
| AT (1) | ATE142124T1 (cg-RX-API-DMAC7.html) |
| AU (1) | AU666754B2 (cg-RX-API-DMAC7.html) |
| BR (1) | BR9306736A (cg-RX-API-DMAC7.html) |
| CA (1) | CA2140128A1 (cg-RX-API-DMAC7.html) |
| CZ (1) | CZ283750B6 (cg-RX-API-DMAC7.html) |
| DE (1) | DE69304541T2 (cg-RX-API-DMAC7.html) |
| DK (1) | DK0649337T3 (cg-RX-API-DMAC7.html) |
| ES (1) | ES2092319T3 (cg-RX-API-DMAC7.html) |
| GB (1) | GB9214851D0 (cg-RX-API-DMAC7.html) |
| GR (1) | GR3020950T3 (cg-RX-API-DMAC7.html) |
| HU (1) | HU213981B (cg-RX-API-DMAC7.html) |
| PL (1) | PL172804B1 (cg-RX-API-DMAC7.html) |
| RU (1) | RU2104081C1 (cg-RX-API-DMAC7.html) |
| SK (1) | SK280897B6 (cg-RX-API-DMAC7.html) |
| WO (1) | WO1994001205A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0870073B1 (en) * | 1995-11-30 | 2002-02-13 | Sandvik Aktiebolag | Coated cutting insert and method of making it |
| DE69619275T2 (de) | 1995-11-30 | 2004-06-24 | Sandvik Ab | Beschichteter drehbarer einsatz und verfahren zu dessen herstellung |
| SE9504304D0 (sv) | 1995-11-30 | 1995-11-30 | Sandvik Ab | Coated milling insert |
| JP2006526882A (ja) * | 2003-06-05 | 2006-11-24 | ソーラー リアクター テクノロジーズ，インコーポレイテッド | 排煙放出を処理するための方法 |
| US20080275284A1 (en) | 2004-04-16 | 2008-11-06 | Marathon Oil Company | Process for converting gaseous alkanes to liquid hydrocarbons |
| US8642822B2 (en) | 2004-04-16 | 2014-02-04 | Marathon Gtf Technology, Ltd. | Processes for converting gaseous alkanes to liquid hydrocarbons using microchannel reactor |
| JP2007000760A (ja) * | 2005-06-23 | 2007-01-11 | Nippon Steel Corp | 水素副生脱硫方法 |
| JP2007000759A (ja) * | 2005-06-23 | 2007-01-11 | Nippon Steel Corp | 硫黄酸化物を含むガスの脱硫方法および脱硫装置 |
| EP2117999A1 (en) * | 2007-02-28 | 2009-11-18 | Albemarle Corporation | Processes for oxidizing hydrogen bromide to produce elemental bromine |
| WO2009012338A1 (en) * | 2007-07-16 | 2009-01-22 | Srt Group, Inc. | Waste treatment and energy production utilizing halogenation processes |
| US8282810B2 (en) | 2008-06-13 | 2012-10-09 | Marathon Gtf Technology, Ltd. | Bromine-based method and system for converting gaseous alkanes to liquid hydrocarbons using electrolysis for bromine recovery |
| WO2010014950A1 (en) | 2008-07-31 | 2010-02-04 | University Of Louisville Rasearch Foundation, Inc. | Large volume analyte preconcentrator |
| US20110015458A1 (en) * | 2009-07-15 | 2011-01-20 | Marathon Gtf Technology, Ltd. | Conversion of hydrogen bromide to elemental bromine |
| US8569691B2 (en) | 2009-11-24 | 2013-10-29 | University Of Louisville Research Foundation | Preconcentrator for analysis instruments |
| US8367884B2 (en) | 2010-03-02 | 2013-02-05 | Marathon Gtf Technology, Ltd. | Processes and systems for the staged synthesis of alkyl bromides |
| US8815050B2 (en) | 2011-03-22 | 2014-08-26 | Marathon Gtf Technology, Ltd. | Processes and systems for drying liquid bromine |
| US8436220B2 (en) | 2011-06-10 | 2013-05-07 | Marathon Gtf Technology, Ltd. | Processes and systems for demethanization of brominated hydrocarbons |
| US8829256B2 (en) | 2011-06-30 | 2014-09-09 | Gtc Technology Us, Llc | Processes and systems for fractionation of brominated hydrocarbons in the conversion of natural gas to liquid hydrocarbons |
| US8802908B2 (en) | 2011-10-21 | 2014-08-12 | Marathon Gtf Technology, Ltd. | Processes and systems for separate, parallel methane and higher alkanes' bromination |
| US9193641B2 (en) | 2011-12-16 | 2015-11-24 | Gtc Technology Us, Llc | Processes and systems for conversion of alkyl bromides to higher molecular weight hydrocarbons in circulating catalyst reactor-regenerator systems |
| UA124441C2 (uk) | 2020-03-04 | 2021-09-15 | Антон Ігорович Подольський | Спосіб отримання водню |
| CN112169573B (zh) * | 2020-11-26 | 2021-03-12 | 苏州仕净环保科技股份有限公司 | 一种烟气脱硫脱硝工艺 |
| CN116571071B (zh) * | 2023-06-29 | 2025-08-26 | 中铜东南铜业有限公司 | 一种铜冶炼烟气脱汞工艺 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1085441A (en) * | 1964-01-27 | 1967-10-04 | Geigy Ag J R | Process for the optical brightening of cotton fibres |
| GB2045218A (en) * | 1979-03-23 | 1980-10-29 | Euratom | Process for the removal of so2 from waste gases producing hydrogen and sulphuric acid |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2163877A (en) * | 1937-07-01 | 1939-06-27 | Dow Chemical Co | Process of making bromine |
| GB1088441A (en) * | 1964-02-13 | 1967-10-25 | Universal Oil Prod Co | Recovery of bromine |
| US3353916A (en) * | 1966-04-25 | 1967-11-21 | Universal Oil Prod Co | Quantitative recovery of bromine by two stage catalytic oxidation of hydrogen bromide |
| US3346340A (en) * | 1966-08-11 | 1967-10-10 | Universal Oil Prod Co | Production of bromine by oxidation of hydrogen bromide |
| US3760067A (en) * | 1968-06-18 | 1973-09-18 | Velsicol Chemical Corp | Process for the production of elemental halogen |
| US4537835A (en) * | 1977-02-18 | 1985-08-27 | Battelle Memorial Institute | Oxidation of hydrogen halides to elemental halogens |
| LU85454A1 (de) * | 1984-07-06 | 1985-09-12 | Euratom | Verfahren und vorrichtung zum entfernen von schwefeldioxid aus heissen abgasen |
| EP0179163A1 (de) * | 1984-10-23 | 1986-04-30 | Chemische Fabrik Kalk GmbH | Verfahren zur Herstellung von Brom durch katalytische Oxidation von Bromwasserstoff |
| US5266295A (en) * | 1989-04-27 | 1993-11-30 | Akzo American Inc. | Hydrogen peroxide oxidation of bromide to bromide |
-
1992
- 1992-07-13 GB GB929214851A patent/GB9214851D0/en active Pending
-
1993
- 1993-07-12 JP JP6502983A patent/JPH07509649A/ja active Pending
- 1993-07-12 PL PL93307130A patent/PL172804B1/pl not_active IP Right Cessation
- 1993-07-12 AT AT93915897T patent/ATE142124T1/de not_active IP Right Cessation
- 1993-07-12 WO PCT/EP1993/001835 patent/WO1994001205A1/en not_active Ceased
- 1993-07-12 DK DK93915897.8T patent/DK0649337T3/da active
- 1993-07-12 AU AU45681/93A patent/AU666754B2/en not_active Ceased
- 1993-07-12 CZ CZ9563A patent/CZ283750B6/cs not_active IP Right Cessation
- 1993-07-12 CA CA002140128A patent/CA2140128A1/en not_active Abandoned
- 1993-07-12 US US08/362,497 patent/US5674464A/en not_active Expired - Fee Related
- 1993-07-12 HU HU9500096A patent/HU213981B/hu not_active IP Right Cessation
- 1993-07-12 SK SK35-95A patent/SK280897B6/sk unknown
- 1993-07-12 DE DE69304541T patent/DE69304541T2/de not_active Expired - Fee Related
- 1993-07-12 ES ES93915897T patent/ES2092319T3/es not_active Expired - Lifetime
- 1993-07-12 BR BR9306736A patent/BR9306736A/pt not_active IP Right Cessation
- 1993-07-12 EP EP93915897A patent/EP0649337B1/en not_active Expired - Lifetime
- 1993-07-12 RU RU95105588/25A patent/RU2104081C1/ru not_active IP Right Cessation
- 1993-07-13 CN CN93108429A patent/CN1036977C/zh not_active Expired - Fee Related
-
1996
- 1996-09-05 GR GR960402223T patent/GR3020950T3/el unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1085441A (en) * | 1964-01-27 | 1967-10-04 | Geigy Ag J R | Process for the optical brightening of cotton fibres |
| GB2045218A (en) * | 1979-03-23 | 1980-10-29 | Euratom | Process for the removal of so2 from waste gases producing hydrogen and sulphuric acid |
Also Published As
| Publication number | Publication date |
|---|---|
| PL307130A1 (en) | 1995-05-02 |
| BR9306736A (pt) | 1998-12-08 |
| EP0649337B1 (en) | 1996-09-04 |
| AU4568193A (en) | 1994-01-31 |
| CZ283750B6 (cs) | 1998-06-17 |
| CZ6395A3 (en) | 1995-08-16 |
| SK280897B6 (sk) | 2000-09-12 |
| HU213981B (en) | 1997-11-28 |
| GB9214851D0 (en) | 1992-08-26 |
| DE69304541T2 (de) | 1997-01-23 |
| GR3020950T3 (en) | 1996-12-31 |
| CN1084427A (zh) | 1994-03-30 |
| ATE142124T1 (de) | 1996-09-15 |
| SK3595A3 (en) | 1996-03-06 |
| DK0649337T3 (cg-RX-API-DMAC7.html) | 1997-02-24 |
| AU666754B2 (en) | 1996-02-22 |
| HU9500096D0 (en) | 1995-03-28 |
| HUT70005A (en) | 1995-09-28 |
| ES2092319T3 (es) | 1996-11-16 |
| JPH07509649A (ja) | 1995-10-26 |
| RU2104081C1 (ru) | 1998-02-10 |
| DE69304541D1 (de) | 1996-10-10 |
| WO1994001205A1 (en) | 1994-01-20 |
| PL172804B1 (pl) | 1997-11-28 |
| EP0649337A1 (en) | 1995-04-26 |
| RU95105588A (ru) | 1997-04-27 |
| CA2140128A1 (en) | 1994-01-20 |
| US5674464A (en) | 1997-10-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1036977C (zh) | 废气的脱硫方法 | |
| JP4773641B2 (ja) | メタノールの製造方法 | |
| CN1020450C (zh) | 制备甲醛及其衍生物的方法 | |
| CN108159842B (zh) | 一种降低甲烷氯化物装置产生的尾气中voc含量的方法 | |
| CN104548902B (zh) | 乙炔气净化装置及其工艺 | |
| CN101007751A (zh) | 一种从甘油制备二氯丙醇的方法 | |
| TWI453061B (zh) | 回流冷凝器 | |
| CN1015536B (zh) | 从含硫气体中回收硫的方法 | |
| CN1135214C (zh) | 芳香羧酸的制备方法 | |
| CN213707743U (zh) | 一种基于熔盐循环利用的提纯系统 | |
| CN105294414A (zh) | 甲醛生产系统 | |
| CN1050583C (zh) | 生产2－羟基－4－(甲硫基)丁酸的方法和制备硫酸的方法 | |
| CN111994869B (zh) | 一种燃煤电厂热化学水分解制氢耦合臭氧脱硝装置及方法 | |
| CN1014243B (zh) | 环氧乙烷精制方法 | |
| CN1944374A (zh) | 改进的醋酸提纯方法 | |
| CN1774287A (zh) | 补救方法与装置 | |
| CN1746154A (zh) | 用于尿素/三聚氰胺生产的综合工艺及其相关设备 | |
| CN1214358A (zh) | 煤气净化方法及煤气净化装置 | |
| CN1098918C (zh) | 气体精制方法及气体精制设备 | |
| CN110790668B (zh) | 一种基于生物柴油制备脂肪酸丁酯的连续化生产方法 | |
| CN101544550B (zh) | 甲醛吸收塔除醇技术 | |
| CN208727126U (zh) | 一种醇醚类及芳烃溶剂有机废气治理系统 | |
| CN222585590U (zh) | 二氯乙烷提纯装置及聚氯乙烯生产系统 | |
| CN117756839B (zh) | 一种含硫硅烷的清洁生产工艺 | |
| CN1697799A (zh) | 收集(甲基)丙烯醛或(甲基)丙烯酸的方法及其收集设备 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |