DE2650407A1 - Abscheidung von schwefelwasserstoff und mercaptanen aus gasen - Google Patents
Abscheidung von schwefelwasserstoff und mercaptanen aus gasenInfo
- Publication number
- DE2650407A1 DE2650407A1 DE19762650407 DE2650407A DE2650407A1 DE 2650407 A1 DE2650407 A1 DE 2650407A1 DE 19762650407 DE19762650407 DE 19762650407 DE 2650407 A DE2650407 A DE 2650407A DE 2650407 A1 DE2650407 A1 DE 2650407A1
- Authority
- DE
- Germany
- Prior art keywords
- sulfur
- density
- solution
- chelate
- extractant
- 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
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims description 26
- 239000011593 sulfur Substances 0.000 title claims description 25
- 229910052717 sulfur Inorganic materials 0.000 title claims description 25
- 239000007789 gas Substances 0.000 title claims description 20
- 238000000926 separation method Methods 0.000 title claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 title description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical class [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title 1
- 239000001257 hydrogen Substances 0.000 title 1
- 239000013522 chelant Substances 0.000 claims description 36
- 239000000243 solution Substances 0.000 claims description 36
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 26
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 13
- -1 alkyl mercaptans Chemical class 0.000 claims description 8
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 claims description 6
- 150000002019 disulfides Chemical class 0.000 claims description 6
- 229950011008 tetrachloroethylene Drugs 0.000 claims description 6
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 claims description 4
- RWNKSTSCBHKHTB-UHFFFAOYSA-N Hexachloro-1,3-butadiene Chemical compound ClC(Cl)=C(Cl)C(Cl)=C(Cl)Cl RWNKSTSCBHKHTB-UHFFFAOYSA-N 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- CFXQEHVMCRXUSD-UHFFFAOYSA-N 1,2,3-Trichloropropane Chemical compound ClCC(Cl)CCl CFXQEHVMCRXUSD-UHFFFAOYSA-N 0.000 claims description 3
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 3
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 3
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 claims description 3
- ZPQOPVIELGIULI-UHFFFAOYSA-N 1,3-dichlorobenzene Chemical compound ClC1=CC=CC(Cl)=C1 ZPQOPVIELGIULI-UHFFFAOYSA-N 0.000 claims description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 2
- 229910001882 dioxygen Inorganic materials 0.000 claims description 2
- GRSQYISVQKPZCW-UHFFFAOYSA-N 1,1,2-trichloropropane Chemical compound CC(Cl)C(Cl)Cl GRSQYISVQKPZCW-UHFFFAOYSA-N 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 239000007788 liquid Substances 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 239000007791 liquid phase Substances 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 4
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 4
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 3
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 235000015165 citric acid Nutrition 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000174 gluconic acid Substances 0.000 description 2
- 235000012208 gluconic acid Nutrition 0.000 description 2
- 239000011133 lead Substances 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 238000005201 scrubbing Methods 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000011975 tartaric acid Substances 0.000 description 2
- 235000002906 tartaric acid Nutrition 0.000 description 2
- 239000011135 tin Substances 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- XALJLKNTPLIEGK-UHFFFAOYSA-L dioxido-oxo-sulfanylidene-$l^{6}-sulfane;iron(2+) Chemical compound [Fe+2].[O-]S([O-])(=O)=S XALJLKNTPLIEGK-UHFFFAOYSA-L 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000000622 liquid--liquid extraction Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 150000003464 sulfur compounds Chemical class 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
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
-
- 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
- B01D53/485—Sulfur compounds containing only one sulfur compound other than sulfur oxides or hydrogen sulfide
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7533775A FR2330437A1 (fr) | 1975-11-05 | 1975-11-05 | Procede et appareillage pour l'elimination de l'hydrogene sulfure et des mercaptans des courants gazeux |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2650407A1 true DE2650407A1 (de) | 1977-05-12 |
Family
ID=9162048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762650407 Pending DE2650407A1 (de) | 1975-11-05 | 1976-11-03 | Abscheidung von schwefelwasserstoff und mercaptanen aus gasen |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5286969A (enExample) |
| AU (1) | AU1928376A (enExample) |
| BE (1) | BE847936A (enExample) |
| BR (1) | BR7607350A (enExample) |
| DD (1) | DD127246A5 (enExample) |
| DE (1) | DE2650407A1 (enExample) |
| FR (1) | FR2330437A1 (enExample) |
| LU (1) | LU76130A1 (enExample) |
| NL (1) | NL7612252A (enExample) |
| RO (1) | RO70450A (enExample) |
| SE (1) | SE7612221L (enExample) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0037944A3 (en) * | 1980-04-03 | 1981-11-11 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Method and agent for the adsorption and catalytic decomposition of stinking gases of intestines |
| EP0045735A3 (de) * | 1980-07-31 | 1982-06-30 | Andritz Ruthner Industrieanlagen Aktiengesellschaft | Flüssig-Flüssig-Extraktion von wässerigen ionenhältigen Flüssigkeiten |
| AT379759B (de) * | 1984-04-05 | 1986-02-25 | Kimura Kakoki Co Ltd | Verfahren zur entfernung von schwefelwasserstoff aus gasen |
| EP0146259A3 (en) * | 1983-11-16 | 1987-10-07 | Mobil Oil Corporation | A method for removing hydrogen sulfide from a hydrogen sulfide-contaminated gas stream |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2437863A1 (fr) * | 1978-10-06 | 1980-04-30 | Rhone Poulenc Ind | Procede et appareillage pour l'elimination de l'hydrogene sulfure des courants gazeux |
-
1975
- 1975-11-05 FR FR7533775A patent/FR2330437A1/fr not_active Withdrawn
-
1976
- 1976-11-02 RO RO7688292A patent/RO70450A/ro unknown
- 1976-11-03 BE BE172040A patent/BE847936A/xx unknown
- 1976-11-03 DE DE19762650407 patent/DE2650407A1/de active Pending
- 1976-11-03 AU AU19283/76A patent/AU1928376A/en not_active Expired
- 1976-11-03 SE SE7612221A patent/SE7612221L/xx unknown
- 1976-11-03 BR BR7607350A patent/BR7607350A/pt unknown
- 1976-11-04 JP JP13271276A patent/JPS5286969A/ja active Pending
- 1976-11-04 DD DD195608A patent/DD127246A5/xx unknown
- 1976-11-04 NL NL7612252A patent/NL7612252A/xx unknown
- 1976-11-04 LU LU76130A patent/LU76130A1/xx unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0037944A3 (en) * | 1980-04-03 | 1981-11-11 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Method and agent for the adsorption and catalytic decomposition of stinking gases of intestines |
| EP0045735A3 (de) * | 1980-07-31 | 1982-06-30 | Andritz Ruthner Industrieanlagen Aktiengesellschaft | Flüssig-Flüssig-Extraktion von wässerigen ionenhältigen Flüssigkeiten |
| EP0146259A3 (en) * | 1983-11-16 | 1987-10-07 | Mobil Oil Corporation | A method for removing hydrogen sulfide from a hydrogen sulfide-contaminated gas stream |
| AT379759B (de) * | 1984-04-05 | 1986-02-25 | Kimura Kakoki Co Ltd | Verfahren zur entfernung von schwefelwasserstoff aus gasen |
Also Published As
| Publication number | Publication date |
|---|---|
| BR7607350A (pt) | 1977-09-20 |
| LU76130A1 (enExample) | 1977-06-02 |
| NL7612252A (nl) | 1977-05-09 |
| RO70450A (ro) | 1980-12-30 |
| AU1928376A (en) | 1978-05-11 |
| SE7612221L (sv) | 1977-05-06 |
| FR2330437A1 (fr) | 1977-06-03 |
| JPS5286969A (en) | 1977-07-20 |
| DD127246A5 (enExample) | 1977-09-14 |
| BE847936A (fr) | 1977-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2641230C2 (de) | Verfahren zur Abscheidung und Gewinnung von Quecksilber aus Gasen | |
| DE2459897A1 (de) | Verfahren zur entschwefelung von schwefelwasserstoffhaltigen gasen | |
| DE3836731A1 (de) | Verfahren zur abtrennung von stoerelementen aus wertmetall-elektrolytloesungen | |
| DE10144890A1 (de) | Verfahren zur Entschwefelung von Sauergasen mittels oxidationsunempfindlicher, aminocarboxylhaltiger Katalysatoren | |
| DE1592324A1 (de) | Verfahren zur Reinigung eines hauptsaechlich aus Ammoniak bestehenden Gases | |
| DE2650407A1 (de) | Abscheidung von schwefelwasserstoff und mercaptanen aus gasen | |
| DE69415633T2 (de) | Verfahren zur Herstellung von hoch-reinen Cobalt-Zwischenprodukten | |
| DE2823972A1 (de) | Verfahren und vorrichtung zur abtrennung von stickstofftrichlorid aus chlor | |
| DE1667768A1 (de) | Verfahren zur Herstellung von Schwefel | |
| EP0094630B2 (de) | Verfahren zum Entfernen von Cadmium aus durch Aufschluss von Rohphosphaten mit Schwefelsäure erhaltener Rohphosphorsäure | |
| DE3425582C2 (de) | Verfahren zur Verbesserung der Ausbeute von Natriumcarbonat | |
| EP0607123B1 (de) | Verfahren zur solventextraktion von palladium aus wässrigen lösungen | |
| DE3147549C2 (de) | Verfahren zur Entfernung von Quecksilber aus sauren industriellen Abwässern | |
| DE3515709C1 (de) | Verfahren zum Reinigen von fluessigem Schwefel | |
| DE2603874B2 (de) | Verfahren zur entfernung von arsen aus einer arsen zusammen mit kupfer enthaltenden loesung | |
| DE620932C (de) | Verfahren zur Entfernung schwacher gasfoermiger Saeuren aus Gasen | |
| DE1792666B1 (de) | Verfahren zum Entfernen von abgelagertem elementarem Schwefel auf festen Oxydationskatalysatoren | |
| DE2651901C3 (de) | Verfahren zur Herabsetzung des Monochloracetylengehaltes von Roh-1, 1-Dichloräthylen | |
| EP0256504B1 (de) | Verfahren zur Extraktion von Nitro-hydroxy-aromaten aus wässrigen Lösungen | |
| CH643216A5 (de) | Verfahren zur rueckgewinnung von brom aus abfallfluessigkeit. | |
| DE3688372T2 (de) | Entfernung von schwefelwasserstoff. | |
| DE4042210A1 (de) | Verfahren zur beseitigung von arsenik und anderen metallen aus abwaessern von industrieanlagen durch behandlung mit sulphydrit unter druck und anlage zur durchfuehrung des verfahrens | |
| DE4216798A1 (de) | Verfahren zur Aufarbeitung von vanadiumhaltigen Rückständen | |
| DE3622597A1 (de) | Verfahren zur faellung und abtrennung von cadmiumsulfid aus den raffinaten der phosphorsaeurereinigung | |
| DE2057173C3 (de) | Verfahren zur Reinigung eines als Lösungsmittel zur Lösungsmittelextraktion von Metallen verwendeten, durch Verbindungen des Kupfers, Nickels und/ oder Kobalts verunreinigten organischen Amins |