CA1045786A - Methode de traitement des ecoulements de gaz a teneur de cyanure d'hydrogene - Google Patents

Methode de traitement des ecoulements de gaz a teneur de cyanure d'hydrogene

Info

Publication number: CA1045786A
Authority: CA; Canada
Prior art keywords: hydrogen; cyanide; gas stream; hydrogen sulfide; ammonia
Prior art date: 1974-04-18
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

Application number

CA212,344A

Other languages

English (en)

Other versions

CA212344S (en

Inventor

David K. Beavon

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Parsons Government Services Inc

Original Assignee

Ralph M Parsons Co

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.)

1974-04-18

Filing date

1974-10-25

Publication date

1979-01-09

1974-10-25 Application filed by Ralph M Parsons Co filed Critical Ralph M Parsons Co

1979-01-09 Application granted granted Critical

1979-01-09 Publication of CA1045786A publication Critical patent/CA1045786A/fr

Status Expired legal-status Critical Current

Links

LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 title claims abstract description 101
239000007789 gas Substances 0.000 title claims abstract description 74
238000000034 method Methods 0.000 title claims abstract description 33
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 99
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims abstract description 53
229910000037 hydrogen sulfide Inorganic materials 0.000 claims abstract description 52
229910021529 ammonia Inorganic materials 0.000 claims abstract description 45
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 27
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 24
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 24
229910052760 oxygen Inorganic materials 0.000 claims abstract description 24
239000001301 oxygen Substances 0.000 claims abstract description 24
239000011593 sulfur Substances 0.000 claims abstract description 23
238000002485 combustion reaction Methods 0.000 claims abstract description 20
SOIFLUNRINLCBN-UHFFFAOYSA-N ammonium thiocyanate Chemical compound [NH4+].[S-]C#N SOIFLUNRINLCBN-UHFFFAOYSA-N 0.000 claims abstract description 18
239000002699 waste material Substances 0.000 claims abstract description 18
239000003054 catalyst Substances 0.000 claims abstract description 17
239000000446 fuel Substances 0.000 claims abstract description 15
229910052757 nitrogen Inorganic materials 0.000 claims abstract description 12
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
239000000470 constituent Substances 0.000 claims abstract description 9
238000000926 separation method Methods 0.000 claims abstract 2
239000001257 hydrogen Substances 0.000 claims description 39
229910052739 hydrogen Inorganic materials 0.000 claims description 39
XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims description 20
229910052717 sulfur Inorganic materials 0.000 claims description 18
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 11
229910052751 metal Inorganic materials 0.000 claims description 10
239000002184 metal Substances 0.000 claims description 10
230000007062 hydrolysis Effects 0.000 claims description 7
238000006460 hydrolysis reaction Methods 0.000 claims description 7
230000000737 periodic effect Effects 0.000 claims description 7
239000002737 fuel gas Substances 0.000 claims description 6
150000002739 metals Chemical class 0.000 claims description 6
229910052761 rare earth metal Inorganic materials 0.000 claims description 6
150000002910 rare earth metals Chemical class 0.000 claims description 6
238000005984 hydrogenation reaction Methods 0.000 claims description 5
239000000203 mixture Substances 0.000 claims description 5
229920001021 polysulfide Polymers 0.000 claims description 5
239000005077 polysulfide Substances 0.000 claims description 5
150000008117 polysulfides Polymers 0.000 claims description 5
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
239000010941 cobalt Substances 0.000 claims description 4
229910017052 cobalt Inorganic materials 0.000 claims description 4
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
230000008030 elimination Effects 0.000 claims description 4
238000003379 elimination reaction Methods 0.000 claims description 4
229910052750 molybdenum Inorganic materials 0.000 claims description 4
239000011733 molybdenum Substances 0.000 claims description 4
229910017464 nitrogen compound Inorganic materials 0.000 claims description 4
150000002830 nitrogen compounds Chemical class 0.000 claims description 4
125000004435 hydrogen atom Chemical class [H]* 0.000 claims 2
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract description 19
239000007864 aqueous solution Substances 0.000 abstract description 7
TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 abstract description 5
230000003301 hydrolyzing effect Effects 0.000 abstract description 2
229940100603 hydrogen cyanide Drugs 0.000 description 38
239000000243 solution Substances 0.000 description 37
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 33
238000006243 chemical reaction Methods 0.000 description 19
HYWYRSMBCFDLJT-UHFFFAOYSA-N nimesulide Chemical compound CS(=O)(=O)NC1=CC=C([N+]([O-])=O)C=C1OC1=CC=CC=C1 HYWYRSMBCFDLJT-UHFFFAOYSA-N 0.000 description 9
229960000965 nimesulide Drugs 0.000 description 9
ZMZDMBWJUHKJPS-UHFFFAOYSA-N thiocyanic acid Chemical compound SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 description 9
150000002500 ions Chemical class 0.000 description 8
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 7
ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 7
239000000571 coke Substances 0.000 description 7
ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 7
230000009102 absorption Effects 0.000 description 6
238000010521 absorption reaction Methods 0.000 description 6
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
239000005864 Sulphur Substances 0.000 description 4
230000003197 catalytic effect Effects 0.000 description 4
238000006555 catalytic reaction Methods 0.000 description 4
150000001875 compounds Chemical class 0.000 description 4
150000002431 hydrogen Chemical class 0.000 description 4
239000000377 silicon dioxide Substances 0.000 description 4
238000009834 vaporization Methods 0.000 description 4
239000002351 wastewater Substances 0.000 description 4
238000000605 extraction Methods 0.000 description 3
239000007787 solid Substances 0.000 description 3
230000008016 vaporization Effects 0.000 description 3
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
241000196324 Embryophyta Species 0.000 description 2
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
101100238304 Mus musculus Morc1 gene Proteins 0.000 description 2
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
229910052776 Thorium Inorganic materials 0.000 description 2
239000006096 absorbing agent Substances 0.000 description 2
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
229910002091 carbon monoxide Inorganic materials 0.000 description 2
-1 coke oven gas Chemical compound 0.000 description 2
MCWXGJITAZMZEV-UHFFFAOYSA-N dimethoate Chemical compound CNC(=O)CSP(=S)(OC)OC MCWXGJITAZMZEV-UHFFFAOYSA-N 0.000 description 2
229910052742 iron Inorganic materials 0.000 description 2
239000007788 liquid Substances 0.000 description 2
229910000069 nitrogen hydride Inorganic materials 0.000 description 2
230000003647 oxidation Effects 0.000 description 2
238000007254 oxidation reaction Methods 0.000 description 2
BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
150000003464 sulfur compounds Chemical class 0.000 description 2
239000011269 tar Substances 0.000 description 2
231100000331 toxic Toxicity 0.000 description 2
230000002588 toxic effect Effects 0.000 description 2
ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
239000004254 Ammonium phosphate Substances 0.000 description 1
LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
WUPBHOGQSPUSRF-UHFFFAOYSA-N C=1(C(=CC=C2C(C3=CC=CC=C3C(C12)=O)=O)S(=O)(=O)O)S(=O)(=O)O.[Na] Chemical compound C=1(C(=CC=C2C(C3=CC=CC=C3C(C12)=O)=O)S(=O)(=O)O)S(=O)(=O)O.[Na] WUPBHOGQSPUSRF-UHFFFAOYSA-N 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
239000004215 Carbon black (E152) Substances 0.000 description 1
241000518994 Conta Species 0.000 description 1
244000182067 Fraxinus ornus Species 0.000 description 1
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
229910052770 Uranium Inorganic materials 0.000 description 1
238000003915 air pollution Methods 0.000 description 1
229910000147 aluminium phosphate Inorganic materials 0.000 description 1
229910000148 ammonium phosphate Inorganic materials 0.000 description 1
235000019289 ammonium phosphates Nutrition 0.000 description 1
BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
229910052921 ammonium sulfate Inorganic materials 0.000 description 1
235000011130 ammonium sulphate Nutrition 0.000 description 1
XYXNTHIYBIDHGM-UHFFFAOYSA-N ammonium thiosulfate Chemical compound [NH4+].[NH4+].[O-]S([O-])(=O)=S XYXNTHIYBIDHGM-UHFFFAOYSA-N 0.000 description 1
238000010936 aqueous wash Methods 0.000 description 1
125000004429 atom Chemical group 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
150000001896 cresols Chemical class 0.000 description 1
239000013078 crystal Substances 0.000 description 1
230000007812 deficiency Effects 0.000 description 1
MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
UZVGFAUPMODEBR-UHFFFAOYSA-L disodium;9,10-dioxoanthracene-1,2-disulfonate Chemical compound [Na+].[Na+].C1=CC=C2C(=O)C3=C(S([O-])(=O)=O)C(S(=O)(=O)[O-])=CC=C3C(=O)C2=C1 UZVGFAUPMODEBR-UHFFFAOYSA-L 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
239000003546 flue gas Substances 0.000 description 1
239000000295 fuel oil Substances 0.000 description 1
239000008246 gaseous mixture Substances 0.000 description 1
238000002309 gasification Methods 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
150000002430 hydrocarbons Chemical class 0.000 description 1
239000000852 hydrogen donor Substances 0.000 description 1
239000012535 impurity Substances 0.000 description 1
239000011630 iodine Substances 0.000 description 1
229910052740 iodine Inorganic materials 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
230000008018 melting Effects 0.000 description 1
238000002844 melting Methods 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
239000007800 oxidant agent Substances 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
150000002989 phenols Chemical class 0.000 description 1
229910000027 potassium carbonate Inorganic materials 0.000 description 1
229940093956 potassium carbonate Drugs 0.000 description 1
235000011181 potassium carbonates Nutrition 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
230000001172 regenerating effect Effects 0.000 description 1
239000004576 sand Substances 0.000 description 1
239000011734 sodium Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
229910000029 sodium carbonate Inorganic materials 0.000 description 1
XCVRTGQHVBWRJB-UHFFFAOYSA-M sodium dihydrogen arsenate Chemical compound [Na+].O[As](O)([O-])=O XCVRTGQHVBWRJB-UHFFFAOYSA-M 0.000 description 1
239000000264 sodium ferrocyanide Substances 0.000 description 1
235000012247 sodium ferrocyanide Nutrition 0.000 description 1
CMZUMMUJMWNLFH-UHFFFAOYSA-N sodium metavanadate Chemical compound [Na+].[O-][V](=O)=O CMZUMMUJMWNLFH-UHFFFAOYSA-N 0.000 description 1
239000004071 soot Substances 0.000 description 1
241000894007 species Species 0.000 description 1
238000005507 spraying Methods 0.000 description 1
239000000126 substance Substances 0.000 description 1
150000004763 sulfides Chemical class 0.000 description 1
150000003871 sulfonates Chemical class 0.000 description 1
125000000101 thioether group Chemical group 0.000 description 1
DNYWZCXLKNTFFI-UHFFFAOYSA-N uranium Chemical compound [U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U] DNYWZCXLKNTFFI-UHFFFAOYSA-N 0.000 description 1
229910052720 vanadium Inorganic materials 0.000 description 1
GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
239000002918 waste heat Substances 0.000 description 1
238000003911 water pollution Methods 0.000 description 1
229910000166 zirconium phosphate Inorganic materials 0.000 description 1

Classifications

- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

Industrial Gases (AREA)
Treatment Of Water By Oxidation Or Reduction (AREA)

CA212,344A 1974-04-18 1974-10-25 Methode de traitement des ecoulements de gaz a teneur de cyanure d'hydrogene Expired CA1045786A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US46189974A	1974-04-18	1974-04-18

Publications (1)

Publication Number	Publication Date
CA1045786A true CA1045786A (fr)	1979-01-09

Family

ID=23834396

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA212,344A Expired CA1045786A (fr)	1974-04-18	1974-10-25	Methode de traitement des ecoulements de gaz a teneur de cyanure d'hydrogene

Country Status (1)

Country	Link
CA (1)	CA1045786A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN118289778A (zh) *	2024-02-23	2024-07-05	山东宏旭化学股份有限公司	一种hcn装置停车大循环物料回收处理方法

1974
- 1974-10-25 CA CA212,344A patent/CA1045786A/fr not_active Expired

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN118289778A (zh) *	2024-02-23	2024-07-05	山东宏旭化学股份有限公司	一种hcn装置停车大循环物料回收处理方法

Publication	Publication Date	Title
US3752877A (en)	1973-08-14	Recovery of sulfur compounds from tail gases
CA1041737A (fr)	1978-11-07	Extraction du soufre dans la bioxyde de soufre
US4505881A (en)	1985-03-19	Ammonium polysulfide removal of HCN from gaseous streams, with subsequent production of NH3, H2 S, and CO2
RU2241527C2 (ru)	2004-12-10	Способ десульфуризации газов
US4097585A (en)	1978-06-27	Production of sulfur from Claus process waste gas
JP4847950B2 (ja)	2011-12-28	酸ガス流からの硫黄の高効率回収方法
US5965100A (en)	1999-10-12	Process for recovery of sulfur from an acid gas stream
GB2077249A (en)	1981-12-16	Removing carbon oxysulphide from gas streams
US7648692B2 (en)	2010-01-19	COS-Claus configurations and methods
US4579727A (en)	1986-04-01	Oxidative removal of hydrogen sulfide from gas streams
US8425874B2 (en)	2013-04-23	Process for the production of sulfur from sulfur dioxide with tail gas recycle
PH26404A (en)	1992-07-02	Removal of hydrogen sulfide from fluid streams with minimum production of solids
US3798308A (en)	1974-03-19	Method for treating coke oven gas
US4048293A (en)	1977-09-13	Process for purifying a sulfur dioxide containing gas
US3728439A (en)	1973-04-17	Treatment of a sulfite containing aqueous steam to selectively produce elemental sulfur
US4643888A (en)	1987-02-17	Process and apparatus for recovery of sulfur from ammonia containing acid gas streams
US4892717A (en)	1990-01-09	Gas treating process
CA1045786A (fr)	1979-01-09	Methode de traitement des ecoulements de gaz a teneur de cyanure d'hydrogene
CA1050732A (fr)	1979-03-20	Traitement des effluents gazeux contenant de l'acide cyanhydrique
EP3752457A1 (fr)	2020-12-23	Production d'engrais à partir de gaz d'enfouissement ou de gaz de digesteur
US5215728A (en)	1993-06-01	Method and apparatus for removal of h2s from a process gas, including thiosulfate and/or cyanide salt decomposition
SU856974A1 (ru)	1981-08-23	Способ получени элементарной серы
US3574097A (en)	1971-04-06	Treating a water stream containing a water-soluble sulfite compound
US4960575A (en)	1990-10-02	Removal of hydrogen sulfide with on site generated sulfite from geothermal steam
WO1994022563A1 (fr)	1994-10-13	Capture de metaux volatils contenus dans des courants gazeux

CA1045786A - Methode de traitement des ecoulements de gaz a teneur de cyanure d'hydrogene - Google Patents

Info

Links

Classifications

Landscapes

Applications Claiming Priority (1)

Publications (1)

Family

ID=23834396

Family Applications (1)

Country Status (1)

Cited By (1)

Cited By (1)

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