CA1100122A - Extraction des produits nocifs contenus dans des gaz - Google Patents

Extraction des produits nocifs contenus dans des gaz

Info

Publication number: CA1100122A
Authority: CA; Canada
Prior art keywords: wash liquid; carboxylic acid; acid; process according; calcium
Prior art date: 1976-12-03
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

CA292,308A

Other languages

English (en)

Inventor

Heinz Gresch

Heinz Holter

Heinrich Igelbuscher

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.)

Individual

Original Assignee

Individual

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.)

1976-12-03

Filing date

1977-12-02

Publication date

1981-04-28

1976-12-03 Priority claimed from DE19762654843 external-priority patent/DE2654843C2/de

1977-02-24 Priority claimed from DE19772707935 external-priority patent/DE2707935C2/de

1977-07-08 Priority claimed from DE19772730845 external-priority patent/DE2730845A1/de

1977-10-19 Priority claimed from DE19772746926 external-priority patent/DE2746926C2/de

1977-12-02 Application filed by Individual filed Critical Individual

1981-04-28 Application granted granted Critical

1981-04-28 Publication of CA1100122A publication Critical patent/CA1100122A/fr

Status Expired legal-status Critical Current

Links

230000001473 noxious effect Effects 0.000 title abstract description 10
239000000356 contaminant Substances 0.000 title description 5
239000007788 liquid Substances 0.000 claims abstract description 103
150000001732 carboxylic acid derivatives Chemical class 0.000 claims abstract description 55
OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 35
150000001450 anions Chemical class 0.000 claims abstract description 12
150000007522 mineralic acids Chemical class 0.000 claims abstract description 10
238000005406 washing Methods 0.000 claims abstract description 10
230000001590 oxidative effect Effects 0.000 claims abstract description 5
239000007789 gas Substances 0.000 claims description 52
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 50
KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 42
239000002253 acid Substances 0.000 claims description 36
238000000034 method Methods 0.000 claims description 36
230000008569 process Effects 0.000 claims description 34
BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 32
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
-1 carboxylic acid anions Chemical class 0.000 claims description 20
229940044609 sulfur dioxide Drugs 0.000 claims description 19
235000010269 sulphur dioxide Nutrition 0.000 claims description 19
OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 16
235000019253 formic acid Nutrition 0.000 claims description 16
150000003839 salts Chemical class 0.000 claims description 16
BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 12
229910001424 calcium ion Inorganic materials 0.000 claims description 12
229940003871 calcium ion Drugs 0.000 claims description 8
150000002500 ions Chemical class 0.000 claims description 7
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
238000010494 dissociation reaction Methods 0.000 claims description 6
230000005593 dissociations Effects 0.000 claims description 6
159000000011 group IA salts Chemical class 0.000 claims description 6
239000004135 Bone phosphate Substances 0.000 claims description 5
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 5
239000000920 calcium hydroxide Substances 0.000 claims description 5
229910001861 calcium hydroxide Inorganic materials 0.000 claims description 5
BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 5
239000000292 calcium oxide Substances 0.000 claims description 5
ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 5
JGIATAMCQXIDNZ-UHFFFAOYSA-N calcium sulfide Chemical class [Ca]=S JGIATAMCQXIDNZ-UHFFFAOYSA-N 0.000 claims description 5
230000006872 improvement Effects 0.000 claims description 5
239000002912 waste gas Substances 0.000 claims description 5
KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 4
239000000126 substance Substances 0.000 claims description 4
229910052783 alkali metal Inorganic materials 0.000 claims description 3
229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
239000004615 ingredient Substances 0.000 claims description 3
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 claims description 2
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
150000003841 chloride salts Chemical class 0.000 claims description 2
239000011591 potassium Substances 0.000 claims description 2
229910052700 potassium Inorganic materials 0.000 claims description 2
239000011734 sodium Substances 0.000 claims description 2
229910052708 sodium Inorganic materials 0.000 claims description 2
150000001447 alkali salts Chemical class 0.000 claims 2
229910052784 alkaline earth metal Inorganic materials 0.000 claims 2
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
VZTDIZULWFCMLS-UHFFFAOYSA-N ammonium formate Chemical compound [NH4+].[O-]C=O VZTDIZULWFCMLS-UHFFFAOYSA-N 0.000 claims 1
YWYZEGXAUVWDED-UHFFFAOYSA-N triammonium citrate Chemical compound [NH4+].[NH4+].[NH4+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O YWYZEGXAUVWDED-UHFFFAOYSA-N 0.000 claims 1
239000011575 calcium Substances 0.000 abstract description 18
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 17
229910052791 calcium Inorganic materials 0.000 abstract description 17
238000005201 scrubbing Methods 0.000 abstract description 13
LVGQIQHJMRUCRM-UHFFFAOYSA-L calcium bisulfite Chemical compound [Ca+2].OS([O-])=O.OS([O-])=O LVGQIQHJMRUCRM-UHFFFAOYSA-L 0.000 abstract description 4
235000010260 calcium hydrogen sulphite Nutrition 0.000 abstract description 3
230000003134 recirculating effect Effects 0.000 abstract 1
239000007787 solid Substances 0.000 abstract 1
229960005069 calcium Drugs 0.000 description 16
235000001465 calcium Nutrition 0.000 description 16
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
229940095672 calcium sulfate Drugs 0.000 description 12
235000011132 calcium sulphate Nutrition 0.000 description 12
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 11
239000003546 flue gas Substances 0.000 description 11
235000011167 hydrochloric acid Nutrition 0.000 description 9
229960000443 hydrochloric acid Drugs 0.000 description 9
235000008733 Citrus aurantifolia Nutrition 0.000 description 7
235000011941 Tilia x europaea Nutrition 0.000 description 7
239000004571 lime Substances 0.000 description 7
150000007524 organic acids Chemical class 0.000 description 7
230000003647 oxidation Effects 0.000 description 7
238000007254 oxidation reaction Methods 0.000 description 7
238000006243 chemical reaction Methods 0.000 description 6
150000001875 compounds Chemical class 0.000 description 6
230000009467 reduction Effects 0.000 description 5
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
230000009102 absorption Effects 0.000 description 4
238000010521 absorption reaction Methods 0.000 description 4
230000008901 benefit Effects 0.000 description 4
229940043430 calcium compound Drugs 0.000 description 4
150000001674 calcium compounds Chemical class 0.000 description 4
229910052602 gypsum Inorganic materials 0.000 description 4
239000010440 gypsum Substances 0.000 description 4
239000000203 mixture Substances 0.000 description 4
239000000654 additive Substances 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
239000000463 material Substances 0.000 description 3
230000007246 mechanism Effects 0.000 description 3
239000007800 oxidant agent Substances 0.000 description 3
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
230000002378 acidificating effect Effects 0.000 description 2
150000007513 acids Chemical class 0.000 description 2
GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 2
235000010261 calcium sulphite Nutrition 0.000 description 2
150000001735 carboxylic acids Chemical class 0.000 description 2
239000000460 chlorine Substances 0.000 description 2
229910052801 chlorine Inorganic materials 0.000 description 2
239000013078 crystal Substances 0.000 description 2
238000006477 desulfuration reaction Methods 0.000 description 2
230000023556 desulfurization Effects 0.000 description 2
238000010586 diagram Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
229910052742 iron Inorganic materials 0.000 description 2
235000014413 iron hydroxide Nutrition 0.000 description 2
NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 2
238000001556 precipitation Methods 0.000 description 2
238000000746 purification Methods 0.000 description 2
239000001509 sodium citrate Substances 0.000 description 2
NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 2
239000007921 spray Substances 0.000 description 2
BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 1
LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
244000007645 Citrus mitis Species 0.000 description 1
102000004405 Collectins Human genes 0.000 description 1
108090000909 Collectins Proteins 0.000 description 1
241000518994 Conta Species 0.000 description 1
208000005156 Dehydration Diseases 0.000 description 1
BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 1
241000272476 Gyps Species 0.000 description 1
241001527806 Iti Species 0.000 description 1
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 1
KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
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 1
230000009471 action Effects 0.000 description 1
150000001340 alkali metals Chemical class 0.000 description 1
BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
150000003863 ammonium salts Chemical class 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
238000010936 aqueous wash Methods 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
159000000007 calcium salts Chemical class 0.000 description 1
150000001768 cations Chemical class 0.000 description 1
238000005352 clarification Methods 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
PYRZPBDTPRQYKG-UHFFFAOYSA-N cyclopentene-1-carboxylic acid Chemical compound OC(=O)C1=CCCC1 PYRZPBDTPRQYKG-UHFFFAOYSA-N 0.000 description 1
230000018044 dehydration Effects 0.000 description 1
238000006297 dehydration reaction Methods 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
238000001035 drying Methods 0.000 description 1
238000000605 extraction Methods 0.000 description 1
BTCSSZJGUNDROE-UHFFFAOYSA-N gamma-aminobutyric acid Chemical compound NCCCC(O)=O BTCSSZJGUNDROE-UHFFFAOYSA-N 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
239000012535 impurity Substances 0.000 description 1
230000002401 inhibitory effect Effects 0.000 description 1
239000011777 magnesium Substances 0.000 description 1
229910052749 magnesium Inorganic materials 0.000 description 1
239000001630 malic acid Substances 0.000 description 1
235000011090 malic acid Nutrition 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
239000002245 particle Substances 0.000 description 1
150000007519 polyprotic acids Polymers 0.000 description 1
239000000047 product Substances 0.000 description 1
238000004064 recycling Methods 0.000 description 1
239000010802 sludge Substances 0.000 description 1
239000000243 solution Substances 0.000 description 1
239000011593 sulfur Substances 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
239000000725 suspension Substances 0.000 description 1
239000011975 tartaric acid Substances 0.000 description 1
235000002906 tartaric acid Nutrition 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
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
- 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
- B01D53/14—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 absorption
- B01D53/1456—Removing acid components
- 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
- B01D53/14—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 absorption
- B01D53/1456—Removing acid components
- B01D53/1481—Removing sulfur dioxide or sulfur trioxide
- 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
- B01D53/14—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 absorption
- B01D53/1493—Selection of liquid materials for use as absorbents
- 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
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- 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
- B01D53/68—Halogens or halogen compounds
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
- C01F11/464—Sulfates of Ca from gases containing sulfur oxides

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Analytical Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Oil, Petroleum & Natural Gas (AREA)
Chemical Kinetics & Catalysis (AREA)
Health & Medical Sciences (AREA)
Biomedical Technology (AREA)
Environmental & Geological Engineering (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Geology (AREA)
Life Sciences & Earth Sciences (AREA)
Treating Waste Gases (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

CA292,308A 1976-12-03 1977-12-02 Extraction des produits nocifs contenus dans des gaz Expired CA1100122A (fr)

Applications Claiming Priority (8)

Application Number	Priority Date	Filing Date	Title
DE19762654843 DE2654843C2 (de)	1975-07-19	1976-12-03	Verfahren zum Reinigen von Rauchgasen und anderen Abgasen
DEP2654843.6		1976-12-03
DE19772707935 DE2707935C2 (de)	1975-07-19	1977-02-24	Verfahren und Vorrichtung zur Reinigung von Rauchgasen und anderen Abgasen, die Schwefeldioxid enthalten
DEP2707935.2		1977-02-24
DE19772730845 DE2730845A1 (de)	1975-07-19	1977-07-08	Waschfluessigkeit zur reinigung von abgasen aus verbrennungsanlagen, die mit einbasischen und mehrbasischen karbonsaeuren und hcl versetzt ist
DEP2730845.8		1977-07-08
DEP2746926.7		1977-10-19
DE19772746926 DE2746926C2 (de)	1977-10-19	1977-10-19	Verfahren zum Reinigen von Rohgas und anderen Abgasen, die Schwefeldioxid enthalten und Vorrichtung zur Durchführung des Verfahrens

Publications (1)

Publication Number	Publication Date
CA1100122A true CA1100122A (fr)	1981-04-28

Family

ID=27432165

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA292,308A Expired CA1100122A (fr)	1976-12-03	1977-12-02	Extraction des produits nocifs contenus dans des gaz

Country Status (10)

Country	Link
JP (1)	JPS5370981A (fr)
AT (1)	AT367318B (fr)
BE (1)	BE861329A (fr)
CA (1)	CA1100122A (fr)
CH (1)	CH630814A5 (fr)
DK (1)	DK539277A (fr)
FR (1)	FR2372651A1 (fr)
IT (1)	IT1089312B (fr)
NL (1)	NL7712450A (fr)
SE (1)	SE431939B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3227187C1 (de) *	1982-07-21	1988-12-01	Gottfried Bischoff Bau kompl. Gasreinigungs- und Wasserrückkühlanlagen GmbH & Co KG, 4300 Essen	Waschturm fuer eine Anlage zur Entschwefelung von Rauchgas
JP2923208B2 (ja) *	1994-09-12	1999-07-26	三菱重工業株式会社	湿式排煙脱硫装置
WO2003066525A1 (fr) *	2002-02-08	2003-08-14	F.L. Smidth Airtech A/S	Perfectionnement a la deshydratation du gypse dans la desulfuration des gaz d'emission par la modification du facies de cristaux avec des acides carboxyliques
AT507830B1 (de) *	2009-02-12	2010-10-15	Siemens Vai Metals Tech Gmbh	Verfahren und vorrichtung zur behandlung von abgas aus sinter- oder pelletierungsanlagen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE553910C (de) *	1930-12-17	1932-07-02	I G Farbenindustrie Akt Ges	Verfahren zur Gewinnung von Schwefeldioxyd
FR1129260A (fr) *	1955-07-27	1957-01-17	Electro Chimie Soc D	Procédé d'absorption de l'acide fluorhydrique à partir de mélanges gazeux en contenant en même temps que de l'acide chlorhydrique
US3833508A (en) *	1971-04-27	1974-09-03	Itt	Gas removal method and composition
DE2217317B2 (de) *	1972-04-11	1979-06-13	Heinz Ing.(Grad.) 4390 Gladbeck Hoelter	Verfahren zum Reinigen von schwefeldioxidhaltigem Abgas
US3897540A (en) *	1973-03-07	1975-07-29	American Air Filter Co	Method of controlling reaction conditions in a sulfur dioxide scrubber
DE2323508A1 (de) *	1973-05-10	1974-11-28	Heinz Hoelter	Verfahren zur auswaschung von so2, hc1, fluor, staub und aehnlichen rauchgasbegleitern
JPS5511371B2 (fr) *	1973-12-25	1980-03-25
US3980756A (en) *	1974-01-28	1976-09-14	Combustion Engineering, Inc.	Air pollution control system
JPS5435655B2 (fr) *	1974-08-12	1979-11-05

1977
- 1977-11-03 AT AT0783577A patent/AT367318B/de not_active IP Right Cessation
- 1977-11-11 NL NL7712450A patent/NL7712450A/xx not_active Application Discontinuation
- 1977-11-15 SE SE7712900A patent/SE431939B/xx unknown
- 1977-11-24 FR FR7735441A patent/FR2372651A1/fr active Granted
- 1977-11-29 CH CH1461177A patent/CH630814A5/de not_active IP Right Cessation
- 1977-11-30 BE BE2056472A patent/BE861329A/fr not_active IP Right Cessation
- 1977-12-01 IT IT30251/77A patent/IT1089312B/it active
- 1977-12-02 DK DK539277A patent/DK539277A/da not_active Application Discontinuation
- 1977-12-02 CA CA292,308A patent/CA1100122A/fr not_active Expired
- 1977-12-02 JP JP14492377A patent/JPS5370981A/ja active Pending

Also Published As

Publication number	Publication date
IT1089312B (it)	1985-06-18
BE861329A (fr)	1978-03-16
ATA783577A (de)	1981-11-15
SE431939B (sv)	1984-03-12
FR2372651B1 (fr)	1984-08-03
SE7712900L (sv)	1978-06-04
DK539277A (da)	1978-06-04
JPS5370981A (en)	1978-06-23
NL7712450A (nl)	1978-06-06
FR2372651A1 (fr)	1978-06-30
CH630814A5 (en)	1982-07-15
AT367318B (de)	1982-06-25

Legal Events

Date	Code	Title	Description
1998-04-28	MKEX	Expiry

Publication	Publication Date	Title
US4222993A (en)	1980-09-16	Removal of noxious contaminants from gas
US3985860A (en)	1976-10-12	Method for oxidation of SO2 scrubber sludge
DE68916104T2 (de)	1994-09-22	Verfahren zur Entschwefelung eines Schwefeldioxyd enthaltenden Gasstromes.
CA1258961A (fr)	1989-09-05	METHODE DE PREPARATION DE GYPSE SEMI-HYDRATE DE FORME .alpha.
DE69908611T2 (de)	2004-04-29	Verfahren zur kontrolle von ammonia-schlupf in der reduktion von schwefeldioxidemissionen
US4000991A (en)	1977-01-04	Method of removing fly ash particulates from flue gases in a closed-loop wet scrubbing system
CA2097996C (fr)	1998-11-10	Methode pour l'elimination de dioxyde de soufre dans des circuits gazeux, avec formation de gypse alpha-semihydrate
US4696805A (en)	1987-09-29	Method for desulfurizing exhaust gas
US5486342A (en)	1996-01-23	Clear liquor scrubbing of sulfur dioxide with forced oxidation in flue gas desulfurization system
US2161056A (en)	1939-06-06	Process for recovering sulphur dioxide from waste gases
CA1100122A (fr)	1981-04-28	Extraction des produits nocifs contenus dans des gaz
EP0128589A2 (fr)	1984-12-19	Méthode pour la purification des gaz de fumée et installation pour la réalisation de la méthode
DE2363793A1 (de)	1974-07-11	Verfahren zur entfernung von schwefelhaltigen gasen aus abgasen
CA1091898A (fr)	1980-12-23	Procede d'extraction de dioxyde de soufre porte dans des gaz de combustion
DE3523820C2 (fr)	1989-02-09
EP0238811A1 (fr)	1987-09-30	Procédé de purification des gaz de fumée contenant du S02
JP3174665B2 (ja)	2001-06-11	排煙脱硫方法
US4554140A (en)	1985-11-19	Off-gas desulfurization process
JPS62502388A (ja)	1987-09-17	煙道ガスの浄化方法
CN218358392U (zh)	2023-01-24	一种综合危废焚烧烟气处理系统
DE2726257A1 (de)	1977-12-22	Verfahren zur entschwefelung von abgasen
WO1986006981A1 (fr)	1986-12-04	PROCEDE PERMETTANT L'ELIMINATION SIMULTANEE PAR LAVAGE DE SO2, NOx ET LE CAS ECHEANT D'AUTRES SUBSTANCES NOCIVES CONTENUES DANS LES GAZ DE FUMEE DES INSTALLATIONS DE CHAUFFE ALIMENTEES PAR DES COMBUSTIBLES FOSSILES
DE3511427A1 (de)	1986-10-02	Verfahren zur simultanen auswaschung von so(pfeil abwaerts)2(pfeil abwaerts) und no(pfeil abwaerts)x(pfeil abwaerts) bei gleichzeitiger rueckfuehrung des komplexbildners
WO1987002269A1 (fr)	1987-04-23	Procede d'elimination simultanee de so2 et de nox contenus dans des gaz de fumee
SU910901A1 (ru)	1982-03-07	Способ регенерации тепла и химикатов из дымовых газов процесса сжигани отработанного щелока сульфатного производства целлюлозы