CA1050734A - Extraction du so2 des gaz - Google Patents

Extraction du so2 des gaz

Info

Publication number: CA1050734A
Authority: CA; Canada
Prior art keywords: solution; gas; pretreated; pretreatment; air
Prior art date: 1974-02-20
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

CA219,046A

Other languages

English (en)

Other versions

CA219046S (en

Inventor

Roberto Vitali

Sergio Villa

Costante Lotti

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.)

"IL GAS INTEGRALE" SpA

Original Assignee

"IL GAS INTEGRALE" SpA

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.)

1974-02-20

Filing date

1975-01-30

Publication date

1979-03-20

1975-01-30 Application filed by "IL GAS INTEGRALE" SpA filed Critical "IL GAS INTEGRALE" SpA

1979-03-20 Application granted granted Critical

1979-03-20 Publication of CA1050734A publication Critical patent/CA1050734A/fr

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 26
230000008569 process Effects 0.000 title claims abstract description 26
239000007789 gas Substances 0.000 title claims description 84
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims abstract description 84
LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims abstract description 34
238000010521 absorption reaction Methods 0.000 claims abstract description 25
LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims abstract description 25
230000008929 regeneration Effects 0.000 claims abstract description 16
238000011069 regeneration method Methods 0.000 claims abstract description 16
239000003513 alkali Substances 0.000 claims abstract description 15
239000004291 sulphur dioxide Substances 0.000 claims abstract description 14
235000010269 sulphur dioxide Nutrition 0.000 claims abstract description 14
125000004122 cyclic group Chemical group 0.000 claims abstract description 4
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
239000001301 oxygen Substances 0.000 claims description 12
229910052760 oxygen Inorganic materials 0.000 claims description 12
238000011282 treatment Methods 0.000 claims description 8
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
239000000243 solution Substances 0.000 description 92
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 16
PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 description 12
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
239000002535 acidifier Substances 0.000 description 7
229910021529 ammonia Inorganic materials 0.000 description 7
230000015572 biosynthetic process Effects 0.000 description 7
238000005755 formation reaction Methods 0.000 description 7
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
238000002203 pretreatment Methods 0.000 description 6
230000009467 reduction Effects 0.000 description 6
238000006722 reduction reaction Methods 0.000 description 6
239000001117 sulphuric acid Substances 0.000 description 5
235000011149 sulphuric acid Nutrition 0.000 description 5
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
229910052757 nitrogen Inorganic materials 0.000 description 4
229960005419 nitrogen Drugs 0.000 description 4
239000001569 carbon dioxide Substances 0.000 description 3
229910002092 carbon dioxide Inorganic materials 0.000 description 3
239000011261 inert gas Substances 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
239000003595 mist Substances 0.000 description 3
230000020477 pH reduction Effects 0.000 description 3
238000012856 packing Methods 0.000 description 3
239000000047 product Substances 0.000 description 3
238000005406 washing Methods 0.000 description 3
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
239000002253 acid Substances 0.000 description 2
229910000147 aluminium phosphate Inorganic materials 0.000 description 2
238000002485 combustion reaction Methods 0.000 description 2
238000001816 cooling Methods 0.000 description 2
238000005260 corrosion Methods 0.000 description 2
230000007797 corrosion Effects 0.000 description 2
238000001035 drying Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000003912 environmental pollution Methods 0.000 description 2
239000000463 material Substances 0.000 description 2
150000003839 salts Chemical class 0.000 description 2
229910021653 sulphate ion Inorganic materials 0.000 description 2
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
229910019142 PO4 Inorganic materials 0.000 description 1
239000004285 Potassium sulphite Substances 0.000 description 1
208000036366 Sensation of pressure Diseases 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
239000001166 ammonium sulphate Substances 0.000 description 1
235000011130 ammonium sulphate Nutrition 0.000 description 1
230000001174 ascending effect Effects 0.000 description 1
230000033228 biological regulation Effects 0.000 description 1
230000000740 bleeding effect Effects 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
238000011109 contamination Methods 0.000 description 1
238000010586 diagram Methods 0.000 description 1
239000010419 fine particle Substances 0.000 description 1
239000011521 glass Substances 0.000 description 1
239000003295 industrial effluent Substances 0.000 description 1
238000009434 installation Methods 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
239000007791 liquid phase Substances 0.000 description 1
239000000203 mixture Substances 0.000 description 1
229910000069 nitrogen hydride Inorganic materials 0.000 description 1
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
239000010452 phosphate Substances 0.000 description 1
BHZRJJOHZFYXTO-UHFFFAOYSA-L potassium sulfite Chemical compound [K+].[K+].[O-]S([O-])=O BHZRJJOHZFYXTO-UHFFFAOYSA-L 0.000 description 1
235000019252 potassium sulphite Nutrition 0.000 description 1
238000004064 recycling Methods 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
238000005201 scrubbing Methods 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulphite Substances [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 1
235000010265 sodium sulphite Nutrition 0.000 description 1
238000001179 sorption measurement Methods 0.000 description 1
239000007921 spray Substances 0.000 description 1
WQDSRJBTLILEEK-UHFFFAOYSA-N sulfurous acid Chemical compound OS(O)=O.OS(O)=O WQDSRJBTLILEEK-UHFFFAOYSA-N 0.000 description 1

Landscapes

Treating Waste Gases (AREA)
Gas Separation By Absorption (AREA)

CA219,046A 1974-02-20 1975-01-30 Extraction du so2 des gaz Expired CA1050734A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT4858674A IT1046241B (it)	1974-02-20	1974-02-20	Procedimento per la depurazione di so2 da gas o aria

Publications (1)

Publication Number	Publication Date
CA1050734A true CA1050734A (fr)	1979-03-20

Family

ID=11267479

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA219,046A Expired CA1050734A (fr)	1974-02-20	1975-01-30	Extraction du so2 des gaz

Country Status (3)

Country	Link
CA (1)	CA1050734A (fr)
IT (1)	IT1046241B (fr)
PL (1)	PL90788B1 (fr)

1974
- 1974-02-20 IT IT4858674A patent/IT1046241B/it active
- 1974-06-21 PL PL17210874A patent/PL90788B1/pl unknown
1975
- 1975-01-30 CA CA219,046A patent/CA1050734A/fr not_active Expired

Also Published As

Publication number	Publication date
IT1046241B (it)	1980-06-30
PL90788B1 (fr)	1977-01-31

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