CS237301B2 - Method of regaining of hydrogen magnesium sulphite from waste gas in combustion of sulphite waste liquor - Google Patents
Method of regaining of hydrogen magnesium sulphite from waste gas in combustion of sulphite waste liquor Download PDFInfo
- Publication number
- CS237301B2 CS237301B2 CS783755A CS375578A CS237301B2 CS 237301 B2 CS237301 B2 CS 237301B2 CS 783755 A CS783755 A CS 783755A CS 375578 A CS375578 A CS 375578A CS 237301 B2 CS237301 B2 CS 237301B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- magnesium
- sulphite
- sulfur dioxide
- normal
- sulfite
- Prior art date
Links
- JESHZQPNPCJVNG-UHFFFAOYSA-L magnesium;sulfite Chemical compound [Mg+2].[O-]S([O-])=O JESHZQPNPCJVNG-UHFFFAOYSA-L 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims description 30
- 238000002485 combustion reaction Methods 0.000 title claims description 7
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 title claims description 7
- 239000002912 waste gas Substances 0.000 title claims description 3
- 239000001257 hydrogen Substances 0.000 title 1
- 229910052739 hydrogen Inorganic materials 0.000 title 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 title 1
- 239000002699 waste material Substances 0.000 title 1
- LPHFLPKXBKBHRW-UHFFFAOYSA-L magnesium;hydrogen sulfite Chemical compound [Mg+2].OS([O-])=O.OS([O-])=O LPHFLPKXBKBHRW-UHFFFAOYSA-L 0.000 claims abstract description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000010521 absorption reaction Methods 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 56
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 15
- 229910052717 sulfur Inorganic materials 0.000 claims description 15
- 239000011593 sulfur Substances 0.000 claims description 15
- 239000000395 magnesium oxide Substances 0.000 claims description 11
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 11
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 11
- 238000011084 recovery Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 8
- 238000003776 cleavage reaction Methods 0.000 claims description 7
- 230000007017 scission Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims description 2
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims 1
- 239000002253 acid Substances 0.000 abstract description 17
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 7
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 230000029087 digestion Effects 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 description 10
- 239000006096 absorbing agent Substances 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004227 thermal cracking Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- QHDCFDQKXQIXLF-UHFFFAOYSA-N sulfuric acid sulfurous acid Chemical compound OS(O)=O.OS(O)(=O)=O QHDCFDQKXQIXLF-UHFFFAOYSA-N 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Classifications
-
- 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
- C01F5/00—Compounds of magnesium
- C01F5/42—Magnesium sulfites
-
- 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
-
- 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
- C01B17/48—Sulfur dioxide; Sulfurous acid
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
- D21C11/063—Treatment of gas streams comprising solid matter, e.g. the ashes resulting from the combustion of black liquor
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Geology (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT404177A AT347236B (de) | 1977-06-08 | 1977-06-08 | Verfahren zur rueckgewinnung des magnesiumbi- sulfits aus dem agbasen eines laugenverbrennungskessels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS237301B2 true CS237301B2 (en) | 1985-07-16 |
Family
ID=3558848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS783755A CS237301B2 (en) | 1977-06-08 | 1978-06-08 | Method of regaining of hydrogen magnesium sulphite from waste gas in combustion of sulphite waste liquor |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT347236B (de) |
| CS (1) | CS237301B2 (de) |
| DE (1) | DE2823749C3 (de) |
| FI (1) | FI67414C (de) |
| NO (1) | NO151124C (de) |
| PL (1) | PL110895B1 (de) |
| SE (1) | SE447736B (de) |
| YU (1) | YU42480B (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT383163B (de) | 1985-06-27 | 1987-05-25 | Chemiefaser Lenzing Ag | Verfahren zur regenerierung von aufschlussloesung aus der gebrauchten kochlauge eines magnesiumbisulfit-aufschlussverfahrens sowie filterapparat zur durchfuehrung des verfahrens |
| AT396694B (de) * | 1992-02-14 | 1993-11-25 | Waagner Biro Ag | Verfahren zur erzeugung eines homogenen abgases |
| AT397929B (de) * | 1992-12-04 | 1994-08-25 | Chemiefaser Lenzing Ag | Verfahren und anlage zur trocknung und anschliessenden spaltung |
-
1977
- 1977-06-08 AT AT404177A patent/AT347236B/de not_active IP Right Cessation
-
1978
- 1978-05-23 NO NO781789A patent/NO151124C/no unknown
- 1978-05-31 SE SE7806363A patent/SE447736B/sv not_active IP Right Cessation
- 1978-05-31 DE DE2823749A patent/DE2823749C3/de not_active Expired
- 1978-06-06 FI FI781791A patent/FI67414C/fi not_active IP Right Cessation
- 1978-06-07 PL PL1978207432A patent/PL110895B1/pl unknown
- 1978-06-07 YU YU1364/78A patent/YU42480B/xx unknown
- 1978-06-08 CS CS783755A patent/CS237301B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2823749C3 (de) | 1981-06-19 |
| FI67414B (fi) | 1984-11-30 |
| PL110895B1 (en) | 1980-08-30 |
| SE447736B (sv) | 1986-12-08 |
| DE2823749B2 (de) | 1979-04-12 |
| DE2823749A1 (de) | 1978-12-21 |
| NO151124C (no) | 1985-02-13 |
| NO781789L (no) | 1978-12-11 |
| PL207432A1 (pl) | 1979-04-23 |
| YU42480B (en) | 1988-10-31 |
| FI67414C (fi) | 1985-03-11 |
| ATA404177A (de) | 1978-04-15 |
| YU136478A (en) | 1983-01-21 |
| SE7806363L (sv) | 1978-12-09 |
| NO151124B (no) | 1984-11-05 |
| FI781791A7 (fi) | 1978-12-09 |
| AT347236B (de) | 1978-12-11 |
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