PL147408B1 - Method of purifying gases,in particular waste ones,produced during a process of obtaining sulfuric acid - Google Patents
Method of purifying gases,in particular waste ones,produced during a process of obtaining sulfuric acid Download PDFInfo
- Publication number
- PL147408B1 PL147408B1 PL26555987A PL26555987A PL147408B1 PL 147408 B1 PL147408 B1 PL 147408B1 PL 26555987 A PL26555987 A PL 26555987A PL 26555987 A PL26555987 A PL 26555987A PL 147408 B1 PL147408 B1 PL 147408B1
- Authority
- PL
- Poland
- Prior art keywords
- water
- sulfuric acid
- amount
- alkalinity
- absorption
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims 4
- 239000007789 gas Substances 0.000 title claims 4
- 238000000034 method Methods 0.000 title claims 4
- 239000002699 waste material Substances 0.000 title 1
- 239000000243 solution Substances 0.000 claims 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 3
- 238000010521 absorption reaction Methods 0.000 claims 3
- 230000002745 absorbent Effects 0.000 claims 2
- 239000002250 absorbent Substances 0.000 claims 2
- 239000002956 ash Substances 0.000 claims 2
- 150000001875 compounds Chemical class 0.000 claims 2
- 239000010881 fly ash Substances 0.000 claims 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 2
- 239000011707 mineral Substances 0.000 claims 2
- 235000010755 mineral Nutrition 0.000 claims 2
- 239000002912 waste gas Substances 0.000 claims 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 claims 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical class [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims 1
- 239000003513 alkali Substances 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 235000011132 calcium sulphate Nutrition 0.000 claims 1
- 235000019341 magnesium sulphate Nutrition 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 230000001502 supplementing effect Effects 0.000 claims 1
Landscapes
- Treating Waste Gases (AREA)
Claims (1)
1. Zastrzezenie patentowe Sposób oozyszczania gazów, zwlaszcza gazów odlotowyoh z procesu wytwarzania kwasu siar¬ kowego, znamienny tym, ze stosuje sie roztwór otrzymany przez ekstrakcje woda zwiazków alkalioznyoh z popiolów lotnych w stosunku wagowym popiolu do wody od 1 j 60 do 1 s 165 i dodanie wody malozmineralizowanej o zasoleniu ponizej 1000 mg/dm* w ilosoi od 10 do 30% wagowyoh ekstratu i uzupelnienie alkalicznosci roztworami wodnymi lugów, najlepiej roztworem wodorotlenku sodu, do zasadowosoi mineralnej powyzej 15 mvali/dm* i tak przygoto¬ wany roztwór absorpoyjny podaje sie w przeoiwpradzie do gazów odlotowyoh w ilosciach od 1 do 8 dmy/m gazów odlotowyoh w temperaturze absorpoji od 298 do 328 K i zasadowosci mine¬ ralnej roztworu poabsorpoyjnego od 2 do 8 mYali/dm*, po czym oczyszozone gazy odlotowe su¬ szy sie i odprowadza sie do komina, zas zuzyte roztwory absorpoyjne miesza sie z woda o za¬ soleniu do 4000 mg/dm* i z popiolami lotnymi w takiej ilosci, aby stosunek wagowy popiolów do sumy wód wynosil od 1 i 60 do 1 : 165f a z roztworów zawierajaoyoh wyekstrahowane zwiaz¬ ki alkaliozne wydziela sie popioly oraz siarozyny i siarczany wapnia i magnezu i ponownie wykorzystuje sie w prooesie absorpoyjnym. Pracownia Poligraficzna LTPRL. Naklad 100 egz. Cena 400 zl PL
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL26555987A PL147408B1 (en) | 1987-05-06 | 1987-05-06 | Method of purifying gases,in particular waste ones,produced during a process of obtaining sulfuric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL26555987A PL147408B1 (en) | 1987-05-06 | 1987-05-06 | Method of purifying gases,in particular waste ones,produced during a process of obtaining sulfuric acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL265559A1 PL265559A1 (en) | 1988-02-04 |
| PL147408B1 true PL147408B1 (en) | 1989-05-31 |
Family
ID=20036229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL26555987A PL147408B1 (en) | 1987-05-06 | 1987-05-06 | Method of purifying gases,in particular waste ones,produced during a process of obtaining sulfuric acid |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL147408B1 (pl) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5100633A (en) * | 1985-11-07 | 1992-03-31 | Passamaquoddy Technology Limited Partnership | Method for scrubbing pollutants from an exhaust gas stream |
-
1987
- 1987-05-06 PL PL26555987A patent/PL147408B1/pl unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5100633A (en) * | 1985-11-07 | 1992-03-31 | Passamaquoddy Technology Limited Partnership | Method for scrubbing pollutants from an exhaust gas stream |
Also Published As
| Publication number | Publication date |
|---|---|
| PL265559A1 (en) | 1988-02-04 |
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