NO894556L - Fremgangsmaate for avfarving av fremstilt svovelsyre. - Google Patents
Fremgangsmaate for avfarving av fremstilt svovelsyre.Info
- Publication number
- NO894556L NO894556L NO89894556A NO894556A NO894556L NO 894556 L NO894556 L NO 894556L NO 89894556 A NO89894556 A NO 89894556A NO 894556 A NO894556 A NO 894556A NO 894556 L NO894556 L NO 894556L
- Authority
- NO
- Norway
- Prior art keywords
- sulfuric acid
- hydrogen peroxide
- acid
- added
- absorption
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 28
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000010521 absorption reaction Methods 0.000 claims abstract description 17
- 239000002253 acid Substances 0.000 claims description 25
- 238000004042 decolorization Methods 0.000 claims description 16
- 239000012530 fluid Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 235000011149 sulphuric acid Nutrition 0.000 abstract 3
- 239000001117 sulphuric acid Substances 0.000 abstract 3
- 150000002978 peroxides Chemical class 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 241001550224 Apha Species 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000012286 potassium permanganate Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical group [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000008396 flotation agent Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
-
- 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
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
- C01B17/905—Removal of organic impurities
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Detergent Compositions (AREA)
- Saccharide Compounds (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Stereophonic System (AREA)
- Television Systems (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8804123A SE464299B (sv) | 1988-11-16 | 1988-11-16 | Foerfarande foer avfaergning av svavelsyra framstaelld enligt kontaktmetoden |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO894556D0 NO894556D0 (no) | 1989-11-15 |
| NO894556L true NO894556L (no) | 1990-05-18 |
Family
ID=20373947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO89894556A NO894556L (no) | 1988-11-16 | 1989-11-15 | Fremgangsmaate for avfarving av fremstilt svovelsyre. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US5026535A (da) |
| EP (1) | EP0369973B1 (da) |
| JP (1) | JPH02180704A (da) |
| AT (1) | ATE111055T1 (da) |
| AU (1) | AU616805B2 (da) |
| CA (1) | CA2000879C (da) |
| DE (1) | DE68918053T2 (da) |
| DK (1) | DK568689A (da) |
| ES (1) | ES2063838T3 (da) |
| FI (1) | FI88495C (da) |
| NO (1) | NO894556L (da) |
| PT (1) | PT92320B (da) |
| SE (1) | SE464299B (da) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3926112A1 (de) * | 1989-08-08 | 1991-02-14 | Hoechst Ag | Verfahren zur wiederaufbereitung der schwefelsaeure aus der phosphor-reinigung |
| FR2674843B1 (fr) * | 1991-04-04 | 1993-09-17 | Emc Services | Procede et dispositif de purification d'acide sulfurique concentre contamine par des impuretes organiques. |
| JP3339067B2 (ja) * | 1991-12-25 | 2002-10-28 | 住友化学工業株式会社 | 硫酸アルミニウムの製造方法 |
| US5549833A (en) * | 1992-06-11 | 1996-08-27 | Toshin Chemical Industry Co., Ltd. | Method of decomposing hydrogen peroxide |
| JPH0763703B2 (ja) * | 1992-06-11 | 1995-07-12 | 東信化学工業株式会社 | 過酸化水素の分解方法 |
| CN1049638C (zh) * | 1993-10-01 | 2000-02-23 | 敖尔圣 | 一种精制硫酸系列产品的生产新工艺 |
| CA2134270C (en) * | 1994-10-25 | 2005-07-26 | Drew John Drexler | Nox destruction in sulphuric acid |
| ES2105969B1 (es) * | 1995-07-14 | 1998-07-01 | Gen Quimica S A | Procedimiento para la recuperacion de acido sulfurico a partir de corrientes residuales de sulfurico de mediana concentracion contaminadas con materia organica. |
| FR2772014B1 (fr) * | 1997-12-08 | 2000-01-07 | Atochem Elf Sa | Generation de trifluorure de bore et d'acide sulfurique a partir d'hydrate de trifluorure de bore |
| US6896865B2 (en) * | 2000-04-28 | 2005-05-24 | Tosoh Corporation | Method for recovering hydrogen chloride from chlorine based waste and use of recovered hydrogen chloride |
| DE102005049084A1 (de) * | 2005-10-13 | 2007-04-26 | Wacker Chemie Ag | Verfahren zur Regenerierung von Schwefelsäure |
| DE202010003399U1 (de) | 2009-11-25 | 2010-06-24 | Donau Chemie Ag | Zusammensetzung zum Entfärben bzw. Verhindern der Verfärbung von konzentrierter Schwefelsäure |
| CN103172035A (zh) * | 2013-03-27 | 2013-06-26 | 刘立文 | 一种利用双氧水对硫酸进行脱色的方法 |
| CN103230775B (zh) * | 2013-05-10 | 2015-09-09 | 刘立文 | 一种碳化植物纤维硫酸脱色剂及其制备方法 |
| US9278860B2 (en) * | 2014-07-22 | 2016-03-08 | Taiwan Semiconductor Manufacturing Co., Ltd. | Method and apparatus for recycling waste sulfuric acid |
| IL236365A0 (en) * | 2014-12-21 | 2015-04-30 | Melodea Ltd | Recycling of acid from acid-rich aqueous solutions |
| US9499405B2 (en) * | 2015-03-10 | 2016-11-22 | Ei Du Pont De Nemours And Company | Process for producing sulfuric acid with low levels of niter |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1067793B (de) * | 1956-05-23 | 1959-10-29 | Zieren Chemiebau Gmbh Dr A | Verfahren zur Herstellung von reiner konzentrierter Schwefelsaeure nach dem Kontaktverfahren aus Roestgasen, die durch organische Stoffe verunreinigt sind |
| BE791400A (fr) * | 1971-11-16 | 1973-03-01 | Canadian Ind | Procede de production d'acide sulfurique |
| US3856673A (en) * | 1973-04-02 | 1974-12-24 | Air Prod & Chem | Purification of spent sulfuric acid |
| SE403096B (sv) * | 1975-06-12 | 1978-07-31 | Hoechst Ag | Sett att rena en med ettiksyra och klorvete fororenad utspedd svavelsyra |
| CA1059943A (en) * | 1976-07-20 | 1979-08-07 | Pierre L. Claessens | Electrolytically forming peroxosulfuric acid to oxidize organic material in sulfuric acid |
| DE2632989A1 (de) * | 1976-07-22 | 1978-02-02 | Hoechst Ag | Verfahren zum regenerieren von schwefelsaeure |
| DE2942545A1 (de) * | 1979-10-20 | 1981-06-04 | Riedel-De Haen Ag, 3016 Seelze | Verfahren zur herstellung einer gereinigten oxidationsbestaendigen anorganischen saeure und danach erhaltene saeure |
| JPS5832003A (ja) * | 1981-08-13 | 1983-02-24 | Mitsubishi Metal Corp | 着色濃硫酸の脱色方法 |
| US4591494A (en) * | 1983-02-03 | 1986-05-27 | C-I-L | Method and apparatus for making sulphuric acid |
| CH654282A5 (de) * | 1983-02-09 | 1986-02-14 | Bertrams Ag | Verfahren und einrichtung zum konzentrieren und reinigen von organische verunreinigungen enthaltender schwefelsaeure. |
-
1988
- 1988-11-16 SE SE8804123A patent/SE464299B/sv not_active IP Right Cessation
-
1989
- 1989-10-17 CA CA002000879A patent/CA2000879C/en not_active Expired - Fee Related
- 1989-10-18 US US07/423,361 patent/US5026535A/en not_active Expired - Fee Related
- 1989-10-18 AU AU42973/89A patent/AU616805B2/en not_active Ceased
- 1989-11-06 FI FI895254A patent/FI88495C/fi not_active IP Right Cessation
- 1989-11-14 DK DK568689A patent/DK568689A/da not_active Application Discontinuation
- 1989-11-14 AT AT89850396T patent/ATE111055T1/de not_active IP Right Cessation
- 1989-11-14 DE DE68918053T patent/DE68918053T2/de not_active Expired - Fee Related
- 1989-11-14 EP EP89850396A patent/EP0369973B1/en not_active Expired - Lifetime
- 1989-11-14 ES ES89850396T patent/ES2063838T3/es not_active Expired - Lifetime
- 1989-11-15 PT PT92320A patent/PT92320B/pt not_active IP Right Cessation
- 1989-11-15 NO NO89894556A patent/NO894556L/no unknown
- 1989-11-16 JP JP1298728A patent/JPH02180704A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ES2063838T3 (es) | 1995-01-16 |
| FI88495B (fi) | 1993-02-15 |
| AU4297389A (en) | 1990-05-24 |
| DK568689A (da) | 1990-05-17 |
| DE68918053D1 (de) | 1994-10-13 |
| DE68918053T2 (de) | 1995-01-12 |
| SE8804123D0 (sv) | 1988-11-16 |
| PT92320B (pt) | 1996-01-31 |
| EP0369973A1 (en) | 1990-05-23 |
| SE464299B (sv) | 1991-04-08 |
| ATE111055T1 (de) | 1994-09-15 |
| SE8804123L (sv) | 1990-05-17 |
| CA2000879C (en) | 1996-08-27 |
| AU616805B2 (en) | 1991-11-07 |
| DK568689D0 (da) | 1989-11-14 |
| PT92320A (pt) | 1990-05-31 |
| EP0369973B1 (en) | 1994-09-07 |
| JPH02180704A (ja) | 1990-07-13 |
| CA2000879A1 (en) | 1990-05-16 |
| US5026535A (en) | 1991-06-25 |
| FI88495C (fi) | 1993-05-25 |
| NO894556D0 (no) | 1989-11-15 |
| FI895254A0 (fi) | 1989-11-06 |
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