JPH0323483B2 - - Google Patents
Info
- Publication number
- JPH0323483B2 JPH0323483B2 JP24570385A JP24570385A JPH0323483B2 JP H0323483 B2 JPH0323483 B2 JP H0323483B2 JP 24570385 A JP24570385 A JP 24570385A JP 24570385 A JP24570385 A JP 24570385A JP H0323483 B2 JPH0323483 B2 JP H0323483B2
- Authority
- JP
- Japan
- Prior art keywords
- sulfuric acid
- concentrated sulfuric
- denitrification
- temperature
- present
- Prior art date
- 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
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 19
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 9
- 239000004202 carbamide Substances 0.000 claims description 9
- 238000004042 decolorization Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 8
- 238000003723 Smelting Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24570385A JPS62105904A (ja) | 1985-11-01 | 1985-11-01 | 濃硫酸脱色脱硝法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24570385A JPS62105904A (ja) | 1985-11-01 | 1985-11-01 | 濃硫酸脱色脱硝法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62105904A JPS62105904A (ja) | 1987-05-16 |
| JPH0323483B2 true JPH0323483B2 (enrdf_load_stackoverflow) | 1991-03-29 |
Family
ID=17137549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24570385A Granted JPS62105904A (ja) | 1985-11-01 | 1985-11-01 | 濃硫酸脱色脱硝法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62105904A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5030436A (en) * | 1989-05-03 | 1991-07-09 | Ethyl Corporation | Spent acid purification process |
| CA2134270C (en) * | 1994-10-25 | 2005-07-26 | Drew John Drexler | Nox destruction in sulphuric acid |
| 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 |
| CN106390709A (zh) * | 2016-11-28 | 2017-02-15 | 山西太钢不锈钢股份有限公司 | 一种300mw机组脱硝尿素替代液氨工艺的优化方法 |
-
1985
- 1985-11-01 JP JP24570385A patent/JPS62105904A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62105904A (ja) | 1987-05-16 |
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