SU186985A1 - - Google Patents
Info
- Publication number
- SU186985A1 SU186985A1 SU948208A SU948208A SU186985A1 SU 186985 A1 SU186985 A1 SU 186985A1 SU 948208 A SU948208 A SU 948208A SU 948208 A SU948208 A SU 948208A SU 186985 A1 SU186985 A1 SU 186985A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- urea
- nitrogen oxides
- nitrogen
- gases
- gas
- Prior art date
Links
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 12
- 239000007789 gas Substances 0.000 description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 7
- 239000004202 carbamide Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU186985A1 true SU186985A1 (enExample) |
Family
ID=
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4008315A (en) * | 1971-12-31 | 1977-02-15 | Veba-Chemie Ag | Process for reducing nitrogen oxide losses from certain slurries and solutions by the addition of phosphate salts |
| US4061597A (en) * | 1975-12-04 | 1977-12-06 | American Cyanamid Company | NOx control in catalyst manufacture |
| US4119702A (en) * | 1976-07-28 | 1978-10-10 | Hitachi, Ltd. | Process for abating concentration of nitrogen oxides in combustion flue gas |
| US4208386A (en) * | 1976-03-03 | 1980-06-17 | Electric Power Research Institute, Inc. | Urea reduction of NOx in combustion effluents |
| US4212853A (en) * | 1973-09-07 | 1980-07-15 | Chiyoda Kako Kensetsu Kabushiki Kaisha | Method for the treatment of exhaust gases containing nitrogen oxides |
| US4626417A (en) * | 1983-09-29 | 1986-12-02 | Union Oil Company Of California | Methods for chemically reducing nitrogen oxides |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4008315A (en) * | 1971-12-31 | 1977-02-15 | Veba-Chemie Ag | Process for reducing nitrogen oxide losses from certain slurries and solutions by the addition of phosphate salts |
| US4212853A (en) * | 1973-09-07 | 1980-07-15 | Chiyoda Kako Kensetsu Kabushiki Kaisha | Method for the treatment of exhaust gases containing nitrogen oxides |
| US4061597A (en) * | 1975-12-04 | 1977-12-06 | American Cyanamid Company | NOx control in catalyst manufacture |
| US4208386A (en) * | 1976-03-03 | 1980-06-17 | Electric Power Research Institute, Inc. | Urea reduction of NOx in combustion effluents |
| US4119702A (en) * | 1976-07-28 | 1978-10-10 | Hitachi, Ltd. | Process for abating concentration of nitrogen oxides in combustion flue gas |
| US4626417A (en) * | 1983-09-29 | 1986-12-02 | Union Oil Company Of California | Methods for chemically reducing nitrogen oxides |
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