SU1590119A1 - Method of cleaning waste gases from nitrogen oxides - Google Patents
Method of cleaning waste gases from nitrogen oxides Download PDFInfo
- Publication number
- SU1590119A1 SU1590119A1 SU874352612A SU4352612A SU1590119A1 SU 1590119 A1 SU1590119 A1 SU 1590119A1 SU 874352612 A SU874352612 A SU 874352612A SU 4352612 A SU4352612 A SU 4352612A SU 1590119 A1 SU1590119 A1 SU 1590119A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- purification
- nitrogen oxides
- waste gases
- catalyst
- cleaning waste
- Prior art date
Links
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims description 9
- 238000000034 method Methods 0.000 title claims description 5
- 239000002912 waste gas Substances 0.000 title claims 2
- 238000004140 cleaning Methods 0.000 title description 3
- 239000003054 catalyst Substances 0.000 claims abstract description 8
- 238000000746 purification Methods 0.000 claims abstract description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 6
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 3
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 3
- 239000011701 zinc Substances 0.000 claims abstract description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 2
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 239000003546 flue gas Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Catalysts (AREA)
Abstract
Изобретение относитс к технологии каталитической очистки отход щих газов от NO X, примен емой в химической и металлургической отрасл х промышленности и позвол ющей повысить степень очистки и объемную скорость. Отход щие газы пропускают через катализатор селективно восстанавливающий NO X до N 2 в присутствии аммиака при 20-150°С, с объемной скоростью (1,5- 6,8) .10 3 ч -1. Катализатором вл етс 4,5-октакарбоксифталоцианин цинка, нанесенный на гранулированный AL 2O 3. Степень очистки от NO X составл ет 98,7-99,9%. 2 табл.This invention relates to a technology for the catalytic purification of flue gases from NO X, used in the chemical and metallurgical industries and allows for an increase in the purification rate and volumetric rate. Exhaust gases are passed through a catalyst selectively reducing NO X to N 2 in the presence of ammonia at 20-150 ° C, with a bulk velocity (1.5-6.8) .10 3 h -1. The catalyst is 4,5-octacarboxy phthalocyanine zinc supported on granulated AL 2 O. 3. The degree of purification from NO X is 98.7-99.9%. 2 tab.
Description
Изобретение относитс к способам .санитарной очистки хвостовых газов, выбрасьгоаемых в атмосферу с хвостовыми газами промышлензл х агрегатов, от оксидов азота и может найти применение в химической и металлургической, промьшленности.The invention relates to methods for sanitary cleaning of tail gases emitted into the atmosphere with the tail gases of industrial units from nitrogen oxides and can be used in chemical and metallurgical industry.
Цель изобретени - повьшение степени очистки и объемной скорости.The purpose of the invention is to increase the purge rate and the flow rate.
Пример 1. Приготовление катализатора с содержанием гпФц(4,5- СООН)81,9 мас.%.Example 1. Preparation of a catalyst with a gpFc (4.5-COOH) content of 81.9 wt.%.
4,5-Октакарбоксифталоцианин цинка раствор ют в воде. Носитель - гранулированную окись алюмини пропитывают приготовленным раствором до адсорбции Фталоцианина на носитель в количестве 1,9 мас.%. Затем полученный катализатор сушат при 1 20 с до Посто нной массы.4,5-Octacarboxyphthalocyanine zinc is dissolved in water. The carrier - granulated alumina is impregnated with the prepared solution until Phthalocyanine is adsorbed onto the carrier in the amount of 1.9 wt.%. Then, the resulting catalyst is dried at 1–20 s to constant mass.
Пример 2. Очистку провод т в реакторе проточного типа диаметром ,Example 2. The cleaning is carried out in a flow-type reactor with a diameter
--
10 мм при объеме катализатора- 1 см при 20°С. Состав газовой смеси, об.%: N0 1,0; NH 1,1; 0-Z +,0; N-j. 93,9. Объемна скорость 1500 . Степень конверсии N0 в М2 составл ет 99,9%.10 mm with a catalyst volume of 1 cm at 20 ° C. The composition of the gas mixture, vol.%: N0 1,0; NH 1.1; 0-Z +, 0; N-j. 93.9. Surround speed is 1500. The degree of conversion of N0 to M2 is 99.9%.
Пример 3. Услови опыта аналогичны примеру 2. Температура в реакторе . Объемна скорость 4300 ч Степень конверсии кО в N составл ет 99,5%. .Example 3. The conditions of the experiment are similar to example 2. The temperature in the reactor. Bulk velocity 4300 h. The conversion of kO to N is 99.5%. .
Пример 4. Услови опыта аналогичны примеру 2. Температура в реакторе 100°С. Объемна скорость 6000 . Степень конверсии N0 в N составл ет 98,7%.Example 4. The conditions of the experiment are similar to example 2. The temperature in the reactor is 100 ° C. Volume velocity is 6000. The degree of conversion of N0 to N is 98.7%.
Пример 5. Услови опыта аналогичны примеру 2. Температура в реакторе 150 С. Объемна скорость 6800 . Степень конверсии N0 в N 2 составл ет 99,8%.Example 5. The conditions of the experiment are similar to example 2. The temperature in the reactor is 150 C. The volumetric rate is 6800. The degree of conversion of N0 to N 2 is 99.8%.
В табл.1 приведены результаты по степени конверсии N0 в N2, равнойTable 1 shows the results on the degree of conversion of N0 to N2, equal to
елate
соwith
соwith
степени очистки, при различных объемных скорост х.purification rates at various volumetric rates.
в табл.2 приведены результаты по восстановлению N0 аммиаком, v присутствии гпФц(4,5-СООН)д, нанесенного на в количестве 1 мас.%.Table 2 shows the results of the reduction of N0 with ammonia, v in the presence of gpFc (4,5-COOH) d, deposited in an amount of 1 wt.%.
Как следует из примеров и табл.1, предлагаемый способ позвол ет повысить степень очистки от N0 до 98,7- 99,9% по сравнению с 98,0% в известном , а объемную скорость пропускани газового потока через катализатор ;As follows from the examples and Table 1, the proposed method allows to increase the purification rate from N0 to 98.7- 99.9% as compared with 98.0% in the well-known, and the volumetric flow rate of the gas flow through the catalyst;
увеличить до (4,3-6,8) ю ч ... сравнению с 1, в известном.increase to (4.3-6.8) u h ... compared with 1, in the known.
поby
.Способ обеспечивает высокую селективность процесса восстановлени при умеренных температурах (20-150 С).The method provides high selectivity of the reduction process at moderate temperatures (20-150 ° C).
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU874352612A SU1590119A1 (en) | 1987-12-29 | 1987-12-29 | Method of cleaning waste gases from nitrogen oxides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU874352612A SU1590119A1 (en) | 1987-12-29 | 1987-12-29 | Method of cleaning waste gases from nitrogen oxides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU1590119A1 true SU1590119A1 (en) | 1990-09-07 |
Family
ID=21345968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU874352612A SU1590119A1 (en) | 1987-12-29 | 1987-12-29 | Method of cleaning waste gases from nitrogen oxides |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU1590119A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4400243A1 (en) * | 1994-01-07 | 1995-07-13 | Bayer Ag | Process for the wet oxidative treatment of organic pollutants in waste water |
| RU2121867C1 (en) * | 1993-01-23 | 1998-11-20 | Аппаратебау Ротемюле Брандт унд Критцлер ГмбХ | Method of treatment of gaseous waste containing noxious substances for regenerative heat-exchanger and device intended for its realization |
| RU2320400C2 (en) * | 2002-04-09 | 2008-03-27 | Уде Гмбх | Method of removing nitrogen oxides |
-
1987
- 1987-12-29 SU SU874352612A patent/SU1590119A1/en active
Non-Patent Citations (1)
| Title |
|---|
| Авторское свидетельство СССР № 1324681, кл. В 01- J 37/02, 1985. * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2121867C1 (en) * | 1993-01-23 | 1998-11-20 | Аппаратебау Ротемюле Брандт унд Критцлер ГмбХ | Method of treatment of gaseous waste containing noxious substances for regenerative heat-exchanger and device intended for its realization |
| DE4400243A1 (en) * | 1994-01-07 | 1995-07-13 | Bayer Ag | Process for the wet oxidative treatment of organic pollutants in waste water |
| RU2320400C2 (en) * | 2002-04-09 | 2008-03-27 | Уде Гмбх | Method of removing nitrogen oxides |
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