RU2002112985A - Конверсия окислов азота в присутствии катализатора, нанесенного на структуру в виде сетки - Google Patents

Конверсия окислов азота в присутствии катализатора, нанесенного на структуру в виде сетки

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Publication number
RU2002112985A
RU2002112985A RU2002112985/15A RU2002112985A RU2002112985A RU 2002112985 A RU2002112985 A RU 2002112985A RU 2002112985/15 A RU2002112985/15 A RU 2002112985/15A RU 2002112985 A RU2002112985 A RU 2002112985A RU 2002112985 A RU2002112985 A RU 2002112985A
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Russia
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RU2002112985/15A
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RU2252064C2 (ru
Inventor
Йоаким А. КАРЛБОРГ (SE)
Йоаким А. КАРЛБОРГ
Юн-Фенг ЧАНГ (US)
Юн-Фенг ЧАНГ
Лоренс Л. МЁРРЕЛЛ (US)
Лоренс Л. МЁРРЕЛЛ
Роберт Е. ТРУБАК (US)
Роберт Е. ТРУБАК
Рудолф А. ОВЕРБИК (US)
Рудолф А. ОВЕРБИК
Верена Р. ШМИДТ (CH)
Верена Р. ШМИДТ
Чуен Й. ЙЕХ (US)
Чуен Й. ЙЕХ
Лотар Шу (DE)
Лотар Шу
Original Assignee
Абб Ламмус Глобал, Инк. (Us)
Абб Ламмус Глобал, Инк.
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Publication of RU2002112985A publication Critical patent/RU2002112985A/ru
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Publication of RU2252064C2 publication Critical patent/RU2252064C2/ru

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
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    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
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Claims (16)

1. Способ удаления по меньшей мере одного окисла азота из среды, включающий формирование структуры в виде сетки из пористого материала, имеющего внутренние поры и противоположные стороны, причем средний размер пор материала является достаточно малым для того, чтобы обычно не наблюдался поток текучей среды через пористый материал при наличии пренебрежимо малой разности давления на противоположных сторонах, указанная структура в виде сетки имеет пористость более чем примерно 85%, противоположные стороны образуют каналы, где каждый канал имеет отверстие для входа текучей среды и отверстие для выхода текучей среды, предназначенные для протекания поступающей среды через каналы вдоль поверхностей материала из соответствующих входных отверстий к и через указанные выходные отверстия, поры сообщаются средой друг с другом и с каналами снаружи материала с каждой из указанных сторон, причем указанный материал включает цельные с ним устройства - генераторы турбулентности для создания разности давлений в указанных текущих средах по разные стороны противоположных сторон, где указанная разность заставляет текущие среды протекать через поры сквозь материал в поперечном направлении с одной стороны на другую сторону материала для улучшения контакта между средами, текущими с противоположных сторон материала, и для улучшения контакта с материалом в порах практически по всей поверхности материала, нанесение катализатора конверсии окисла азота на материал - на его противоположные поверхности и в его указанные поры для проведения реакции с указанными текучими средами по мере того, как поступающие среды протекают через каналы и через поры с одной стороны к противоположной стороне материала практически по всей поверхности материала, и протекание текучей среды через указанные каналы и конверсии по меньшей мере одного указанного окисла азота в протекающей среде.
2. Способ по п.1, в котором указанная структура в виде сетки имеет пористость более 90%.
3. Способ по п.1, в котором указанный по меньшей мере один окисел азота выбирают из группы, состоящей из NO, NO2 и N2O.
4. Способ по п.1, в котором стадия нанесения включает нанесение катализатора на структуру в виде сетки.
5. Способ по п.4, в котором толщина покрытия менее 30 мкм.
6. Способ по п.1, в котором стадия образования структуры в виде сетки включает формирование структуры в виде сетки из по меньшей мере одного из следующих материалов: волокнистого металла, металлокерамики или керамики.
7. Способ по п.1, в котором стадия формирования структуры в виде сетки включает формирование гофров в структуре в виде сетки, где гофры образуют указанные каналы, причем стадия формирования структуры в виде сетки включает ориентацию указанных каналов относительно друг друга для того, чтобы сформировать указанные устройства - генераторы турбулентности.
8. Способ по п.1, включающий стадии формирования структуры в виде сетки в гофрированную структуру, формирования гофрированной структуры в устройства - генераторы турбулентности и затем пропускания среды через последовательно расположенные гофрированную структуру и монолитную сотовую структуру.
9. Способ по п.1, включающий окисление по меньшей мере одного NO до NO2 и контактирование NO2 с карбонатом, бикарбонатом или гидроксидом металла, нанесенным на структуру в виде сетки, где указанная структура в виде сетки состоит из одного из следующих материалов: металла, керамики и металлокерамики и имеет пористость по меньшей мере 87%.
10. Аппарат для удаления по меньшей мере одного окисла азота из среды, включающий структуру в виде сетки из пористого материала, имеющего внутренние поры и противоположные стороны, причем средний размер пор материала является достаточно малым для того, чтобы обычно не наблюдался поток текучей среды через пористый материал при наличии пренебрежимо малой разности давлений на противоположных сторонах, указанная структура в виде сетки имеет пористость более чем примерно 85%, противоположные стороны образуют каналы, где каждый канал имеет отверстие для входа текучей среды и отверстие для выхода текучей среды, предназначенные для протекания поступающей текучей среды через каналы вдоль поверхностей материала из соответствующих входных отверстий к и через указанные выходные отверстия, поры сообщаются текучей средой друг с другом и с каналами снаружи материала с каждой из указанных сторон, при этом указанный материал включает цельные с ним устройства - генераторы турбулентности для создания разности давлений в указанных текущих средах по разные стороны названных противоположных сторон, где указанная разность заставляет текущие среды протекать через поры в поперечном направлении сквозь материал с одной стороны на другую сторону материала для улучшения контакта между средами, текущими с противоположных сторон материала, и для улучшения контакта с материалом в порах практически по всей поверхности материала, и катализатор конверсии окисла азота, нанесенный на материал - на его противоположные поверхности и в его указанные поры для проведения реакции с указанными текучими средами по мере того, как поступающие среды протекают через каналы и через поры с одной стороны к противоположной стороне материала практически по всей поверхности материала.
11. Аппарат по п.10, включающий последовательно расположенные указанную структуру в виде сетки и монолитную сотовую структуру.
12. Аппарат по п.11, в котором структура в виде сетки и монолитная структура расположены таким образом, что текучая среда вначале проходит в структуру в виде сетки, а затем в монолитную структуру.
13. Аппарат по п.10, в котором структура в виде сетки гофрирована.
14. Аппарат по п.10, в котором структура в виде сетки включает смежные гофрированные листы, где каждый лист имеет параллельные гофры, и гофры смежных листов повернуты на 90° относительно друг друга и на угол α в интервале от примерно 45° до примерно 70° к заданному направлению.
15. Аппарат по п.10, в котором структура в виде сетки является волокнистой и изготовлена из одного из следующих материалов: металлических волокон, керамических волокон или металлокерамических волокон.
16. Аппарат по п.11, в котором монолитная структура изготовлена из одного из следующих материалов: твердого керамического материала, металлических волокон, керамических волокон или металлокерамических волокон.
RU2002112985/15A 1999-10-15 2000-10-13 Конверсия окислов азота в присутствии катализатора, нанесенного на структуру в виде сетки RU2252064C2 (ru)

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EP1222016A1 (en) 2002-07-17
KR20070073993A (ko) 2007-07-10
ATE350137T1 (de) 2007-01-15
RU2252064C2 (ru) 2005-05-20
EP1754526A1 (en) 2007-02-21
NO20021745D0 (no) 2002-04-12
EP1754526B1 (en) 2010-11-24
DE60045296D1 (de) 2011-01-05
US6534022B1 (en) 2003-03-18
US6946107B2 (en) 2005-09-20
EP1222016B1 (en) 2007-01-03
WO2001028665A1 (en) 2001-04-26
CA2387561A1 (en) 2001-04-26
AU1204201A (en) 2001-04-30
DE60032782D1 (de) 2007-02-15
AU769548B2 (en) 2004-01-29
BR0014779A (pt) 2002-09-17
CN1420800A (zh) 2003-05-28
KR100814208B1 (ko) 2008-03-17
ATE489157T1 (de) 2010-12-15
CA2387561C (en) 2003-12-16
BR0014779B1 (pt) 2011-05-17
DE60032782T2 (de) 2007-11-08
NO20021745L (no) 2002-06-11
KR100840812B1 (ko) 2008-06-23
CN1187113C (zh) 2005-02-02
ES2278639T3 (es) 2007-08-16
US20030180205A1 (en) 2003-09-25
KR20020042718A (ko) 2002-06-05
JP2003512150A (ja) 2003-04-02

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