Presentation is loading. Please wait.

Presentation is loading. Please wait.

ENAC-SSIE Laboratoire de Pollution de l'Air. O 2 + h →O + O O + O 2 + M→O 3 + M In the stratosphere (U.V. radiation): NO 2 + h →NO + O O + O 2 + M→O 3.

Published by Modified over 9 years ago

Similar presentations

Presentation on theme: "ENAC-SSIE Laboratoire de Pollution de l'Air. O 2 + h →O + O O + O 2 + M→O 3 + M In the stratosphere (U.V. radiation): NO 2 + h →NO + O O + O 2 + M→O 3."— Presentation transcript:

1 ENAC-SSIE Laboratoire de Pollution de l'Air

2 O 2 + h →O + O O + O 2 + M→O 3 + M In the stratosphere (U.V. radiation): NO 2 + h →NO + O O + O 2 + M→O 3 + M In the troposphere (visible radiation): Ozone Formation NO 2 + O 2 + h ↔NO + O 3

3 ENAC-SSIE Laboratoire de Pollution de l'Air

4 Hydrocarbons C H CC C H H H H H H H H H C H H H H C H C C C H H H H H H H Methane Alcane Alcene Aromatic C C H H H H H H C C C C

5 ENAC-SSIE Laboratoire de Pollution de l'Air

6

7

8 NO 2 + O 2 + h ↔NO + O 3 OH + RH + O 2 → H 2 O + RO 2 RO 2 + NO→ NO 2 + RHO + HO 2 HO 2 + NO→ NO 2 + OH OH + NO 2 → HNO 3 Ozone Formation Photochemical equilibrium Competition

9 ENAC-SSIE Laboratoire de Pollution de l'Air

10

11

Download ppt "ENAC-SSIE Laboratoire de Pollution de l'Air. O 2 + h →O + O O + O 2 + M→O 3 + M In the stratosphere (U.V. radiation): NO 2 + h →NO + O O + O 2 + M→O 3."

Similar presentations

Atmospheric chemistry

Atmospheric chemistry
5-2. OZONE LAYER 5-1-1. Formation of Ozone Layer  Ozone layer: A part of stratosphere (ca. 20km high) in which ozone concentration is relatively high.

5-2. OZONE LAYER Formation of Ozone Layer  Ozone layer: A part of stratosphere (ca. 20km high) in which ozone concentration is relatively high.
Air Pollution-Tropospheric Ozone. Good Ozone and Bad Ozone Stratospheric ozone protect lives on Earth from harmful effects of UV radiation. Tropospheric.

Air Pollution-Tropospheric Ozone. Good Ozone and Bad Ozone Stratospheric ozone protect lives on Earth from harmful effects of UV radiation. Tropospheric.
Chemistry in the Atmosphere Chapter 17 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

Chemistry in the Atmosphere Chapter 17 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
1/03/09 De 89 à 98. 1/03/09 De 89 à 98 1/03/09 De 89 à 98.

1/03/09 De 89 à 98. 1/03/09 De 89 à 98 1/03/09 De 89 à 98.
ENAC-SSIE Laboratoire de Pollution de l'Air The energy Consumption is a Consequence of the Industrial Development 1860188019001920194019601980 0.0 1.0.

ENAC-SSIE Laboratoire de Pollution de l'Air The energy Consumption is a Consequence of the Industrial Development
ENAC-SSIE Laboratoire de Pollution de l'Air Bogotá air quality Colombia, 2003.

ENAC-SSIE Laboratoire de Pollution de l'Air Bogotá air quality Colombia, 2003.
ENAC-SSIE Laboratoire de Pollution de l'Air Model Strategies Simplify the equations Find an analytical solution Keep the equations Simplify the resolution.

ENAC-SSIE Laboratoire de Pollution de l'Air Model Strategies Simplify the equations Find an analytical solution Keep the equations Simplify the resolution.
METO 621 Lesson 24. The Troposphere In the Stratosphere we had high energy photons so that oxygen atoms and ozone dominated the chemistry. In the troposphere.

METO 621 Lesson 24. The Troposphere In the Stratosphere we had high energy photons so that oxygen atoms and ozone dominated the chemistry. In the troposphere.
METO 637 Lesson 14. Photochemical chain initiation In the troposphere several species are present that absorb solar ultraviolet radiation and can initiate.

METO 637 Lesson 14. Photochemical chain initiation In the troposphere several species are present that absorb solar ultraviolet radiation and can initiate.
1 Air Pollution and Atmospheric Chemistry Sasha Madronich Atmospheric Chemistry Division National Center for Atmospheric Research Boulder, Colorado USA.

1 Air Pollution and Atmospheric Chemistry Sasha Madronich Atmospheric Chemistry Division National Center for Atmospheric Research Boulder, Colorado USA.
METO 621 Lesson 24. The Troposphere In the Stratosphere we had high energy photons so that oxygen atoms and ozone dominated the chemistry. In the troposphere.

METO 621 Lesson 24. The Troposphere In the Stratosphere we had high energy photons so that oxygen atoms and ozone dominated the chemistry. In the troposphere.
This Week—Tropospheric Chemistry READING: Chapter 11 of text Tropospheric Chemistry Data Set Analysis.

This Week—Tropospheric Chemistry READING: Chapter 11 of text Tropospheric Chemistry Data Set Analysis.
ENAC-SSIE Laboratoire de Pollution de l'Air The Atmospheric Layers.

ENAC-SSIE Laboratoire de Pollution de l'Air The Atmospheric Layers.
OZONE ATMOSPHERIC POLLUTION Ozone in urban smog J (Hans) van Leeuwen.

OZONE ATMOSPHERIC POLLUTION Ozone in urban smog J (Hans) van Leeuwen.
Atmospheric chemistry Day 4 Air pollution Regional ozone formation.

Atmospheric chemistry Day 4 Air pollution Regional ozone formation.
Environmental Chemistry Chapter 3: The Detailed Chemistry of the Atmosphere Copyright © 2007 DBS.

Environmental Chemistry Chapter 3: The Detailed Chemistry of the Atmosphere Copyright © 2007 DBS.
Typical mixing ratios for some compounds of environmental importance.

Typical mixing ratios for some compounds of environmental importance.
Introduction to Photochemistry Marin Robinson Department of Chemistry Northern Arizona University.

Introduction to Photochemistry Marin Robinson Department of Chemistry Northern Arizona University.
QUESTIONS 1.If CO emission to the atmosphere were to double, would you expect CO concentrations to (a) double, (b) less than double, (c) more than double?

QUESTIONS 1.If CO emission to the atmosphere were to double, would you expect CO concentrations to (a) double, (b) less than double, (c) more than double?

Similar presentations

Ads by Google