Air Quality Monitoring in Stuttgart

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Information about Air Quality Monitoring in Stuttgart
Technology

Published on February 26, 2014

Author: devanshsharma5

Source: slideshare.net

Description

Air quality monitors were installed in the University area of Stuttgart, and some analyses were made with the collected data.
The current weather data is already online and can be found at
http://lhg-503.iws.uni-stuttgart.de/html/meteo/

Institute of Combustion and Power Plant Technology Prof. Dr. techn. G. Scheffknecht Installation and Operation of Ambient Air Monitors in Stuttgart-Lauchäcker Monitoring Station Student Research Project Devansh Sharma WASTE Generation 2011

Objective of the study • • • To repair, install and bring into operation three different Air Quality Monitoring Instruments At the existing Measurement Station in Lauchäcker, Vaihingen And to set up the online data transfer system to IFK 2

Site of the Station [www.uni-stuttgart.de] 3

Measurement Station site on Satellite Image [www.maps.google.com] 4

List of Existing Sensors operated by Institut für Wasser- und Umweltsystemmodellierung Anemometer (Wind propelled) Anemometer (Ultrasonic) Thermometer Hygrometer Actinometer Rain Gauge Micro Rain Radar Barometer Soil Thermometer Soil Moisture Probe Soil Heat Flux Sensor 5

Photo of the Measurement Station 6

Pollutant Monitors Compund Principle Analyzer Type Range Standards/Literature NOX Chemiluminiscence HORIBA APNA 350E 0 - 500 ppb EN 14211 CO NDIR HORIBA APMA 360 0 - 10 ppm EN 14626 O3 UV absorption Thermo 49C O3 Analzyer 0 - 10 ppm EN 14625 7

Bring Instrument into operation: NOX (NO+NO2) • • • • • • Build 1996 Instrument had to be tested and showed problems FI blown due to current leak Power supply board replaced at HLUG UV Lamp power went down in testing phase Replaced at IFK, from the spare parts instrument 8

Bring Instrument into operation: CO • • • Build 2003 Donation of HLUG Was calibrated when picked up for zero point, span and calibration settings 9

Bring Instrument into operation: O3 • • • • • • • • Had to be changed twice Donation of UBA Only digital output was available Analog output was installed with help of HLUG Battery died out, settings lost Replaced by Thermo Instrument Output wasn‘t potential free Separation Amplifier was installed 10

Flow diagram from the Setup 11

Photo from the Setup With the old Ozone Monitor PC O3 NOX CO 12

Data acquisition: EasyComp Software setup 13

Data Transfer using Teamviewer Teamviewer is a propreitary software which have two basic functionalities: 1. Online file transfer 2. Remote PC control 14

Sample results of some measurements Date/Time 01.10.2013 00:01 01.10.2013 00:02 01.10.2013 00:03 01.10.2013 00:04 01.10.2013 00:05 01.10.2013 00:06 01.10.2013 00:07 01.10.2013 00:08 01.10.2013 00:09 01.10.2013 00:10 01.10.2013 00:11 01.10.2013 00:12 01.10.2013 00:13 01.10.2013 00:14 01.10.2013 00:15 01.10.2013 00:16 01.10.2013 00:17 01.10.2013 00:18 01.10.2013 00:19 01.10.2013 00:20 01.10.2013 00:21 01.10.2013 00:22 01.10.2013 00:23 01.10.2013 00:24 01.10.2013 00:25 01.10.2013 00:26 01.10.2013 00:27 01.10.2013 00:28 01.10.2013 00:29 01.10.2013 00:30 NOx 1 min Average ppb 65,2 64,1 64,8 65,2 63,4 61,3 57,2 54,9 52,6 52,5 50,6 47,6 47,1 46 45,7 47,1 47,9 47,2 47,6 46,8 47,7 47,7 45,5 45,5 47,9 47,6 46,6 46 46 46,6 NO 1 min Average ppb 36,7 36,1 36,8 36,7 35,3 33,2 31,1 29,4 28,1 28,6 27,9 25,8 25,7 26,3 25,2 25 24,8 24,4 24,6 24 24,6 24,8 23,2 23,6 25,3 26,1 26,4 24,8 24,4 24,2 CO 1 min Average ppm 0,22 0,22 0,24 0,22 0,23 0,23 0,23 0,23 0,21 0,21 0,21 0,22 0,2 0,21 0,23 0,22 0,21 0,21 0,2 0,22 0,23 0,22 0,21 0,21 0,21 0,21 0,21 0,22 0,2 0,22 O3 1 min Average ppb 1,1 1,2 0,9 0,9 1,1 1,1 1,2 1,2 0,9 1,1 0,9 1,1 0,9 1,2 1,1 1,1 1 1 1,1 1,2 1 1 0,9 1 1 1,2 1,1 1,1 1,1 1,2 Date/Time 01.10.2013 00:00 01.10.2013 00:30 01.10.2013 01:00 01.10.2013 01:30 01.10.2013 02:00 01.10.2013 02:30 01.10.2013 03:00 01.10.2013 03:30 01.10.2013 04:00 01.10.2013 04:30 01.10.2013 05:00 01.10.2013 05:30 01.10.2013 06:00 01.10.2013 06:30 01.10.2013 07:00 01.10.2013 07:30 01.10.2013 08:00 01.10.2013 08:30 01.10.2013 09:00 01.10.2013 09:30 01.10.2013 10:00 01.10.2013 10:30 01.10.2013 11:00 01.10.2013 11:30 01.10.2013 12:00 NOx 30minAverage ppb 51,6 51,4 68,4 40,4 24,5 21,8 32 36,8 44,9 53,3 63,3 57,4 46,9 41,3 75,9 84,8 68,2 73 55,8 83,6 86,3 82,7 85,2 73,8 71,2 NO 30minAverage ppb 26,7 27,8 41,7 20,8 10,3 7,9 15,2 19,8 23,3 30,3 40 36,7 30,4 28 53,7 55,5 41,4 44,9 32,2 53,4 55,6 52,7 53,1 43,2 42,1 CO 30minAverage ppm 0,22 0,22 0,24 0,19 0,16 0,15 0,17 0,18 0,17 0,17 0,18 0,17 0,18 0,18 0,29 0,31 0,24 0,23 0,2 0,27 0,26 0,25 0,26 0,24 0,25 O3 30minAverage ppb 1 1,1 1,2 1,3 1,3 1,2 1,1 1,1 1,1 1,1 1,1 1,1 1,2 1,1 1,1 1,2 1,1 1,1 1,1 1,1 1,1 1,1 1,2 1,1 1,1 15

Sample results for two days of measurement -1 250 20 NOX 18 16 NO 14 150 12 10 100 O3 8 O3 Conc in ppb NOX , NO Conc in ppb 200 6 50 4 2 0 0 01.10.2013 02.10.2013 Time 16

250 20 18 16 14 12 10 8 6 4 2 0 NOX 200 NO 150 100 O3 50 0 O3 Conc in ppb NOX , NO Conc in ppb Sample results for two days of measurement -2 CO Conc in ppm 0.5 CO 0.4 0.3 0.2 0.1 0 01.10.2013 02.10.2013 Time 18

Pollutant Wind Roses (October data average) NO/NO2 Conc in ppb NNW 50 40 NW 30 20 WNW 10 W 0 WSW N NNE NE ENE E ESE NO2 SW SSW SE SSE NO S 19

NOX vs Wind speed for October 20

O3 vs Wind speed for October 21

NOX vs Overall Radiation Balance 22

Conclusions • • • • • The ambient air quality monitors were repaired and installed Brought into operation with data acquisition Results from pollution and meteorological parameters put together for analysis Further work could be done after the instruments are calibrated and operating continuously Data transfer and plotting can be automated, and the results can be made available on the institute website [Campus Wetter (Stuttgart-Vaihingen)] 23

THE END 24

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