Gas Sensor Projects of the Swiss Gas industry Research, Development and Promotion Foundation of the Swiss Gas Industry FOGA Dr. P. Favre, Cosvegaz M. Seifert, SVGW

FOGA-Foundation of the Swiss Gas Industry FOGA = Research, Development and Promotion Foundation of the Swiss Gas Industry Founded in 1994 Continous support of gas research and development projects ever since Contributions to more than 140 natural gas or biogas related projects of research institutions, technical universities and industries Total financial subsidies: 18 Mio. Euros, total project value: 25 Million Euros. Schweizerischer Verein des Gas- und Wasserfaches (SVGW) 08.07.2013

Sensor and Related Activities

FOGA-Activities in the field of Sensor and Control Systems 1999: Project for emission control of draught burners in combination with boilers: CO2-, O2-, CO-exhaust gas sensing together with Honeywell-Lamtec. 2003: Swissmotor-Project: optimization of an IC engine for cogeneration applications (100 kWel, 230 kWth, eta = 42%);closed loop control of air fuel ratio with lambda sensor and gas quality sensor. 1997: First gas sensor project with a thermal conductivity sensor:Experimental determination of the linear relationship between % CH4 and natural gas thermal conductivity for certain gas families. 2008 Project Qualigaz:online natural gas quality micro-system: Wobbe-Index sensing system with thermal conductivity and viscosity sensor (combined). 2012: GasQsens: Thermal conductivity sensor for a wide variety of gas quality designation parameters

Main Principle of Gas Sensing C-MOS Technology Thermal Flow Sensors

Signal Amplification and Signal Conditioning/Analysis Noise filtering Linearization Correlation Schweizerischer Verein des Gas- und Wasserfaches (SVGW) 08.07.2013

Sensor performance Highly reproducible Accurate Resistant Wide temperature range Adapted packaging for different pressure ranges ATEX certified Stable, easy recalibration Schweizerischer Verein des Gas- und Wasserfaches (SVGW) 08.07.2013

Sensor Configurations Compact, packaged micro sensors Integrated signal processing Thermal conductivity-, capacitive pressure-, micro-temperature- sensors

Applications of Sensor Technology in Biogas Upgrading Replacement of complicated optical analyzers in different parts of the biogas plant and upgrading installation On line: CH4-, CO2-, NDIR- Measurements O2-Sensor Odorisation: Concentration Monitoring Periodic: H2S-Sensor Datalogger

Applications of Sensor Technology in Engines

Applications of Sensor Technology: Monitoring of Renewable Gases in the Natural Gas Grid 1. Power to Hydogen: Hydrogen injection into the national gas grid: - measurement of Hydrogen in natural gas - Hydrogen purity measurements after upgrading 2. Power to Gas: Methane and Hydrogen concentration measurements 3. Wood gas methanisation: Methane, Hydrogen, CO and CO2 concentration measurements

Microelectronic Gas Sensors Great potential in different segments of the natural gas chain Physical or physico-chemical measurement principles Cheap, reliable, compact, battery powered Gas Quality change indicators

Future Gas Sensor Projects of the Swiss Gas Industry GasQsens Project: Reliable microelectronic gas quality sensor for different applications in the gas industry: MEMS AG Cooperation with the technical universities, testing laboratories, industrial partners and gas distribution companies