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CH4 – General Information, CH4 Gas Sensors & Relevant Applications

Methane (CH4) is the simplest member of the alkane group (CnH2n+2). Discover all the info about this gas and about the CH4 sensors from Wi.Tec-Sensorik ...

Table of Contents

General information on CH4 / Methane

Methane (CH4) is the simplest member of the alkane group (CnH2n+2). Under normal conditions, it is a colorless, odorless, flammable gas. Methane is insoluble in water and forms explosive mixtures with air. It burns in the presence of oxygen to form carbon dioxide and water. It occurs naturally as the main component of natural gas, among other things. Since it exists in large quantities in deposits, it is an attractive source of energy. Methane serves as a heating gas and is used in the chemical industry as a starting material for technical syntheses.
The gas is produced in considerable quantities by biological processes and is the main component of biogas. Other sources, such as forest fires or volcanic eruptions also release methane.

Methane measurement in biogas plants

Measuring methane in biogas plants is an important process to ensure the efficiency and safety of the plant. This can be done by using a gas analyzer capable of measuring the concentration of methane in the exhaust air. An important factor when measuring methane is the accuracy of the instrument, as an inaccurate measurement can lead to misjudgements of plant performance. It is also important that the instrument is regularly maintained and calibrated to ensure that the measurements are reliable. Measuring methane is also important to ensure that the plant remains within the legal limits for greenhouse gas emissions.

Measuring methane in the air cows breathe

Methane is a greenhouse gas produced by many animals, including cows. It is produced when microorganisms in the digestive tract of animals break down organic material, releasing methane. In cows, Methane is mainly produced by the first part of the digestive tract, the rumen. The concentration of Methane in the respiratory gas of cows can be detected by NDIR measurements as part of a Methane emission study. These studies can help quantify the amount of Methane produced by cows and can help provide better estimates of global Methane emissions. Feed selection, feeding times and amount of feed have a significant impact on CH4 emissions.

CHmeasurement in natural gas

CH4 measurement is important because methane is a significant indicator of the quality of natural gas and also an important factor in the efficiency and sustainability of gas production. The CH4 content is usually measured using the NDIR method (INFRA.sens). The INFRA.sens can accurately determine the Methane content by selective IR analysis, even in the presence of other hydrocarbons (Ethane, Propane, Butane). The calorific value determination of natural gas is a measure of the energy released during the combustion of Methane. These measurements are important to monitor and regulate the quality and efficiency of natural gas production, and to minimize environmental impacts. The results of CH4 measurements can also be used to develop emission standards and regulations for natural gas production.

Gas sensors from Wi.Tec-Sensorik for the precise measurement of CH4

Overview Products and Measurement Ranges

  Measuring range (*)
  100
Vol.%
50
Vol.%
30
Vol.%
20
Vol.%
10
Vol.%
5
Vol.%
1
Vol.%
5,000
 ppm
2,000
 ppm
1,000
 ppm
500
 ppm
300
 ppm
100
 ppm
50
 ppm
10
 ppm
1
 ppm
KOMBI.sens®
INFRA.sens® AK5
INFRA.sens® AK50
INFRA.sens® AK100
INFRA.sens® AK250
INFRA.sens® AK20
INFRA.sens® AK250 TBH – high precision NDIR Gas Sensor for N2O, CH4 and CO2
(*) Full scale value (F.S.)
For other measuring ranges please refer to our further datasheets

Product Previews

Some relevant Applications to CH4

Customer Specific Projects
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  • Please contact us. Your measurement task is our challenge!
  • The employees of Wi.Tec-Sensorik GmbH have extensive expertise in the field of industrial gas measurement technology and sensor signal processing.
Your requirement is our challenge – You have a measuring task beyond the usual standards and are looking for a competent partner? Please contact us. Your measurement task is our …
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