Microwave sensors monitor biogas process
An
Isatec product story
Edited by the Engineeringtalk editorial team
Jun 11, 2007
HF Sensor offers a microwave based solution which has been designed specifically for use in biogas plants.
In times of global warming and ever increasing oil prices, the environmental and economical benefits of biogas and other renewable energy sources are becoming more and more important.
The digestion of the organic material to produce biogas involves many different species of naturally occurring bacteria, all doing a different job at a different step in the digestion process.
Maintaining suitable conditions in the digester is essential in maintaining a healthy bacterial population, and is an important task for the control unit.
The amount and quality of the gas produced is strongly dependent on the composition of the organic material (biomass) and its dry substance (DS) content.
In the past, monitoring the DS content has been achieved by complicated, time consuming offline methods.
HF Sensor now offers a microwave based solution which has been designed specifically for use in biogas plants.
The new microwave-based DS sensor series MWTS PP can monitor the DS content online reliably and practically free of maintenance in fermenters or tubes, and is available in different configurations for different mounting options.
Each instrument is based on an intelligent microwave sensor with an integrated micro controller and can perform noncontact measurement of DS in the range 0 to 20%.
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