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Moisture Analyser Goes “Green” – Biogas Application in Germany

Amid a growing concern over global warming, the development of commercially viable sources of renewable and carbon neutral energy is gaining ground. There are several technologies, each with different efficiencies.

One method is the production of biogas in a fermenting reactor. Biogas is a mixture of gases that is produced through the microbial digestion of organic substance (called substrate) such as energy crops and manure in the absence of oxygen. Germany reports some 4,000 operational biogas plants across the country.

Knowledge about the composition of the biomass material allows for better control of the whole fermenting process. An important parameter is substrate control of the organic solid content. This information will allow the system operator to optimise the fermenting process for the maximum biogas output. In addition, due to the rising cost of energy crops, the operator of a biogas plant has a vital interest in the content of organic material as well as the amount of water bound to it.

A typical method to measure solid content is the use of a moisture analyser which utilises a precision weighing balance combined with a temperature controlled heating system. This combination measures loss in weight of a sample to determine moisture or solid content. The method is quick, precise, easy to operate and economical.

A&D Company produces a range of moisture analysers which utilise our patented SHS weighing sensor technology and SRA heating system, which results in quick measurements and excellent repeatability from a small sample size. The measurement result can be displayed as either wet or dry content. And for further detailed analysis of your drying process, our WinCT-Moisture software adds a new dimension to your measurements.

Features & Benefits

• Selection of four models – MS-70, MX-50, MF-50 & ML-50
• Superior repeatability with SHS (Super Hybrid Sensor) weighing sensor technology
• Fast and uniform heating with halogen lamp and SRA (Secondary Radiation Assist) thermal system
• Graphical display & data collection with WinCT Moisture software
• RsTemp Optimal Temperature Search software
• Selectable heating modes – standard, automatic, timer and manual modes
• Clear and easy-to-see, large VFD display
• Easy & low cost maintenance

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