Temperature Control Monitoring System Home>Resources>Case Studies>Vadose Zone Temperature Monitoring An Architectural and Engineering (A&E) firm was contracted to design a system that would help accelerate decomposition of waste materials in landfills. Pumping air into the vadose zone will help accelerate decomposition of waste. (vadose zone is the area between a ground surface and the water table.) By-products of accelerated decomposition are heat and the potential for spontaneous combustion. The A&E needed a control panel monitoring and alarm system that would shut down the air compressors and provide alarm signals in the event of an over temperature condition. Our Solution: Durex's process control panel team designed a programmable logic control (PLC) based monitoring and alarm system.

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