A test gas generation system for complex gas mixtures designed to mimic real industrial gas matrices with traces raging from low pptv to high ppmv level and minor and main components ranging from low to high percentage levels with variable relative humidity levels (0–80 % RH) is presented. It combines different gas generation methods to study fragmentation patterns under controlled conditions by means of a proton transfer reaction time‐of‐flight mass spectrometer, the application of alternative feedstocks in catalytic processes as well as the performance of gas purification and conditioning processes.
This paper describes a new BioElectro TM process, which is able to sterilize biosolids in less than two hours at a low cost. The process was proven on anaerobically digested biosolids, where DC electric field coupled with enhancement agents inactivated Clostridium perfringens spores reaching log 9 reduction. It was concluded that presence of unionized ammonia molecule along with the elevated temperature generated due to exothermic reaction within the system generate multiple stressors that may sterilize biosolids. The process is ready to be used in batch and continue flow systems.
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