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| Constant Weight Conditions of Glass Fiber Filter Cartridge for Low Concentration Particulate Matter Detection |
| Tianjin cement Industry Design & Research Institute Co., Ltd. |
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Abstract When using glass fiber filter cartridge as relatively high-temperature particulate matter collection material in ultra-low emission flue gas monitoring, the detection results of particulate matter concentration may be inaccurate or negative. Selecting the same batch of filter cartridges for parallel experiments, the weight loss of glass fiber filter cartridges under different temperatures and cooling conditions were studied and the reasons for influencing the constant weight of filter cartridges were analyzed. The results showed that drying time, drying temperature and storage environment may influence the constant weight of filter cartridges. Based on the above, the feasible pretreatment method of filter cartridges was proposed.
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Received: 20 March 2021
Published: 22 September 2021
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