A Compact Coiled Denuder for Atmospheric Sampling

David Y.H. Pul; Charles W. Lewis; Chuen-Tinn Tsai; Benjamin Y.H. Liu

doi:10.1021/es00073a003

A Compact Coiled Denuder for Atmospheric Sampling

David Y.H. Pul^*, Charles W. Lewis, Chuen-Tinn Tsai, Benjamin Y.H. Liu

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環境工程研究所

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33 引文斯高帕斯（Scopus）

摘要

A compact coiled denuder has been designed and its performance evaluated both theoretically and experimentally. The design is based on special features of laminar flow in a curved tube, which significantly enhance the mass-transfer Sherwood number governing gas collection at the wall. At 10 standard L/min (slpm) the gas collection efficiency for SO₂, using a sodium carbonate/glycerine wall coating, was measured to be 99.3 ± 0.5%, while losses for particles in the range of 0.02–2.5-μm diameter averaged well under 5%.

原文	English
頁（從 - 到）	307-312
頁數	6
期刊	Environmental Science and Technology
卷	24
發行號	3
DOIs	https://doi.org/10.1021/es00073a003
出版狀態	Published - 1 3月 1990

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N2 - A compact coiled denuder has been designed and its performance evaluated both theoretically and experimentally. The design is based on special features of laminar flow in a curved tube, which significantly enhance the mass-transfer Sherwood number governing gas collection at the wall. At 10 standard L/min (slpm) the gas collection efficiency for SO2, using a sodium carbonate/glycerine wall coating, was measured to be 99.3 ± 0.5%, while losses for particles in the range of 0.02–2.5-μm diameter averaged well under 5%.

AB - A compact coiled denuder has been designed and its performance evaluated both theoretically and experimentally. The design is based on special features of laminar flow in a curved tube, which significantly enhance the mass-transfer Sherwood number governing gas collection at the wall. At 10 standard L/min (slpm) the gas collection efficiency for SO2, using a sodium carbonate/glycerine wall coating, was measured to be 99.3 ± 0.5%, while losses for particles in the range of 0.02–2.5-μm diameter averaged well under 5%.

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JO - Environmental Science and Technology

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IS - 3

ER -

A Compact Coiled Denuder for Atmospheric Sampling

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