A compact coiled denuder for atmospheric sampling
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...
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| Veröffentlicht in: | Environmental science & technology 1990-03, Vol.24 (3), p.307-312 |
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| creator | Pui, David Y. H Lewis, Charles W Tsai, Chuen Jinn Liu, Benjamin Y. H |
| description | 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 SO sub(2), using a sodium carbonate/glycerine wall coating, was measured to be 99.3 plus or minus 0.5%, while losses for particles in the range of 0.02-2.5- mu m diameter averaged well under 5%. |
| doi_str_mv | 10.1021/es00073a003 |
| format | Article |
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At 10 standard L/min (slpm) the gas collection efficiency for SO sub(2), using a sodium carbonate/glycerine wall coating, was measured to be 99.3 plus or minus 0.5%, while losses for particles in the range of 0.02-2.5- mu m diameter averaged well under 5%.</description><subject>01 COAL, LIGNITE, AND PEAT</subject><subject>010900 - Coal, Lignite, & Peat- Environmental Aspects</subject><subject>540120 - Environment, Atmospheric- Chemicals Monitoring & Transport- (1990-)</subject><subject>AIR POLLUTION MONITORS</subject><subject>AIR SAMPLERS</subject><subject>ALKALI METAL COMPOUNDS</subject><subject>CARBON COMPOUNDS</subject><subject>CARBONATES</subject><subject>CHALCOGENIDES</subject><subject>DESIGN</subject><subject>ENVIRONMENTAL SCIENCES</subject><subject>GAS ANALYSIS</subject><subject>MEASURING INSTRUMENTS</subject><subject>MONITORS</subject><subject>OXIDES</subject><subject>OXYGEN COMPOUNDS</subject><subject>PARTICLES</subject><subject>SAMPLERS</subject><subject>SODIUM CARBONATES</subject><subject>SODIUM COMPOUNDS</subject><subject>SULFUR COMPOUNDS</subject><subject>SULFUR DIOXIDE</subject><subject>SULFUR OXIDES</subject><issn>0013-936X</issn><issn>1520-5851</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1990</creationdate><recordtype>article</recordtype><recordid>eNpt0E9LwzAABfAgCs7pyS9QPOhBqvnTpMlxDHWK4MAp3kKWJq6zbWqSgn57IxXx4Oldfjx4D4BjBC8QxOjSBAhhSRSEZAdMEMUwp5yiXTCBEJFcEPayDw5C2CaGCeQTgGaZdm2vdExZN6bKKtMNlfGZdT5TsXWh3xhf6yyotm_q7vUQ7FnVBHP0k1PwdH21mi_y-4eb2_nsPldE0JhXglskipJookVRrAlWCJdVxSqk17aymApCUKE4WWulMeMCWkQYxxxjTqklU3Ay9roQaxl0HY3eaNd1RkdJC8aLUiR0OqLeu_fBhCjbOmjTNKozbggSUUoZFCjB8xFq70Lwxsre163ynxJB-f2d_PNd0vmo6xDNxy9V_k2ykpRUrpaPclEs2V0aKJ-TPxu90kFu3eC79My_zV-JYnqg</recordid><startdate>19900301</startdate><enddate>19900301</enddate><creator>Pui, David Y. 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H</creatorcontrib><creatorcontrib>Lewis, Charles W</creatorcontrib><creatorcontrib>Tsai, Chuen Jinn</creatorcontrib><creatorcontrib>Liu, Benjamin Y. H</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Pollution Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>OSTI.GOV</collection><jtitle>Environmental science & technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pui, David Y. H</au><au>Lewis, Charles W</au><au>Tsai, Chuen Jinn</au><au>Liu, Benjamin Y. H</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A compact coiled denuder for atmospheric sampling</atitle><jtitle>Environmental science & technology</jtitle><addtitle>Environ. Sci. Technol</addtitle><date>1990-03-01</date><risdate>1990</risdate><volume>24</volume><issue>3</issue><spage>307</spage><epage>312</epage><pages>307-312</pages><issn>0013-936X</issn><eissn>1520-5851</eissn><abstract>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 SO sub(2), using a sodium carbonate/glycerine wall coating, was measured to be 99.3 plus or minus 0.5%, while losses for particles in the range of 0.02-2.5- mu m diameter averaged well under 5%.</abstract><cop>United States</cop><pub>American Chemical Society</pub><doi>10.1021/es00073a003</doi><tpages>6</tpages></addata></record> |
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| identifier | ISSN: 0013-936X |
| ispartof | Environmental science & technology, 1990-03, Vol.24 (3), p.307-312 |
| issn | 0013-936X 1520-5851 |
| language | eng |
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| source | American Chemical Society Journals |
| subjects | 01 COAL, LIGNITE, AND PEAT 010900 - Coal, Lignite, & Peat- Environmental Aspects 540120 - Environment, Atmospheric- Chemicals Monitoring & Transport- (1990-) AIR POLLUTION MONITORS AIR SAMPLERS ALKALI METAL COMPOUNDS CARBON COMPOUNDS CARBONATES CHALCOGENIDES DESIGN ENVIRONMENTAL SCIENCES GAS ANALYSIS MEASURING INSTRUMENTS MONITORS OXIDES OXYGEN COMPOUNDS PARTICLES SAMPLERS SODIUM CARBONATES SODIUM COMPOUNDS SULFUR COMPOUNDS SULFUR DIOXIDE SULFUR OXIDES |
| title | A compact coiled denuder for atmospheric sampling |
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