Experimental study of photocatalytic concrete products for air purification
Air quality in inner-city areas is a topic which receives much attention nowadays but in the coming years, the overall interest on this topic will become even bigger. One major concern is caused by the reduction of the limiting values given by the European Council Directive 1999/30/EC [Relating to l...
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| Veröffentlicht in: | Building and environment 2009-12, Vol.44 (12), p.2463-2474 |
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| creator | Hüsken, G. Hunger, M. Brouwers, H.J.H. |
| description | Air quality in inner-city areas is a topic which receives much attention nowadays but in the coming years, the overall interest on this topic will become even bigger. One major concern is caused by the reduction of the limiting values given by the European Council Directive 1999/30/EC [Relating to limit values for sulphur dioxide, nitrogen dioxide and oxides of nitrogen, particulate matter and lead in ambient air. Official Journal of the European Communities 1999, L 163/41–60] and increasing traffic rates especially for diesel powered passenger cars and freight vehicles.
A promising approach for solving the problem of nitrogen oxides (NO
x
) is the photochemical conversion of nitrogen oxides to low concentrated nitrates due to heterogeneous photocatalytic oxidation (PCO) using titanium dioxide (TiO
2) as photocatalyst. A variety of products containing TiO
2 are already available on the European market and their working mechanism under laboratory conditions is proven. However, there is still a lack of transforming the experimental results obtained under laboratory conditions to practical applications considering real world conditions.
This paper presents the research conducted on photocatalytic concrete products with respect to the evaluation of air-purifying properties. The degradation process of nitric oxide (NO) under laboratory conditions is studied using a test setup for measuring the performance of photocatalytic active concrete products. The test setup uses the UV-A induced degradation of NO and is oriented on the ISO standard ISO 22197-1:2007. Besides the introduction of the test setup, a uniform measuring procedure is presented to the reader which allows for an evaluation and direct comparison of the performance of photocatalytic active concrete products. This kind of direct comparison was not possible so far. Furthermore, the results of a comparative study on varying photocatalytic concrete products of the European market will be discussed. |
| doi_str_mv | 10.1016/j.buildenv.2009.04.010 |
| format | Article |
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A promising approach for solving the problem of nitrogen oxides (NO
x
) is the photochemical conversion of nitrogen oxides to low concentrated nitrates due to heterogeneous photocatalytic oxidation (PCO) using titanium dioxide (TiO
2) as photocatalyst. A variety of products containing TiO
2 are already available on the European market and their working mechanism under laboratory conditions is proven. However, there is still a lack of transforming the experimental results obtained under laboratory conditions to practical applications considering real world conditions.
This paper presents the research conducted on photocatalytic concrete products with respect to the evaluation of air-purifying properties. The degradation process of nitric oxide (NO) under laboratory conditions is studied using a test setup for measuring the performance of photocatalytic active concrete products. The test setup uses the UV-A induced degradation of NO and is oriented on the ISO standard ISO 22197-1:2007. Besides the introduction of the test setup, a uniform measuring procedure is presented to the reader which allows for an evaluation and direct comparison of the performance of photocatalytic active concrete products. This kind of direct comparison was not possible so far. Furthermore, the results of a comparative study on varying photocatalytic concrete products of the European market will be discussed.</description><identifier>ISSN: 0360-1323</identifier><identifier>EISSN: 1873-684X</identifier><identifier>DOI: 10.1016/j.buildenv.2009.04.010</identifier><identifier>CODEN: BUENDB</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Air purification ; Applied sciences ; Atmospheric pollution ; Automobiles ; Buildings. Public works ; Concrete paving blocks ; Concretes ; Degradation ; Exact sciences and technology ; Heterogeneous photocatalysis ; Marketing ; Nitrogen oxides ; Photocatalysis ; Pollution ; Pollution sources. Measurement results ; Readers ; Sulfur dioxide ; Titanium dioxide ; Transports ; Urban development</subject><ispartof>Building and environment, 2009-12, Vol.44 (12), p.2463-2474</ispartof><rights>2009 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c551t-919083a6f60b04cfea80a3d6631fbd1013a33430a2235964e982dbba1ad247ba3</citedby><cites>FETCH-LOGICAL-c551t-919083a6f60b04cfea80a3d6631fbd1013a33430a2235964e982dbba1ad247ba3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0360132309001152$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21829690$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Hüsken, G.</creatorcontrib><creatorcontrib>Hunger, M.</creatorcontrib><creatorcontrib>Brouwers, H.J.H.</creatorcontrib><title>Experimental study of photocatalytic concrete products for air purification</title><title>Building and environment</title><description>Air quality in inner-city areas is a topic which receives much attention nowadays but in the coming years, the overall interest on this topic will become even bigger. One major concern is caused by the reduction of the limiting values given by the European Council Directive 1999/30/EC [Relating to limit values for sulphur dioxide, nitrogen dioxide and oxides of nitrogen, particulate matter and lead in ambient air. Official Journal of the European Communities 1999, L 163/41–60] and increasing traffic rates especially for diesel powered passenger cars and freight vehicles.
A promising approach for solving the problem of nitrogen oxides (NO
x
) is the photochemical conversion of nitrogen oxides to low concentrated nitrates due to heterogeneous photocatalytic oxidation (PCO) using titanium dioxide (TiO
2) as photocatalyst. A variety of products containing TiO
2 are already available on the European market and their working mechanism under laboratory conditions is proven. However, there is still a lack of transforming the experimental results obtained under laboratory conditions to practical applications considering real world conditions.
This paper presents the research conducted on photocatalytic concrete products with respect to the evaluation of air-purifying properties. The degradation process of nitric oxide (NO) under laboratory conditions is studied using a test setup for measuring the performance of photocatalytic active concrete products. The test setup uses the UV-A induced degradation of NO and is oriented on the ISO standard ISO 22197-1:2007. Besides the introduction of the test setup, a uniform measuring procedure is presented to the reader which allows for an evaluation and direct comparison of the performance of photocatalytic active concrete products. This kind of direct comparison was not possible so far. Furthermore, the results of a comparative study on varying photocatalytic concrete products of the European market will be discussed.</description><subject>Air purification</subject><subject>Applied sciences</subject><subject>Atmospheric pollution</subject><subject>Automobiles</subject><subject>Buildings. Public works</subject><subject>Concrete paving blocks</subject><subject>Concretes</subject><subject>Degradation</subject><subject>Exact sciences and technology</subject><subject>Heterogeneous photocatalysis</subject><subject>Marketing</subject><subject>Nitrogen oxides</subject><subject>Photocatalysis</subject><subject>Pollution</subject><subject>Pollution sources. Measurement results</subject><subject>Readers</subject><subject>Sulfur dioxide</subject><subject>Titanium dioxide</subject><subject>Transports</subject><subject>Urban development</subject><issn>0360-1323</issn><issn>1873-684X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkUtr3DAUhUVpodO0f6F405KNnavHyNauIaRNSCCbFroT13pQDY7lSnLo_PtqmCTLZHXh8p37OIeQzxQ6ClSe7bpxDZN180PHAFQHogMKb8iGDj1v5SB-vyUb4BJayhl_Tz7kvIMqVFxsyM3lv8WlcO_mglOTy2r3TfTN8ieWaLD29iWYxsTZJFdcs6RoV1Ny42NqMKRmWVPwoZIhzh_JO49Tdp8e6wn59f3y58VVe3v34_ri_LY12y0traIKBo7SSxhBGO9wAORWSk79aOtLHDkXHJAxvlVSODUwO45I0TLRj8hPyNfj3HrN39Xlou9DNm6acHZxzZqLYcvkQF8FGfQ9cHEAT18Ead_3tJ4DqqLyiJoUc07O66Xah2mvKehDHnqnn_LQhzw0CF3zqMIvjzswG5x8wtmE_KxmdGBKqgP37ci5auFDcElnE9xsnA3JmaJtDK-t-g-y9KSS</recordid><startdate>20091201</startdate><enddate>20091201</enddate><creator>Hüsken, G.</creator><creator>Hunger, M.</creator><creator>Brouwers, H.J.H.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SU</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>KR7</scope><scope>7ST</scope><scope>7TV</scope><scope>SOI</scope></search><sort><creationdate>20091201</creationdate><title>Experimental study of photocatalytic concrete products for air purification</title><author>Hüsken, G. ; Hunger, M. ; Brouwers, H.J.H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c551t-919083a6f60b04cfea80a3d6631fbd1013a33430a2235964e982dbba1ad247ba3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Air purification</topic><topic>Applied sciences</topic><topic>Atmospheric pollution</topic><topic>Automobiles</topic><topic>Buildings. 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Measurement results</topic><topic>Readers</topic><topic>Sulfur dioxide</topic><topic>Titanium dioxide</topic><topic>Transports</topic><topic>Urban development</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hüsken, G.</creatorcontrib><creatorcontrib>Hunger, M.</creatorcontrib><creatorcontrib>Brouwers, H.J.H.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environmental Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Environment Abstracts</collection><collection>Pollution Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Building and environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hüsken, G.</au><au>Hunger, M.</au><au>Brouwers, H.J.H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Experimental study of photocatalytic concrete products for air purification</atitle><jtitle>Building and environment</jtitle><date>2009-12-01</date><risdate>2009</risdate><volume>44</volume><issue>12</issue><spage>2463</spage><epage>2474</epage><pages>2463-2474</pages><issn>0360-1323</issn><eissn>1873-684X</eissn><coden>BUENDB</coden><abstract>Air quality in inner-city areas is a topic which receives much attention nowadays but in the coming years, the overall interest on this topic will become even bigger. 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A promising approach for solving the problem of nitrogen oxides (NO
x
) is the photochemical conversion of nitrogen oxides to low concentrated nitrates due to heterogeneous photocatalytic oxidation (PCO) using titanium dioxide (TiO
2) as photocatalyst. A variety of products containing TiO
2 are already available on the European market and their working mechanism under laboratory conditions is proven. However, there is still a lack of transforming the experimental results obtained under laboratory conditions to practical applications considering real world conditions.
This paper presents the research conducted on photocatalytic concrete products with respect to the evaluation of air-purifying properties. The degradation process of nitric oxide (NO) under laboratory conditions is studied using a test setup for measuring the performance of photocatalytic active concrete products. The test setup uses the UV-A induced degradation of NO and is oriented on the ISO standard ISO 22197-1:2007. Besides the introduction of the test setup, a uniform measuring procedure is presented to the reader which allows for an evaluation and direct comparison of the performance of photocatalytic active concrete products. This kind of direct comparison was not possible so far. Furthermore, the results of a comparative study on varying photocatalytic concrete products of the European market will be discussed.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.buildenv.2009.04.010</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Air purification Applied sciences Atmospheric pollution Automobiles Buildings. Public works Concrete paving blocks Concretes Degradation Exact sciences and technology Heterogeneous photocatalysis Marketing Nitrogen oxides Photocatalysis Pollution Pollution sources. Measurement results Readers Sulfur dioxide Titanium dioxide Transports Urban development |
| title | Experimental study of photocatalytic concrete products for air purification |
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