Nitrate and bromate removal by autotrophic and heterotrophic denitrification processes: batch experiments
The effects of various parameters on bromate reduction were tested using lab-scale batch reactors with sulfur based autotrophic and methanol based heterotrophic denitrification processes. The initial bromate (BrO 3 – ) concentration of 100 and 500 μg/L was completely reduced and bromide (Br - ) was...
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| Veröffentlicht in: | Journal of environmental health science and engineering 2013-12, Vol.11 (1), p.27-27, Article 27 |
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| creator | Demirel, Sevgi Bayhan, Ibrahim |
| description | The effects of various parameters on bromate reduction were tested using lab-scale batch reactors with sulfur based autotrophic and methanol based heterotrophic denitrification processes. The initial bromate (BrO
3
–
) concentration of 100 and 500 μg/L was completely reduced and bromide (Br
-
) was produced stoichiometrically from bromate in all batch reactors. In all experiments, nitrate was completely reduced to below detection limit. Kinetic studies showed that the sulfur-based autotrophic nitrate reduction rate increased with increasing initial nitrate concentration. At stoichiometrically sufficient methanol concentration as an external carbon source, nitrate and bromate were reduced to below US EPA drinking water limits in heterotrophic denitrification conditions. The methanol was completely depleted at the end of the heterotrophic operation conditions. |
| doi_str_mv | 10.1186/2052-336X-11-27 |
| format | Article |
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3
–
) concentration of 100 and 500 μg/L was completely reduced and bromide (Br
-
) was produced stoichiometrically from bromate in all batch reactors. In all experiments, nitrate was completely reduced to below detection limit. Kinetic studies showed that the sulfur-based autotrophic nitrate reduction rate increased with increasing initial nitrate concentration. At stoichiometrically sufficient methanol concentration as an external carbon source, nitrate and bromate were reduced to below US EPA drinking water limits in heterotrophic denitrification conditions. The methanol was completely depleted at the end of the heterotrophic operation conditions.</description><identifier>ISSN: 2052-336X</identifier><identifier>EISSN: 2052-336X</identifier><identifier>DOI: 10.1186/2052-336X-11-27</identifier><identifier>PMID: 24354945</identifier><language>eng</language><publisher>London: BioMed Central</publisher><subject>Bromates ; Carbon ; Chemical properties ; Denitrification ; Drinking water ; Earth and Environmental Science ; Environment ; Environmental Economics ; Environmental Engineering/Biotechnology ; Environmental Health ; Environmental Law/Policy/Ecojustice ; Experiments ; Measurement ; Methanol ; Methods ; Nitrates ; Purification ; Quality of Life Research ; Reactors ; Research Article ; Waste Management/Waste Technology ; Water</subject><ispartof>Journal of environmental health science and engineering, 2013-12, Vol.11 (1), p.27-27, Article 27</ispartof><rights>Demirel and Bayhan; licensee BioMed Central Ltd. 2013</rights><rights>COPYRIGHT 2013 BioMed Central Ltd.</rights><rights>Copyright BioMed Central Dec 2013</rights><rights>Copyright © 2013 Demirel and Bayhan; licensee BioMed Central Ltd. 2013 Demirel and Bayhan; licensee BioMed Central Ltd.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c459t-5296698165088eb309e967093d2e7e579f7d343fe8ab7314da68099e16e208a23</citedby><cites>FETCH-LOGICAL-c459t-5296698165088eb309e967093d2e7e579f7d343fe8ab7314da68099e16e208a23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3878234/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3878234/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,315,729,782,786,887,27931,27932,41495,42564,51326,53798,53800</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24354945$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Demirel, Sevgi</creatorcontrib><creatorcontrib>Bayhan, Ibrahim</creatorcontrib><title>Nitrate and bromate removal by autotrophic and heterotrophic denitrification processes: batch experiments</title><title>Journal of environmental health science and engineering</title><addtitle>J Environ Health Sci Engineer</addtitle><addtitle>J Environ Health Sci Eng</addtitle><description>The effects of various parameters on bromate reduction were tested using lab-scale batch reactors with sulfur based autotrophic and methanol based heterotrophic denitrification processes. The initial bromate (BrO
3
–
) concentration of 100 and 500 μg/L was completely reduced and bromide (Br
-
) was produced stoichiometrically from bromate in all batch reactors. In all experiments, nitrate was completely reduced to below detection limit. Kinetic studies showed that the sulfur-based autotrophic nitrate reduction rate increased with increasing initial nitrate concentration. At stoichiometrically sufficient methanol concentration as an external carbon source, nitrate and bromate were reduced to below US EPA drinking water limits in heterotrophic denitrification conditions. The methanol was completely depleted at the end of the heterotrophic operation conditions.</description><subject>Bromates</subject><subject>Carbon</subject><subject>Chemical properties</subject><subject>Denitrification</subject><subject>Drinking water</subject><subject>Earth and Environmental Science</subject><subject>Environment</subject><subject>Environmental Economics</subject><subject>Environmental Engineering/Biotechnology</subject><subject>Environmental Health</subject><subject>Environmental Law/Policy/Ecojustice</subject><subject>Experiments</subject><subject>Measurement</subject><subject>Methanol</subject><subject>Methods</subject><subject>Nitrates</subject><subject>Purification</subject><subject>Quality of Life Research</subject><subject>Reactors</subject><subject>Research Article</subject><subject>Waste Management/Waste Technology</subject><subject>Water</subject><issn>2052-336X</issn><issn>2052-336X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1UctqGzEUFaWlCW7W3ZWBrifRY_TqohBCXxDSTQLZCY3mjq3gkaaSHJq_r1wnjgMtWug-zjm6Vweh9wSfEqLEGcWctoyJ25aQlspX6HhfeX0QH6GTnO8wxgQzpjR_i45ox3inO36M_JUvyRZobBiaPsVpGyeY4r1dN_1DYzcllhTnlXd_ISsokPaVAUKl-9E7W3wMzZyig5whf2p6W9yqgd8zJD9BKPkdejPadYaTx3uBbr5-ub743l7-_Pbj4vyydR3XpeVUC6EVERwrBT3DGrSQWLOBggQu9SgH1rERlO0lI91ghcJaAxFAsbKULdDnne686ScYXH072bWZ6xg2PZhovXnZCX5llvHeMCUVrdIL9PFRIMVfG8jF3MVNCnVmQzglkkouxDNqaddgfBjrp1g3-ezMOWedqkKcV9TpP1D1DDB5FwOMvtZfEM52BJdizgnG_eAEm63rZuur2fpaU0NlZXw43HePf_K4AvAOkGsrLCEd7PMfzT_Va7dP</recordid><startdate>20131219</startdate><enddate>20131219</enddate><creator>Demirel, Sevgi</creator><creator>Bayhan, Ibrahim</creator><general>BioMed Central</general><general>BioMed Central Ltd</general><scope>C6C</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7ST</scope><scope>7X7</scope><scope>7XB</scope><scope>8C1</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>L6V</scope><scope>LK8</scope><scope>M0S</scope><scope>M7P</scope><scope>M7S</scope><scope>PATMY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>SOI</scope><scope>5PM</scope></search><sort><creationdate>20131219</creationdate><title>Nitrate and bromate removal by autotrophic and heterotrophic denitrification processes: batch experiments</title><author>Demirel, Sevgi ; 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The initial bromate (BrO
3
–
) concentration of 100 and 500 μg/L was completely reduced and bromide (Br
-
) was produced stoichiometrically from bromate in all batch reactors. In all experiments, nitrate was completely reduced to below detection limit. Kinetic studies showed that the sulfur-based autotrophic nitrate reduction rate increased with increasing initial nitrate concentration. At stoichiometrically sufficient methanol concentration as an external carbon source, nitrate and bromate were reduced to below US EPA drinking water limits in heterotrophic denitrification conditions. The methanol was completely depleted at the end of the heterotrophic operation conditions.</abstract><cop>London</cop><pub>BioMed Central</pub><pmid>24354945</pmid><doi>10.1186/2052-336X-11-27</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; SpringerNature Journals; PubMed Central |
| subjects | Bromates Carbon Chemical properties Denitrification Drinking water Earth and Environmental Science Environment Environmental Economics Environmental Engineering/Biotechnology Environmental Health Environmental Law/Policy/Ecojustice Experiments Measurement Methanol Methods Nitrates Purification Quality of Life Research Reactors Research Article Waste Management/Waste Technology Water |
| title | Nitrate and bromate removal by autotrophic and heterotrophic denitrification processes: batch experiments |
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