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Effects of humic acid on phytodegradation of petroleum hydrocarbons in soil simultaneously contaminated with heavy metals

The use of humic acid (HA) to enhance the efficiency of phytodegradation of petroleum hydrocarbons in soil contaminated with diesel fuel was evaluated in this study. A sample of soil was artificially contaminated with commercially available diesel fuel to an initial total petroleum hydrocarbons (TPH...

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Published in:Journal of environmental sciences (China) 2011-01, Vol.23 (12), p.2034-2041
Main Authors: Park, Soyoung, Kim, Ki Seob, Kim, Jeong-Tae, Kang, Daeseok, Sung, Kijune
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description The use of humic acid (HA) to enhance the efficiency of phytodegradation of petroleum hydrocarbons in soil contaminated with diesel fuel was evaluated in this study. A sample of soil was artificially contaminated with commercially available diesel fuel to an initial total petroleum hydrocarbons (TPH) concentration of 2300 mg/kg and four heavy metals with concentrations of 400 mg/kg for Pb, 200 mg/kg for Cu, 12 mg/kg for Cd, and 160 mg/kg for Ni. Three plant species, Brassica campestris, Festuca arundinacea, and Helianthus annuus, were selected for the phytodegradation experiment. Percentage degradation of TPH in the soil in a control pot supplemented with HA increased to 45% from 30% without HA. The addition of HA resulted in an increases in the removal of TPH from the soil in pots planted with B. campestris, F. arundinacea, and H. annuus, enhancing percentage degradation to 86%, 64%, and 85% from 45%, 54%, and 66%, respectively. The effect of HA was also observed in the degradation of n-alkanes within 30 days. The rates of removal of n-alkanes in soil planted with B. campestris and H. annuus were high for n-alkanes in the range of C11–C28. A dynamic increase in dehydrogenase activity was observed during the last 15 days of a 30-day experimental period in all the pots amended with HA. The enhanced biodegradation performance for TPHs observed might be due to an increase in microbial activities and bioavailable TPH in soils caused by combined effects of plants and HA. The results suggested that HA could act as an enhancing agent for phytodegradation of petroleum hydrocarbons in soil contaminated with diesel fuel and heavy metals.
doi_str_mv 10.1016/S1001-0742(10)60670-5
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A sample of soil was artificially contaminated with commercially available diesel fuel to an initial total petroleum hydrocarbons (TPH) concentration of 2300 mg/kg and four heavy metals with concentrations of 400 mg/kg for Pb, 200 mg/kg for Cu, 12 mg/kg for Cd, and 160 mg/kg for Ni. Three plant species, Brassica campestris, Festuca arundinacea, and Helianthus annuus, were selected for the phytodegradation experiment. Percentage degradation of TPH in the soil in a control pot supplemented with HA increased to 45% from 30% without HA. The addition of HA resulted in an increases in the removal of TPH from the soil in pots planted with B. campestris, F. arundinacea, and H. annuus, enhancing percentage degradation to 86%, 64%, and 85% from 45%, 54%, and 66%, respectively. The effect of HA was also observed in the degradation of n-alkanes within 30 days. The rates of removal of n-alkanes in soil planted with B. campestris and H. annuus were high for n-alkanes in the range of C11–C28. A dynamic increase in dehydrogenase activity was observed during the last 15 days of a 30-day experimental period in all the pots amended with HA. The enhanced biodegradation performance for TPHs observed might be due to an increase in microbial activities and bioavailable TPH in soils caused by combined effects of plants and HA. The results suggested that HA could act as an enhancing agent for phytodegradation of petroleum hydrocarbons in soil contaminated with diesel fuel and heavy metals.</description><identifier>ISSN: 1001-0742</identifier><identifier>EISSN: 1878-7320</identifier><identifier>DOI: 10.1016/S1001-0742(10)60670-5</identifier><identifier>PMID: 22432335</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>alkanes ; biodegradation ; Biodegradation, Environmental ; Brassica - metabolism ; Brassica campestris ; Brassica rapa subsp. campestris ; cadmium ; combined effects ; copper ; DHA ; diesel fuel ; Festuca - metabolism ; Festuca arundinacea ; heavy metals ; Helianthus - metabolism ; Helianthus annuus ; humic acid ; humic acids ; Humic Substances ; lead ; Metals, Heavy - chemistry ; Metals, Heavy - metabolism ; microbial activity ; n-alkanes ; nickel ; petroleum ; Petroleum - metabolism ; phytodegradation ; phytoremediation ; planting ; Plants - metabolism ; Plants - microbiology ; polluted soils ; Random Allocation ; Soil Pollutants - chemistry ; Soil Pollutants - metabolism ; TPHs ; 土壤样品 ; 总石油烃 ; 柴油污染 ; 正构烷烃 ; 生物降解性能 ; 碳氢化合物 ; 腐殖酸 ; 重金属污染</subject><ispartof>Journal of environmental sciences (China), 2011-01, Vol.23 (12), p.2034-2041</ispartof><rights>2011 The Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences</rights><rights>Copyright © Wanfang Data Co. 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All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c477t-52ddada7a0253b44da7ef30bea87bd8467f6f246847562904cc06bfb0d8e26023</citedby><cites>FETCH-LOGICAL-c477t-52ddada7a0253b44da7ef30bea87bd8467f6f246847562904cc06bfb0d8e26023</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/85265X/85265X.jpg</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22432335$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Park, Soyoung</creatorcontrib><creatorcontrib>Kim, Ki Seob</creatorcontrib><creatorcontrib>Kim, Jeong-Tae</creatorcontrib><creatorcontrib>Kang, Daeseok</creatorcontrib><creatorcontrib>Sung, Kijune</creatorcontrib><title>Effects of humic acid on phytodegradation of petroleum hydrocarbons in soil simultaneously contaminated with heavy metals</title><title>Journal of environmental sciences (China)</title><addtitle>Journal of Environmental Sciences</addtitle><description>The use of humic acid (HA) to enhance the efficiency of phytodegradation of petroleum hydrocarbons in soil contaminated with diesel fuel was evaluated in this study. A sample of soil was artificially contaminated with commercially available diesel fuel to an initial total petroleum hydrocarbons (TPH) concentration of 2300 mg/kg and four heavy metals with concentrations of 400 mg/kg for Pb, 200 mg/kg for Cu, 12 mg/kg for Cd, and 160 mg/kg for Ni. Three plant species, Brassica campestris, Festuca arundinacea, and Helianthus annuus, were selected for the phytodegradation experiment. Percentage degradation of TPH in the soil in a control pot supplemented with HA increased to 45% from 30% without HA. The addition of HA resulted in an increases in the removal of TPH from the soil in pots planted with B. campestris, F. arundinacea, and H. annuus, enhancing percentage degradation to 86%, 64%, and 85% from 45%, 54%, and 66%, respectively. The effect of HA was also observed in the degradation of n-alkanes within 30 days. The rates of removal of n-alkanes in soil planted with B. campestris and H. annuus were high for n-alkanes in the range of C11–C28. A dynamic increase in dehydrogenase activity was observed during the last 15 days of a 30-day experimental period in all the pots amended with HA. The enhanced biodegradation performance for TPHs observed might be due to an increase in microbial activities and bioavailable TPH in soils caused by combined effects of plants and HA. The results suggested that HA could act as an enhancing agent for phytodegradation of petroleum hydrocarbons in soil contaminated with diesel fuel and heavy metals.</description><subject>alkanes</subject><subject>biodegradation</subject><subject>Biodegradation, Environmental</subject><subject>Brassica - metabolism</subject><subject>Brassica campestris</subject><subject>Brassica rapa subsp. campestris</subject><subject>cadmium</subject><subject>combined effects</subject><subject>copper</subject><subject>DHA</subject><subject>diesel fuel</subject><subject>Festuca - metabolism</subject><subject>Festuca arundinacea</subject><subject>heavy metals</subject><subject>Helianthus - metabolism</subject><subject>Helianthus annuus</subject><subject>humic acid</subject><subject>humic acids</subject><subject>Humic Substances</subject><subject>lead</subject><subject>Metals, Heavy - chemistry</subject><subject>Metals, Heavy - metabolism</subject><subject>microbial activity</subject><subject>n-alkanes</subject><subject>nickel</subject><subject>petroleum</subject><subject>Petroleum - metabolism</subject><subject>phytodegradation</subject><subject>phytoremediation</subject><subject>planting</subject><subject>Plants - metabolism</subject><subject>Plants - microbiology</subject><subject>polluted soils</subject><subject>Random Allocation</subject><subject>Soil Pollutants - chemistry</subject><subject>Soil Pollutants - metabolism</subject><subject>TPHs</subject><subject>土壤样品</subject><subject>总石油烃</subject><subject>柴油污染</subject><subject>正构烷烃</subject><subject>生物降解性能</subject><subject>碳氢化合物</subject><subject>腐殖酸</subject><subject>重金属污染</subject><issn>1001-0742</issn><issn>1878-7320</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqFkU1v1DAQhiMEoqXwEwD3wschMHbsxHtCqCofUiUOpWfL8cfGVWJvbadV_j3eZpdrL57R6BnPO_NW1VsMXzDg9us1BsA1dJR8wvC5hbaDmj2rTjHveN01BJ6X_IicVK9SugUAyoC9rE4IoQ1pGnZaLZfWGpUTChYN8-QUksppFDzaDUsO2myj1DK7UijEzuQYRjNPaFh0DErGPviEnEcpuBElN81jlt6EOY0LUsFnOTkvs9HoweUBDUbeL2gyWY7pdfXClmDeHOJZdfPj8u_Fr_rqz8_fF9-vakW7LteMaF0UdBIIa3pKS2psA72RvOs1p21nW0toy2nHWrIBqhS0ve1Bc0NaIM1Z9WH990F6K_1W3IY5-jJR3JokDAGMcXlYAT-u4C6Gu9mkLCaXlBnHdSGxaShp-Ybip0nMgbHNhheSraSKIaVorNhFN8m4CAxi76N49FHsTdqXHn0Uey3vDhPmfjL6f9fRuAK8XwErg5Db6JK4ud6vAUAwJ5wW4ttKmHLce2eiSMoZr4x2sTgudHBPijg_iB-C3965crujDgpNW47Bm39VpcKF</recordid><startdate>20110101</startdate><enddate>20110101</enddate><creator>Park, Soyoung</creator><creator>Kim, Ki Seob</creator><creator>Kim, Jeong-Tae</creator><creator>Kang, Daeseok</creator><creator>Sung, Kijune</creator><general>Elsevier B.V</general><general>Department of Ocean Engineering, Pukyong National University, Busan 608-737, Korea%Department of Ecological Engineering, Pukyong National University, Busan 608-737, Korea%Department of Ecological Engineering, Pukyong National University, Busan 608-737</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>FBQ</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7TV</scope><scope>C1K</scope><scope>SOI</scope><scope>7X8</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20110101</creationdate><title>Effects of humic acid on phytodegradation of petroleum hydrocarbons in soil simultaneously contaminated with heavy metals</title><author>Park, Soyoung ; 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A dynamic increase in dehydrogenase activity was observed during the last 15 days of a 30-day experimental period in all the pots amended with HA. The enhanced biodegradation performance for TPHs observed might be due to an increase in microbial activities and bioavailable TPH in soils caused by combined effects of plants and HA. The results suggested that HA could act as an enhancing agent for phytodegradation of petroleum hydrocarbons in soil contaminated with diesel fuel and heavy metals.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>22432335</pmid><doi>10.1016/S1001-0742(10)60670-5</doi><tpages>8</tpages></addata></record>
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identifier ISSN: 1001-0742
ispartof Journal of environmental sciences (China), 2011-01, Vol.23 (12), p.2034-2041
issn 1001-0742
1878-7320
language eng
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source ScienceDirect Journals
subjects alkanes
biodegradation
Biodegradation, Environmental
Brassica - metabolism
Brassica campestris
Brassica rapa subsp. campestris
cadmium
combined effects
copper
DHA
diesel fuel
Festuca - metabolism
Festuca arundinacea
heavy metals
Helianthus - metabolism
Helianthus annuus
humic acid
humic acids
Humic Substances
lead
Metals, Heavy - chemistry
Metals, Heavy - metabolism
microbial activity
n-alkanes
nickel
petroleum
Petroleum - metabolism
phytodegradation
phytoremediation
planting
Plants - metabolism
Plants - microbiology
polluted soils
Random Allocation
Soil Pollutants - chemistry
Soil Pollutants - metabolism
TPHs
土壤样品
总石油烃
柴油污染
正构烷烃
生物降解性能
碳氢化合物
腐殖酸
重金属污染
title Effects of humic acid on phytodegradation of petroleum hydrocarbons in soil simultaneously contaminated with heavy metals
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