Effect of nickel on nutrient removal by selected indigenous protozoan species in wastewater systems
Identifieur interne : 000372 ( Ncbi/Merge ); précédent : 000371; suivant : 000373Effect of nickel on nutrient removal by selected indigenous protozoan species in wastewater systems
Auteurs : Ilunga Kamika ; Maggy N. B. MombaSource :
- Saudi Journal of Biological Sciences [ 1319-562X ] ; 2014.
Abstract
Nutrient and heavy metal pollutions are major concern worldwide. This study aimed at comparing the effect of Ni2+ on nutrient removal efficiency of four indigenous wastewater protozoan species (
Url:
DOI: 10.1016/j.sjbs.2014.09.010
PubMed: 25737645
PubMed Central: 4336442
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Effect of nickel on nutrient removal by selected indigenous protozoan species in wastewater systems</title><author><name sortKey="Kamika, Ilunga" sort="Kamika, Ilunga" uniqKey="Kamika I" first="Ilunga" last="Kamika">Ilunga Kamika</name></author><author><name sortKey="Momba, Maggy N B" sort="Momba, Maggy N B" uniqKey="Momba M" first="Maggy N. B." last="Momba">Maggy N. B. Momba</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">25737645</idno><idno type="pmc">4336442</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4336442</idno><idno type="RBID">PMC:4336442</idno><idno type="doi">10.1016/j.sjbs.2014.09.010</idno><date when="2014">2014</date><idno type="wicri:Area/Pmc/Corpus">000329</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000329</idno><idno type="wicri:Area/Pmc/Curation">000328</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">000328</idno><idno type="wicri:Area/Pmc/Checkpoint">000142</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">000142</idno><idno type="wicri:Area/Ncbi/Merge">000372</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Effect of nickel on nutrient removal by selected indigenous protozoan species in wastewater systems</title><author><name sortKey="Kamika, Ilunga" sort="Kamika, Ilunga" uniqKey="Kamika I" first="Ilunga" last="Kamika">Ilunga Kamika</name></author><author><name sortKey="Momba, Maggy N B" sort="Momba, Maggy N B" uniqKey="Momba M" first="Maggy N. B." last="Momba">Maggy N. B. Momba</name></author></analytic><series><title level="j">Saudi Journal of Biological Sciences</title><idno type="ISSN">1319-562X</idno><idno type="eISSN">2213-7106</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Nutrient and heavy metal pollutions are major concern worldwide. This study aimed at comparing the effect of Ni<sup>2+</sup> on nutrient removal efficiency of four indigenous wastewater protozoan species (<italic>Aspidisca</italic> sp., <italic>Paramecium</italic> sp., <italic>Peranema</italic> sp., <italic>Trachelophyllum</italic> sp.). Specific physicochemical parameters and microbial growth/die-off were measured using standard methods. The results revealed that protozoan species were able to simultaneously remove phosphate, nitrate and Ni<sup>2+</sup> at concentrations ranging between 66.4–99.36%, 56.19–99.88% and 45.98–85.69%, respectively. <italic>Peranema</italic> sp. appeared to be the isolates with the highest removal of nutrients (Phosphate-99.36% and Nitrate-99.88%) while <italic>Paramecium</italic> sp. showed higher removal of Ni<sup>2+</sup> at 85.69% and low removal of nutrients. <italic>Aspidisca</italic> sp. was the most sensitive isolate to Ni<sup>2+</sup> but with significant nutrient removal (Phosphate-66.4% and Nitrate-56.19%) at 10 mg-N<sup>2+</sup>/L followed by an inhibition of nutrient removal at Ni<sup>2+</sup> concentration greater than 10 mg/L. Significant correlation between the growth rate and nutrient removal (<italic>r </italic>= 0.806/0.799, <italic>p </italic>< 0.05 for phosphate and nitrate, respectively) was noted. Except for <italic>Peranema</italic> sp. which revealed better nutrient removal ability at 10 mg-Ni<sup>2+</sup>/L, an increase in Ni<sup>2+</sup> concentration had a significant effect on nutrient removal efficiency of these indigenous protozoan species<italic>.</italic> This study suggests that although Ni<sup>2+</sup> appeared to be toxic to microbial isolates, its effect at a low concentration (10 mg-Ni<sup>2+</sup>/L) towards these isolates can be used to enhance the wastewater treatment process for the removal of nutrients. <italic>Peranema</italic> sp., which was able to remove both Ni<sup>2+</sup> and nutrients from wastewater mixed-liquor, can also be used for bioremediation of wastewater systems.</p></div></front></TEI><pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Saudi J Biol Sci</journal-id><journal-title-group><journal-title>Saudi Journal of Biological Sciences</journal-title></journal-title-group><issn pub-type="ppub">1319-562X</issn><issn pub-type="epub">2213-7106</issn></journal-meta><article-meta><article-id pub-id-type="pmid">25737645</article-id><article-id pub-id-type="pmc">4336442</article-id><article-id pub-id-type="publisher-id">S1319-562X(14)00107-7</article-id><article-id pub-id-type="doi">10.1016/j.sjbs.2014.09.010</article-id><article-categories><subj-group subj-group-type="heading"><subject>Original Article</subject></subj-group></article-categories><title-group><article-title>Effect of nickel on nutrient removal by selected indigenous protozoan species in wastewater systems</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Kamika</surname><given-names>Ilunga</given-names></name></contrib><contrib contrib-type="author"><name><surname>Momba</surname><given-names>Maggy N.B.</given-names></name><email>mombamnb@tut.ac.za</email><xref rid="cor1" ref-type="corresp">⁎</xref></contrib></contrib-group><aff id="af005">Department of Environmental, Water and Earth Sciences, Faculty of Science, Tshwane University of Technology, Arcadia Campus, Private Bag X680, Pretoria 0001, South Africa</aff><author-notes><corresp id="cor1"><label>⁎</label>Corresponding author. Tel.: +27 (0)12 382 6365; fax: +27 (0)12 866 667 5140. <email>mombamnb@tut.ac.za</email></corresp></author-notes><pub-date pub-type="pmc-release"><day>28</day><month>9</month><year>2014</year></pub-date><pmc-comment> PMC Release delay is 0 months and 0 days and was based on .</pmc-comment>
<pub-date pub-type="epub"><day>28</day><month>9</month><year>2014</year></pub-date><pub-date pub-type="ppub"><month>3</month><year>2015</year></pub-date><volume>22</volume><issue>2</issue><fpage>147</fpage><lpage>156</lpage><history><date date-type="received"><day>16</day><month>8</month><year>2014</year></date><date date-type="rev-recd"><day>16</day><month>9</month><year>2014</year></date><date date-type="accepted"><day>17</day><month>9</month><year>2014</year></date></history><permissions><copyright-statement>© 2015 King Saud University. Production and Hosting by Elsevier B.V. All rights reserved.</copyright-statement><copyright-year>2014</copyright-year><copyright-holder>King Saud University</copyright-holder></permissions><abstract><p>Nutrient and heavy metal pollutions are major concern worldwide. This study aimed at comparing the effect of Ni<sup>2+</sup> on nutrient removal efficiency of four indigenous wastewater protozoan species (<italic>Aspidisca</italic> sp., <italic>Paramecium</italic> sp., <italic>Peranema</italic> sp., <italic>Trachelophyllum</italic> sp.). Specific physicochemical parameters and microbial growth/die-off were measured using standard methods. The results revealed that protozoan species were able to simultaneously remove phosphate, nitrate and Ni<sup>2+</sup> at concentrations ranging between 66.4–99.36%, 56.19–99.88% and 45.98–85.69%, respectively. <italic>Peranema</italic> sp. appeared to be the isolates with the highest removal of nutrients (Phosphate-99.36% and Nitrate-99.88%) while <italic>Paramecium</italic> sp. showed higher removal of Ni<sup>2+</sup> at 85.69% and low removal of nutrients. <italic>Aspidisca</italic> sp. was the most sensitive isolate to Ni<sup>2+</sup> but with significant nutrient removal (Phosphate-66.4% and Nitrate-56.19%) at 10 mg-N<sup>2+</sup>/L followed by an inhibition of nutrient removal at Ni<sup>2+</sup> concentration greater than 10 mg/L. Significant correlation between the growth rate and nutrient removal (<italic>r </italic>= 0.806/0.799, <italic>p </italic>< 0.05 for phosphate and nitrate, respectively) was noted. Except for <italic>Peranema</italic> sp. which revealed better nutrient removal ability at 10 mg-Ni<sup>2+</sup>/L, an increase in Ni<sup>2+</sup> concentration had a significant effect on nutrient removal efficiency of these indigenous protozoan species<italic>.</italic> This study suggests that although Ni<sup>2+</sup> appeared to be toxic to microbial isolates, its effect at a low concentration (10 mg-Ni<sup>2+</sup>/L) towards these isolates can be used to enhance the wastewater treatment process for the removal of nutrients. <italic>Peranema</italic> sp., which was able to remove both Ni<sup>2+</sup> and nutrients from wastewater mixed-liquor, can also be used for bioremediation of wastewater systems.</p></abstract><kwd-group><title>Keywords</title><kwd>Wastewater</kwd><kwd>Nickel</kwd><kwd>Bioremediation</kwd><kwd>Protozoa</kwd><kwd>Phosphate</kwd><kwd>Nitrate</kwd><kwd>Phosphate</kwd><kwd>Pollution</kwd></kwd-group></article-meta></front></pmc><affiliations><list></list><tree><noCountry><name sortKey="Kamika, Ilunga" sort="Kamika, Ilunga" uniqKey="Kamika I" first="Ilunga" last="Kamika">Ilunga Kamika</name><name sortKey="Momba, Maggy N B" sort="Momba, Maggy N B" uniqKey="Momba M" first="Maggy N. B." last="Momba">Maggy N. B. Momba</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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