Produced Water Treatment Using Self-assembled Organic Nanotubes as Adsorbents
A novel treatment technique for produced water was developed using organic nanotubes (ONTs) as adsorbents. ONTs formed by the self-assembly of peptide lipids are known to adsorb heavy metals and hydrophobic molecules. Preferential adsorption of heavy metals against alkali- and alkali-earth metals ab...
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| Veröffentlicht in: | Journal of the Japan Petroleum Institute 2018/01/01, Vol.61(1), pp.44-49 |
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| container_title | Journal of the Japan Petroleum Institute |
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| creator | Kogiso, Masaki Aoyagi, Masaru |
| description | A novel treatment technique for produced water was developed using organic nanotubes (ONTs) as adsorbents. ONTs formed by the self-assembly of peptide lipids are known to adsorb heavy metals and hydrophobic molecules. Preferential adsorption of heavy metals against alkali- and alkali-earth metals above pH 6 was confirmed. Pb2+ in high-salinity model produced water was reduced to 0.04 ppm by treatment with ONTs, compared to 0.84 ppm without ONTs. The selectivity of Pb2+ against alkali-earth metals was over 3000. Design of the molecular structures of peptide lipids reduced the content of p-cresol in model produced water from 13 to less than 1 ppm. To improve separation from wastewater, ONTs hybridized with magnetic nanoparticles (MNPs) were obtained through the pH adjusting method. Hybrids maintained the hybridized state over a wide pH range (1-9). Adsorption tests using real produced water indicated that ONTs could adsorb heavy metals, suspended solids, oil, and some organic compounds in produced water in a one-step process, without pre-treatment. |
| doi_str_mv | 10.1627/jpi.61.44 |
| format | Article |
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Adsorption tests using real produced water indicated that ONTs could adsorb heavy metals, suspended solids, oil, and some organic compounds in produced water in a one-step process, without pre-treatment.</description><identifier>ISSN: 1346-8804</identifier><identifier>EISSN: 1349-273X</identifier><identifier>DOI: 10.1627/jpi.61.44</identifier><language>eng</language><publisher>Tokyo: The Japan Petroleum Institute</publisher><subject>Adsorbent ; Adsorbents ; Adsorption ; Alkali metals ; Cresols ; Earth ; Heavy metals ; Hybrids ; Lead ; Lipids ; Metals ; Nanoparticles ; Nanotechnology ; Nanotubes ; Organic compounds ; Organic nanotube ; Peptides ; pH ; Pretreatment ; Produced water ; Selectivity ; Self-assembly ; Solid suspensions ; Suspended particulate matter ; Suspended solids ; Wastewater ; Wastewater treatment ; Water treatment</subject><ispartof>Journal of the Japan Petroleum Institute, 2018/01/01, Vol.61(1), pp.44-49</ispartof><rights>2018 by The Japan Petroleum Institute</rights><rights>Copyright Japan Science and Technology Agency 2018</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c372t-dc87525a0114caa2c42e061aed1ea843e93508974ccecd1a474ffdd0e01a57cc3</citedby><cites>FETCH-LOGICAL-c372t-dc87525a0114caa2c42e061aed1ea843e93508974ccecd1a474ffdd0e01a57cc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1883,27924,27925</link.rule.ids></links><search><creatorcontrib>Kogiso, Masaki</creatorcontrib><creatorcontrib>Aoyagi, Masaru</creatorcontrib><title>Produced Water Treatment Using Self-assembled Organic Nanotubes as Adsorbents</title><title>Journal of the Japan Petroleum Institute</title><addtitle>J. Jpn. Petrol. Inst.</addtitle><description>A novel treatment technique for produced water was developed using organic nanotubes (ONTs) as adsorbents. ONTs formed by the self-assembly of peptide lipids are known to adsorb heavy metals and hydrophobic molecules. Preferential adsorption of heavy metals against alkali- and alkali-earth metals above pH 6 was confirmed. Pb2+ in high-salinity model produced water was reduced to 0.04 ppm by treatment with ONTs, compared to 0.84 ppm without ONTs. The selectivity of Pb2+ against alkali-earth metals was over 3000. Design of the molecular structures of peptide lipids reduced the content of p-cresol in model produced water from 13 to less than 1 ppm. To improve separation from wastewater, ONTs hybridized with magnetic nanoparticles (MNPs) were obtained through the pH adjusting method. Hybrids maintained the hybridized state over a wide pH range (1-9). 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Jpn. Petrol. Inst.</addtitle><date>2018-01-01</date><risdate>2018</risdate><volume>61</volume><issue>1</issue><spage>44</spage><epage>49</epage><pages>44-49</pages><issn>1346-8804</issn><eissn>1349-273X</eissn><abstract>A novel treatment technique for produced water was developed using organic nanotubes (ONTs) as adsorbents. ONTs formed by the self-assembly of peptide lipids are known to adsorb heavy metals and hydrophobic molecules. Preferential adsorption of heavy metals against alkali- and alkali-earth metals above pH 6 was confirmed. Pb2+ in high-salinity model produced water was reduced to 0.04 ppm by treatment with ONTs, compared to 0.84 ppm without ONTs. The selectivity of Pb2+ against alkali-earth metals was over 3000. Design of the molecular structures of peptide lipids reduced the content of p-cresol in model produced water from 13 to less than 1 ppm. 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| ispartof | Journal of the Japan Petroleum Institute, 2018/01/01, Vol.61(1), pp.44-49 |
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| source | J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese; EZB-FREE-00999 freely available EZB journals; Free Full-Text Journals in Chemistry |
| subjects | Adsorbent Adsorbents Adsorption Alkali metals Cresols Earth Heavy metals Hybrids Lead Lipids Metals Nanoparticles Nanotechnology Nanotubes Organic compounds Organic nanotube Peptides pH Pretreatment Produced water Selectivity Self-assembly Solid suspensions Suspended particulate matter Suspended solids Wastewater Wastewater treatment Water treatment |
| title | Produced Water Treatment Using Self-assembled Organic Nanotubes as Adsorbents |
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