2018年
Produced water treatment using self-assembled organic nanotubes as adsorbents
Journal of the Japan Petroleum Institute
- ,
- 巻
- 61
- 号
- 1
- 開始ページ
- 44
- 終了ページ
- 49
- 記述言語
- 日本語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1627/jpi.61.44
- 出版者・発行元
- Japan Petroleum Institute
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.
- リンク情報
- ID情報
-
- DOI : 10.1627/jpi.61.44
- ISSN : 1349-273X
- ISSN : 1346-8804
- ORCIDのPut Code : 46013267
- SCOPUS ID : 85040528183
- Web of Science ID : WOS:000426320500006