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Adsorption and Adsolubilization of Organic Solutes Using Rhamnolipid Biosurfactant-modified Surface |
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| รหัสดีโอไอ | |
| Creator | 1. Davone Keomany 2. Emma Asnachinda |
| Title | Adsorption and Adsolubilization of Organic Solutes Using Rhamnolipid Biosurfactant-modified Surface |
| Publisher | Faculty of Environment and Resourdce Studies,Mahidol University |
| Publication Year | 2558 |
| Journal Title | Environment and Natural Resources Journal |
| Journal Vol. | 13 |
| Journal No. | 1 |
| Page no. | 70-77 |
| Keyword | Adsorption,Adsolubilization,Styrene,Phenantrene,Rhamnolipid,Biosurfactant |
| ISSN | 16865456 |
| Abstract | At present, biosurfactant, a biological-based surface active agent synthesized by various types of microorganisms has been drawing the attention of the scientific community, due to the superior benefits over conventional surfactants. Rhamnolipid is characterized as a biological based surfactant which has lower toxicity, higher biodegradability and better environmental compatibility than coventional ones. It has been used as an alternative choice for environmental applications. In this work, rhamnolipid biosurfactant-modified adsorbent was developed to remove two different types of organic solutes: (styrene and phenanthrene) through adsolubilization process. Results showed that the rhamnolipid surfactant-modified surface has the ability to remove both, styrene and phenanthrene from an aqueous solution in a specific amount. Findings also demonstrated that both styrene and phenanthrene were mainly partitioned into the palisade layer where it was considered as a slightly polar region in the admicelle structure. Typically, styrene was known as an intermediate polarity organic compound while phenanthrene was considered as a smaller polar solute compare to styrene. As a result, phenanthrene tended to separate itself from the strongly polar phase in an aqueous solution to the lesser polar region in the palisade layer of the admicelle and having greater adsolubilization capacity than styrene. |
