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Rhamnolipid Biosurfactant Transport in Agricultural Soils

Title: Rhamnolipid Biosurfactant Transport in Agricultural Soils.
Name(s): Renfro, Tyler D., author
Chen, Gang, professor directing thesis
Clark, Clayton, committee member
Watts, Michael, committee member
Department of Civil and Environmental Engineering, degree granting department
Florida State University, degree granting institution
Type of Resource: text
Genre: Text
Issuance: monographic
Date Issued: 2013
Publisher: Florida State University
Place of Publication: Tallahassee, Florida
Physical Form: computer
online resource
Extent: 1 online resource
Language(s): English
Abstract/Description: Rhamnolipid biosurfactant is a bacterial biosurfactant produced by several Pseudomonas species, which can wet hydrophobic soils by lowering the cohesive and/or adhesive surface tension, allowing the water to spread out more evenly and better penetrate the hydrophobic soils. Because of its bio-degradability, rhamnolipid biosurfactant applications cause minimal adverse effects to the soil and groundwater as compared with that of chemical wetting agents. Rhamnolipid biosurfactant applications save water consumption during agricultural irrigation, especially under draught conditions. This research was designed to investigate the effectiveness of rhamnolipid biosurfactant applications in agricultural soils and key functioning properties. Performance of the rhamnolipid biosurfactant was explored in intact soil column experiments using agricultural soil. Investigating the impact of the rhamnolipid biosurfactant wetting agent fate and transport of organic concentration. Concluding rhamnolipid biosurfactants work effectively at low concentrations, from 12 to 6 percent and would be suitable for biosurfactant production and use.
Identifier: FSU_migr_etd-7571 (IID)
Submitted Note: A Thesis submitted to the Department of Civil and Environmental Engineering in partial fulfillment of the requirements for the degree of Master of Science.
Degree Awarded: Summer Semester, 2013.
Date of Defense: May 24, 2013.
Keywords: adsorption, agriculture soil, biosurfactant, hydraulic conductivity, rhamnolipid, surface tension
Bibliography Note: Includes bibliographical references.
Advisory Committee: Gang Chen, Professor Directing Thesis; Clayton Clark, Committee Member; Michael Watts, Committee Member.
Subject(s): Civil engineering
Environmental engineering
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Owner Institution: FSU

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Renfro, T. D. (2013). Rhamnolipid Biosurfactant Transport in Agricultural Soils. Retrieved from