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Arora A, Cameotra SS, Kumar R, et al. Biosurfactant as a Promoter of Methane Hydrate Formation: Thermodynamic and Kinetic Studies. Sci Rep. 2016;6:20893doi: 10.1038/srep20893.
Arora, A., Cameotra, S. S., Kumar, R., Balomajumder, C., Singh, A. K., Santhakumari, B., Kumar, P., & Laik, S. (2016). Biosurfactant as a Promoter of Methane Hydrate Formation: Thermodynamic and Kinetic Studies. Scientific reports, 620893. https://doi.org/10.1038/srep20893
Arora, Amit, et al. "Biosurfactant as a Promoter of Methane Hydrate Formation: Thermodynamic and Kinetic Studies." Scientific reports vol. 6 (2016): 20893. doi: https://doi.org/10.1038/srep20893
Arora A, Cameotra SS, Kumar R, Balomajumder C, Singh AK, Santhakumari B, Kumar P, Laik S. Biosurfactant as a Promoter of Methane Hydrate Formation: Thermodynamic and Kinetic Studies. Sci Rep. 2016 Feb 12;6:20893. doi: 10.1038/srep20893. PMID: 26869357; PMCID: PMC4751436.
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Sci Rep. 2016 Feb 12;6:20893. doi: 10.1038/srep20893.

Biosurfactant as a Promoter of Methane Hydrate Formation: Thermodynamic and Kinetic Studies.

Scientific reports

Amit Arora, Swaranjit Singh Cameotra, Rajnish Kumar, Chandrajit Balomajumder, Anil Kumar Singh, B Santhakumari, Pushpendra Kumar, Sukumar Laik

Affiliations

  1. Department of Chemical Engineering, Indian Institute of Technology, Roorkee, India.
  2. Institute of Microbial Technology, Chandigarh, India.
  3. Chemical Engineering and Process Development Division, National Chemical Laboratory, Pune, India.
  4. Centre For Material Characterization, National Chemical Laboratory, Pune, India.
  5. Keshav Dev Malviya Institute of Petroleum Exploration, Oil and Natural Gas Corporation, Dehradun, India.
  6. Department of Petroleum Engineering, Indian School of Mines, Dhanbad, India.

PMID: 26869357 PMCID: PMC4751436 DOI: 10.1038/srep20893

Abstract

Natural gas hydrates (NGHs) are solid non-stoichiometric compounds often regarded as a next generation energy source. Successful commercialization of NGH is curtailed by lack of efficient and safe technology for generation, dissociation, storage and transportation. The present work studied the influence of environment compatible biosurfactant on gas hydrate formation. Biosurfactant was produced by Pseudomonas aeruginosa strain A11 and was characterized as rhamnolipids. Purified rhamnolipids reduced the surface tension of water from 72 mN/m to 36 mN/m with Critical Micelle Concentration (CMC) of 70 mg/l. Use of 1000 ppm rhamnolipids solution in C type silica gel bed system increased methane hydrate formation rate by 42.97% and reduced the induction time of hydrate formation by 22.63% as compared to water saturated C type silica gel. Presence of rhamnolipids also shifted methane hydrate formation temperature to higher values relative to the system without biosurfactant. Results from thermodynamic and kinetic studies suggest that rhamnolipids can be applied as environment friendly methane hydrate promoter.

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