ISSN: 2155-6199

Revista de biorremediación y biodegradación

Acceso abierto

Nuestro grupo organiza más de 3000 Series de conferencias Eventos cada año en EE. UU., Europa y América. Asia con el apoyo de 1.000 sociedades científicas más y publica más de 700 Acceso abierto Revistas que contienen más de 50.000 personalidades eminentes, científicos de renombre como miembros del consejo editorial.

Revistas de acceso abierto que ganan más lectores y citas
700 revistas y 15 000 000 de lectores Cada revista obtiene más de 25 000 lectores

Indexado en
  • Índice de fuentes CAS (CASSI)
  • Índice Copérnico
  • Google Académico
  • sherpa romeo
  • Abrir puerta J
  • Revista GenámicaBuscar
  • Claves Académicas
  • TOC de revistas
  • InvestigaciónBiblia
  • Infraestructura Nacional del Conocimiento de China (CNKI)
  • Directorio de publicaciones periódicas de Ulrich
  • Acceso a la Investigación Global en Línea en Agricultura (AGORA)
  • Búsqueda de referencia
  • Universidad Hamdard
  • EBSCO AZ
  • OCLC-WorldCat
  • Catálogo en línea SWB
  • publones
  • Fundación de Ginebra para la educación y la investigación médicas
  • MIAR
  • ICMJE
Comparte esta página

Abstracto

Application of Microbial Culture and Rhamnolipid for Improving the Sedimentation of Oil Sand Tailings

Soroor Javan Roshtkhari and Catherine N Mulligan

Densification of oil sand tailings deposited in the tailing ponds and recovering water from them are two major challenges in the oil sands surface mining industry. A small increase in the tailings settlement rate (which normally is very slow) can improve the densification of tailings and significantly reduce water consumption and the volume of the tailing ponds. In this work, the objective was to evaluate the role of a mixed culture of two microbial strains isolated from weathered oil and rhamnolipid (JBR 425) together with these strains in the sedimentation of fine tailing particles. It has been found that a mixed culture of two microbial strains isolated from weathered oil increased the sedimentation. Rhamnolipid (0.5%) together with these two microbial strains at 15°C ± 2°C showed significant increases in sedimentation (by a factor of 5.1), the concentration of larger particles (by a factor of 2.63), the particle mean diameter (by a factor of 2.70) and flocculation in the tailings samples compared to the control while the zeta potential is still negative. This means that the mechanism of flocculation is probably due to increasing the hydrophobicity of the particles, interaction of biosurfactant and high molecular weight microbial organic compounds through a bridging mechanism with clay particles. This work shows the potential of using rhamnolipid and microbial culture in order to increase the oil sand sedimentation through flocculation and microbial activity in a more environmentally friendly densification process.

Descargo de responsabilidad: este resumen se tradujo utilizando herramientas de inteligencia artificial y aún no ha sido revisado ni verificado.