Results 61 to 70 of about 1,011 (146)

Dessulfurização do DBT e do óleo diesel em sistema bifásico pelo Rhodococcus erythropolis ATCC4277 em reator descontínuo [PDF]

, 2012
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia QuímicaA queima de combustíveis fósseis tem liberado uma grande quantidade de poluentes na atmosfera.
Maass, Danielle
core  

Biodesulfurization of Tabas Coal in Pilot Plant Scale [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 2010
Sulfur emission from coal combustion presents many environmental problems. The techniques used to reduce the amount of sulfur in coal before combustion, include physical, chemical and biological processes.Biological processes based on degradation of ...
Farahnaz Eghbali, Mohammad Reza Ehsani
doaj  

Molecular Biological Enhancement of Coal Biodesulfurization [PDF]

, 1990
The overall objective of this project was to use molecular genetics to develop strains of bacteria with enhanced ability to remove sulfur from coal, and to obtain data that will allow the performance and economics of a coal biodesulfurization process to ...
Bielaga, B. A., Kilbane, J. J., Kilbane, J. J., II   +2 more
core   +1 more source

AQUEOUS - ORGANIC PHASES SEPARATION BY MEMBRANE REACTORS IN BIODESULFURIZATION REACTIONS

CT&F Ciencia, Tecnología & Futuro, 2002
This work presents a membrane bioreactor prototype used to separate emulsion phases formed in the biodesulfurization reaction. Hydrophobic membranes used for the construction of the prototype allow the separation of the organic/watery phases.
Claudia Berdugo, Rocío Caballero, Rubén-Darío Godoy   +2 more
doaj  

Superiority Desulfurization of Indigenous Microorganisms with Sulfur Metabolism in Coal

Separations
Coal plays a vital role in energy production, but its combustion releases SO2, causing serious environmental problems. In this study, indigenous microorganisms with sulfur-metabolism potential were isolated from raw coal and evaluated for coal ...
Qiyuan Wei, Yanru Cui, Hongqiong Zhang, Jianbo Li   +3 more
doaj   +1 more source

A new impetus for biodesulfurization: bypassing sulfate inhibition in biocatalyst production

, 2023
: Biodesulfurization is a biotechnological process that employs microorganisms as biocatalysts to remove sulfur from fuels usually at mesophilic conditions, targeting recalcitrant organosulfur compounds without affecting their hydrocarbon structure.
Luís Alves, Silva, Tiago, Tiago P. Silva, Alves, Luís, Paixão, Susana M., Susana M. Paixão   +5 more
core   +1 more source

Influencia de la concentración de hierro y pH iniciales en un proceso de biodesulfurización de carbón – ensayos a nivel de laboratorio

Revista Colombiana de Biotecnología, 2012
Título en ingles: Particle size, iron concentration and pH influence in biodesulfurization process of coal – laboratory tests   Resumen   A un carbón proveniente del municipio de Puerto Libertador, Córdoba-Colombia (2.34% de azufre total, con 1.34 ...
Gerardo Andrés Caicedo Pineda, Marco Antonio Márquez Godoy, Claudia Ximena Moreno Herrera   +2 more
doaj   +2 more sources

SELECCIÓN DE MICROORGANISMOS MESÓFILOS BIODESULFURIZADORES

CT&F Ciencia, Tecnología & Futuro, 1998
los resultados correspondientes al proceso de selección de cepas mesófilas nativas de Colombia con utilidad potencial para procesos de BDS. El criterio de selección de las cepas fue la detección cualitativa y cuantitativa del 2-hidroxibifenilo (2-HBP ...
A MADERO G, L. I MOGOLLÓN G, A. L MORA. M, L. F OSORIO C   +3 more
doaj  

Biodesulfurization of Dibenzothiophene by a Newly Isolated Thermophilic Bacteria Strain [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 2006
Microbiological analyses of soil chronically exposed to petroleum complex compounds of some oil springs in south of Iran resulted in isolation and purification of a new native thermophilic strain which is capable to desulfurize petroleum sulfur compounds
Sayed Abolfazl Hosseini, Soheila Yaghmaei, Sayed Mohammad Mousavi, Ali Reza Jadidi   +3 more
doaj  

Biodesulfurization of Crude Oil Using Locally Isolated Pseudomonas aeruginosa from Oil-Contaminated Soil in Iraqi Kurdistan

Journal of Pure and Applied Microbiology
Locally sourced crude oil from Iraqi Kurdistan contains recalcitrant organosulfur compounds that impair air quality, corrode refinery equipment, and hinder compliance with fuel sulfur regulations. This study isolated a Pseudomonas sp.
Yousif Mohammed Sharif, Sherwan Mohammed Simo, Lokman Aziz Abdulkareem, Muthanna H. Al-Dahhan   +3 more
doaj   +1 more source