Results 161 to 170 of about 1,644 (184)

Biodesulf urization

Current Opinion in Microbiology, 1999
Microbial sulfur-specific transformations have been identified that selectively desulfurize organic sulfur compounds in fossil fuels. Recent discoveries related to biodesulfurization mechanisms may lead to commercial applications of biodesulfurization through engineering recombinant strains for over-expression of biodesulfurization genes, removal of ...
openaire   +2 more sources

Enhancement of bunker oil biodesulfurization by adding surfactant

World Journal of Microbiology and Biotechnology, 2012
Biodesulfurization (BDS) is a promising method to remove sulfur compounds from diesel and gasoline. However, the information on BDS of heavy oil is scanty, which might be due to their "undesirable" physical properties and more complicated sulfur diversities. In this study, the BDS of one kind of heavy oil, bunker oil MFO380 was investigated.
Wangliang, Li, Xia, Jiang
openaire   +2 more sources

Biodesulfurization: a model system for microbial physiology research

World Journal of Microbiology and Biotechnology, 2016
Biological desulfurization (biodesulfurization) of dibenzothiophene (DBT) by the 4S pathway is a model system for an enviromentally benign way to lower the sulfur content of petroleum. Despite a large amount of effort the efficiency of the 4S pathway is still too low for a commercial oil biodesulfurization process, but the 4S pathway could potentially ...
John J, Kilbane, Benjamin, Stark
openaire   +2 more sources

Dibenzothiophene biodesulfurization pathway improvement using diagnostic GFP fusions

Biotechnology and Bioengineering, 2004
AbstractThe dibenzothiophene biodesulfurization pathway has shown significant potential for improving the processing of sulfur‐containing fossil fuels. However, the rate of desulfurization is limited by the last enzyme in the pathway, DszB. Genetic constructs designed to produce increased DszB activity were not functional due to low production of DszB,
David S, Reichmuth, Harvey W, Blanch, Jay D, Keasling   +2 more
openaire   +2 more sources

Biodesulfurization and the upgrading of petroleum distillates

Current Opinion in Biotechnology, 2000
Biotechnology offers an alternative way to process fossil fuels. There have been several important advances in the elucidation of the mechanisms of biodesulfurization and the development of a biocatalytic desulfurization process. These include a detailed analysis of the rate and extent of desulfurization of real target molecules in a diesel matrix, the
openaire   +2 more sources

Thermophilic biodesulfurization and its application in oil desulfurization

Applied Microbiology and Biotechnology, 2018
To reduce the harm caused to the environment by fuel combustion and meet the increasingly stringent emission standards, the sulfur content of fuels should be reduced. Dibenzothiophene, benzothiophene, and their derivatives are sulfur-containing components of fuels that are difficult to desulfurize and can therefore cause great environmental damage ...
Shuiquan Chen, Chaocheng Zhao, Qiyou Liu, Meng Zang, Chunshuang Liu, Yunbo Zhang   +5 more
openaire   +2 more sources

Recent Developments in Biodesulfurization of Fossil Fuels

2009
The emission of sulfur oxides can have adverse effects on the environment. Biodesulfurization of fossil fuels is attracting more and more attention because such a bioprocess is environmentally friendly. Some techniques of desulfurization have been used or studied to meet the stricter limitation on sulfur content in China.
Ping, Xu, Jinhui, Feng, Bo, Yu, Fuli, Li, Cuiqing, Ma   +4 more
openaire   +2 more sources

Biodesulfurization: How to Make it Work?

Arabian Journal for Science and Engineering, 2016
Desulfurization biocatalysts have been demonstrated to selectively oxidize and/or cleave carbon–sulfur bonds in a wide range of chemicals, yet an economically viable biodesulfurization process has not been developed. There are two reasons for this: failure to explore the full range of applications of biodesulfurization using existing biocatalysts and a
openaire   +1 more source

Biodesulfurization of refractory organic sulfur compounds in fossil fuels

Biotechnology Advances, 2007
The stringent new regulations to lower sulfur content in fossil fuels require new economic and efficient methods for desulfurization of recalcitrant organic sulfur. Hydrodesulfurization of such compounds is very costly and requires high operating temperature and pressure. Biodesulfurization is a non-invasive approach that can specifically remove sulfur
Mehran, Soleimani, Amarjeet, Bassi, Argyrios, Margaritis   +2 more
openaire   +2 more sources

Biodesulfurization using Pseudomonas delafieldii in magnetic polyvinyl alcohol beads

Letters in Applied Microbiology, 2005
To immobilize Pseudomonas delafieldii R-8 cells in magnetic polyvinyl alcohol (PVA) beads for biodesulfurization.Magnetic PVA beads were prepared by a freezing-thawing technique under liquid nitrogen. The beads have distinct super-paramagnetic properties and their saturation magnetization is 8.02 emu g(-1).
S, Guobin, X, Jianmin, G, Chen, L, Huizhou, C, Jiayong   +4 more
openaire   +2 more sources