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Aleev, R. S.; Voronov, V. G.; Ismagilova, Z. F.; Сафин, Р. Р.; Ismagilov, F. R.

doi:10.1023/a:1020238003142

Chemistry and Technology of Fuels and Oils

2002

DOI: 10.1023/a:1020238003142

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R. S. Aleev

V. G. Voronov

Z. F. Ismagilova

et al.

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Cited by 2 publications

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“…The physicochemical and hydrodynamic parameters of reaction of hydrogen sulfide with formaldehyde in the gas-liquid volume were determined [3,4].…”

mentioning

confidence: 99%

Stabilization of crude oil in hydrocyclones with treatment of casing-head gas to remove hydrogen sulfide

Gaidukevich

Akhsanov

Сафин

et al. 2005

Chem Technol Fuels Oils

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A method is proposed for stabilization of crude oil and condensate in hydrocyclones to create closed systems for exhaustive preparation of feedstock. Hydrocyclones are small, simple in layout, and highly efficient units that allow enhancing operation of the primary crude oil preparation system and equipping units in block-aggregate layout. Pilot-industrial tests of crude stabilization processes using centrifugal forces and preparation of gas to remove hydrogen sulfide demonstrate the possibility of industrial introduction of the new technology.

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“…The physicochemical and hydrodynamic parameters of reaction of hydrogen sulfide with formaldehyde in the gas-liquid volume were determined [3,4].…”

mentioning

confidence: 99%

Stabilization of crude oil in hydrocyclones with treatment of casing-head gas to remove hydrogen sulfide

Gaidukevich

Akhsanov

Сафин

et al. 2005

Chem Technol Fuels Oils

Self Cite

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Evidence of in situ microbial activity and sulphidogenesis in perennially sub-0 °C and hypersaline sediments of a high Arctic permafrost spring

et al. 2014

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The lost hammer (LH) spring perennially discharges subzero hypersaline reducing brines through thick layers of permafrost and is the only known terrestrial methane seep in frozen settings on Earth. The present study aimed to identify active microbial communities that populate the sediments of the spring outlet, and verify whether such communities vary seasonally and spatially. Microcosm experiments revealed that the biological reduction of sulfur compounds (SR) with hydrogen (e.g., sulfate reduction) was potentially carried out under combined hypersaline and subzero conditions, down to -20 °C, the coldest temperature ever recorded for SR. Pyrosequencing analyses of both 16S rRNA (i.e., cDNA) and 16S rRNA genes (i.e., DNA) of sediments retrieved in late winter and summer indicated fairly stable bacterial and archaeal communities at the phylum level. Potentially active bacterial and archaeal communities were dominated by clades related to the T78 Chloroflexi group and Halobacteria species, respectively. The present study indicated that SR, hydrogenotrophy (possibly coupled to autotrophy), and short-chain alkane degradation (other than methane), most likely represent important, previously unaccounted for, metabolic processes carried out by LH microbial communities. Overall, the obtained findings provided additional evidence that the LH system hosts active communities of anaerobic, halophilic, and cryophilic microorganisms despite the extreme conditions in situ.

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Untitled

Cited by 2 publications

References 1 publication

Stabilization of crude oil in hydrocyclones with treatment of casing-head gas to remove hydrogen sulfide

Stabilization of crude oil in hydrocyclones with treatment of casing-head gas to remove hydrogen sulfide

Evidence of in situ microbial activity and sulphidogenesis in perennially sub-0 °C and hypersaline sediments of a high Arctic permafrost spring

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