Abstract：
:A new solution for fossil raw materials desulfurization based on a hybrid chemical-biocatalytic scheme with biogas and sulfide production is proposed.·H2O2, formic acid and Na2MoO4 were used for petroleum or oil fractions pre-oxidation. Ethanol or dimethylformamide was used as extractant to remove sulfur-contained compounds from pre-oxidized straight-run diesel oil fraction, non-hydro treated vacuum gas oil, gas condensate or crude oil. Compositions of cells (anaerobic sludge, Desulfovibrio vulgaris, Clostridium acetobutilycum, Rhodococcus ruber, Rhodococcus erythropolis) were specially developed, immobilized in poly(vinyl alcohol) cryogel and used for methanogenic treatment of sulfur-containing extracts, diluted with phosphate buffer (pH 7.2) and hydrolysates of renewable raw materials. The sulfur coming into the reactor with the extracts was 100% converted to inorganic sulfide or cell biomass. The ratio of methane in the biogas was 68-76%. Bioluminescent express-methods were used to control the possible toxicity of media and metabolic activity of cells used as biocatalysts.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Maslova O,Senko O,Stepanov N,Gladchenko M,Gaydamaka S,Akopyan A,Polikarpova P,Lysenko S,Anisimov A,Efremenko Edoi
10.1016/j.biortech.2020.124248subject
Has Abstractpub_date
2021-01-01 00:00:00pages
124248eissn
0960-8524issn
1873-2976pii
S0960-8524(20)31522-4journal_volume
319pub_type
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