AKTIVITAS BIODESULFURISASI DIBENZOTIOFENA DALAM MODEL MINYAK TETRADEKANA PADA RASIO MINYAK AIR DAN KONSENTRASI RESTING SEL ISOLAT BAKTERI SBJ8

  • I Gede Krisna Putra Pratama JURUSAN TEKNOLOGI INDUSTRI PERTANIAN FAKULTAS TEKNOLOGI PERTANIAN UNIVERSITAS UDAYANA
  • Ida Bagus Wayan Gunam JURUSAN TEKNOLOGI INDUSTRI PERTANIAN FAKULTAS TEKNOLOGI PERTANIAN UNIVERSITAS UDAYANA
  • G.P. Ganda Putra JURUSAN TEKNOLOGI INDUSTRI PERTANIAN FAKULTAS TEKNOLOGI PERTANIAN UNIVERSITAS UDAYANA

Abstract

This study aims to determine the best ratio of oil / water and concentration of resting cells
and determine the time course of resting cells bacteria  isolates SBJ8  to be known the
biodesulfurization capability in two-phase media using media mineral salt sulfur free-tetradecane
(MSSF-TD). Oil/water  ratio used in this study is 1 : 1 , 1 : 2 and 1 : 4 in combination with cell
concentration by OD
660
10, 20,  and 30. The  study was conducted using 200  mg ·  l
–1
dibenzothiophene as a source of sulfur dissolved in tetradecane as a  model of petroleum (oil
phase). Isolates were incubated for 24 hours  at 37°C and the residue analyzed by  gass
cromathography mass selective (GC-MS).  Testing the degradation of resting cells is
accomplished by two replications.  The results showed that the ratio of  oil water 1 : 4 by and cell
concentration OD
660
30 shows the results of the highest degradation of 84.84% and the time
course of 24 hours resting cells show degradation rate dibenzothiophene up to 81.84%.



Keywords :  Biodesulfurization, dibenzothiophene, tetradecane, resting cells

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How to Cite
PUTRA PRATAMA, I Gede Krisna; WAYAN GUNAM, Ida Bagus; GANDA PUTRA, G.P.. AKTIVITAS BIODESULFURISASI DIBENZOTIOFENA DALAM MODEL MINYAK TETRADEKANA PADA RASIO MINYAK AIR DAN KONSENTRASI RESTING SEL ISOLAT BAKTERI SBJ8. JURNAL REKAYASA DAN MANAJEMEN AGROINDUSTRI, [S.l.], v. 5, n. 1, p. 21-30, jan. 2017. ISSN 2503-488X. Available at: <https://ojs.unud.ac.id/index.php/jtip/article/view/26886>. Date accessed: 23 june 2021.
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