Breeding method and application of desulfurization strain with high sulfur oxidation performance
A technology of desulfurization bacteria and sulfur oxidation, applied in the field of bioengineering, can solve the problems of few desulfurization strains and few desulfurization strains, etc., and achieve the effects of increasing the production rate of elemental sulfur, lowering the operating cost, and improving the sulfur oxidation performance.
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Embodiment 1
[0048]This embodiment provides a breeding method of high-sulfur oxidative detholite strains, as follows:
[0049](1) Inoculated into the TD medium to TD medium, the wild desirabus d301 was cultured in 180 rpm and 30 ° C for 30 hours, and the sulfur particles were removed by low speed at 1000 rpm, 2 min, and then transferred to a new centrifuge, The cells were collected from centrifugation at 8000 rpm and 5 min, and then suspended with a clean TD medium, wash cells, centrifugally collected. Suspended by TD medium, dimming density OD600 is 1.0, diluted to cell density of 105CFU / ml.
[0050](2) Take the above 0.1 ml of diluted bacterial liquid coated on TDS solid medium containing 120 mmol / L of sulfide, plasma treatment. The position of the electrode is adjusted such that the distance between the upper and lower electrodes is controlled at 3 mm, the voltage 3V and current 0.5a are adjusted, and the gas generates discharge to obtain a uniform air medium blocking discharge plasma. Sustaine...
Embodiment 2
[0057]The present embodiment performs biosulfurization performance verification of the high-sulfur oxidative detholane strain D309 screened by wild-type strain D301 and Example 1.
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