Bio-desulfurization technology of biogas is a better default effect now. The following edition will tell you a few factors affecting bio-desulfurization of biogas!
DO is an important factor affecting the effect of biological desulfurization. It was found that there was a DO value in the reactor under different sulfide loads. At this time, the sulfide removal rate of the reactor is relatively high (more than 90%), most of the S2 - is converted to S0, and no SO42 - is produced. Therefore, it is considered that the DO value is related to the sulfide load, and there is a linear relationship between the DO value and the sulfide load.
（2）pH值對生物脫硫效果的影響
(2) Effect of pH Value on Biological Desulfurization
PH value affects the activity of colorless sulfur bacteria and the existence of sulfide in wastewater. Colorless sulfur bacteria can adapt to a wide range of pH values, but most bacteria can adapt to a range of 6-8. The pH value does have a linear relationship with the sulfide removal load of the reactor.
Buisman et al. studied the applicability of colorless sulfur bacteria desulfurization by using three kinds of reactors: complete mixing reactor (CSTR), rotating reactor and upflow reactor. Under the condition that the sulfide effluent concentration is less than 2 mg/L, the removal rates of the three reactors are 2.4, 10, 11 kg/m3.d, and the residence time of the three reactors are 35, 10 and 13 minutes, respectively.
（4）硫化物的負荷對生物脫硫過程效果的影響
(4) Effect of sulphide loading on biological desulfurization process
Whether the desulfurization effect can be maintained under high sulfide load is an important index to measure the desulfurization reactor. The higher the sulfide volume load, the better the microbial desulfurization reactor can maintain good operation effect, and it is not easy to increase SO42 - concentration in effluent. The operation conditions are easy to control and the operation effect is more stable.
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2019-07-19
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