【摘要】 笔者在郑州市热电厂烟囱周围被烟气污染的土样中筛选培养出烟气脱硫细菌的基础上,为进一步了解其生长、繁殖的规律,在恒温条件下,用721分光光度计对5-1-b、5-3-b脱硫细菌的生长曲线进行了测定,从各菌株的生长曲线可以看出,培养8h后各菌株基本进入对数期,40h左右菌液浓度达到峰值,各菌株都经历了适应期、对数生长期、稳定期、衰亡期4个时期;并对烟气脱硫细菌进行了生理生化试验;其结果可作为选定工业化条件的参考。更多还原

【Abstract】 Based on selected 2 micdesulfurization strains from soil samples polluted by flue gas from the heat and power plant in Zhengzhou city,in order to find out their rules of growth and multiplication,the growth curves for 5-1-b、5-3-b strains have been determined with 721-spectrophotometer on the condition of constant temperature.It can be shown from their own growth curve that the strains enter into logarithm period after culturing 8 hours,and the maximum OD was determined after 40 hours or so,they have 4 growth periods,i.e adjustment period,logarithm period,stabilization period and death period.And the physiological and biochemical characteristics for micdesulfurization strains have also been experimented;the determined result of growth curves and morphological character can be as a reference of selecting industrialization condition.更多还原