Wang Bo, Wan Wei, Wang Jianlong
Laboratory of Environmental Technology, INET, Tsinghua University, Beijing, PR China.
Bioresour Technol. 2009 Feb;100(3):1211-3. doi: 10.1016/j.biortech.2008.08.018. Epub 2008 Sep 21.
The effect of ammonia concentration ranging from 0 to 10 g N/L on fermentative hydrogen production by mixed cultures was investigated in batch tests using glucose as substrate at 35 degrees C and initial pH 7.0. The experimental results showed that during the fermentative hydrogen production, the substrate degradation efficiency increased with increasing ammonia concentration from 0 to 0.01 g N/L. The hydrogen production potential, hydrogen yield and average hydrogen production rate increased with increasing ammonia concentration from 0 to 0.1g N/L. The maximum hydrogen production potential of 291.4 mL, maximum hydrogen yield of 298.8 mL/g glucose and maximum average hydrogen production rate of 8.5 mL/h were all obtained at the ammonia concentration of 0.1g N/L.
在35℃、初始pH值为7.0的条件下，以葡萄糖为底物进行分批试验，研究了氨浓度在0至10 g N/L范围内对混合培养物发酵产氢的影响。实验结果表明，在发酵产氢过程中，底物降解效率随着氨浓度从0增加到0.01 g N/L而提高。产氢潜力、氢气产率和平均产氢速率随着氨浓度从0增加到0.1 g N/L而增加。在氨浓度为0.1 g N/L时，获得了最大产氢潜力291.4 mL、最大氢气产率298.8 mL/g葡萄糖和最大平均产氢速率8.5 mL/h。
