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| CO_2吹脱提升厌氧发酵液pH值研究 | |
| 引用本文： | 李小平,魏泉源,金明军,胡静,徐攀,董仁杰. CO_2吹脱提升厌氧发酵液pH值研究[J]. 中国沼气, 2010, 28(3): 3-7,27 |
| 作者姓名： | 李小平 魏泉源 金明军 胡静 徐攀 董仁杰 |
| 作者单位： | 1. 中国农业大学水利与土木工程学院,北京,100083 2. 北京市环境保护科学研究院,北京,100037 3. 中国农业大学工学院,北京,100083 |
| 基金项目： | 国家"十一五"科技支撑项目 |
| 摘 要： | 本文研究了CO2吹脱提升厌氧发酵液pH值的效果,考察了实验过程中无机碳(IC)变化情况,分析了温度、空气流量及采用CO2过滤后空气为载气对提升厌氧发酵液pH的影响。研究表明,进行CO2吹脱的前2 h,pH值上升较快,随着吹脱至12 h,上升速度逐渐减小,pH值逐渐趋于不变。随着温度的升高与空气流量的增大,厌氧发酵液pH值也会随吹脱的进行上升速度加快。 |
| 关 键 词： | 厌氧发酵液 CO2吹脱 传质推动力 pH升高 |
Increasing the Fermentation Slurry pH Inside Digester by CO2 stripping |
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| LI Xiao-ping,WEI Quan-yuan,JIN Ming-jun,HU Jing,XU Pan,DONG Ren-jie. Increasing the Fermentation Slurry pH Inside Digester by CO2 stripping[J]. China Biogas, 2010, 28(3): 3-7,27 | |
| Authors: | LI Xiao-ping WEI Quan-yuan JIN Ming-jun HU Jing XU Pan DONG Ren-jie |
| Affiliation: | LI Xiao-ping1,WEI Quan-yuan2,JIN Ming-jun3,HU Jing1,XU Pan1,DONG Ren-jie3 (1.College of Water Conservancy& Civil Engineering,China Agricultural University,Beijing 100083,China,2.Beijing Munivipal Research Institute of Environmental Protection,Beijing 100037,3.College of Engineering,China) |
| Abstract: | This paper concentrated on the pH increasing in anaerobic digester by CO2 stripping.The effects of temperature,air flow rate and atmospheric CO2 content on fermentation pH in anaerobic digester treated by CO2 stripping,the inorganic carbon(IC) variation of fermentation slurry,was monitored to assist explaining the pH increasing.The results showed that,the pH increased fast in the first two hours and slowed down in the next ten hours,and got stable at last.And the pH increased faster with higher temperature ... |
| Keywords: | fermentation slurry CO2 stripping mass transfer power pH increase |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |