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| 剩余活性污泥完全资源化利用微生物集成技术 | |
| 引用本文： | 李强,李保宾,孙村民,王聪,邓飞,曾猛,王淑芳,杨超,宋存江.剩余活性污泥完全资源化利用微生物集成技术[J].微生物学通报,2011,38(4):481-486. |
| 作者姓名： | 李强 李保宾 孙村民 王聪 邓飞 曾猛 王淑芳 杨超 宋存江 |
| 作者单位： | 1. 南开大学,分子微生物与技术教育部重点实验室,天津,300071 2. 南开大学,分子微生物与技术教育部重点实验室,天津,300071;南开大学,生物活性材料教育部重点实验室,天津,300071 3. 南开大学,生物活性材料教育部重点实验室,天津,300071 |
| 基金项目： | 国家863计划项目(No. 2007AA06Z323); 天津市科技攻关专项项目(No. 05YFSZSF02200) |
| 摘 要： | 剩余活性污泥完全资源化利用微生物集成技术包括: 使用土著PHA合成菌回注法驯化并发酵活性污泥, 生产生物降解材料聚羟基脂肪酸酯(PHA); 采用土著嗜酸性氧化亚铁硫杆菌和氧化硫硫杆菌进行生物淋滤, 去除重金属; 以解磷菌和解钾菌为菌种, 进行固态发酵, 生产生物菌肥。结果表明, 500 L中试PHA占挥发性悬浮固体的20%以上; 重金属含量达到国家排放要求; 生物菌肥中活菌数大于1×108 个/g以上。实现了剩余活性污泥的近零排放。 |
| 关 键 词： | 剩余活性污泥 PHA合成菌 生物淋滤 重金属去除 生物菌肥 |
Microbiological technology for the comprehensive utilization of excess activated sludge |
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| LI Qiang,LI Bao-Bin,SUN Cun-Min,WANG Cong,DENG Fei,ZENG Meng,WANG Shu-Fang,YANG Chao and SONG Cun-Jiang.Microbiological technology for the comprehensive utilization of excess activated sludge[J].Microbiology,2011,38(4):481-486. | |
| Authors: | LI Qiang LI Bao-Bin SUN Cun-Min WANG Cong DENG Fei ZENG Meng WANG Shu-Fang YANG Chao and SONG Cun-Jiang |
| Institution: | 1. Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin 300071, China;1. Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin 300071, China;1. Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin 300071, China; 2. Key Laboratory of Bioactive Materials, Ministry of Education, Nankai University, Tianjin 300071, China;1. Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin 300071, China; 2. Key Laboratory of Bioactive Materials, Ministry of Education, Nankai University, Tianjin 300071, China;1. Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin 300071, China; 2. Key Laboratory of Bioactive Materials, Ministry of Education, Nankai University, Tianjin 300071, China;2. Key Laboratory of Bioactive Materials, Ministry of Education, Nankai University, Tianjin 300071, China;2. Key Laboratory of Bioactive Materials, Ministry of Education, Nankai University, Tianjin 300071, China;1. Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin 300071, China;1. Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin 300071, China; 2. Key Laboratory of Bioactive Materials, Ministry of Education, Nankai University, Tianjin 300071, China |
| Abstract: | Microbial technology for the comprehensive utilization of excess activated sludge, i.e. production of PHA by adding native PHA synthesis-bacteria during domestication and fermentation for activated sludge; bioleaching activated sludge to remove heavy metals by Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans; production of biological fertilization by using solid state fermentation for P-solubilizing bacteria and K-releasing bacteria. Results showed that the ratio of PHA in VSS was above 20% under the 500 L pilot scale; the contents of heavy metals in activated sludge accorded with the National Discharge Standard; the number functional bacteria for microbial fertilizer was above one hundred million. |
| Keywords: | Excess activated sludge PHA-synthesis-bacteria Bioleaching Removing heavy metals Microbial fertilizer |
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