餐厨垃圾高温水解酸化过程研究
PDF下载 (494)樊 星,张 锐,李 兵*.餐厨垃圾高温水解酸化过程研究[J].宁波大学学报(理工版),2015,28(01):129-132.DOI:
FAN Xing,ZHANG Rui,LI Bing*.Hydrolysis and Acidification Process of High-solid Kitchen Wastes under Thermophilic Condition: Research[J].Journal of Ningbo University(Natural Science & Engineering Edition),2015,28(01):129-132.DOI:
| Title: | Hydrolysis and Acidification Process of High-solid Kitchen Wastes under Thermophilic Condition: Research |
| 作者: | 樊 星, 张 锐, 李 兵* |
| Author(s): | FAN Xing, ZHANG Rui, LI Bing* |
| 关键词: | 餐厨垃圾; 水解酸化; 高温厌氧 |
| Keywords: | kitchen waste; hydrolysis and acidification; thermophilic |
| 分类号: | X705 |
| 文献标识码: | A |
| 摘要: | 采用静态试验方式对餐厨垃圾在高温条件下的水解酸化过程进行了研究, 探讨了总固体含量(TS)分别为10%、20%与27%时, 物料水解酸化过程中pH、C/N、氨氮、醇类的变化及挥发性有机酸(VFA)的累积情况. 结果表明, 试验期间, 3种TS条件下物料的pH值均基本稳定在4~5之间, 并于3~5d内达到最低值; C/N值与VFA的累积有关, 呈先升高后降低趋势; 总醇浓度总体上呈降低趋势; 3种TS条件下的氨氮平均质量浓度分别在200mg?L-1左右、600~900mg?L-1之间和600~1300mg?L-1之间; VFA浓度不断上升, 分别由1008, 2382, 2887mg?L-1升至2282, 5665, 7159mg?L-1, VFA累积浓度与含固量成正相关. |
| Abstract: | Hydrolysis and acidogenesis process for different solid contents found in kitchen waste (TS10%, 20% and 27%) are observed under thermophilic condition, and the variations of pH, C/N, ammonia,,alcohols and VFA are investigated with statics experiment. The results indicate that in the 3 different solid contents of kitchen waste, pH value drop rapidly to 4-5 and meet the minimum value in 3-5 days; C/N ratio, because of the accumulation of VFA , increase first and then decrease. The concentration of alcohol shows an overall decreasing trend. The average concentrations of ammonia are found to be 200 mg·L-1, 600-900 mg·L-1, and 600-1300 mg·L-1, respectively. VFA has a rising trend from 1008, 2382 and 2887 mg·L-1 to 2282, 5665 and 7159 mg·L-1 respectively. There is a positive correlation between solid content and VFA, that is, the higher the solid content in waste is, the higher the VFA value reaches |
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| 备注/Memo: | 收稿日期: 2014?08?26. 宁波大学学报（理工版）网址: http://journallg.nbu.edu.cn/基金项目: “十二五”国家科技支撑计划课题（2012BAC25B05）.第一作者: 樊星（1989－）, 男, 河南济源人, 在读硕士研究生, 主要研究方向: 城市固体废弃物处理. E-mail: fanxing@nbu.edu.cn*通信作者: 李兵（1977－）, 男, 江苏泰州人, 副教授, 主要研究方向: 城市固体废弃物处理. E-mail: libing@nbu.edu.cn 宁波大学学报（理工版）网址：http://journallg.nbu.edu.cn/ |
