[1]吴莉娜,王淑莹,彭永臻,等.不同时期垃圾渗滤液两级[J].东南大学学报(自然科学版),2010,40(6):1342-1347.[doi:10.3969/j.issn.1001-0505.2010.06.041]
 Wu Lina,Wang Shuying,Peng Yongzhen,et al.Advanced nitrogen removal via nitrite from young and mature landfill leachate by two stage UASB-A/O-SBR process[J].Journal of Southeast University (Natural Science Edition),2010,40(6):1342-1347.[doi:10.3969/j.issn.1001-0505.2010.06.041]
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不同时期垃圾渗滤液两级()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
40
期数:
2010年第6期
页码:
1342-1347
栏目:
环境科学与工程
出版日期:
2010-11-20

文章信息/Info

Title:
Advanced nitrogen removal via nitrite from young and mature landfill leachate by two stage UASB-A/O-SBR process
作者:
吴莉娜 王淑莹 彭永臻 宋燕杰 刘牡
北京工业大学北京市水质科学与水环境恢复工程重点实验室,北京 100124
Author(s):
Wu Lina Wang Shuying Peng Yongzhen Song Yanjie Liu Mu
Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
关键词:
垃圾渗滤液 脱氮 短程硝化 UASB A/O SBR
Keywords:
landfill leachate nitrogen removal partial nitrification UASB(up-flow anaerobic sludge blanket) A/O SBR(sequencing batch reactor)
分类号:
X703.1
DOI:
10.3969/j.issn.1001-0505.2010.06.041
摘要:
应用两级上流式厌氧污泥床(UASB)-缺氧/好氧(A/O)-序批式反应器(SBR)深度处理早期和晚期垃圾渗滤液.首先在一级UASB(UASB1)中实现反硝化,在二级UASB(UASB2)中通过产甲烷降解有机物,在A/O反应器的好氧区进行NH+4-N的硝化,最后在SBR中去除残余NH+4-N及通过反硝化去除NO-2-N和NO-3-N深度脱氮.试验结果表明:早期渗滤液ρ(COD),ρ(TN)和ρ(NH+4-N)分别为14.8,1.8 和1.3 mg/mL,最终出水ρ(TN),ρ(NH+4-N),ρ(NO-2-N)和ρ(NO-3-N)分别为28,4, 3.4和1.9 mg/L,获得了大于98%的TN和NH+4-N去除率.晚期渗滤液ρ(COD)为2.5 mg/mL; ρ(TN), ρ(NH+4-N)分别为3.0 和2.9 mg/mL时,获得99%以上的TN和NH+4-N去除率.最终出水ρ(NH+4-N),ρ(NO-2-N)和ρ(NO-3-N)都小于10 mg/L,最终出水ρ(TN)为26~32 mg/L.
Abstract:
A combined process of a two-stage up-flow anaerobic sludge blanket(UASB), an anoxic-aerobic(A/O)reactor and a sequencing batch reactor(SBR)was used to treat fresh and matured landfill leachate. The operational mode of the process was as follows: denitrification took place in the first stage UASB(UASB1); the chemical oxygen demand(COD)was mainly removed in the second stage UASB(UASB2)by methanogenesis; the ammonium nitrogen was removed by partial nitrification in the aerobic zone of A/O reactor; the residual ammonia nitrogen was removed in SBR; and the nitrite and nitrate which was produced by the nitrification was also removed in SBR. The experiment results show that the COD, TN and NH+4-N concentrations of fresh leachate are about 14.8, 1.8 and 1.3 mg/mL, respectively; the TN, NH+4-N, NO-2-N and NO-3-N concentrations of final effluent leachate are 28, 4, 3.4 and 1.9 mg/L, respectively; and the TN and NH+4-N removal efficiency are more than 98%. Meanwhile the COD, TN and NH+4-N concentrations of matured leachate are 2.5,3.0 and 2.9 mg/mL, respectively; the TN and NH+4-N removal efficiency are more than 99%; the NH+4-N, NO-2-N and NO-3-N concentrations of final effluent are less than 10 mg/L; the TN concentration of final effluent is about 26-32 mg/L.

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备注/Memo

备注/Memo:
作者简介: 吴莉娜(1978—),女,博士生; 彭永臻(联系人),男,博士,教授,博士生导师, pyz@bjut.edu.cn.
基金项目: 北京市自然科学基金重点资助项目(8091001)、国家自然科学基金资助项目(50978003).
引文格式: 吴莉娜,王淑莹,彭永臻,等.不同时期垃圾渗滤液两级UASB-A/O-SBR工艺深度脱氮[J].东南大学学报:自然科学版,2010,40(6):1342-1347. [doi:10.3969/j.issn.1001-0505.2010.06.041]
更新日期/Last Update: 2010-11-20