DONG Shan yan,CHEN Gang,CHI Chun rong,et al.Effect of Anaerobic Environment on Performance of UNITANK Process[J].China Water & Wastewater,2018,34(21):74-79.
厭氧環(huán)境對UNITANK工藝性能的影響
- Title:
- Effect of Anaerobic Environment on Performance of UNITANK Process
- 文章編號:
- 1000-4602(2018)21-0074-06
分類號:- TU992.3
- 文獻標(biāo)志碼:
- C
摘要:- 以贛南地區(qū)低碳源實際城市污水為研究對象，分析了UNITANK工藝中邊池厭氧時間對系統(tǒng)脫氮除磷性能的影響。結(jié)果表明，當(dāng)內(nèi)回
流比為100%時，隨著邊池厭氧時間的增加，TN去除率呈現(xiàn)先增加后減小的趨勢，而TP去除率則逐漸增大；邊池厭氧時間對COD、NH3-N的去除效果影響較小。當(dāng)厭氧時間為60 min時，出水COD、NH3-N、TN、TP的平均濃度分別為11.07、0.93、11.78、0.85 mg/L，除TP外其他3項指標(biāo)均優(yōu)于《城鎮(zhèn)污水處理廠污染物排放標(biāo)準(zhǔn)》（GB 18918—2002）的一級A標(biāo)準(zhǔn)要求；通過考察試驗裝置邊池半周期內(nèi)各組分濃度的動態(tài)變化，在邊池厭氧時間為100 min的條件下，厭氧釋磷現(xiàn)象最為明顯，邊池NO-2-N積累濃度最高，邊池存在反硝化過程和釋磷過程對碳源的競爭問題。
Abstract:- The effect of the anaerobic time in the side tank on the efficiency of nitrogen and phosphorus removal of the UNITANK process was investigated based on the actual municipal sewage from the south Jiangxi area. The results showed that when the internal reflux ratio was 100%, with the increase of the anaerobic time in the side tank, the removal rate of TN was firstly increased and then decreased, while the removal rate of TP increased gradually. The anaerobic time in the side tank had negligible effect on the removal efficiency of COD and NH3-N. When the anaerobic time was 60 min, the average concentrations of effluent COD, NH3-N, TN and TP were 11.07 mg/L, 0.93 mg/L, 11.78 mg/L and 0.85 mg/L, respectively. All indicators except TP had satisfied the first level A standard in the Discharge Standards of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002). The dynamic changes of the component concentrations in the half cycle of the side tank were investigated. When the anaerobic time in the side tank was 100 min, the anaerobic phosphorus release was obvious, and the concentration of NO-2-N in the side tank was at the highest level. The processes of denitrification and phosphorus release in the side tank competed for the carbon source.
參考文獻/References:
［1］羅雋,周秀秀,林方敏,等. 南方某污水廠UNITANK工藝的活性污泥性狀評估［J］. 中國給水排水,2016,32(1):31-34. Luo Jun,Zhou Xiuxiu,Lin Fangmin,et al. Evaluation of characteristics of activated sludge in UNITANK process in a WWTP in South China［J］. China Water & Wastewater,2016,32(1):31-34(in Chinese).
［2］廖振良,朱柏榮,葉建鋒. UNITANK工藝機理及其研究進展［J］. 水處理技術(shù),2009,35(1):20-23. Liao Zhenliang,Zhu Bairong,Ye Jianfeng. Progress of UNITANK process and mechanism［J］. Technology of Water Treatment,2009,35(1):20-23(in Chinese).
［3］雷明,張勇,徐廷國,等. UNITANK工藝強化生物除磷運行矩陣的確定［J］. 工業(yè)水處理,2011,31(9):41-43. Lei Ming,Zhang Yong,Xu Tingguo,et al. Study on the running matrix of enhanced biological dephosphorization by UNITANK process［J］. Industrial Water Treatment,2011,31(9):41-43(in Chinese).
［4］陳婉如,張勇,崔松陽. 提高UNITANK工藝去除氨氮效能的研究［J］. 中國給水排水,2011,27(11):84-87. Chen Wanru,Zhang Yong,Cui Songyang. Measures for improving ammonia nitrogen removal efficiency by UNITANK process［J］. China Water & Wastewater,2011,27(11):84-87(in Chinese).
［5］羅雋,周秀秀,劉暢,等. 南方某UNITANK工藝污水處理廠活性污泥性狀改善［J］. 中國給水排水,2016,32(16):119-122. Luo Jun,Zhou Xiuxiu,Liu Chang,et al. Improvement of activated sludge performance in a wastewater treatment plant with UNITANK process in South China［J］. China Water & Wastewater,2016,32(16):119-122(in Chinese).
［6］陶芳,黃燕,高尚,等. PCRDGGE法分析溫度對A2/O系統(tǒng)硝化菌群結(jié)構(gòu)的影響［J］. 華東師范大學(xué)學(xué)報:自然科學(xué)版,2009,(5):53-62. Tao Fang,Huang Yan,Gao Shang,et al. Application of PCRDGGE to analyze the effect of temperature on structure of nitrifying bacteria in A2/O system［J］. Journal of East China Normal University:Natural Science,2009,(5):53-62(in Chinese).
［7］趙夢月,王博,郭媛媛,等. 部分短程硝化SBR實現(xiàn)低C/N比生活污水碳源的充分利用［J］. 化工學(xué)報,2016,67(11):4825-4836. Zhao Mengyue,Wang Bo,Guo Yuanyuan,et al. Efficient organics utilization of low C/N ratio domestic sewage through partial nitritation SBR［J］. CIESC Journal,2016,67(11):4825-4836(in Chinese).
［8］王社平,邵軍峰,萬瓊,等. A2/O工藝中二沉池污泥上浮的原因與對策［J］. 中國給水排水,2010,26(13):43-45. Wang Sheping,Shao Junfeng,Wan Qiong,et al. Causes and countermeasures on sludge floating in secondary sedimentation tank in A2/O process［J］. China Water & Wastewater,2010,26(13):43-45(in Chinese).
［9］葛勇濤,焦陽,李軍,等. 乙酸鈉碳源強化生物濾池對二沉池出水的脫氮效果［J］. 中國給水排水,2011,27(7):98-100. Ge Yongtao,Jiao Yang,Li Jun,et al. Sodium acetate as carbon source for enhancing nitrogen removal from secondary effluent with biological filter［J］. China Water & Wastewater,2011,27(7):98-100(in Chinese).
［10］徐建宇,陳騰殊,羅陽,等. 回流污泥比對厭氧釋磷效果的影響［J］. 云南化工,2001,38(1):20-23. Xu Jianyu,Chen Tengshu,Luo Yang,et al. Effect of recycle ratio on phosphorus removal of anaerobic process［J］. Yunnan Chemical Technology,2001,38(1):20-23(in Chinese).
備注/Memo
基金項目：國家自然科學(xué)基金資助項目(51464014)；江西省教育廳科學(xué)技術(shù)研究項目(GJJ150662)；江西理工大學(xué)博士啟動基金資助項目(3401223198)
作者簡介： 董姍燕（1977- ），女，安徽明光人，博士，講師，主要從事污水處理工藝仿真及優(yōu)化研究。
E-mail:wydeccr@163.com
收稿日期：2018-04-23
