SONG Tian-yi.Bardenpho+Biofiltration(DN+CN) Process Used in Wastewater Treatment Plant with Effluent of Quasi-Ⅳ Water Standard[J].China Water & Wastewater,2020,36(22):106-109.
Bardenpho+生物濾池（DN+CN）用于污水廠準Ⅳ類出水提標
- Title:
- Bardenpho+Biofiltration(DN+CN) Process Used in Wastewater Treatment Plant with Effluent of Quasi-Ⅳ Water Standard
- 關鍵詞:
- 準Ⅳ類水質; 多級AO工藝; 反硝化濾池（DN池）; 曝氣生物濾池（CN池）
- Keywords:
- quasi-Ⅳ water quality; multi-stage AO process; denitrification filter (DN); biological aerated filter (CN)
- 摘要:
- 河南省三門峽市某縣城污水處理廠現狀規(guī)模為3×104 m3/d，采用CAST+絮凝沉淀+纖維轉盤過濾工藝，出水水質執(zhí)行一級A排放標準。提標改造工程將出水水質提高到地表水準Ⅳ類水質。針對該廠進水NH3-N、TN濃度較高的特點，改造工程注重對脫氮功能的強化，即將生化系統(tǒng)CAST工藝改造為Bardenpho(A2O+AO)工藝，同時深度處理系統(tǒng)增加反硝化濾池（DN池）和曝氣生物濾池（CN池）。項目改造后運行穩(wěn)定良好，出水水質全面優(yōu)于準Ⅳ類水質標準。
- Abstract:
- The current treatment scale of a county wastewater treatment plant of Sanmenxia City in Henan Province was 3×104 m3/d. The combination process of CAST+flocculation sedimentation+fiber rotary table filtration process was applied, and the effluent quality was required as first class A discharge standard. The project was required to improve the effluent quality to quasi-Ⅳ level. In view of the high concentration of NH3-N and TN in the influent, the transformation focused on the enhancement of denitrification performance, i.e. the biochemical system CAST process was transformed into Bardenpho process(A2O+AO), while the advanced treatment system was added with denitrification filter (DN tank) and biological aerated filter (CN tank). After the reconstruction of the project, the production operation is stable and the effect is good. The effluent quality is better than the quasiⅣ water quality standard.
ZHENG Ji-li,PAN Hong-zhong,ZHUANG Hua-qing.Treatment and Ecological Restoration of Urban Black-odorous River in Changzhou Zaogang River[J].China Water & Wastewater,2018,34(22):90-95.
常州藻港河黑臭河道治理與生態(tài)修復
- Title:
- Treatment and Ecological Restoration of Urban Black-odorous River in Changzhou Zaogang River
- 文章編號:
- 1000-4602(2018)22-0090-06
分類號:- TU992
- 文獻標志碼:
- C
摘要:- 以常州市新橋鎮(zhèn)藻港河西支為治理對象,遴選深層微孔層流曝氣、微生物強化降解、生態(tài)浮島等技術進行集成,對該黑臭河道進行治理與生態(tài)修復。第三方機構水質檢測結果表明:該工程經過5個月的調試運行,河道水質狀況明顯改善,總磷、氨氮和COD的去除率分別達到84.4%、98.6%和65.3%,治理后達到地表水Ⅳ類水質標準。工程實踐證明,該集成技術能夠有效去除黑臭水體中的有機物、氨氮、總磷等污染物,增加水體透明度和溶解氧。通過建立長效管護機制,可從根本上恢復河流生態(tài)系統(tǒng),進而改善和維護水質。
Abstract:- An integrated system of bottom laminar flow aeration, biological enhanced degradation, and ecological floating islands was used to treat the west branch of Zaogang River in Xinqiao Town, Changzhou. The testing results by the third party showed that the water quality in the river was significantly improved after five-month treatment. The average removal rates of TP, NH+4-N, and COD have reached 84.4%, 98.6%, and 65.3% respectively. The water quality was better than level Ⅳ in Environmental Quality Standards for Surface Water(GB 3838-2002). Practice has proved that this integrated system could effectively remove pollutants such as TP, NH+4-N and COD in the black-odorous river, increase water transparency and DO. Through the establishment of long-term protection plan, it could fundamentally restore river ecosystems and improve the water quality.
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相似文獻/References:
[1]林秀,張鳳娥,劉亞清,等.芽孢桿菌降解黑臭河道底泥的實驗研究[J].中國給水排水,2021,37(13):83.
LIN Xiu,ZHANG Feng-e,LIU Ya-qing,et al.Degradation of Sediments by Bacillus in Black and Odorous River[J].China Water & Wastewater,2021,37(22):83.
備注/Memo
通信作者: 潘紅忠 E-mail:110930912@qq.com
作者簡介:鄭繼利(1992- ), 男, 山東莘縣人, 碩士研究生, 主要研究方向為水治理與水生態(tài)。 E-mail:jili.zheng@qq.com
收稿日期:2018-05-07
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