城市污水处理厂尾水人工湿地净化工程调试与运行

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第36卷期数: 2020年第9期页码: 94-100 栏目: 出版日期: 2020-05-01

Title:: Commissioning and Operation of Constructed Wetland Project for Purification of Tail Water from Municipal Wastewater

作者:: 杜曼曼，张琼华，连斌，王晓昌

关键词:: font-size: 10pt; ">城市污水处理厂尾水; 人工湿地; 深度净化; 调试与运行

Keywords:: Times New Roman"; font-size: 10pt; ">tail water from municipal wastewater treatment plant; constructed wetland; advanced purification; commissioning and operation

摘要:: 基于宜兴城市污水处理厂尾水深度净化的需求，建设了 5 000 m ³/d 以“建筑废弃块”为主要基质填料的复合式人工湿地系统。经过 46 d 的调试该系统完成启动，随后满负荷运行，运行 6 个月左右（ 186 d ）发现，在稳定运行阶段该湿地系统对 TN 、 NH₄ ⁺ - N 、 NO₃ ^- -N 、 TP 、 COD 的平均去除率分别为 40% 、 31.1% 、 46.4% 、 72% 、 12.5% 。可见，复合式人工湿地系统对宜兴城市污水处理厂尾水具有良好的净化效果，可实现氮、磷营养物质的高效去除，有效实现“以废治废”的目的。该系统为污水处理厂尾水的深度净化提供了一种新范式。

Abstract:: A composite constructed wetland system with treatment capacity of 5 000 m ³/d was constructed for advanced purification of tail water from Yixing municipal wastewater treatment plant. The fillers of the system were mainly building waste blocks.The wetland system was successfully commissioned after 46 days of operation, and then it was operated with full capacity. After nearly six months (186 days) of operation, the average removal rates of TN, NH₄ ⁺ -N ,NO₃ ^- - N, TP and COD by the system during the stable period were 40%,31.1%,46.4%,72% and 12.5%,respectively.The composite constructed wetland system performed well in advanced purification of the tail water from Yixing municipal wastewater treatment plant, which effectively removed nutrients of nitrogen and phosphorus, and achieved the purpose of “ waste control by waste ” . The system provides a new reference for advanced purification of tail water from the wastewater treatment plant.

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更新日期/Last Update: 2020-05-01