Advanced treatment of domestic wastewater by a reed filter bed system using vartical-percolation

采用自转渗滤的芦苇滤床系统深度处理生活污水

• 批准号: 09555167
• 负责人: HOSOMI Masaaki
• 金额: $ 2.11万
• 依托单位: Tokyo University of Agriculture & Technology
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 1997
• 资助国家: 日本
• 起止时间: 1997 至 1999
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-09555167/
• 关键词: Reed filter bed system; Vertical percolation; ィイD115ィエD1N stable isotope; Nitrogen removable; Denitrification; Domestic wastewater treatment; Advanced treatment; 生活排水; ヨシ; 硝化; アセチレン阻害法; ^<15>N安定同位体

The objectives of this study are (i) to make clear the effectiveness of reed and the loading formula of wastewater (i.e., continuos loading (CL) or intermittent loading (IL)) on nitrogen removal efficiency in a reed filter bed system (RFB) and (ii) to measure denitrification rates using ィイD115ィエD1N tracer method. The obtained results are as follows:1) It was found that the nitrogen removal rate in the RFB tank was higher than that in the sand tank (Control, i.e. without reeds) in both CL and IL. Although the nitrogen removal rate of the RFB with IL ranged from 47-97% (average 76%) during 19 months, that of RFB with CL exhibited seasonal variations with range of 4-95% (average 54%).2) The ィイD115ィエD1N tracer methods showed that the denitrification rates of the RFB and the sand tank ranged form 0 to 5.5, 0 to 3.4 [g-N/mィイD12ィエD1 /day] respectively. These indicate that about 60% of nitrogen loading to the RFB tank and about 80% of nitrogen loading to the sand tank were removed by denitrification. A part of remaining nitrogen loss in nitrogen balance of the RFB tank was considered to be caused by plant uptake. High denitrification rate in the RFB suggested that microbial activity in the reed rhizosphere played a important role in nitrogen removal efficiency.

本研究的目的是（i）明确芦苇的有效性和废水的负荷公式（即，连续负荷（CL）或间歇负荷（IL））对芦苇滤床系统（RFB）脱氮效率的影响;（ii）采用示踪法测定反硝化速率。结果表明：1）在CL和IL中，RFB池的脱氮率均高于砂池（对照，即无芦苇）。虽然加IL的RFB的脱氮率在47-97%之间，（平均76%），在19个月内，RFB与CL的季节变化范围为4-95%（平均54%）。2）反硝化D115和D1 N示踪法测定结果表明，反应器和砂池的反硝化速率在0 ~ 5.5之间，0至3.4 [g-N/m × D12 × D1 /天]。这表明，约60%的氮负荷的RFB罐和约80%的氮负荷的砂罐被去除反硝化。在RFB池的氮平衡中，一部分剩余的氮损失被认为是由植物吸收引起的。反硝化速率高表明芦苇根际微生物活性对脱氮效率起重要作用。

项目成果

加藤智博 徐開欽 千葉信男 樫内孝信 田中裕作 細見正明 須藤隆一: "浚渫ヘドロ上におけるヨシ原の創出手法の開発とその評価" 土木学会論文集. No.594/VII-7. 1-10 (1998)

Tomohiro Kato、Kaixin Xu、Nobuo Chiba、Takanobu Kashiuchi、Yusaku Tanaka、Masaaki Hosomi 和 Ryuichi Sudo：“在疏浚污泥上创建芦苇床的方法的开发和评估”日本土木工程师学会论文集第 594 号/。 VII-7。1-10（1998）

Kai-Qin, XU, Tomohiro, KATOU, Yuhei, MINAMORI, Osamu, NISHIMURA, Masaaki, HOSOMI, Ryuichi, SUDOU: "Evaluation of Water Purification Function of Artificial Reed Field Wetland Ecosystems Created Dredged Sediments"Journal of Water and Waste. 41(6). 504-512 (

Kai-Qin, XU, Tomohiro, KATOU, Yuhei, MINAMORI, Osamu, NISHIMURA, Masaaki, HOSOMI, Ryuichi, SUDOU：“人工芦苇田湿地生态系统疏浚沉积物的水质净化功能评估”水与废物杂志。

細見 正明: "4-3 湿地生態系の創出技術(分担執筆)、環境保全・創出のための生態工学"丸善. 12 (1999)

细见正明：“4-3湿地生态系统创建技术（合着），环境保护和创建的生态工程”Maruzen 12（1999）。

細見 正明: "第46章・水域直接浄化施設(分担執筆),水処理管理便覧" 丸善, 6 (1998)

Masaaki Hosomi：“第46章 - 直接水净化设施（共同作者），水处理管理手册” Maruzen，6（1998）

細見正明・秋葉道宏: "第10章人工水辺緑地 第4節人工湿地の水生植物生育基盤の整備(分担執筆)" 「土の環境圏」 岩田進午喜田大三監修 フジテクノシステム, 1388 (1997)

Masaaki Hosomi和Michihiro Akiba：“第10章人工水边绿地第4节人工湿地中水生植物生长基础设施的开发（贡献者）”“土壤环境领域”由Shingo Iwata和Daizo Kita Fuji Techno System监督，1388（1997年）