Study on the applicability of free water surface wetland (fws) scale of wastewater treatment laboratory for green rest stops

Transport and Communications Science Journal Pub Date : 2024-05-15 DOI:10.47869/tcsj.75.4.17

Hanh Vu Kim, Thao Vu Phuong

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Abstract

The Free Water Surface wetland (FWS) has emerged as a promising technological solution for wastewater treatment in natural environments. The study aimed at investigating the performance of a laboratory-scale Free Water Surface wetland (FWS) unit designed to treat domestic wastewater with a daily capacity of 20 liters. This model can be applied at some rest stops towards creating "Green Rest Stops" on highways. The laboratory experiments on bronze banana plants have shown that the model operates effectively under specific settings and with the characteristics of residential wastewater from public toilets, which has undergone pretreatment through septic tanks. These conditions are conducive to promoting healthy growth in the plants. The FWS model for cultivating canna hybrid plants (Canna generalis) has a total surface area of 0.26 square meters and operates based on the principles of free wastewater flow. The model has a water retention duration of 70 hours, approximately three days. The treatment efficiency for TSS, BOD5, NH4+ - N, and Coliform is 37-53%, 73-77%, 41-46%, and 37-54%, respectively. The treated wastewater complies with the National technical regulations on water quality, QCVN 14:2008/BTNMT (B) standards

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绿色休息站废水处理实验室自由水面湿地 (fws) 规模的适用性研究

自由水面湿地（FWS）已成为在自然环境中处理废水的一种前景广阔的技术解决方案。本研究旨在调查实验室规模的自由水面湿地（FWS）装置的性能，该装置设计用于处理日处理量为 20 升的生活废水。该模型可应用于一些休息站，以在高速公路上创建 "绿色休息站"。在青铜香蕉植物上进行的实验室实验表明，该模型在特定环境下可有效运行，并符合经过化粪池预处理的来自公共厕所的居民废水的特点。这些条件有利于促进植物的健康生长。用于栽培美人蕉杂交植物（Canna generalis）的 FWS 模型总面积为 0.26 平方米，根据废水自由流动的原则运行。该模型的保水时间为 70 小时，约为 3 天。对 TSS、BOD5、NH4+ - N 和大肠菌群的处理效率分别为 37-53%、73-77%、41-46% 和 37-54%。处理后的废水符合国家水质技术法规 QCVN 14:2008/BTNMT (B) 标准

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Transport and Communications Science Journal

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