Reuse of Treated Domestic Wastewater by Employing Artificial Wetlands in Panama

IF 3.5 Q2 ENVIRONMENTAL SCIENCES

Air Soil and Water Research Pub Date : 2022-01-01 DOI:10.1177/11786221221074401

Liz Miller Gil, José Fábrega Duque

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引用次数: 1

Abstract

Reuse of treated wastewater in irrigation is an alternative to achieve greater water availability and benefits to the soil due to its nutrient content. It represents a solution to challenges in water management, climate change and water scarcity in dry seasons. In Panama’s Dry Arch, the lack of water is critical during dry season months, which makes it essential to look for sustainable alternatives as water source. This paper describes the use of artificial wetlands with horizontal subsurface flow, and we are going to use partially treated domestic wastewater. The aquatic plant types employed were Echinochloa polystachya (German grass) and Brachiaria arrecta (Tanner grass) with the objective of improve the quality of the effluent from the Wastewater Treatment Plant (WWTP) in Chitre for the irrigation of forages. This study was carried out from August to December 2019. Fine Gravel was used in this study as a substrate. The parameters analyzed were pH, Total dissolved solids, Electrical Conductivity, Chemical Oxygen Demand, Turbidity, Chlorides, Sulfates, Iron, Chromium+6, Copper; nutrients such as Total nitrogen and Total phosphorus. Fecal coliforms were also analyzed. Results showed that treated wastewater is a viable alternative for irrigation due to its high nutrient content, but it must be managed safely so as not to generate risks to public health.

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巴拿马利用人工湿地对处理后的生活污水进行再利用

在灌溉中再利用处理过的废水是一种替代方法，可以实现更大的水可用性，并且由于其营养成分而对土壤有益。它代表了解决水管理、气候变化和旱季缺水挑战的办法。在巴拿马的干拱门，在旱季的几个月里，缺水是至关重要的，这使得寻找可持续的替代水源至关重要。本文介绍了水平潜流人工湿地的使用，并拟采用部分处理的生活污水。为了提高Chitre污水处理厂(WWTP)用于牧草灌溉的出水水质，采用了德国草(Echinochloa polystachya)和Tanner草(Brachiaria arrecta)两种水生植物。该研究于2019年8月至12月进行。本研究采用细砾石作为基质。分析的参数有pH、总溶解固形物、电导率、化学需氧量、浊度、氯化物、硫酸盐、铁、铬+6、铜;总氮和总磷等营养物质粪便大肠菌群也进行了分析。结果表明，处理后的废水由于其高营养含量是一种可行的灌溉替代方案，但必须对其进行安全管理，以免对公众健康产生风险。

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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来源期刊

Air Soil and Water Research ENVIRONMENTAL SCIENCES-

CiteScore

7.80

自引率

5.30%

发文量

审稿时长

8 weeks

期刊介绍： Air, Soil & Water Research is an open access, peer reviewed international journal covering all areas of research into soil, air and water. The journal looks at each aspect individually, as well as how they interact, with each other and different components of the environment. This includes properties (including physical, chemical, biochemical and biological), analysis, microbiology, chemicals and pollution, consequences for plants and crops, soil hydrology, changes and consequences of change, social issues, and more. The journal welcomes readerships from all fields, but hopes to be particularly profitable to analytical and water chemists and geologists as well as chemical, environmental, petrochemical, water treatment, geophysics and geological engineers. The journal has a multi-disciplinary approach and includes research, results, theory, models, analysis, applications and reviews. Work in lab or field is applicable. Of particular interest are manuscripts relating to environmental concerns. Other possible topics include, but are not limited to: Properties and analysis covering all areas of research into soil, air and water individually as well as how they interact with each other and different components of the environment Soil hydrology and microbiology Changes and consequences of environmental change, chemicals and pollution.