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Setting water quality criteria for agricultural water reuse purposes

Müller, Katharina and Cornel, Peter (2016):
Setting water quality criteria for agricultural water reuse purposes.
In: Journal of Water Reuse and Desalination, IWA Publishing, ISSN 2220-1319, DOI: 10.2166/wrd.2016.194, [Online-Edition: http://jwrd.iwaponline.com/content/early/2016/03/18/wrd.2016...],
[Article]

Abstract

The use of reclaimed water for agricultural irrigation is practiced worldwide and will increase in the future. The definition of water quality limits is a useful instrument for the assessment of water quality regarding its suitability for irrigation purposes and the performance of wastewater treatment steps. This study elaborates water quality objectives for a water reuse project in a setting where national guidelines do not exist. Internationally established guidelines are therefore applied to the local context. Additional limits for turbidity, total suspended solids, biochemical and chemical oxygen demand, total phosphorus and potassium are suggested to meet the requirements of water reuse projects. Emphasis is put on water quality requirements prior to UV disinfection and nutrient requirements of cultivated crops. The presented values can be of assistance when monitoring reclaimed water quality. To facilitate the realization of water reuse projects, comprehensive and reliable information on the respective legislation, in particular water quality requirements prior to disinfection steps, should be provided as well as regarding the protection of the irrigation infrastructure.

Item Type: Article
Erschienen: 2016
Creators: Müller, Katharina and Cornel, Peter
Title: Setting water quality criteria for agricultural water reuse purposes
Language: English
Abstract:

The use of reclaimed water for agricultural irrigation is practiced worldwide and will increase in the future. The definition of water quality limits is a useful instrument for the assessment of water quality regarding its suitability for irrigation purposes and the performance of wastewater treatment steps. This study elaborates water quality objectives for a water reuse project in a setting where national guidelines do not exist. Internationally established guidelines are therefore applied to the local context. Additional limits for turbidity, total suspended solids, biochemical and chemical oxygen demand, total phosphorus and potassium are suggested to meet the requirements of water reuse projects. Emphasis is put on water quality requirements prior to UV disinfection and nutrient requirements of cultivated crops. The presented values can be of assistance when monitoring reclaimed water quality. To facilitate the realization of water reuse projects, comprehensive and reliable information on the respective legislation, in particular water quality requirements prior to disinfection steps, should be provided as well as regarding the protection of the irrigation infrastructure.

Journal or Publication Title: Journal of Water Reuse and Desalination
Publisher: IWA Publishing
Divisions: 13 Department of Civil and Environmental Engineering Sciences > Institute IWAR
13 Department of Civil and Environmental Engineering Sciences > Institute IWAR > Wastewater Technology
13 Department of Civil and Environmental Engineering Sciences
Date Deposited: 06 Sep 2017 14:11
DOI: 10.2166/wrd.2016.194
Official URL: http://jwrd.iwaponline.com/content/early/2016/03/18/wrd.2016...
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