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Vertical green system for gray water treatment: Analysis of the VertiKKA-module in a field test

  • This work presents a modular Vertical Green System (VGS) for gray water treatment, developed at the Bauhaus-Universität Weimar. The concept was transformed into a field study with four modules built and tested with synthetic gray water. Each module set contains a small and larger module with the same treatment substrate and was fed hourly. A combination of lightweight structural material andThis work presents a modular Vertical Green System (VGS) for gray water treatment, developed at the Bauhaus-Universität Weimar. The concept was transformed into a field study with four modules built and tested with synthetic gray water. Each module set contains a small and larger module with the same treatment substrate and was fed hourly. A combination of lightweight structural material and biochar of agricultural residues and wood chips was used as the treatment substrate. In this article, we present the first 18 weeks of operation. Regarding the treatment efficiency, the parameters chemical oxygen demand (COD), total phosphorous (TP), ortho-phosphate (ortho-P), total bound nitrogen (TNb), ammonium nitrogen (NH4-N), and nitrate nitrogen (NO3-N) were analyzed and are presented in this work. The results of the modules with agricultural residues are promising. Up to 92% COD reduction is stated in the data. The phosphate and nitrogen fractions are reduced significantly in these modules. By contrast, the modules with wood chips reduce only 67% of the incoming COD and respectively less regarding phosphates and the nitrogen fraction.show moreshow less

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  • Gefördert durch das Programm Open Access Publizieren der DFG und den Publikationsfonds der Bauhaus-Universität Weimar.

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Metadaten
Document Type:Article
Author: Andreas AicherORCiD, Melanie Börmel, Prof. Dr.-Ing. Jörg LondongORCiDGND, Prof. Dr.-Ing. Silvio BeierGND
DOI (Cite-Link):https://doi.org/10.3389/fenvs.2022.976005Cite-Link
URN (Cite-Link):https://nbn-resolving.org/urn:nbn:de:gbv:wim2-20230124-48840Cite-Link
URL:https://www.frontiersin.org/articles/10.3389/fenvs.2022.976005/full
Parent Title (English):Frontiers in Environmental Science
Publisher:Frontiers Media
Place of publication:Lausanne
Language:English
Date of Publication (online):2023/01/04
Date of first Publication:2022/11/30
Release Date:2023/01/24
Publishing Institution:Bauhaus-Universität Weimar
Institutes and partner institutions:Fakultät Bauingenieurwesen / Professur Siedlungswasserwirtschaft
Volume:2022
Issue:Volume 10 (2022), article 976005
Pagenumber:7
First Page:1
Last Page:7
Tag:grey water treatment; urban heat island effect; vertical green system
GND Keyword:Grauwasser; Abwassertechnologie
Dewey Decimal Classification:600 Technik, Medizin, angewandte Wissenschaften
BKL-Classification:58 Chemische Technik, Umwelttechnik, verschiedene Techno-
Open Access Publikationsfonds:Open-Access-Publikationsfonds 2022
Licence (German):License Logo Creative Commons 4.0 - Namensnennung (CC BY 4.0)