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Effectiveness of ecotechnologies for recovery of nitrogen and phosphorus from anaerobic digestate and effectiveness of the recovery products as fertilisers: A systematic review protocol
Stockholm Environment Institute, Sweden.
RISE - Research Institutes of Sweden, Built Environment, Energy and Circular Economy.
Warsaw University of Life Sciences, Poland.
Stockholm Environment Institute, Sweden; University of Johannesburg, South Africa.
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2019 (English)In: Environmental Evidence, ISSN 2047-2382, E-ISSN 2047-2382, Vol. 8, no 1, article id 29Article in journal (Refereed) Published
Abstract [en]

Background: The regular addition of plant-available nutrients such as nitrogen and phosphorus, either as manufactured fertilisers or animal manure, to agricultural soils is needed for global food security. Increased recycling of nutrients back to agriculture from organic waste streams is necessary for increased rural-urban sustainability. Anaerobic digestion of sewage sludge and agricultural wastes is widely applied to stabilize the substrate and also capture its energetic value via biogas production. The liquid phase of anaerobic digestate is a concentrated source of nutrients to which nutrient recovery technologies can be applied. Two such promising technologies that could increase nutrient recycling from e.g. wastewater and thereby contribute to environmental amelioration are struvite precipitation and ammonia stripping. By combining anaerobic digestion and nutrient recovery technologies on the digestate, a treatment process that provides both renewable energy and plant nutrients is achieved. This review will examine the effectiveness of ecotechnologies for the recovery and reuse of nitrogen and phosphorus from anaerobic digestate with the aim of reducing the impact of waste on the environment. Methods: We will search for both academic and grey literature published after 2013. English language searches will be performed in 4 bibliographic databases, and Google Scholar, while searches in 41 specialist websites will be performed in English, Finnish, Polish and Swedish. Eligibility screening will be conducted at two levels: title and abstract and full text. Included eligible studies will be subject to a critical appraisal that will assess external and internal study validity. We will extract information on study characteristics, intervention, comparators, effect modifiers, and measured outcomes. Data synthesis will involve narrative synthesis of each included study of sufficient validity. Quantitative synthesis (i.e. meta-analysis) may be possible in cases where a sufficient number of studies report similar types of outcomes. © 2019 The Author(s).

Place, publisher, year, edition, pages
BioMed Central Ltd. , 2019. Vol. 8, no 1, article id 29
Keywords [en]
Ammonium sulphate, Baltic Sea, Circular economy, Fertilisers, Manure, Nutrient recycle, Nutrient reuse, Soil enhancers, Struvite
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-39788DOI: 10.1186/s13750-019-0173-3Scopus ID: 2-s2.0-85070189379OAI: oai:DiVA.org:ri-39788DiVA, id: diva2:1343745
Note

Funding details: Suomen Ympäristökeskus; Funding details: Svenskt Vatten, SWWA; Funding details: European Environment Agency, EEA; Funding details: Aalto-Yliopisto; Funding details: Naturvårdsverket; Funding details: Stichting Toegepast Onderzoek Waterbeheer, STOWA; Funding details: U.S. Environmental Protection Agency, EPA; Funding details: Umweltbundesamt, UBA; Funding details: Havs- och Vattenmyndigheten, HaV; Funding details: http://mak.bn.org.pl/cgi-bin/makwww.exe?BM=7; Funding details: https://sgw0.bg.sggw.pl; Funding details: 185; Funding details: VINNOVA; Funding text 1: Foundation for Applied Water Research (STOWA) (http://www.stowa.nl) Ekologgruppen i Landskrona AB (http://www.ekologgruppen.com/) Danish Centre for Environment and Energy (DCE) (http://dce.au.dk) European Environment Agency (EEA) (https://www.eea.europa.eu/) Finnish Environment Institute (SYKE) (http://www.syke.fi) Federal Environment Agency (UmweltBundesAmt, Germany) (https://www.umweltbundesamt.de) Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) (http://www.igb-berlin.de) EAWAG Aquatic Research (https://www.eawag.ch/en/) Netherlands National Institute for Public Health and the Environment (RIVM) (https://www.rivm.nl/en) United States Environmental Protection Agency (US EPA) (https://www.epa.gov/) European sustainable phosphorus platform (https://phosphorusplatform.eu/) Organic Farm Knowledge platform (https://organic-farmknowledge.org/search-toolbox) Sustainable Sanitation Alliance (www.susana.org) Swedish Environmental Protection Agency (SEPA) (http://www.naturvardsverket.se) Swedish Board of Agriculture (http://www.jordbruksverket.se) The Swedish Agency for Marine and Water Management (https://www.havochvatten.se) Swedish directory of Master thesis (DiVA) (http://www.diva-portal.org) The Swedish Water & Wastewater Association (SWWA) (http://www.svensktvatten.se) Federation of Swedish Farmers (http://www.lrf.se) The Swedish Environmental Institute (http://www.IVL.se) Agro base (http://agro.icm.edu.pl/agro) Tech Base (http://baztech.icm.edu.pl) Catalogue of the WULS diploma and doctoral dissertations (https://sgw0.bg.sggw.pl) Archive of Diploma Theses of the University of Agriculture Hugo Kołłątaj, Krakow (https://apd.ur.krakow.pl/catalogue) Archive of Diploma Papers of the University of Technology and Life Sciences in Bydgoszcz (https://apd.utp.edu.pl/catalogue) Central Catalog of Polish Journals (http://mak.bn.org.pl/cgi-bin/makwww.exe?BM=7) NUKat (http://katalog.nukat.edu.pl) Portal of Scientific Journals (http://www.ejournals.eu) Journal repository of the Nicolaus Copernicus University (http://wydawnictwoumk.pl/czasopisma) Repository of the Open Science Center (http://depot.ceon.pl) SYMPOnet (https://gate.bg.pw.edu.pl/) Melinda (https://melinda.kansalliskirjasto.fi) ARTO (https://arto.linneanet.fi/vwebv/searchBasic?sk=fi_FI) HELDA Institutional repository (https://helda.helsinki.fi) DORIA Institutional repository (https://www.doria.fi) JUKURI (http://jukuri.luke.fi) TAMPUB (http://tampub.uta.fi) THESEUS (http://www.theseus.fi) University of Lapland (http://lauda.ulapland.fi) Aalto University (https://aaltodoc.aalto.fi) SYKE library collection (http://kirjasto.ymparisto.fi/syke/fi/search_yha.htm); Funding text 2: This review will be conducted as part of BONUS RETURN project. BONUS RETURN project is supported by BONUS (Art 185), funded jointly by the EU and Swedish Foundation for Strategic Environmental Research FORMAS, Sweden’s innovation agency VINNOVA, Academy of Finland and National Centre for Research and Development in Poland.

Available from: 2019-08-19 Created: 2019-08-19 Last updated: 2019-08-19Bibliographically approved

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