dr. Ivona Sigurnjak
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Enhancing swine manure treatment: A full-scale techno-economic assessment of nitrogen recovery, pure oxygen aeration and effluent polishing
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Ammonia stripping and scrubbing followed by nitrification and denitrification saves costs for manure treatment based on a calibrated model approach
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Ammonia water as a biobased fertiliser : evaluating agronomic and environmental performance for Lactuca sativa compared to synthetic fertilisers
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Dynamics of soil nitrogen and N-cycling-related genes following the application of biobased fertilizers
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- Journal Article
- A1
- open access
Quantifying CO2 emissions and carbon sequestration from digestate-amended soil using natural 13C abundance as a tracer
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Quantifying CO2 emissions and carbon sequestration from digestate-amended soil using natural 13C abundance as a tracer. Supplementary Material.
(2023) -
- Journal Article
- A1
- open access
Evaluation of a new approach for swine wastewater valorisation and treatment : a combined system of ammonium recovery and aerated constructed wetland
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- Journal Article
- A1
- open access
Benefits of biobased fertilizers as substitutes for synthetic nitrogen fertilizers : field assessment combining minirhizotron and UAV-based spectrum sensing technologies
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- Conference Paper
- C3
- open access
Effect of recycling-derived fertilisers and tailor-made blends as a synthetic N fertiliser substitute tested under controlled laboratory conditions
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- Journal Article
- A1
- open access
Digestate-derived ammonium fertilizers and their blends as substitutes to synthetic nitrogen fertilizers
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- Journal Article
- A2
- open access
What are the desired properties of recycling-derived fertilisers from an end-user perspective?
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- Journal Article
- A1
- open access
Greenhouse gas emissions from a sandy loam soil amended with digestate-derived biobased fertilisers : a microcosm study
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- Journal Article
- A1
- open access
Performance of a full-scale processing cascade that separates agricultural digestate and its nutrients for agronomic reuse
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- Conference Paper
- C3
- open access
Laboratory and field assessment on the nitrogen value of manure-derived biobased fertilizers
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- Conference Paper
- C3
- open access
Assessment of the nitrogen fertilising value and carbon sequestration potential of digestates from different feedstocks
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- Journal Article
- A1
- open access
Assessment of the carbon and nitrogen mineralisation of digestates elaborated from distinct feedstock profiles
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- Journal Article
- A1
- open access
Replacing mineral fertilisers for bio-based fertilisers in potato growing on sandy soil : a case study
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- Miscellaneous
- open access
Product composition and performance in lab- and field trials for biobased fertilisers and soil improvers recovered from digestate : a report from the H2020 project SYSTEMIC
(2021) -
- Journal Article
- A1
- open access
Assessing nitrogen availability in biobased fertilizers : effect of vegetation on mineralization patterns
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- Conference Paper
- C3
- open access
The nitrogen value of biobased products from an integrated anaerobic digestion–centrifugation–evaporation process : from laboratory estimation to field evaluation
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Digestate and the Liquid Fraction of Digestate Compositional Properties
(2021) -
Production of a mineral nitrogen biobased fertiliser from digestate through full-scale membrane filtration
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- Journal Article
- A1
- open access
The potential of digestate and the liquid fraction of digestate as chemical fertiliser substitutes under the RENURE criteria
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Impact of time and phosphorus application rate on phosphorus bioavailability and efficiency of secondary fertilizers recovered from municipal wastewater
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- Journal Article
- A1
- open access
Techno-economic assessment at full scale of a biogas refinery plant receiving nitrogen rich feedstock and producing renewable energy and biobased fertilisers
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- Conference Paper
- C3
- open access
Assessing nitrogen availability in biobased fertilizers : effect of vegetation on mineralization patterns
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- Journal Article
- A1
- open access
Agronomic and environmental performance of Lemna minor cultivated on agricultural wastewater streams : a practical approach
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- Journal Article
- A1
- open access
Solid fraction of separated digestate as soil improver : implications for soil fertility and carbon sequestration
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Liquid fraction of digestate and air scrubber water as sources for mineral N
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Ammonia stripping and scrubbing for mineral nitrogen recovery
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Manure as a resource for energy and nutrients
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- Conference Paper
- C3
- open access
Evaluation of short term N-effects of recycling derived fertilizers (RDFs) focusing on crop yield and N losses
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- Conference Paper
- C3
- open access
Assessment of tailor made blends of recycling derived fertilizers in pot cultivation of Spinacea oleracea
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- Conference Paper
- C3
- open access
Manure in the European Circular Economy : turning a hindrance into an opportunity
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Full scale production of mineral concentrate and ammonium sulphate as nitrogen biobased fertilizers : mass and energy balances
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- Conference Paper
- C3
- open access
Fertilizer performance of organic fertilizers as compared to synthetic fertilizer : a laboratory and a field scale assessment in Croatia
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Phosphorus availability of fertilizers recovered from municipal wastewater
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Effect of phosphorus fertilizers recovered from municipal wastewater on ryegrass dry matter yield
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- Conference Paper
- C3
- open access
Assessment of recycling-derived fertilizers and tailor-made blends in laboratory and field
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Variation in carbon and nitrogen mineralization potential of solid fractions of digestate obtained using different separation techniques
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Solid fraction of digestate for agriculture : assessment of carbon and nitrogen mineralization potential in soil
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Meta-analysis on the agronomic efficiency and environmental impact of biobased N fertilizers derived from agro-waste
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Techno-economic assessment of nitrogen recovery from digestate for the production of mineral biobased fertilizer at full-scale
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Nitrogen recovery from biowaste by means of ammonia (stripping-)scrubbing technology at full scale installations
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Nitrogen recovery from biowaste by means of ammonia stripping technology at full scale installations
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- Journal Article
- A1
- open access
Production and performance of bio-based mineral fertilizers from agricultural waste using ammonia (stripping-)scrubbing technology
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- Conference Paper
- C3
- open access
Anaerobic digestion and nutrient recovery : a key linkage towards a closed recycling loop
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- Conference Paper
- C3
- open access
Meta-analysis on the potential to substitute mineral fertilizers by biobased fertilizers derived from agro-residues
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- Conference Paper
- C3
- open access
Comparison of liquid and solid digestate fractions as replacements for synthetic nitrogen fertilizers in maize production in Croatia
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- Conference Paper
- C3
- open access
Assessment of tailor-made fertilizer blends produced from recycled nutrients
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The fate of nitrite and nitrate during anaerobic digestion
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Role of biowaste processing in nutrient (re)cycling and the circular economy
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Phos4You project : phosphorus availability of phosphorus fertilizers recovered from municipal wastewater
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Phos4You project : phosphorus fertilizers recovered from municipal wastewater and their quality assessment
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- Conference Paper
- C3
- open access
Phos4You : quality assessment of phosphorus fertilizers recycled from municipal wastewater
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- Conference Paper
- C3
- open access
SYSTEMIC : nutrient recovery from anaerobic digestate of biowaste : technical assessment of full scale installations throughout Europe
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- Journal Article
- A2
- open access
Stripping and scrubbing of ammonium using common fractionating columns to prove ammonium inhibition during anaerobic digestion
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Effect of digestate disintegration on anaerobic digestion of organic waste
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Carbon and nitrogen mineralization potential of solid fraction of digestate used as soil improvers
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Liquid fraction of digestate as good as chemical fertiliser? : observations from a three-year field experiment
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The fate of heavy metals in anaerobic digestion process
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- Conference Paper
- C3
- open access
Systemic : production of biobased fertilizers from digestate : an in depth analysis of 5 full scale installations throughout Europe
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- PhD Thesis
- open access
Animal manure derivatives as alternatives for synthetic nitrogen fertilizers
(2017) -
Does acidification increase the nitrogen fertilizer replacement value of bio-based fertilizers?
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Nitrogen release and mineralization potential of derivatives from nutrient recovery processes as substitutes for fossil fuel-based nitrogen fertilizers
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Fertilizer performance of liquid fraction of digestate as synthetic nitrogen substitute in silage maize cultivation for three consecutive years
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Utilization of derivatives from nutrient recovery processes as alternatives for fossil-based mineral fertilizers in commercial greenhouse production of Lactuca sativa L.
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- Miscellaneous
- open access
Nutrient recovery from digestate: case study report
(2015) -
- Conference Paper
- C3
- open access
Heavy metal concentration in manure and digestate: a simulation model
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Bemestingswaarde van spuiwater en dunne fractie van digestaat in bloemkool
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- Conference Paper
- C3
- open access
Nitrogen mineralization potential of bio-based fertilizers
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- Conference Paper
- C3
- open access
Nitrogen use efficiency of liquid fraction of digestate: a three-year field experiment (Zea Mays L.)
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- Miscellaneous
- open access
Veldproeven met biogebaseerde meststoffen
(2015) -
- Conference Paper
- C3
- open access
Bio-based fertilizers for greenhouse cropping: a lab and field scale assessment
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- Conference Paper
- C3
- open access
Nutrient use efficiency of liquid fraction of digestate: a three-year field trial
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Spuiwater in de praktijk
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- Conference Paper
- C3
- open access
Optimization of nutrient fluxes in European agriculture by using bio-based mineral fertilizer substitutes: a field experiment
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- Conference Paper
- C3
- open access
Bio-based fertilizer for the greenhouse cropping: a lab and field scale assessment
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Spuiwater van luchtwasser als groene minerale meststof
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- Conference Paper
- C3
- open access
Field and lab scale assessment of bio-based mineral fertilizer substitutes
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Field and lab scale assessment of bio-based mineral fertilizer substitutes
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- Conference Paper
- C3
- open access
Nutrient and energy recuperation from digestate