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Researcher
Ivona Sigurnjak
Profile
Projects
Publications
Activities
71
Results
2022
Assessment of the carbon and nitrogen mineralisation of digestates elaborated from distinct feedstock profiles
Gregory Reuland
Ivona Sigurnjak
Steven Sleutel
Erik Meers
A1
Journal Article
in
AGRONOMY-BASEL
2022
Assessment of the nitrogen fertilising value and carbon sequestration potential of digestates from different feedstocks
Gregory Reuland
Ivona Sigurnjak
Steven Sleutel
Erik Meers
C3
Conference
2022
Digestate-derived ammonium fertilizers and their blends as substitutes to synthetic nitrogen fertilizers
Amrita Saju
Ivona Sigurnjak
Erik Meers
A1
Journal Article
in
APPLIED SCIENCES-BASEL
2022
Effect of recycling-derived fertilisers and tailor-made blends as a synthetic N fertiliser substitute tested under controlled laboratory conditions
Amrita Saju
Ivona Sigurnjak
Evi Michels
Erik Meers
C3
Conference
2022
Greenhouse gas emissions from a sandy loam soil amended with digestate-derived biobased fertilisers : a microcosm study
Caleb Elijah Egene
Ivona Sigurnjak
Filip Tack
Erik Meers
A1
Journal Article
in
APPLIED SOIL ECOLOGY
2022
Laboratory and field assessment on the nitrogen value of manure-derived biobased fertilizers
Hongzhen Luo
Ivona Sigurnjak
Ana Robles Aguilar
Evi Michels
Stefaan De Neve
Erik Meers
C3
Conference
2022
Performance of a full-scale processing cascade that separates agricultural digestate and its nutrients for agronomic reuse
Claudio Brienza
Ivona Sigurnjak
Erik Meers
A1
Journal Article
in
SEPARATION AND PURIFICATION TECHNOLOGY
2022
Replacing mineral fertilisers for bio-based fertilisers in potato growing on sandy soil : a case study
Vaibhav Shrivastava
Ivona Sigurnjak
Erik Meers
A1
Journal Article
in
APPLIED SCIENCES-BASEL
2022
What are the desired properties of recycling-derived fertilisers from an end-user perspective?
Amrita Saju
Ivona Sigurnjak
Erik Meers
A2
Journal Article
in
CLEANER AND RESPONSIBLE CONSUMPTION
2022
2021
Agronomic and environmental performance of Lemna minor cultivated on agricultural wastewater streams : a practical approach
Reindert Devlamynck
Marcella Fernandes De Souza
Evi Michels
Ivona Sigurnjak
Natalia Carolina Donoso Pantoja
Pieter Vermeir
Mia Eeckhout
Erik Meers
A1
Journal Article
in
SUSTAINABILITY
2021
Assessing nitrogen availability in biobased fertilizers : effect of vegetation on mineralization patterns
Hongzhen Luo
Ana Robles Aguilar
Ivona Sigurnjak
Evi Michels
Erik Meers
A1
Journal Article
in
AGRICULTURE-BASEL
2021
Assessing nitrogen availability in biobased fertilizers : effect of vegetation on mineralization patterns
Hongzhen Luo
Ana Robles Aguilar
Ivona Sigurnjak
Evi Michels
Erik Meers
C3
Conference
2021
Impact of time and phosphorus application rate on phosphorus bioavailability and efficiency of secondary fertilizers recovered from municipal wastewater
Aleksandra Bogdan
Ana Robles Aguilar
Ivona Sigurnjak
Evi Michels
Erik Meers
A1
Journal Article
in
CHEMOSPHERE
2021
Production of a mineral nitrogen biobased fertiliser from digestate through full-scale membrane filtration
Claudio Brienza
Ivona Sigurnjak
Evi Michels
Erik Meers
C3
Conference
2021
Solid fraction of separated digestate as soil improver : implications for soil fertility and carbon sequestration
Caleb Elijah Egene
Ivona Sigurnjak
Evi Michels
Steven Sleutel
Filip Tack
Erik Meers
A1
Journal Article
in
JOURNAL OF SOILS AND SEDIMENTS
2021
Techno-economic assessment at full scale of a biogas refinery plant receiving nitrogen rich feedstock and producing renewable energy and biobased fertilisers
Claudio Brienza
Ivona Sigurnjak
Evi Michels
Erik Meers
A1
Journal Article
in
JOURNAL OF CLEANER PRODUCTION
2021
The nitrogen value of biobased products from an integrated anaerobic digestion–centrifugation–evaporation process : from laboratory estimation to field evaluation
Hongzhen Luo
Ivona Sigurnjak
Ana Robles Aguilar
Evi Michels
Erik Meers
C3
Conference
2021
The potential of digestate and the liquid fraction of digestate as chemical fertiliser substitutes under the RENURE criteria
Gregory Reuland
Ivona Sigurnjak
Evi Michels
Erik Meers
A1
Journal Article
in
AGRONOMY-BASEL
2021
2020
Ammonia stripping and scrubbing for mineral nitrogen recovery
Claudio Brienza
Ivona Sigurnjak
Evi Michels
Erik Meers
Bookchapter
in
Biorefinery of inorganics : recovering mineral nutrients from biomass and organic waste
2020
Liquid fraction of digestate and air scrubber water as sources for mineral N
Ivona Sigurnjak
Evi Michels
Erik Meers
Bookchapter
in
Biorefinery of inorganics : recovering mineral nutrients from biomass and organic waste
2020
Manure as a resource for energy and nutrients
Ivona Sigurnjak
Reinhart Van Poucke
Evi Michels
Erik Meers
Bookchapter
in
Biorefinery of inorganics : recovering mineral nutrients from biomass and organic waste
2020
2019
Anaerobic digestion and nutrient recovery : a key linkage towards a closed recycling loop
Gregory Reuland
Erik Meers
Ivona Sigurnjak
Evi Michels
C3
Conference
2019
Assessment of recycling-derived fertilizers and tailor-made blends in laboratory and field
Amrita Saju
Ivona Sigurnjak
Evi Michels
Erik Meers
C3
Conference
2019
Assessment of tailor made blends of recycling derived fertilizers in pot cultivation of Spinacea oleracea
Amrita Saju
Ivona Sigurnjak
Evi Michels
Erik Meers
C3
Conference
2019
Assessment of tailor-made fertilizer blends produced from recycled nutrients
Amrita Saju
Ivona Sigurnjak
Evi Michels
Erik Meers
C3
Conference
2019
Effect of phosphorus fertilizers recovered from municipal wastewater on ryegrass dry matter yield
Aleksandra Bogdan
Evi Michels
Ivona Sigurnjak
Erik Meers
C3
Conference
2019
Evaluation of short term N-effects of recycling derived fertilizers (RDFs) focusing on crop yield and N losses
Amrita Saju
Ivona Sigurnjak
Erik Meers
C3
Conference
2019
Fertilizer performance of organic fertilizers as compared to synthetic fertilizer : a laboratory and a field scale assessment in Croatia
Mihaela Šatvar
Ivona Sigurnjak
Erik Meers
C3
Conference
2019
Full scale production of mineral concentrate and ammonium sulphate as nitrogen biobased fertilizers : mass and energy balances
Claudio Brienza
Ivona Sigurnjak
Evi Michels
Erik Meers
C3
Conference
2019
Manure in the European Circular Economy : turning a hindrance into an opportunity
Gregory Reuland
Ivona Sigurnjak
Evi Michels
Erik Meers
C3
Conference
2019
Meta-analysis on the agronomic efficiency and environmental impact of biobased N fertilizers derived from agro-waste
Hongzhen Luo
Ivona Sigurnjak
Evi Michels
Erik Meers
C3
Conference
2019
Meta-analysis on the potential to substitute mineral fertilizers by biobased fertilizers derived from agro-residues
Hongzhen Luo
Ivona Sigurnjak
Marcella Fernandes De Souza
Evi Michels
Erik Meers
C3
Conference
2019
Nitrogen recovery from biowaste by means of ammonia (stripping-)scrubbing technology at full scale installations
Claudio Brienza
Ivona Sigurnjak
Evi Michels
Erik Meers
C3
Conference
2019
Nitrogen recovery from biowaste by means of ammonia stripping technology at full scale installations
Claudio Brienza
Ivona Sigurnjak
Evi Michels
Erik Meers
C3
Conference
2019
Phosphorus availability of fertilizers recovered from municipal wastewater
Aleksandra Bogdan
Evi Michels
Ivona Sigurnjak
Erik Meers
C3
Conference
2019
Production and performance of bio-based mineral fertilizers from agricultural waste using ammonia (stripping-)scrubbing technology
Ivona Sigurnjak
Claudio Brienza
Evi Michels
Erik Meers
A1
Journal Article
in
WASTE MANAGEMENT
2019
Solid fraction of digestate for agriculture : assessment of carbon and nitrogen mineralization potential in soil
Caleb Elijah Egene
Ivona Sigurnjak
Evi Michels
Erik Meers
C3
Conference
2019
Techno-economic assessment of nitrogen recovery from digestate for the production of mineral biobased fertilizer at full-scale
Claudio Brienza
Ivona Sigurnjak
Evi Michels
Erik Meers
C3
Conference
2019
The fate of nitrite and nitrate during anaerobic digestion
Ivona Sigurnjak
Erik Meers
A1
Journal Article
in
ENVIRONMENTAL TECHNOLOGY
2019
Variation in carbon and nitrogen mineralization potential of solid fractions of digestate obtained using different separation techniques
Caleb Elijah Egene
Ivona Sigurnjak
Evi Michels
Erik Meers
C3
Conference
2019
2018
Carbon and nitrogen mineralization potential of solid fraction of digestate used as soil improvers
Caleb Elijah Egene
Ivona Sigurnjak
Evi Michels
Erik Meers
C3
Conference
2018
Effect of digestate disintegration on anaerobic digestion of organic waste
Ivona Sigurnjak
Erik Meers
A1
Journal Article
in
BIORESOURCE TECHNOLOGY
2018
Phos4You : quality assessment of phosphorus fertilizers recycled from municipal wastewater
Aleksandra Bogdan
Ivona Sigurnjak
Evi Michels
Erik Meers
C3
Conference
2018
Phos4You project : phosphorus availability of phosphorus fertilizers recovered from municipal wastewater
Aleksandra Bogdan
Evi Michels
Ivona Sigurnjak
Erik Meers
C3
Conference
2018
Phos4You project : phosphorus fertilizers recovered from municipal wastewater and their quality assessment
Aleksandra Bogdan
Ivona Sigurnjak
Evi Michels
Erik Meers
C3
Conference
2018
Role of biowaste processing in nutrient (re)cycling and the circular economy
Erik Meers
Ivona Sigurnjak
Kamila Mascart
Marcella Fernandes De Souza
Evi Michels
C3
Conference
2018
SYSTEMIC : nutrient recovery from anaerobic digestate of biowaste : technical assessment of full scale installations throughout Europe
Claudio Brienza
Ivona Sigurnjak
Evi Michels
Erik Meers
C3
Conference
2018
Stripping and scrubbing of ammonium using common fractionating columns to prove ammonium inhibition during anaerobic digestion
Ivona Sigurnjak
Erik Meers
A2
Journal Article
in
INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING
2018
2017
Animal manure derivatives as alternatives for synthetic nitrogen fertilizers
Ivona Sigurnjak
Erik Meers
Stefaan De Neve
Filip Tack
Dissertation
2017
Does acidification increase the nitrogen fertilizer replacement value of bio-based fertilizers?
Ivona Sigurnjak
Evi Michels
Filip Tack
Stefaan De Neve
Erik Meers
A1
Journal Article
in
JOURNAL OF PLANT NUTRITION AND SOIL SCIENCE
2017
Fertilizer performance of liquid fraction of digestate as synthetic nitrogen substitute in silage maize cultivation for three consecutive years
Ivona Sigurnjak
Evi Michels
Filip Tack
Erik Meers
A1
Journal Article
in
SCIENCE OF THE TOTAL ENVIRONMENT
2017
Liquid fraction of digestate as good as chemical fertiliser? : observations from a three-year field experiment
Ivona Sigurnjak
Céline Vaneeckhaute
Evi Michels
Filip Tack
Erik Meers
A4
Journal Article
in
COMMUNICATIONS IN AGRICULTURAL AND APPLIED BIOLOGICAL SCIENCES
2017
Nitrogen release and mineralization potential of derivatives from nutrient recovery processes as substitutes for fossil fuel-based nitrogen fertilizers
Ivona Sigurnjak
Jeroen De Waele
Evi Michels
Filip Tack
Erik Meers
Stefaan De Neve
A1
Journal Article
in
SOIL USE AND MANAGEMENT
2017
Systemic : production of biobased fertilizers from digestate : an in depth analysis of 5 full scale installations throughout Europe
Claudio Brienza
Ivona Sigurnjak
Evi Michels
Erik Meers
C3
Conference
2017
The fate of heavy metals in anaerobic digestion process
Ivona Sigurnjak
Evi Michels
Filip Tack
Erik Meers
C3
Conference
2017
2016
Utilization of derivatives from nutrient recovery processes as alternatives for fossil-based mineral fertilizers in commercial greenhouse production of Lactuca sativa L.
Ivona Sigurnjak
Evi Michels
Filip Tack
Erik Meers
A1
Journal Article
in
SCIENTIA HORTICULTURAE
2016
2015
Bemestingswaarde van spuiwater en dunne fractie van digestaat in bloemkool
Brecht Annicaert
Erik Meers
Ivona Sigurnjak
Newsarticle
2015
Heavy metal concentration in manure and digestate: a simulation model
Ivona Sigurnjak
Evi Michels
Filip Tack
Erik Meers
C3
Conference
2015
Nitrogen mineralization potential of bio-based fertilizers
Ivona Sigurnjak
Evi Michels
Stefaan De Neve
Erik Meers
C3
Conference
2015
Nitrogen use efficiency of liquid fraction of digestate: a three-year field experiment (Zea Mays L.)
Ivona Sigurnjak
Céline Vaneeckhaute
Evi Michels
Filip Tack
Erik Meers
C3
Conference
2015
Nutrient recovery from digestate: case study report
Evi Michels
Erik Meers
Ivona Sigurnjak
Lies De Clercq
Report
2015
Veldproeven met biogebaseerde meststoffen
Lies De Clercq
Evi Michels
Erik Meers
Ivona Sigurnjak
Céline Vaneeckhaute
Brecht Annicaert
Mathias Cougnon
Dirk Reheul
Report
2015
2014
Bio-based fertilizers for greenhouse cropping: a lab and field scale assessment
Ivona Sigurnjak
Evi Michels
Ellen Dolmans
Filip Tack
Erik Meers
C3
Conference
2014
Nutrient use efficiency of liquid fraction of digestate: a three-year field trial
Ivona Sigurnjak
Céline Vaneeckhaute
Evi Michels
Filip Tack
Erik Meers
C3
Conference
2014
Spuiwater in de praktijk
Evi Michels
Ivona Sigurnjak
Erik Meers
A4
Journal Article
in
VARKENSBEDRIJF
2014
2013
Bio-based fertilizer for the greenhouse cropping: a lab and field scale assessment
Ivona Sigurnjak
Evi Michels
Ellen Dolmans
Filip Tack
Erik Meers
C3
Conference
2013
Field and lab scale assessment of bio-based mineral fertilizer substitutes
Ivona Sigurnjak
Céline Vaneeckhaute
Evi Michels
Filip Tack
Erik Meers
C3
Conference
2013
Field and lab scale assessment of bio-based mineral fertilizer substitutes
Ivona Sigurnjak
Evi Michels
Filip Tack
Erik Meers
C3
Conference
2013
Nutrient and energy recuperation from digestate
Ivona Sigurnjak
Céline Vaneeckhaute
Erik Meers
Evi Michels
Filip Tack
C3
Conference
2013
Optimization of nutrient fluxes in European agriculture by using bio-based mineral fertilizer substitutes: a field experiment
Ivona Sigurnjak
Ellen Dolmans
Evi Michels
Filip Tack
Erik Meers
C3
Conference
2013
Spuiwater van luchtwasser als groene minerale meststof
Erik Meers
Evi Michels
Ivona Sigurnjak
A4
Journal Article
in
VARKENSBEDRIJF
2013