Research Explorer

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Researcher

Ivona Sigurnjak

Awards & Distinctions

79 Results

2024

Enhancing swine manure treatment: A full-scale techno-economic assessment of nitrogen recovery, pure oxygen aeration and effluent polishing

Ruben VingerhoetsIvona SigurnjakMarc SpillerSiegfried E. VlaeminckErik Meers

U Journal Article in Journal of Environmental Management

2023

Ammonia stripping and scrubbing followed by nitrification and denitrification saves costs for manure treatment based on a calibrated model approach

Ruben VingerhoetsClaudio BrienzaIvona SigurnjakJeroen BuysseSiegfried E. VlaeminckMarc SpillerErik Meers

A1 Journal Article in CHEMICAL ENGINEERING JOURNAL

Ammonia water as a biobased fertiliser : evaluating agronomic and environmental performance for Lactuca sativa compared to synthetic fertilisers

Vaibhav ShrivastavaIvona SigurnjakNimisha EdayilamErik Meers

A2 Journal Article in BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY

Dynamics of soil nitrogen and N-cycling-related genes following the application of biobased fertilizers

Hongzhen LuoMassimo ZilioIvona SigurnjakAna Robles AguilarEvi MichelsFabrizio AdaniStefaan De NeveErik Meers

A1 Journal Article in APPLIED SOIL ECOLOGY

Evaluation of a new approach for swine wastewater valorisation and treatment : a combined system of ammonium recovery and aerated constructed wetland

Claudio BrienzaNatalia Carolina Donoso PantojaHongzhen LuoRuben VingerhoetsDenis de WildeDion van OirschotIvona SigurnjakJayanta Kumar BiswasEvi MichelsErik Meers

A1 Journal Article in ECOLOGICAL ENGINEERING

Quantifying CO2 emissions and carbon sequestration from digestate-amended soil using natural 13C abundance as a tracer

Gregory ReulandSteven SleutelHaichao LiHarmen DekkerIvona SigurnjakErik Meers

A1 Journal Article in AGRONOMY-BASEL

2022

Assessment of the carbon and nitrogen mineralisation of digestates elaborated from distinct feedstock profiles

Gregory ReulandIvona SigurnjakHarmen DekkerSteven SleutelErik Meers

A1 Journal Article in AGRONOMY-BASEL

Assessment of the nitrogen fertilising value and carbon sequestration potential of digestates from different feedstocks

Gregory ReulandIvona SigurnjakH. DekkerSteven SleutelErik Meers

Benefits of biobased fertilizers as substitutes for synthetic nitrogen fertilizers : field assessment combining minirhizotron and UAV-based spectrum sensing technologies

Hongzhen LuoKevin DewitteSofie LandschootIvona SigurnjakAna Robles AguilarEvi MichelsStefaan De NeveGeert HaesaertErik Meers

A1 Journal Article in FRONTIERS IN ENVIRONMENTAL SCIENCE

Digestate-derived ammonium fertilizers and their blends as substitutes to synthetic nitrogen fertilizers

Amrita SajuDemi RyanIvona SigurnjakKieran GermaineDavid N. DowlingErik Meers

A1 Journal Article in APPLIED SCIENCES-BASEL

Effect of recycling-derived fertilisers and tailor-made blends as a synthetic N fertiliser substitute tested under controlled laboratory conditions

Amrita SajuIvona SigurnjakEvi MichelsErik Meers

Greenhouse gas emissions from a sandy loam soil amended with digestate-derived biobased fertilisers : a microcosm study

Caleb Elijah EgeneInge RegelinkIvona SigurnjakFabrizio AdaniFilip TackErik Meers

A1 Journal Article in APPLIED SOIL ECOLOGY

Laboratory and field assessment on the nitrogen value of manure-derived biobased fertilizers

Hongzhen LuoIvona SigurnjakAna Robles AguilarEvi MichelsStefaan De NeveErik Meers

Performance of a full-scale processing cascade that separates agricultural digestate and its nutrients for agronomic reuse

Jasper L. van PuffelenClaudio BrienzaInge C. RegelinkIvona SigurnjakFabrizio AdaniErik MeersOscar F. Schoumans

A1 Journal Article in SEPARATION AND PURIFICATION TECHNOLOGY

Replacing mineral fertilisers for bio-based fertilisers in potato growing on sandy soil : a case study

Chantal M. J. HendriksVaibhav ShrivastavaIvona SigurnjakJan Peter LesschenErik MeersRembert van NoortZhongchen YangRene P. J. J. Rietra

A1 Journal Article in APPLIED SCIENCES-BASEL

What are the desired properties of recycling-derived fertilisers from an end-user perspective?

A. EganAmrita SajuIvona SigurnjakErik MeersN. Power

A2 Journal Article in CLEANER AND RESPONSIBLE CONSUMPTION

2021

Agronomic and environmental performance of Lemna minor cultivated on agricultural wastewater streams : a practical approach

Reindert DevlamynckMarcella Fernandes De SouzaEvi MichelsIvona SigurnjakNatalia Carolina Donoso PantojaCarl CoudronJan LeenknegtPieter VermeirMia EeckhoutErik Meers

A1 Journal Article in SUSTAINABILITY

Assessing nitrogen availability in biobased fertilizers : effect of vegetation on mineralization patterns

Hongzhen LuoAna Robles AguilarIvona SigurnjakEvi MichelsErik Meers

A1 Journal Article in AGRICULTURE-BASEL

Assessing nitrogen availability in biobased fertilizers : effect of vegetation on mineralization patterns

Hongzhen LuoAna Robles AguilarIvona SigurnjakEvi MichelsErik Meers

Impact of time and phosphorus application rate on phosphorus bioavailability and efficiency of secondary fertilizers recovered from municipal wastewater

Aleksandra BogdanCiaran O' DonnellAna Robles AguilarIvona SigurnjakNiamh PowerEvi MichelsJoe HarringtonErik Meers

A1 Journal Article in CHEMOSPHERE

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

Ivona SigurnjakClaudio BrienzaInge C. RegelinkCaleb Elijah EgeneGregory ReulandHongzhen LuoMihalea ŠatvarMassimo ZilioErik Meers

Production of a mineral nitrogen biobased fertiliser from digestate through full-scale membrane filtration

Claudio BrienzaJasper van PuffelenInge RegelinkIvona SigurnjakEvi MichelsOscar SchoumansErik Meers

Solid fraction of separated digestate as soil improver : implications for soil fertility and carbon sequestration

Caleb Elijah EgeneIvona SigurnjakInge C. RegelinkOscar F. SchoumansFabrizio AdaniEvi MichelsSteven SleutelFilip TackErik Meers

A1 Journal Article in JOURNAL OF SOILS AND SEDIMENTS

Techno-economic assessment at full scale of a biogas refinery plant receiving nitrogen rich feedstock and producing renewable energy and biobased fertilisers

Claudio BrienzaIvona SigurnjakT. MeierEvi MichelsF. AdaniO. SchoumansC. VaneeckhauteErik Meers

A1 Journal Article in JOURNAL OF CLEANER PRODUCTION

The nitrogen value of biobased products from an integrated anaerobic digestion–centrifugation–evaporation process : from laboratory estimation to field evaluation

Hongzhen LuoIvona SigurnjakAna Robles AguilarEvi MichelsErik Meers

The potential of digestate and the liquid fraction of digestate as chemical fertiliser substitutes under the RENURE criteria

Gregory ReulandIvona SigurnjakHarmen DekkerEvi MichelsErik Meers

A1 Journal Article in AGRONOMY-BASEL

2020

Ammonia stripping and scrubbing for mineral nitrogen recovery

Claudio BrienzaIvona SigurnjakEvi MichelsErik Meers

Bookchapter in Biorefinery of inorganics : recovering mineral nutrients from biomass and organic waste

Liquid fraction of digestate and air scrubber water as sources for mineral N

Ivona SigurnjakEvi MichelsErik Meers

Bookchapter in Biorefinery of inorganics : recovering mineral nutrients from biomass and organic waste

Manure as a resource for energy and nutrients

Ivona SigurnjakReinhart Van PouckeCéline VaneeckhauteEvi MichelsErik Meers

Bookchapter in Biorefinery of inorganics : recovering mineral nutrients from biomass and organic waste

2019

Anaerobic digestion and nutrient recovery : a key linkage towards a closed recycling loop

Gregory ReulandErik MeersIvona SigurnjakEvi Michels

Assessment of recycling-derived fertilizers and tailor-made blends in laboratory and field

Amrita SajuIvona SigurnjakEvi MichelsErik Meers

Assessment of tailor made blends of recycling derived fertilizers in pot cultivation of Spinacea oleracea

Amrita SajuIvona SigurnjakEvi MichelsErik Meers

Assessment of tailor-made fertilizer blends produced from recycled nutrients

Amrita SajuIvona SigurnjakEvi MichelsErik Meers

Effect of phosphorus fertilizers recovered from municipal wastewater on ryegrass dry matter yield

Aleksandra BogdanEvi MichelsIvona SigurnjakErik Meers

Evaluation of short term N-effects of recycling derived fertilizers (RDFs) focusing on crop yield and N losses

Tomas Van de SandeTim BockstaelInes VerledenAnke De DobbalaereDominique HuitsAmrita SajuIvona SigurnjakErik Meers

Fertilizer performance of organic fertilizers as compared to synthetic fertilizer : a laboratory and a field scale assessment in Croatia

Mihaela ŠatvarŽeljko JukićMarko PetekTomislav KaražijaIvona SigurnjakLepomir ČogaErik Meers

Full scale production of mineral concentrate and ammonium sulphate as nitrogen biobased fertilizers : mass and energy balances

Claudio BrienzaIvona SigurnjakEvi MichelsO SchoumansArjan PrinsenUte BaurmeisterThomas MeierErik Meers

Manure in the European Circular Economy : turning a hindrance into an opportunity

Gregory ReulandS. PflügerM. GiacomazziIvona SigurnjakEvi MichelsErik Meers

Meta-analysis on the agronomic efficiency and environmental impact of biobased N fertilizers derived from agro-waste

Hongzhen LuoIvona SigurnjakEvi MichelsErik Meers

Meta-analysis on the potential to substitute mineral fertilizers by biobased fertilizers derived from agro-residues

Hongzhen LuoIvona SigurnjakMarcella Fernandes De SouzaEvi MichelsErik Meers

Nitrogen recovery from biowaste by means of ammonia (stripping-)scrubbing technology at full scale installations

Claudio BrienzaIvona SigurnjakEvi MichelsOscar SchoumansFabrizio AdaniGilberto GarutiErik Meers

Nitrogen recovery from biowaste by means of ammonia stripping technology at full scale installations

Claudio BrienzaIvona SigurnjakEvi MichelsOscar SchoumansFabrizio AdaniUte BauermeisterGiovanni BoschinErik Meers

Phosphorus availability of fertilizers recovered from municipal wastewater

Aleksandra BogdanEvi MichelsIvona SigurnjakErik Meers

Production and performance of bio-based mineral fertilizers from agricultural waste using ammonia (stripping-)scrubbing technology

Ivona SigurnjakClaudio BrienzaE SnauwaertA De DobbelaereJ De MeyC VaneeckhauteEvi MichelsO SchoumansF AdaniErik Meers

A1 Journal Article in WASTE MANAGEMENT

Solid fraction of digestate for agriculture : assessment of carbon and nitrogen mineralization potential in soil

Caleb Elijah EgeneIvona SigurnjakEvi MichelsOscar SchoumansInge RegelinkErik Meers

Techno-economic assessment of nitrogen recovery from digestate for the production of mineral biobased fertilizer at full-scale

Claudio BrienzaIvona SigurnjakEvi MichelsOF SchoumansUte BauermeisterErik Meers

The fate of nitrite and nitrate during anaerobic digestion

K GhyselbrechtA MonballiuMH SomersIvona SigurnjakErik MeersL AppelsB Meesschaert

A1 Journal Article in ENVIRONMENTAL TECHNOLOGY

Variation in carbon and nitrogen mineralization potential of solid fractions of digestate obtained using different separation techniques

Caleb Elijah EgeneIvona SigurnjakEvi MichelsOscar SchoumansInge RegelinkErik Meers

2018

Carbon and nitrogen mineralization potential of solid fraction of digestate used as soil improvers

Caleb Elijah EgeneIvona SigurnjakInge RegelinkOscar SchoumansEvi MichelsErik Meers

Effect of digestate disintegration on anaerobic digestion of organic waste

Matthijs H SomersSamet AzmanIvona SigurnjakKarel GhyselbrechtErik MeersBoudewijn MeesschaertLise Appels

A1 Journal Article in BIORESOURCE TECHNOLOGY

Phos4You : quality assessment of phosphorus fertilizers recycled from municipal wastewater

Aleksandra BogdanIvona SigurnjakEvi MichelsErik Meers

Phos4You project : phosphorus availability of phosphorus fertilizers recovered from municipal wastewater

Aleksandra BogdanCiaran O'DonnellMarina Le GuédardEvi MichelsIvona SigurnjakErik Meers

Phos4You project : phosphorus fertilizers recovered from municipal wastewater and their quality assessment

Aleksandra BogdanIvona SigurnjakEvi MichelsErik Meers

Role of biowaste processing in nutrient (re)cycling and the circular economy

Erik MeersIvona SigurnjakKamila MascartAngela ArnauMarcella Fernandes De SouzaEvi Michels

SYSTEMIC : nutrient recovery from anaerobic digestate of biowaste : technical assessment of full scale installations throughout Europe

Claudio BrienzaIvona SigurnjakEvi MichelsUta BauermeisterErik Meers

Stripping and scrubbing of ammonium using common fractionating columns to prove ammonium inhibition during anaerobic digestion

K GhyselbrechtA MonballiuMH SomersIvona SigurnjakErik MeersL AppelsB Meesschaert

A2 Journal Article in INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING

2017

Animal manure derivatives as alternatives for synthetic nitrogen fertilizers

Ivona SigurnjakErik MeersStefaan De NeveFilip Tack

Does acidification increase the nitrogen fertilizer replacement value of bio-based fertilizers?

Ivona SigurnjakEvi MichelsSara CrappéSaskia BuysensJayanta K BiswasFilip TackStefaan De NeveErik Meers

A1 Journal Article in JOURNAL OF PLANT NUTRITION AND SOIL SCIENCE

Fertilizer performance of liquid fraction of digestate as synthetic nitrogen substitute in silage maize cultivation for three consecutive years

Ivona SigurnjakCéline VaneeckhauteEvi MichelsBart RyckaertGreet GhekiereFilip TackErik Meers

A1 Journal Article in SCIENCE OF THE TOTAL ENVIRONMENT

Liquid fraction of digestate as good as chemical fertiliser? : observations from a three-year field experiment

Ivona SigurnjakCéline VaneeckhauteEvi MichelsBart RyckaertGreet GhekiereFilip TackErik Meers

A4 Journal Article in COMMUNICATIONS IN AGRICULTURAL AND APPLIED BIOLOGICAL SCIENCES

Nitrogen release and mineralization potential of derivatives from nutrient recovery processes as substitutes for fossil fuel-based nitrogen fertilizers

Ivona SigurnjakJeroen De WaeleEvi MichelsFilip TackErik MeersStefaan De Neve

A1 Journal Article in SOIL USE AND MANAGEMENT

Systemic : production of biobased fertilizers from digestate : an in depth analysis of 5 full scale installations throughout Europe

Claudio BrienzaIvona SigurnjakEvi MichelsOscar SchoumansArjan PrinsenErik Meers

The fate of heavy metals in anaerobic digestion process

Ivona SigurnjakEvi MichelsFilip TackErik Meers

2016

Utilization of derivatives from nutrient recovery processes as alternatives for fossil-based mineral fertilizers in commercial greenhouse production of Lactuca sativa L.

Ivona SigurnjakEvi MichelsSara CrappéSaskia BuysensFilip TackErik Meers

A1 Journal Article in SCIENTIA HORTICULTURAE

2015

Bemestingswaarde van spuiwater en dunne fractie van digestaat in bloemkool

Tomas Van De SandeBart RyckaertAnke De DobbelaereBrecht AnnicaertErik MeersIvona Sigurnjak

Heavy metal concentration in manure and digestate: a simulation model

Ivona SigurnjakEvi MichelsFilip TackErik Meers

Nitrogen mineralization potential of bio-based fertilizers

Ivona SigurnjakEvi MichelsStefaan De NeveErik Meers

Nitrogen use efficiency of liquid fraction of digestate: a three-year field experiment (Zea Mays L.)

Ivona SigurnjakCéline VaneeckhauteEvi MichelsBart RyckaertGreet GhekiereFilip TackErik Meers

Nutrient recovery from digestate: case study report

Viooltje LebufEmilie SnauwaertEvi MichelsErik MeersIvona SigurnjakLies De ClercqAnke De DobbelaereBart Ryckaert

Veldproeven met biogebaseerde meststoffen

Lies De ClercqEvi MichelsErik MeersIvona SigurnjakCéline VaneeckhauteBrecht AnnicaertMathias CougnonDirk ReheulThijs Vanden NestLies Willaert et al.

2014

Bio-based fertilizers for greenhouse cropping: a lab and field scale assessment

Ivona SigurnjakEvi MichelsSara CrappéEllen DolmansFilip TackErik Meers

Nutrient use efficiency of liquid fraction of digestate: a three-year field trial

Ivona SigurnjakCéline VaneeckhauteEvi MichelsBart RyckaertJohan VandenbulckeGreet GhekiereFilip TackErik Meers

Spuiwater in de praktijk

Céline SchollierEvi MichelsHilde De WachterBart RyckaertIvona SigurnjakErik Meers

A4 Journal Article in VARKENSBEDRIJF

2013

Bio-based fertilizer for the greenhouse cropping: a lab and field scale assessment

Ivona SigurnjakEvi MichelsSara CrappéEllen DolmansFilip TackNico VergoteErik Meers

Field and lab scale assessment of bio-based mineral fertilizer substitutes

Ivona SigurnjakCéline VaneeckhauteEvi MichelsGreet GhekiereViooltje LebufFrederik AccoeFilip TackErik Meers

Field and lab scale assessment of bio-based mineral fertilizer substitutes

Ivona SigurnjakEvi MichelsGreet GhekiereBart RyckaertViooltje LebufFilip TackErik Meers

Nutrient and energy recuperation from digestate

Ivona SigurnjakCéline VaneeckhauteErik MeersEvi MichelsGreet GhekiereFrederik AccoeViooltje LebufFilip Tack

Optimization of nutrient fluxes in European agriculture by using bio-based mineral fertilizer substitutes: a field experiment

Ivona SigurnjakEllen DolmansEvi MichelsBart RyckaertViooltje LebufFilip TackErik Meers

Spuiwater van luchtwasser als groene minerale meststof

Erik MeersEvi MichelsHilde De WachterSara CrappéCéline SchollierBart RyckaertIvona Sigurnjak

A4 Journal Article in VARKENSBEDRIJF