Henrik Bjarne Møller

Removal of antibiotic and disinfectant compounds from digested pig manure by an aerobic hybrid biofilm process

Yrsa Larsson, Marcell Nikolausz, Henrik Bjarne Møller, Kai Bester

Using nutrient-rich manure as fertiliser on agricultural land improves crop yield, biodiversity, soil structure, water and nutrient availability. However, manure often contains high levels of antibiotics, as only 10-30 % are metabolised by the animal, thus, soil application contributes to the spread …

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Management effects on methane emission from stored digestate - Insights from coupling heat transfer and microbial models

Sasha Daniel Hafner, Henrik Bjarne Møller, Frederik Rask Dalby, Cristiane Romio

Methane emission from digestate stored after anaerobic digestion and effects of management are not well characterized. In this work a heat transfer model for digestate temperature and a microbial model for methane production were coupled to provide a tool for predicting methane …

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Can copper and zinc replace a commercial trace element mixture in enhancing methane production from agricultural digestate post-processing?

Hellen Luisa de Castro e Silva, Jared Onyango Nyangáu, Çağrı Akyol, Peter Borgen Sørensen et autres

Post-treatment of digestate benefits biogas plants by reducing gas emissions and recovering residual methane potential, but the substrate often lacks nutrients for soil application. Adding trace elements (TEs) can enhance energy production and agricultural value. This study examines whether copper (Cu) and …

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Influence of fiber type on enteric methane production from growing-finishing pigs and subsequent biochemical methane potential of excreted feces

Elvira Sattarova, Michael Jørgen Hansen, Henry J.H. Jørgensen, Peter Lund et autres

Three diets differing in type and amount of total fiber (TF) were formulated in order to investigate the effects of fiber type and amount on enteric methane (CH4) production from growing-finishing pigs and subsequent biochemical CH4 potential of the excreted feces. The …

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Deep Dive into the Microaeration of Lignocellulose-Based Anaerobic Digestion at Pilot Scale: Performance, Stability and Microbial Community Analysis

Marcin P. Kozera, Çağrı Akyol, Florent Bouchon, Ramon Ganigué et autres

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Optimizing Wet Oxidation Pretreatment for Enhanced Biogas Production from Lignocellulose-Rich Digestate: Temperature and Oxygen Effect

Marcin P. Kozera, Matilde Heydorn Koopmann, Anna Karina Børresen, Kai Bester et autres

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Unlocking higher methane yields and digestate nitrogen availability in soil through thermal treatment of feedstocks in a two-step anaerobic digestion

Jared Onyango Nyangáu, Jihane El Mahdi, Henrik Bjarne Møller, Peter Borgen Sørensen

Abstract Background There is an increasing interest in using lignocellulosic feedstocks for biogas production. Treatment of these feedstocks prior to anaerobic digestion (AD) can enhance their accessibility to microorganisms involved in the process. To improve the digestion of recalcitrant feedstocks and boost …

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Utilization of cattle slurry, biogas digestates and separated digestates by injection to organically managed spring barley

Marie Reimer, Henrik Bjarne Møller, Peter Borgen Sørensen

Nutrient scarcity in organic farming is an important obstacle to the growth of the sector. This study aimed to design a novel anaerobic digestion system for enhancing nitrogen (N) availability and abundance by co-digestion of grass-clover biomass and cattle slurry and a …

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Assessment of two-stage hyper- and thermophilic anaerobic co-digestion of briquetted wheat straw and liquid fraction of digestate

Marcin P. Kozera, Alastair James Ward, Kai Bester, Henrik Bjarne Møller

Due to the high resistance of lignocellulosic biomass to anaerobic digestion, the application of an appropriate pre-treatment method is an unavoidable step before subjecting the material to anaerobic digestion (AD). Thus, this study aims to assess a two-stage anaerobic co-digestion of briquetted …

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Climate impact of alternative organic fertilizers using life cycle assessment

Xiaoyi Meng, Marie Trydeman Knudsen, Søren Ole Petersen, Henrik Bjarne Møller et autres

Abstract Anaerobic digestion is a common method for managing liquid manure and other biomasses, generating biogas as a renewable energy source. The resulting digestate can be processed into organic fertilizers to enhance nutrient recycling, but its environmental impact warrants investigation. In this …

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Characterization and valorization of biogas digestate and derived organic fertilizer products from separation processes

Cristiane Romio, Alastair James Ward, Henrik Bjarne Møller

Introduction Anaerobic digestion of manure, together with other biowastes, produces biogas that can substitute fossil energy and thereby reduce CO 2 emissions and post- digestion greenhouse gas emissions. The final digestate of the process is an organic fertilizer rich in plant nutrients …

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Baling and ensiling of wet cereal straw as combined storage and pretreatment for biogas production

Søren Ugilt Larsen, Henrik Bjarne Møller

Cereal straw is a large biomass resource which may potentially be pretreated for biogas production by combined ensiling and storage. Five pilot-scale ensiling experiments were performed with straw of wheat, barley and rye, baled in midi-bales (0.9*1.2*2.0 m) with various water contents …

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