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Evaluation of alternative methods of tunnel composting (submitted by the European Composting Network) II. Instituut voor Landbouw-, Visserij- en Voedingsonderzoek

Lieve Herman
Two alternative methods for producing compost in a tunnel, from certain category (Cat.) 3 animal by-products (ABP) and other non-ABP material, were assessed. The first method proposed a minimum temperature of 55°C for 72 h and the second 60°C for 48 h, both with a maximum particle size of 200 mm. The assessment of the Panel on Biological Hazards (BIOHAZ) exclusively focused on Cat. 3 ABP materials (catering waste and processed foodstuffs of ...

Critical impacts of energy targeting on the sustainability of advanced biobutanol separation Vrije Universiteit Brussel

Keikhosro Karimi, Benyamin Khoshnevisan, Joeri Denayer

Biobutanol stands out as an advanced renewable biofuel, yet its production through fermentation yields a low butanol concentration, necessitating expensive and energy-intensive separation methods, particularly by distillation. Alternative approaches, including adsorptive separation, have emerged, with the 2-column zeolite-based process showing promise. This study employed Aspen Plus for simulating adsorptive separation, utilized Pinch ...

A critical review of common pitfalls and guidelines to effectively infer parameters of agent-based models using Approximate Bayesian Computation Universiteit Gent

Lander De Visscher, Bernard De Baets, Jan Baetens
The agent-based modelling paradigm often results in complex, highly detailed models, containing unknown or uncertain parameters. Approximate Bayesian Computation (ABC) offers a simulation-based approach for inferring these parameters from observational data. But similar to the flexibility ingrained in agent-based models, the flexible nature of ABC involves several design choices. Here we systematically review how ABC is currently applied in ...

A novel Microbacterium strain SRS2 promotes the growth of Arabidopsis and MicroTom (S. lycopersicum) under normal and salt stress conditions Universiteit Gent Vlaams Instituut voor Biotechnologie

. Ho Manh Tuong, Sonia García Méndez, Michiel Vandecasteele, Anne Willems, Anelia Iancheva, Pham Bich Ngoc, Do Tien Phat, Chu Hoang Ha, Sofie Goormachtig
Microbacterium strain SRS2 promotes growth and induces salt stress resistance in Arabidopsis and MicroTom in various growth substrates via the induction of the ABA pathway. Soil salinity reduces plant growth and development and thereby decreases the value and productivity of soils. Plant growth-promoting rhizobacteria (PGPR) have been shown to support plant growth such as in salt stress conditions. Here, Microbacterium strain SRS2, isolated from ...

Energy-Efficient Internet of Drones Path-Planning Study Using Meta-Heuristic Algorithms Universiteit Hasselt

Gamil Ahmed, Tarek Sheltami, Mustafa Ghaleb, Mosab Hamdan, Ashraf Mahmoud, Ansar YASAR
The increasing popularity of unmanned aerial vehicles (UAVs), commonly known as drones, in various fields is primarily due to their agility, quick deployment, flexibility, and excellent mobility. Particularly, the Internet of Drones (IoD)-a networked UAV system-has gained broad-spectrum attention for its potential applications. However, threat-prone environments, characterized by obstacles, pose a challenge to the safety of drones. One of the ...

Dissecting the conformational complexity and mechanism of a bacterial heme transporter Universiteit Gent

Di Wu, Ahmadreza Mehdipour, Franziska Finke, Hojjat G. Goojani, Roan R. Groh, Tamara N. Grund, Thomas M. B. Reichhart, Rita Zimmermann, Sonja Welsch, Dirk Bald, et al.
Iron-bound cyclic tetrapyrroles (hemes) are redox-active cofactors in bioenergetic enzymes. However, the mechanisms of heme transport and insertion into respiratory chain complexes remain unclear. Here, we used cellular, biochemical, structural and computational methods to characterize the structure and function of the heterodimeric bacterial ABC transporter CydDC. We provide multi-level evidence that CydDC is a heme transporter required for ...

GOLVEN peptides regulate lateral root spacing as part of a negative feedback loop on the establishment of auxin maxima Universiteit Gent Vlaams Instituut voor Biotechnologie

Joris Jourquin, Ana Fernandez Salina, Qing Wang, Ke Xu, Jian Chen, Jan Šimura, Karin Ljung, Steffen Vanneste, Tom Beeckman
Lateral root initiation requires the accumulation of auxin in lateral root founder cells, yielding a local auxin maximum. The positioning of auxin maxima along the primary root determines the density and spacing of lateral roots. The GOLVEN6 (GLV6) and GLV10 signaling peptides and their receptors have been established as regulators of lateral root spacing via their inhibitory effect on lateral root initiation in Arabidopsis. However, it remained ...

Summertime near‐surface temperature biases over the Central United States in convection‐permitting simulations Universiteit Gent

Hongchen Qin, Stephen A. Klein, Hsi‐Yen Ma, Kwinten Van Weverberg, Zhe Feng, Xiaodong Chen, Martin Best, Huancui Hu, L. Ruby Leung, Cyril J. Morcrette, et al.
Convection-Permitting Model (CPM) simulations of the Central United States climate for the summer of 2011 are studied to understand the causes of warm biases in 2-m air temperature (T-2m) and related underestimates of precipitation including that from mesoscale convective systems (MCSs). Based on 10 CPM simulations and 9 coarser-resolution model simulations, we quantify contributions from evaporative fraction (EF) and radiation to the T-2m bias ...

Comparing column dynamics in the liquid and vapor phase adsorption of biobutanol on an activated carbon monolith Vrije Universiteit Brussel

Emile Beckwée, Gille Wittevrongel, Benjamin Claessens

Adsorbent monoliths are gaining increasing interest in gas phase separation processes, but have rarely been studied for liquid phase separations. In this work, we investigate an activated carbon monolith for the recovery of biobutanol from model liquid mixtures as well as compare the obtained column dynamics with the adsorption of biobutanol from gas mixtures. Single solute adsorption isotherms of acetone, n-butanol and ethanol revealed the ...

Efficient coproduction of butanol, ethanol, and biohydrogen from municipal solid waste through a cocultivated biorefinery Vrije Universiteit Brussel

Farinaz Ebrahimian, Joeri Denayer, Keikhosro Karimi

The cocultivation of Clostridium acetobutylicum and Mucor indicus was evaluated for the first time to take the advantages of both microorganisms for fully exploiting the energy potential of the organic fraction of municipal solid waste (OFMSW), generating high yields of acetone-butanol-ethanol (ABE) and hydrogen through a biorefinery scheme. Unlike M. indicus, C. acetobutylicum can ferment unhydrolyzed starch and pentose sugars. However, the ...