Browsing Institutt for prosess-, energi- og miljøteknologi by Issue Date
Now showing items 201-220 of 333
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Detection of Candidatus Neoehrlichia mikurensis in Norway up to the northern limit of Ixodes ricinus distribution using a novel real time PCR test targeting the groEL gene
(Journal article; Peer reviewed, 2019)Background Candidatus Neoehrlichia mikurensis is an emerging tick-borne pathogen. It is widely distributed in Ixodes ricinus ticks in Europe, but knowledge of its distribution in Norway, where I. ricinus reaches its ... -
Influences of temperature and substrate particle content on granular sludge bed anaerobic digestion
(Peer reviewed; Journal article, 2019)Influences of temperature (25–35 °C) and substrate particulate content (3.0–9.4 g total suspended solids (TSS)/L) on granular sludge bed anaerobic digestion (AD) were analyzed in lab-scale reactors using manure as a substrate ... -
Prediction of void fraction and minimum fluidization velocity of a binary mixture of particles: Bed material and fuel particles
(Peer reviewed; Journal article, 2019)For operational control and design of a fluidized bed reactor containing different types of solid particles, the bed void fraction and minimum fluidization velocity are vital parameters. This paper demonstrates a method ... -
Simulation of dew points in raw biogas using PR and SRK equations of state :
(Peer reviewed; Journal article, 2019)Biogas contains mainly methane, but raw biogas can contain large amounts of CO2 and is normally saturated with water. Condensation, especially during compression, may lead to operational problems. The aim of this work is ... -
Aqueous Mapa, DEEA, and Their Blend as CO2 Absorbents: Interrelationship between NMR Speciation, pH, and Heat of Absorption Data
(Peer reviewed; Journal article, 2019)On the basis of speciation by nuclear magnetic resonance (NMR) spectroscopy, heat of absorption, and pH data, the reactions occurring in aqueous MAPA (3-(methylamino)propylamine), DEEA (2-(diethylamino)ethanol), and their ... -
Human behaviour modelling for welfare technology using hidden Markov models
(Peer reviewed; Journal article, 2019)Human behaviour modelling for welfare technology is the task of recognizing a person's behaviour patterns in order to construct a safe environment for that person. It is useful in building environments for older adults or ... -
Investigation of the segregation and mixing behavior of biomass in a bubbling fluidized bed reactor using a CPFD model
(Journal article; Peer reviewed, 2019)Segregation of biomass in a gasification reactor is an inevitable problem that can jeopardize the advantages such as uniform temperature control and proper mass circulation, and good solid-gas contacting area of the fluidized ... -
CPFD model for prediction of flow behavior in an agglomerated fluidized bed gasifier
(Peer reviewed; Journal article, 2019)Renewable energy sources have significant potential for limiting climate change and reducing greenhouse gas emissions due to the increased global energy demand. Fluidized bed gasification of biomass is a substantial ... -
Density and Viscosity Correlations for Aqueous 3-Amino-1-propanol and Monoethanol Amine Mixtures
(Journal article; Peer reviewed, 2019)Density and viscosity data and relevant correlations are essentially needed to perform mathematical modelling and simulations for the design of process equipment. Correlations that are developed to cover a range of ... -
Bioelectrochemical CO2 Reduction to Methane: MES Integration in Biogas Production Processes
(Peer reviewed; Journal article, 2019)Anaerobic digestion (AD) is a widely used technique to treat organic waste and produce biogas. This article presents a practical approach to increase biogas yield of an AD system using a microbial electrosynthesis system ... -
Effect of Particulate Disintegration on Biomethane Potential of Particle-Rich Substrates in Batch Anaerobic Reactor
(Peer reviewed; Journal article, 2019)An investigation of particle disintegration was carried out using batch anaerobic reactors and a particle-rich substrate from pig manure supernatant. Two types of samples were applied, one high in suspended particles (raw ... -
Measurement and characterization of biomass mean residence time in an air-blown bubbling fluidized bed gasification reactor
(Peer reviewed; Journal article, 2019)Gasification of biomass in bubbling fluidized beds can be limited by accumulation of unconverted char particles during the process. The amount of unconverted biomass depends on the residence time of the fuel particles. ... -
Experimental and computational study on the effect of ash deposition on fluid dynamic behavior in a bubbling fluidized bed gasifier
(Journal article; Peer reviewed, 2019)The effect of ash deposition on fluid dynamic behavior in a fluidized bed gasification reactor has been studied using experimental and computational methods. The experiments were carried out using sand particles as bed ... -
Compression and transport of raw biogas
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Biofilm in Moving Bed Biofilm Process for Wastewater Treatment
(Chapter, 2019)A brief introduction of the long history of biofilm-based wastewater treatment is given together with basics of biofilm behavior and mechanisms in removal and transformation of pollutants. Moving bed biofilm reactor (MBBR) ... -
Work Placement in Higher Education – Bridging the Gap between Theory and Practice
(Peer reviewed; Journal article, 2019)During the engineering education, the focus is on theoretical knowledge and less on the practical competence to be a professional engineer. To lead higher education into the future, it is critical to develop models and ... -
Improved multi-stage cross-flow fluidized bed classifier
(Peer reviewed; Journal article, 2019)In the present work, improvements to a novel fluidized bed solids classification system previously published by Jayarathna et al. are discussed (Jayarathna et al., 2018 [1]). The system is designed for a high temperature ... -
Granular sludge bed processes in anaerobic digestion of particle-rich substrates
(Peer reviewed; Journal article, 2019)Granular sludge bed (GSB) anaerobic digestion (AD) is a well-established method for efficient wastewater treatment, limited, however, by the wastewater particle content. This review is carried out to investigate how and ... -
Effect of particle size on flow behavior in fluidized beds
(Peer reviewed; Journal article, 2019)The fluidization behaviour depends on particle properties such as particle size, sphericity, density and the properties of the fluidizing agent. In this study, the effects of different particle sizes on fluidization behaviour ... -
Fusion of Body Sensors’ Data and Video Images in Assistive Technology
(Chapter, 2019)Modern innovations in the design of sensors and the convergence of computing, cognition and communications have led to many new possibilities in incorporating AI-techniques in Assistive Technology (AT) for elderly people. ...