Blar i Institutt for prosess-, energi- og miljøteknologi på tittel
Viser treff 116-135 av 332
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Effects of N/S Molar Ratio on Product Formation in Psychrophilic Autotrophic Removal of Sulfide
(Journal article; Peer reviewed, 2017) -
Effects of Psychrophilic Storage on Manures as Substrate for Anaerobic Digestion
(Journal article; Peer reviewed, 2014-08-05)The idea that storage can enhance manure quality as substrate for anaerobic digestion (AD) to recover more methane is evaluated by studying storage time and temperature effects on manure composition. Volatile fatty acids ... -
Efficiency of the anaerobic digestion of amine wastes
(Journal article; Peer reviewed, 2013-08-04)Laboratory-scale anaerobic degradation of monoethanolamine waste (MEAw) with co-substrate organics was conducted at roomtemperature and organic loading rates from 0.19 to 5.03 kg COD/m3 day for 486 days in a hybrid digester. ... -
Energy recovery from wastes : experience with solid alternative fuels combustion in a precalciner cement kiln
(Conference report, 2001)Today virtually all cement clinker burning processes take place in rotary kilns. A mixture of calcareous and argilaceous materials is heated to a temperature of about 1450 °C. In this process decarbonation followed by ... -
Equilibria of MEA, DEA and AMP with Bicarbonate and Carbamate: a Raman Study.
(Journal article; Peer reviewed, 2013-08-05)Species distribution analysis in carbonated alkanolamine solution is import in order to estimate accurate thermodynamic properties. The applicability of Raman spectroscopy as an analytical tool for speciation of carbonated ... -
Equilibrium Measurements of the NH3-CO2-H2O System: Speciation Based on Raman Spectroscopy and Multivariate Modeling
(Journal article; Peer reviewed, 2017)Liquid speciation is important for reliable process design and optimization of gas-liquid absorption process. Liquid-phase speciation methods are currently available, although they involve tedious and time-consuming ... -
Er elbilen et bærekraftig alternativ til fossilbilen?
(Report, 2021)De globale klimagassutslippene må reduseres til nær null i løpet av de nærmeste tre tiårene om vi skal unngå dramatiske endringer av klimaet. Transportsektoren, herunder personbilen, står for en betydelig del av ... -
Euler-Granular Approach for Modelling of Dilute Phase Pneumatic Conveying in a Vertical Pipe
(Journal article; Peer reviewed, 2017)In the present study, vertically upward dilute phase pneumatic conveying flow was predicted using Euler - Granular method. Three dimensional computational fluid dynamics simulations were carried out for an 8 m long and ... -
Eulerian-Eulerian simulation of heat transfer between a gas-solid fluidized bed and an immersed tube-bank with horizontal tubes
(Journal article; Peer reviewed, 2011-04-15)A two dimensional Eulerian-Eulerian simulation of tube-to-bed heat transfer is carried out for a cold gas fluidized bed with immersed horizontal tubes. The horizontal tubes are modelled as obstacles with square cross section ... -
Evaluating the performance of advanced wells in heavy oil reservoirs under uncertainty in permeability parameters
(Peer reviewed; Journal article, 2022)Advanced wells play a crucial role in maximizing the efficiency of oil production. To achieve a successful design for advanced wells, several parameters must be considered and evaluated. Uncertainty in these parameters can ... -
Evaluation of Complex Spray Behaviors of Sprinkler Spray Using FDS
(Peer reviewed; Journal article, 2022)It takes money, time, and energy to set up an experimental grid to measure the effectiveness of fire suppression parameters. Therefore, computational fluid dynamics (CFD) is an alternative in all fields as consequences ... -
Evaluation of drag models for CFD simulation of fluidized bed biomass gasification
(Journal article; Peer reviewed, 2017)Gasification of biomass into suitable feedstock has become a feasible alternative technology for reducing the use of energy feedstock from fossil sources. Usually, fluidized bed technology is used in the biomass gasification ... -
Evaporation characteristics during decompression of liquified CO2 from a conical-shaped vessel
(Peer reviewed; Journal article, 2021)Safe transport of pressurized CO2 requires a profound knowledge of the processes' effect during the phase transition on catastrophic failure of a tanker filled with liquid CO2. This study presents experimental results and ... -
Experimental and computational studies of circulating fluidized bed
(Journal article; Peer reviewed, 2020)Biomass gasification represents an efficient process for the production of power, heat and biofuels. Different technologies are used for gasification and this article focuses on a circulating fluidized bed (CFB) system. ... -
Experimental and computational studies on biomass gasification in fluidized beds
(Peer reviewed; Journal article, 2019)The world’s energy consumption is increasing, and research regarding utilization of renewable energy sources is crucial. Biomass for direct heating has been used for thousands of years, while in the last decades alternative ... -
Experimental and Computational study of Chemical Looping Combustion
(Journal article; Peer reviewed, 2018)In this paper, the fluidization properties of possible oxygen carriers in Chemical Looping Combustion (CLC) have been studied. Experiments were performed in a cold fluidized bed to study fluidization properties of particles ... -
Experimental and Computational Study of Oxygen Carriers in Chemical Looping Combustion
(Journal article; Peer reviewed, 2018)In this paper, the fluidization properties of possible oxygen carriers in Chemical Looping Combustion (CLC) have been studied. Experiments were performed in a cold fluidized bed to study fluidization properties of 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 ... -
Experimental Design and Modeling for Propylene Oxide - CO2–Poly (Propylene Carbonate) Solutions
(Journal article; Peer reviewed, 2018)In this research, experimental design was used to formulate the empirical models of viscosity and density of poly(propylene carbonate) (PPC), propylene oxide (PO), and carbon dioxide (CO2) solutions by designing experiments ... -
Experimental investigation of load exerted on a double-cone insert and effect of the insert on pressure along walls of a large-scale axisymmetrical silo
(Journal article; Peer reviewed, 2011-03-03)Applications of flow aid devices (commonly referred as inserts) improve the silo discharging mode. Considerable efforts have been made in finding best configurations between the inserts and silos to achieve the optimal ...