Supercritical water oxidation of lactose
Sign Up to like & getrecommendations! Published in 2017 at "Canadian Journal of Chemical Engineering"
DOI: 10.1002/cjce.22772
Abstract: New data on total organic carbon (TOC) reduction and H2 production were obtained by using supercritical water oxidation of lactose with and without oxidant agents (H2O2 and t-BHP) in a continuous Inconel 625 flow reactor.… read more here.
Keywords: production; oxidation; oxidation lactose; water oxidation ... See more keywords
Catalytic gasification of digestate sludge in supercritical water on the pilot plant scale
Sign Up to like & getrecommendations! Published in 2017 at "Biomass Conversion and Biorefinery"
DOI: 10.1007/s13399-017-0238-x
Abstract: Gasification in supercritical water can be assisted with heterogeneous catalysts. Effective salt separation upstream of the catalyst is important to avoid poisoning of the catalyst and to recover nutrients. Recovery of phosphorus and nitrogen as… read more here.
Keywords: catalyst; digestate sludge; supercritical water; gasification ... See more keywords
Alkali-catalyzed supercritical water gasification of sewage sludge: effect of liquid residue reuse as homogenous catalyst
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Environmental Science and Technology"
DOI: 10.1007/s13762-020-02697-x
Abstract: Conventional supercritical water gasification (SCWG) of sewage sludge produces liquid residues with organic pollutants, heavy metals and others. In order to reduce liquid residues released into the environment, this study investigated the reuse of liquid… read more here.
Keywords: liquid; supercritical water; sludge; liquid residues ... See more keywords
Understanding the surface oxide evolution of T91 ferritic-martensitic steel in supercritical water through advanced characterization
Sign Up to like & getrecommendations! Published in 2020 at "Acta Materialia"
DOI: 10.1016/j.actamat.2020.05.016
Abstract: Abstract The surface oxide scale formed on T91 steel after exposure to deaerated supercritical water (SCW) at 600 °C for 100–1500 h are characterized in detail to reveal the oxide evolution over time. A triplex structure… read more here.
Keywords: layer; surface oxide; oxide layer; supercritical water ... See more keywords
Coupled Monte Carlo-CFD analysis of heat transfer phenomena in a supercritical water reactor fuel assembly
Sign Up to like & getrecommendations! Published in 2020 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2020.107312
Abstract: Abstract In this paper coupled calculations with the CFD code ANSYS-CFX-19.0 and the Monte Carlo neutronics code MCNP6 were performed to analyze the heat transfer in supercritical water flowing through the typical fuel assembly of… read more here.
Keywords: fuel assembly; fuel; supercritical water; heat transfer ... See more keywords
Performance analysis of a supercritical water-cooled nuclear reactor integrated with a combined cycle, a Cu-Cl thermochemical cycle and a hydrogen compression system
Sign Up to like & getrecommendations! Published in 2017 at "Applied Energy"
DOI: 10.1016/j.apenergy.2017.03.046
Abstract: Abstract A novel integration is proposed and analyzed of a thermochemical water decomposition cycle with a supercritical water-cooled nuclear reactor, a combined cycle, and a hydrogen compression system. The supercritical water-cooled reactor in the integrated… read more here.
Keywords: water cooled; system; hydrogen; cycle ... See more keywords
Hydraulic resistance of in-tube cooling supercritical water accompanying out-tube pool boiling
Sign Up to like & getrecommendations! Published in 2018 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2018.04.136
Abstract: Abstract The experiment was conducted by immersing a smooth horizontal tube in a pool tank to simulate the flow condition of Passive Residual Heat Removal System (PRHRS) in a SuperCritical Water-cooled Reactor (SCWR). Hydraulic resistance… read more here.
Keywords: tube cooling; supercritical water; tube; tube pool ... See more keywords
A new criterion for the onset of heat transfer deterioration to supercritical water in vertically-upward smooth tubes
Sign Up to like & getrecommendations! Published in 2019 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2019.01.077
Abstract: Abstract The heat transfer characteristics of supercritical water, Deteriorated Heat Transfer (DHT) in particular, is crucial to the safety of supercritical devices. It became imperative to develop a new criterion with extensive applicability and high… read more here.
Keywords: supercritical water; heat; criterion; new criterion ... See more keywords
Correlation for self-diffusion coefficients of H2, CH4, CO, O2 and CO2 in supercritical water from molecular dynamics simulation
Sign Up to like & getrecommendations! Published in 2020 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2020.114941
Abstract: Abstract Molecular dynamics simulations were employed for the calculation of self-diffusion coefficients of H2, CH4, CO, O2 and CO2 in supercritical water over a wide range of temperature (673–973 K) and pressure (250–280 atm). Based on our… read more here.
Keywords: self diffusion; coefficients ch4; supercritical water; diffusion coefficients ... See more keywords
Geometry optimization for supercritical water heat transfer enhancement in non-uniformly heated rifled tubes
Sign Up to like & getrecommendations! Published in 2021 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2021.116566
Abstract: Abstract Optimization of geometric parameters for rifled tube is of great importance for safe operation of heat exchangers. In this paper, the influences of geometry, including rib height, pitch and rib shape, on the heat… read more here.
Keywords: rifled tubes; supercritical water; heat; geometry ... See more keywords
Supercritical water gasification of sewage sludge in continuous reactor.
Sign Up to like & getrecommendations! Published in 2018 at "Bioresource technology"
DOI: 10.1016/j.biortech.2017.10.002
Abstract: In this study, a process for the continuous recovery of phosphorus and generation of gas from sewage sludge is investigated for the first time using supercritical water gasification (SCWG). A continuous reactor was employed and… read more here.
Keywords: water gasification; sewage sludge; phosphorus; supercritical water ... See more keywords