Results 1 to 10 of about 113,599 (195)

Supercritical Water is not Hydrogen Bonded. [PDF]

open access: yesAngew Chem Int Ed Engl, 2020
AbstractThinking about water is inextricably linked to hydrogen bonds, which are highly directional in character and determine the unique structure of water, in particular its tetrahedral H‐bond network. Here, we assess if this common connotation also holds for supercritical water.
Schienbein P, Marx D.
europepmc   +7 more sources

Supercritical water gasification: practical design strategies and operational challenges for lab-scale, continuous flow reactors

open access: yesHeliyon, 2019
Optimizing an industrial-scale supercritical water gasification process requires detailed knowledge of chemical reaction pathways, rates, and product yields. Laboratory-scale reactors are employed to develop this knowledge base.
Brian R. Pinkard   +6 more
doaj   +3 more sources

Supercritical Water Gasification of Biomass: A Literature and Technology Overview

open access: yesEnergies, 2015
The supercritical water gasification process is an alternative to both conventional gasification as well as anaerobic digestion as it does not require drying and the process takes place at much shorter residence times; a few minutes at most.
Onursal Yakaboylu   +3 more
doaj   +3 more sources

Visualization of supercritical water pseudo-boiling at Widom line crossover [PDF]

open access: yesNature Communications, 2019
Supercritical water exists in gas- and liquid-like forms, but these have not been distinguished yet at the macroscale. Here the authors investigate supercritical water interacting with microporous carbon by neutron imaging, and observe the coexistence of
Florentina Maxim   +6 more
doaj   +2 more sources

Raman spectroscopic data from Formic Acid Decomposition in subcritical and supercritical water [PDF]

open access: yesData in Brief, 2020
The spectra presented correspond with the research article entitled “Kinetics of Formic Acid Decomposition in Subcritical and Supercritical Water – A Raman Spectroscopic Study” [1]. Data set contains in situ Raman spectra of the quenched effluent stream,
Brian R. Pinkard   +6 more
doaj   +2 more sources

The role of catalyst in supercritical water desulfurization

open access: yesApplied Catalysis B: Environmental, 2014
Abstract We evaluated supercritical water (SCW) for sulfur removal from Arabian Heavy (AH) whole crude oil and two model feeds: hexyl sulfide (HS) in hexadecane (HD) and dibenzothiophene (DBT) in HD. We measured SCW desulfurization performance in the absence and presence of ZnO, MoO3 and MoS2.
Ayten Ateş   +2 more
exaly   +4 more sources

The possibility of hydrocarbon systems formation by thermometamorphical genesis and the role of hydrothermal super critical fluids [PDF]

open access: yesНефтегазовая геология: Теория и практика, 2021
Using the example of supercritical fluids of carbon dioxide and water acssociation from the standpoint of supercritical fluid extraction of organic substances from sedimentary rocks and supercritical cracking of hydrocarbons, the possibility of formation
Abramov V.Yu., Pyataev A.A.
doaj   +1 more source

A Study on Generation and Feasibility of Supercritical Multi-Thermal Fluid

open access: yesEnergies, 2022
Supercritical multi-thermal fluid is an emerging and efficient heat carrier for thermal recovery of heavy oil, but the generation of supercritical multi-thermal fluid and its feasibility in thermal recovery are rarely discussed. In this paper, generation
Xiaoxu Tang   +4 more
doaj   +1 more source

Influence of Supercritical CO2 on the Formation Sensitivity of Tight Sandstone

open access: yesFrontiers in Energy Research, 2022
It is challenging to get water-based fracture fluid to flow back into low-pressure gas reservoirs. In order to solve the problem, supercritical CO2 is a novel type of non-aqueous fracturing technique with a wide range of applications prospect in low ...
Huan Peng   +12 more
doaj   +1 more source

Numerical Analysis of The Temperature Characteristics of a Coal—Supercritical Water-Fluidized Bed Reactor for Hydrogen Production

open access: yesMachines, 2023
Supercritical water gasification (SCWG) of coal is a promising clean coal technology, which discards the traditional coal combustion and oxidation reaction to release carbon dioxide and other pollutants and replaces coal with a gasification reduction ...
Shiqi Wang   +5 more
doaj   +1 more source

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