Supercritical water oxidation ≈ Supercritical water oxidation
View article: Supercritical Water Gasification of Biomass: A Literature and Technology Overview
Supercritical Water Gasification of Biomass: A Literature and Technology Overview Open
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 mos…
View article
Applications of subcritical and supercritical water conditions for extraction, hydrolysis, gasification, and carbonization of biomass: a critical review Open
This review summarizes the recent essential aspects of subcritical and supercritical water technology applied tothe extraction, hydrolysis, carbonization, and gasification processes. These are clean and fast technologies which do not need …
View article
Supercritical Water Oxidation as an Innovative Technology for PFAS Destruction Open
Water above 374 °C and 22.1 MPa, becomes supercritical, a special state where organic solubility increases and oxidation processes are accelerated. Supercritical water oxidation (SCWO) has been previously shown to destroy hazardous substan…
View article
Supercritical water gasification: practical design strategies and operational challenges for lab-scale, continuous flow reactors Open
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. The ration…
View article
Review on Mechanisms and Kinetics for Supercritical Water Oxidation Processes Open
Supercritical water oxidation (SCWO) is a promising wastewater treatment technology owing to its various advantages such as rapid reactions and non-polluting products. However, problems like corrosion and salt decomposition set obstacles t…
View article
Removal of Azo Dyes from Wastewater through Heterogeneous Photocatalysis and Supercritical Water Oxidation Open
Azo dyes are synthetic organic dyes used in the textile, leather, and paper industries. They pose environmental problems due to their toxic and persistent nature. The toxicity is due to the presence of azo groups in the dye molecule that c…
View article
An integrated biorefinery concept for olive mill waste management: supercritical CO<sub>2</sub>extraction and energy recovery Open
High-value extracts for nutraceutics, biofuels and heat are obtainable from olive mill waste in a new bio-refinery concept that integrates supercritical CO2extraction, pyrolysis and oxidation.
View article
Continuous Flow Synthesis of Nanoparticles Using Supercritical Water: Process Design, Surface Control, and Nanohybrid Materials Open
A continuous flow reaction process in which a metal salt solution is rapidly mixed with high-temperature water was employed to achieve rapid heating up to supercritical conditions. A quarter of a century has passed since the supercritical …
View article
Gasification Pathways and Reaction Mechanisms of Primary Alcohols in Supercritical Water Open
Supercritical\nwater gasification is a promising waste-to-energy\ntechnology with the ability to convert aqueous and/or heterogeneous\norganic feedstocks to high-value gaseous products. Reaction behavior\nof complex molecules in supercriti…
View article
Application of Supercritical Water Oxidation to Effectively Destroy Per- and Polyfluoroalkyl Substances in Aqueous Matrices Open
Supercritical water oxidation (SCWO) is a destruction technology to treat per- and polyfluoroalkyl substance (PFAS)-impacted groundwater, investigation-derived waste, and other aqueous matrices such as landfill leachate and aqueous film-fo…
View article
Supercritical water oxidation of a model fecal sludge without the use of a co-fuel Open
A continuous supercritical water oxidation reactor was designed and constructed to investigate the conversion of a feces simulant without the use of a co-fuel. The maximum reactor temperature and waste conversion was determined as a functi…
View article
Supercritical Water Oxidation for Environmentally Friendly Treatment of Organic Wastes Open
Supercritical water oxidation is a promising, environment-friendly technology to efficiently deal with a wide variety of organic wastes such as wastewaters, industrial and municipal sludge, etc. As for the two key problems, i.e., corrosion…
View article
Development of a Detailed Kinetic Model for Hydrogen Oxidation in Supercritical H<sub>2</sub>O/CO<sub>2</sub> Mixtures Open
The application of hydrogen as a fuel or auxiliary fuel has extended beyond gas-phase conditions. This paper reports the development of a detailed chemical kinetic model for hydrogen oxidation in supercritical H2O/CO2 mixtures based on an …
View article
Controlled polymerisation and purification of branched poly(lactic acid) surfactants in supercritical carbon dioxide Open
Supercritical carbon dioxide is exploited to create degradable surfactants from sustainable resources.
View article
Basic Characteristics and Application Progress of Supercritical Water Open
Compared with water at normal temperature and normal pressure, supercritical water had large differences and also had some unique characteristics. In this paper, some basic physical properties of supercritical water, included density, visc…
View article
Energy Consumption and Economic Analyses of a Supercritical Water Oxidation System with Oxygen Recovery Open
Oxygen consumption is one of the factors that contributes to the high treatment cost of a supercritical water oxidation (SCWO) system. In this work, we proposed an oxygen recovery (OR) process for an SCWO system based on the solubility dif…
View article
Study of Conversion of Bio-oil Model Compounds in Supercritical Water Using Density Functional Theory Open
It is well known that supercritical water is a favourable medium for biomass conversion followed by its hydrodeoxygenation (HDO). Moreover, the actual kinetics and mechanism of reaction occurring in the supercritical water are not yet comp…
View article
Energy yield from wastewater by supercritical water oxidation process: Experimental validation and simulation from the viewpoint of energy system Open
The degradation of high concentration organic wastewater and the recovery of energy using supercritical water oxidation (SCWO) technology have the potential to become viable in the future. High concentration organic wastewater contains a s…
View article
Oxidation Behavior of an Austenitic Steel (Fe, Cr and Ni), the 310 H, in a Deaerated Supercritical Water Static System Open
The aim of this work was to study the corrosion behavior of a Fe-Cr-Ni alloy (310 H stainless steel) in water at a supercritical temperature of 550 °C and a pressure of 250 atm for up to 2160 h. At supercritical temperature, water is a hig…
View article
Process Effluent Recycling in the Supercritical Water Gasification of Dry Biomass Open
The influence of process water recycling during the Supercritical Water Gasification (SCWG) of dry biomasses was investigated. Dry biomass has to be diluted with water to a dry matter content of approximately 10 wt.% to gasify it in the pr…
View article
Effect of Oxidation Coefficient on Products of Sewage Sludge Treatment in Supercritical Water Open
Supercritical water treatment is a promising technology for sewage sludge disposal. The influences of oxidation coefficient (OC) as well as temperature on products of sewage sludge treatment in supercritical water were studied systematical…
View article
Utilizing supercritical water gasification for hydrogen production combined with a waste heat recovery system for domestic households Open
Hydrogen from food waste can provide sustainable energy. Food waste can be gasified into clean, efficient hydrogen gas using cutting-edge techniques. This study is about the gasification of food waste under different settings to determine …
View article
Applications of Supercritical Water in Waste Treatment and Valorization: A Review Open
The present review deals with water applications in sub and supercritical conditions with a focus on supercritical water oxidation process (SCWO) as an example of high temperature and pressure technologies. It starts by presenting the adva…
View article
Supercritical water oxidation of recalcitrant acetaminophen with methanol, ethanol, n-propanol, isopropanol and glycerol as co-fuels Open
Pharmaceuticals are recalcitrant molecules that demand advanced treatment techniques for their complete elimination in wastewater streams. Supercritical water oxidation has been proved as an effective technology to remove the recalcitrant …
View article
ReaxFF-MD simulation investigation of the degradation pathway of phenol for hydrogen production by supercritical water gasification Open
Wastewater from the thermochemical conversion of coal and biomass contains a significant amount of phenolic structures compounds. The degradation of these phenolic compounds to hydrogen-rich gasses can prevent environmental pollution and s…
View article
Supercritical water oxidation of dyeing sludge Open
Supercritical water oxidation (SCWO) of dyeing sludge has been conducted in a batch reactor, and experiments were investigated at reaction temperature of 520∼600 °C, oxidation coefficient of 1∼1.2, residence time of 120∼600 s and a fixed p…
View article
Heterogeneous Catalytic and Non-Catalytic Supercritical Water Oxidation of Organic Pollutants in Industrial Wastewaters Effect of Operational Parameters Open
This work reports supercritical water oxidation (SCWO) of organic pollutants in industrial wastewater in the absence and presence of catalysts. To increase the efficiency of the oxidation process, the SCWO of organic compounds in industria…
View article
Liquid “Syngas” Based on Supercritical Water and Graphite Oxide/TiO2 Composite as Catalyst for CO2 to Organic Conversion Open
The conversion of carbon monoxide into organic substances is one of the top topics of modern science due to the development of industry and the climate changes caused by it on the one hand, and the possibility of obtaining an economic effe…
View article
Supercritical water oxidation of octol – containing wastewater Open
This study investigated optimum operating conditions of supercritical water oxidation (SCWO) for octol and compared the degradation of its components TNT (2,4,6-trinitrotoluene) and HMX (octahydro-1,3,5,7- tetranitro-1,3,5,7-tetrazocine, o…
View article
Oxidation of isobutane in liquid phase and under supercritical conditions Open
This thesis was scanned from the print manuscript for digital preservation and is copyright the author. Researchers can access this thesis by asking their local university, institution or public library to make a request on their behalf. M…