WEBJan 15, 2017 · This paper provides insight on the effects of flame temperature and alkali metals radiation characteristics on reaction process of different coal ranks. ... ethylene glycol, coal liquefaction, hydrogen production and other fields. ... [8–11]. Coalwater slurry gasifier (CWSG) in chemical industry is a type of coalwater slurry fed entrained ...
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WEBSimplified block diagram of gasifiion process for syngas production. Coal slurry is first prepared by crushing the coal to a size of mm particle diameter along with water addition. The coal slurry is the pumped to the gasifier where the reactions take place in the controlled amount of oxygen.
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WEBOct 10, 2023 · This study investigated the process and mechanism of synergistically assisted hydrogen production from tailings and coal slurry. We have identified the optimal tailings as leadzinc tailings through experimentation with different tailings mixed with pulverized, we have analyzed the electrochemical properties of Fe 2+ .
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WEBMay 5, 2023 · Coal water slurry (CWS) is a coalbased liquid fuel with the characteristics of high efficiency and low pollution. ... With the increasing production of sludge, ... The effect of sludge from coal to oil process on the stability of coal/sludge water slurries. Energy Sources, Part A: Recovery, Util., Environ. Eff., 40 (2018), pp., 10. ...
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WEBJun 10, 2018 · Based on the Wender coal model, the processes of brown coal pyrolysis and coal‐water slurry (CWS) gasifiion were studied by molecular dynamics simulations with the ReaxFF reactive force field. To examine the pyrolysis/gasifiion process and the initiation mechanism of brown coal and its CWS, some large‐scale reactive systems .
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WEBDec 1, 2017 · Opposed multiburner (OMB) coalwater slurry (CWS) gasifiion technology is a large coal gasifiion technology with selfowned intellectual property in China. ... (Group) Co., Ltd. is the first one which process 1500 tons of coal in a single furnace in one day using OMB gasifier. The company built three sets of 1500TPD OMB .
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WEBFeb 23, 2022 · Hydrogen production from the electrolysis of coal slurry is a promising approach under the condition of low voltage ( V) and medium temperature.
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WEBJan 27, 2021 · A Novel Chemical–Electrochemical Hydrogen Production from Coal Slurry by a TwoStep Process: Oxidation of Coal by Ferric Ions and Electroreduction of Hydrogen Ions N. Olukayode Weijing Yang +4 authors Sheng Sui
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WEBFeb 15, 2024 · This paper presents a comprehensive evaluation of the influence of coal particle size gradation on the properties of coal–water slurry (CWS), including coal concentration, flowability, stability, and rheological research findings indie that coarse coal particles have a dominant effect on improving the coal concentration of .
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WEBJan 1, 2023 · Treating BDO tar from coalwaterslurry technology is effective. • Na in BDO tar accelerates cogasifiion process. • Na inhibits the formation of defective and amorphous carbon structures in coal char.
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WEBMar 1, 2015 · The feasibility of using the forward osmosis (FO) process involving brown coal as draw agent to reclaim clean water from dye wastewater is evaluated in this study. It is found that brown coal not only has enough driving force for drawing water from dye wastewater but also can be reconstituted during the FO process, thus resulting in .
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WEBJul 1, 2023 · The decanter centrifuge is widely used in the dewatering process of coal water slurry. In order to improve the separation performance of the decanter centrifuge, the influence of pitches, spiral blade inclination angles and rotational speeds on the separation performance was obtained by the combination of simulation and theoretical analysis.
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WEBMass fractions of the main components (coal slime and water) varied in the range of 4550%, which is a typical ratio in the technology of coal water fuels (Bae et al. 2012; Staroń et al. 2019 ...
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WEBJun 1, 2021 · In recent years, supercritical water gasifiion of coal has received more and more attentions because SCWG of coal process is clean and hydrogen production efficiency is high [23]. ... The coalwater slurry with concentration of 16 wt% was continuously gasified and hydrogen fraction in the gaseous products reached %.
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WEBA slurry composed of glass beads in silicone oil flowing down an inclined plane Potato starch slurry. A slurry is a mixture of denser solids suspended in liquid, usually water. The most common use of slurry is as a means of transporting solids or separating minerals, the liquid being a carrier that is pumped on a device such as a centrifugal size of .
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WEBAug 1, 2018 · The stabilization of a coalwater slurry, which is a concentrated mixture of powdered coal and water, is popularly known as coalwater liquid fuel, and the maintenance of its suitable rheological ...
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WEBarticle{Hu2023TechnoeconomicFA, title={Technoeconomic feasibility and comparison of coal water slurry concentration on a coal to methanol plant with consideration of carbon capture and storage}, author={Shunxuan Hu and Yumeng Chen}, journal={Energy Sources, Part A: Recovery, Utilization, and Environmental Effects}, year={2023}, url={https ...
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WEBJan 1, 2022 · CAWE process System description H 2 production rate; Ge et al. [22] Coal water slurry electrolysis in the coal slurry of 5 g/L, H 2 SO 4 of mol/L at 1 A: 5 mL/min: Chen et al. [15] Biocharassisted water electrolysis in the biochar slurry of 20 g/L, H 2 SO 4 of 3 mol/L, and NaCl of mol/L at 1 V, 25 °C:
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WEBMay 15, 2020 · The energy efficiency of coal water slurry (CWS) gasifiion is less than that of pulverized coal gasifiion, a preheating technology using shellandtube heat exchangers (STHXs) with laddertype fold baffles is introduced to improve energy efficiency of CWS effect of structural parameters (folding angle, folding ratio and .
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WEBJan 1, 2020 · Assessment is performed using a software tool for calculating the combustion process of coalwater slurry fuels. ... industrial technology for the production of coalwater fuel, News of heat ...
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WEBPetroleum coke, commonly known as petcoke, represents a promising and costeffective alternative fuel source, produced as a byproduct of largescale heavy crude oil refining. This study first simulated the gasifiion process of petcoke slurry using a threedimensional computational fluid dynamics (CFD) approach based on the Eulerian–Lagrangian .
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WEBJan 1, 2019 · Results showed that coal–oilfield wastewater–slurry and coal water slurry both exhibited a similar gasifiion process. However, compared with coal water slurry, all the gasifiion ...
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