scholarly journals Influence of NaNA3and CuSO4catalytic additives on coal oxidation process kinetic dependencies

2016 ◽  
Vol 91 ◽  
pp. 01007 ◽  
Author(s):  
Kirill B. Larionov ◽  
Il’ya V. Mishakov ◽  
Alexandr A. Gromov ◽  
Andrey V. Zenkov
Keyword(s):  
Oxidation Process ◽  
Coal Oxidation ◽  
Process Kinetic

GETTING HUMATE IN A COAL OXIDATION PROCESS

2020 ◽  
Vol 3 (441) ◽  
pp. 22-29
Author(s):  
P.N. Naguman ◽  
◽  
A.A. Zhorabek ◽  
A.T. Takibayeva ◽  
I.V. Kulakov ◽  
...  
Keyword(s):  
Oxidation Process ◽  
Coal Oxidation

scholarly journals Influence of Cu(СH3COO)2 promoting additive on bituminous coal oxidation process

2018 ◽  
Vol 194 ◽  
pp. 01034
Author(s):  
Darya Bolgova ◽  
Kirill Larionov ◽  
Andrey Zenkov ◽  
Stanislav Yankovsky
Keyword(s):  
Bituminous Coal ◽  
Catalytic Effect ◽  
Initial Temperature ◽  
Oxidation Process ◽  
Copper Acetate ◽  
Maximum Temperature ◽  
Incipient Wetness Impregnation ◽  
Impregnation Method ◽  
Coal Oxidation ◽  
Active Oxidation

The process of coal oxidation with applied Cu(СH3COO)2 additive was studied by the capillary incipient wetness impregnation method with 5% mass concentration. The experiment was conducted by thermogravimetric analysis at a heating rate of 2.5°C/min to a maximum temperature of 600°C in atmospheric air. It was established that application of the initiation additive leads to a significant reduction in the initial temperature of sublimation and active oxidation of volatile compounds (ΔTi = 78°C) and the oxidation end temperature (ΔTf = 64°C). It was established that in the presence of copper acetate the nature of coal oxidation reaction significantly changes (DTG data). The parameters of the coals oxidation process in the presence of copper acetate were determined, and an assumption was made about the presence of a composite catalytic effect.

Magnetic Properties Study of Coal Oxidation Process

2003 ◽  
Vol 437-438 ◽  
pp. 495-498
Author(s):  
B. Kurniawan, Supiyanto ◽  
Sugih Sugiharto ◽  
J. Jamaludin ◽  
L. Hermanto ◽  
S. Soejati ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Oxidation Process ◽  
Coal Oxidation

Emerging investigators series: ultraviolet and free chlorine aqueous-phase advanced oxidation process: kinetic simulations and experimental validation

2018 ◽  
Vol 4 (9) ◽  
pp. 1231-1238 ◽  
Author(s):  
Divya Kamath ◽  
Daisuke Minakata
Keyword(s):  
Kinetic Model ◽  
Aqueous Phase ◽  
Experimental Validation ◽  
Advanced Oxidation Process ◽  
Oxidation Process ◽  
Advanced Oxidation ◽  
Free Chlorine ◽  
Elementary Reaction ◽  
Process Kinetic

An elementary reaction based kinetic model was developed for the fate of acetone degradation in UV/free chlorine advanced oxidation process.

Oxidation kinetics of Jurassic coal in Northwest China at low temperature by TG and FTIR analysis

2020 ◽  
Author(s):  
Kai Wang ◽  
Haohao Fan ◽  
Yunzhong He ◽  
Jun Deng ◽  
Yanni Zhang
Keyword(s):  
Low Temperature ◽  
Oxidation Kinetics ◽  
Oxidation Process ◽  
Model Fitting ◽  
Mass Gain ◽  
Northwest China ◽  
Coal Oxidation ◽  
Heating Rates ◽  
Air Atmosphere ◽  
Jurassic Coal

<p>The spontaneous combustion risk of Jurassic coal in Northwest China is special and different from that of permo-carboniferous coal. TG-FTIR experiments of a typical Jurassic coal sample in north Shaanxi was carried out to identify the grading, gas graduating and oxidation kinetics characteristic, under four heating rates of 5, 10, 15, and 20 ℃·min<sup>–1</sup> in an air atmosphere. The coal oxidation process of Jurassic coal at low temperature could be divided into two stages, mass loss stage and mass gain stage. The changing rules of apparent activation energy in the coal oxidation process at low temperature were determined by FWO and Kissinger methods. The model-fitting mathematical approach was used to identify the reaction kinetics mechanism functions at two oxidation stages of Jurassic coal in northwest China.</p>

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