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http://yadda.icm.edu.pl:80/baztech/element/bwmeta1.element.baztech-d08d1d9e-a229-4ab2-bb31-b2a92260f014

Czasopismo

Journal of Power of Technologies

Tytuł artykułu

CO2 gasification reactivity and kinetics studies of raw coal, super clean coal and residual coals obtained after organo-refining (solvent extraction)

Autorzy Sharma, D. K.  Giri, C. C. 
Treść / Zawartość http://www.papers.itc.pw.edu.pl
Warianty tytułu
Języki publikacji EN
Abstrakty
EN Gasification of coal is important for the generation of H2. This is also good for Integrated Gasification Combined Cycle (IGCC) power generation which can be easily and relatively cheaply combined with CO2 concentration, storage and utilization systems. Solvent extraction of coal in organic solvents results in the production of super clean coal, mostly having less than 1% ash. The present paper reports the effect of solvent extraction (organo-refining) of Samla coal by using an industrial solvent, such as N-methyl-2-pyrrolidone (NMP), a coal derived solvent, such as, anthracene oil (AO) and a petroleum derived solvent, i.e. cetene (CE), on the CO2 gasification of coal. Different solvents had different effects on the CO2 gasification of super clean coal (SCC) or of residual coal (RC) obtained after the organo-refining of coals in different solvents. The CO2 gasification reactivity of raw coal as well as of solvent treated coals was found to increase with increase in the temperature of the gasification from 900 to 1100C. The treatment of coal with solvents has been found to affect the CO2 gasification reactivity. Super clean coals obtained from the organo-refining in the cetene and NMP showed good CO2 gasification reactivity. Residual coals obtained from the organo-refining in NMP and CE also showed good CO2 gasification reactivity. Kinetics studies have revealed that the activation energies of CO2 gasification reactions are reduced as a result of organo-refining of coal in different solvents. While organo-refining of coals in NMP and if possible in CE as well may help in obviating some of the major engineering problems in IGCC power generation, this integration may not be economically attractive at present. Future IGCC power generation may involve the use of CO2 and O2 as the gasifying medium.
Słowa kluczowe
PL reaktywność   zgazowanie   dwutlenek węgla   NMP   olej antracenowy   keteny   kinetyka  
EN CO2 gasification reactivity   organo-refining   NMP   anthracene oil   cetene   mineral matter   kinetics   IGCC power generation  
Wydawca Institute of Heat Engineering, Warsaw University of Technology
Czasopismo Journal of Power of Technologies
Rocznik 2016
Tom Vol. 96, nr 3
Strony 157--169
Opis fizyczny Bibliogr. 57 poz., tab., wykr.
Twórcy
autor Sharma, D. K.
autor Giri, C. C.
  • Centre for Energy Studies, Indian Institute of Technology, Delhi, New Delhi 110016, India
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Uwagi
PL Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.
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