Gasification experimental

The shrinking core and the volume-reaction models have been examined to interpret the conversion-time data of combustion and steam gasification of the gingko nut shell char [4]. The shrinking core model provides the better agreement with the experimental data. With the shrinking core model, the relationship between [1-(1-X) ] and the reaction time t at 350°C -... 

C for the steam gasification is shown in Fig. 3 where the shrinking core model predicts the experimental data very well. 

Fig. 6 ComparisoB of the model Fig. 7 Arrhenius plot of the gasification rate predictions with the experimental data. for the gingko nut shell char. (HjOrO.datm)...

Although newer technologies are always under development, the basic kraft chemical recovery process has not been fundamentally changed since the issue of its patent in 1884. The stepwise progression of chemical reactions has been refined for example, black liquor gasification processes are now in use in an experimental phase. The precise details of the chemical processes at work in the chemical recovery process can be found in Smook s Handbook.12 The kraft chemical recovery process consists of the following general steps ... 

Two-constant equation of state phase behavior calculations for aqueous mixtures often require the use of temperature dependent binary interaction parameters. The methods used for evaluating these parameters for some of the typical aqueous binary pairs found in coal gasification and related process streams are described. Experimental and predicted phase compositions based on these methods are illustrated for aqueous pairs containing CO2. H2S, NH3, and other gases. 

Fig. 6.17 Schematic diagram of experimental apparatus of supercritical water gasification...

Salmenoja, K. 1993. Black-liquor gasification theoretical and experimental studies. Biores Tech-nol 46 167-171. 

Uses Research chemical. Derived from industrial and experimental coal gasification operations where the maximum concentrations detected in gas, liquid, and coal tar streams were 28, 4.1, and 18 mg/m , respectively (Cleland, 1981). 

Carbon-Carbon Dioxide Reaction. There is general agreement 6, 37-43) that experimental data on the rate of gasification of carbon by carbon dioxide fit an equation of the form... 

C. Fredriksson, Exploratory experimental and theoretical studies of cyclone gasification of wood powder. Doctoral Thesis, Lulea University of Technology, Sweden, 2003. 

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