Acrodermatitis Enteropathica in Breast-Fed Infant

Matsuura, Shinro; Yasuoka, Chikai; Yamashita, Fumio

doi:10.1111/j.1442-200x.1984.tb02192.x

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“…Many studies have investigated char gasification reaction rate towards CO 2 . The effect of temperature, partial and absolute pressure, and particle size on the reaction kinetics has been widely studied . Main kinetic parameters such as an activation energy (E a ) and pre‐exponential factor (A 0 ) are often determined by means of kinetic models.…”

Section: Introductionmentioning

confidence: 99%

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Brown coal char CO₂‐gasification kinetics with respect to the char structure part II: Kinetics and correlations

et al. 2018

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Coal's physical structure is known to affect high‐temperature coal conversion processes such as gasification or combustion. This paper is Part II of the study of brown coal char structural changes during gasification. Firstly, German Lusatian brown coal was gasified in a laboratory‐scale fluidized bed reactor in CO2 within a temperature range of 800–950 °C at atmospheric pressure. Then, physical structure properties were extensively evaluated by means of various techniques. Char specific surface area and its changes during gasification reaction were evaluated using N2 and CO2 physical adsorption techniques. Adsorption isotherms were also interpreted employing unconventional methods in order to obtain the specific surface areas of pores of different sizes. Gasification kinetics were evaluated employing three widely applied kinetic models: the random pore model (RPM), the volume reaction model (VM), and the shrinking core model (SCM). Finally, the instantaneous gasification reaction rate was correlated with the char structural properties at the corresponding conversion degrees. The closest linear correlation appeared between the gasification reaction rate and the specific surface area of mesopores (as determined by N2 adsorption). Furthermore, correlations of the other structural properties with char conversion are provided. Observed structural changes were compared with the assumptions of the kinetic models.

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Section: Introductionmentioning

confidence: 99%

“…Different lab‐scale techniques were used to investigate char gasification reactivity such as thermogravimetric analysis (TGA), fixed bed, fluidized bed, etc. Since a fluidized bed reactor was employed in this study, it will be discussed in more detail.…”

Section: Introductionmentioning

confidence: 99%

Brown coal char CO₂‐gasification kinetics with respect to the char structure part II: Kinetics and correlations

et al. 2018

View full text Add to dashboard Cite

show abstract

Acrodermatitis Enteropathica in Breast-Fed Infant

Cited by 1 publication

References 5 publications

Brown coal char CO₂‐gasification kinetics with respect to the char structure part II: Kinetics and correlations

Brown coal char CO₂‐gasification kinetics with respect to the char structure part II: Kinetics and correlations

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Acrodermatitis Enteropathica in Breast-Fed Infant

Cited by 1 publication

References 5 publications

Brown coal char CO2‐gasification kinetics with respect to the char structure part II: Kinetics and correlations

Brown coal char CO2‐gasification kinetics with respect to the char structure part II: Kinetics and correlations

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Brown coal char CO₂‐gasification kinetics with respect to the char structure part II: Kinetics and correlations

Brown coal char CO₂‐gasification kinetics with respect to the char structure part II: Kinetics and correlations