Thermodynamics Analysis of Refinery Sludge Gasification in Adiabatic Updraft Gasifier

Table 1

The coefficients 𝑎--𝑑 of constant pressure, specific enthalpy and entropy at 𝑇₀, and standard chemical exergy of gases.

Gas	𝑎	𝑏×10^−2	𝑐×10^−5	𝑑×10^−9	Range	ℎ0 (kJ kmol^−1)	𝑆0 (kJ kmol^−1 K^−1)	𝜀0,𝑖 (kJ kmol^−1)
N2	28.9	−0.1571	0.8081	−2.873	273–1800	8669	191.502	720
O2	25.48	1.520	−0.7155	1.312	273–1800	8682	205.033	3970
H2	29.11	−0.1916	0.4003	−0.8704	273–1800	8468	130.574	236100
CO	28.16	0.1675	0.5327	−2.222	273–1800	8669	197.543	275100
CO2	22.26	5.981	−3.501	7.469	273–1800	9364	213.685	19870
CH4	19.89	5.024	1.269	−11.01	273–1500	—	—	831650