Adsorption for efficient low carbon hydrogen production: part 1—adsorption equilibrium and breakthrough studies for H2/CO2/CH4 on zeolite 13X

Abstract Reforming of fossil fuels coupled with carbon capture and storage has the potential to produce low-carbon H 2 at large scale low cost. Adsorption is a potentially promising technology for two key separation tasks in this process: purification CO capture. In work, we present equilibrium adsorption data CH 4 on zeolite 13X, addition already established isotherms. Further, carry out binary (CO –CH ) ternary (H –CO breakthrough experiments various pressures temperatures estimate transport parameters, assess predictive capacity our 1D column model, compare different multi-component models. adsorbs strongly less, very little. Thus, breaks through first, second (first experiments) last. Linear driving force (LDF) mass transfer coefficients are estimated based single experiment found be fast , slower slowest . The LDF parameters can used manner varying pressures, temperatures, flows, and, though lower accuracy, even compositions. Heat inside described well literature correlation, thus yielding an excellent agreement between simulated measured temperatures. Ideal real adsorbed solution theories (IAST RAST, respectively) both model observed composition profiles well, whereas extended isotherms inferior predicting competitive behavior adsorption. This study provides groundwork necessary full cyclic their simulation.