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Hydrogen‐rich gas production with CO2 capture from steam gasification of pine needle using calcium oxide: Experimental and modeling study

Kumari, Priti ; Mohanty, Bikash

International journal of energy research, 2020-06, Vol.44 (8), p.6927-6938 [Periódico revisado por pares]

Chichester, UK: John Wiley & Sons, Inc

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Título:
Hydrogen‐rich gas production with CO2 capture from steam gasification of pine needle using calcium oxide: Experimental and modeling study
Autor: Kumari, Priti ; Mohanty, Bikash
Assuntos: ASPEN PLUS model ; Biomass ; Bubbling ; bubbling fluidized bed reactor ; Calcium ; Calcium oxide ; Calorific value ; CaO sorbent and catalyst ; Carbon dioxide ; Catalysts ; Cold gas ; Energy conservation ; Fluidized bed reactors ; Fluidized beds ; Free energy ; Gas production ; Gasification ; Gibbs free energy ; Heating ; Hydrogen production ; Lime ; Oil and gas production ; Pine needles ; Sorbents ; Steam ; steam gasification ; Synthesis gas ; Temperature
É parte de: International journal of energy research, 2020-06, Vol.44 (8), p.6927-6938
Descrição: Summary A research‐scale bubbling fluidized bed reactor (BFBR) has been assembled and used to study the steam gasification of pine needles with calcium oxide (CaO) as sorbent and catalyst. The output parameters such as syngas composition, higher heating value, lower heating value, and cold gas efficiency, have been analyzed at the operating conditions of a temperature of 650°C to 850°C, steam/biomass (S/B) ratio of 0.4 to 1.6, and CaO/biomass ratio of 0.3 to 1.5. Furthermore, an ASPEN PLUS model of BFBR has been developed using Gibbs free energy minimization technique and model values have been compared with experimental values. From the experimental results, it is analyzed that the concentration of H2 is increased from 37.02 vol% to 68.36 vol% with an increase in temperature from 650°C to 750°C at the S/B ratio of 1 and CaO/biomass ratio of 0.9 and after that, it decreased slightly. Furthermore, the concentration of CO2 in syngas captured from 5.49 vol% to 0 vol%, when the CaO/biomass ratio is varied from 0.3 to 1.5. From the result analysis, it is concluded that higher temperature and higher CaO/biomass ratio has a significant impact on H2 production while excess S/B ratio has a negative impact.
Editor: Chichester, UK: John Wiley & Sons, Inc
Idioma: Inglês

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Hydrogen‐rich gas production with CO2 capture from steam gasification of pine needle using calcium oxide: Experimental and modeling study

Kumari, Priti ; Mohanty, Bikash

Chichester, UK: John Wiley & Sons, Inc

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