Multicriterial Analysis of Simulated Process of Post-Combustion Capture of Pure H2S and Mixtures of H2S and CO2 Using Single and Blended Aqueous Alkanolamines | Zendy

Allan N. Soriano | Zendy; Adonis P. Adornado | Zendy; Angelica A. Pajinag | Zendy; Diana Joy F. Acosta | Zendy; Niel M. Averion | Zendy; Gilfred M. Leron | Zendy; Vergel C. Bungay | Zendy

Open Access

Multicriterial Analysis of Simulated Process of Post-Combustion Capture of Pure H2S and Mixtures of H2S and CO2 Using Single and Blended Aqueous Alkanolamines

Author(s) -

Allan N. Soriano,

Adonis P. Adornado,

Angelica A. Pajinag,

Diana Joy F. Acosta,

Niel M. Averion,

Gilfred M. Leron,

Vergel C. Bungay

Publication year - 2015

Publication title -

asean journal of chemical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.153

H-Index - 5

eISSN - 2655-5409

pISSN - 1655-4418

DOI - 10.22146/ajche.49695

Subject(s) - diethanolamine , piperazine , alkanolamine , hydrogen sulfide , triethanolamine , chemistry , solvent , amine gas treating , aqueous solution , acid gas , carbon dioxide , sour gas , chemical engineering , nuclear chemistry , inorganic chemistry , organic chemistry , analytical chemistry (journal) , natural gas , sulfur , engineering

The paper evaluates the performance of the nine selected alkanolamines, namely, monoethanolamine (MEA), diethanolamine (DEA), monomethylethanolamine (MMEA), aminoethylethanolamine (AEEA), diisopropanolamine (DIPA), triethanolamine (TEA), dimethylethanolamine (DMEA), N-methyldiethanolamine (MDEA), and piperazine (PZ) for post-combustion capture of pure hydrogen sulfide (H2S) and mixtures of hydrogen sulfide and carbon dioxide (CO2) at different solvent mass flows: 500, 750, and 1000 kg/h using Aspen Plus® Version 7.2. The objective of the paper is to select the best chemical absorbent for each different criterion: percent H2S removal, percent H2S solvent carrying capacity, percent H2S retained in the lean solvent, percent CO2 and H2S removal, percent CO2 and H2S solvent carrying capacity, percent CO2 and H2S retained in the lean solvent. Based from the obtained results, piperazine is an absorbent that has a good potential for use as a single amine or in mixtures with other amines for capture of pure H2S and mixtures of H2S and CO2.

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