Density, viscosity, physical CO2 diffusivity, and CO2 absorption capacity of novel blended N-methyl-4-piperidinol and piperazine solvent

In the present work, novel blended piperazine (PZ) and N-methyl-4-piperidinol (MPDL) solvent was investigated in terms of density, viscosity, physical diffusivity of CO2, and CO2 absorption capacity. Density and viscosity were measured over PZ/MPDL concentration ratios of 5/25, 10/20, and 15/15 %wt....

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Autores principales:	Rattanaporn Apaiyakul, Pipat Na Ranong, Thanthip Kiattinirachara, Pattaraporn Posoknistakul, Pet Pakchotanon, Ratana Jiraratananon, Paitoon Tontiwachwuthikul, Teerawat Sema
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Carbon capture CO2 Amine Absorption Novel solvent Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/2f03b9d520b34123a6798cc866699194
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spelling	oai:doaj.org-article:2f03b9d520b34123a6798cc8666991942021-11-18T04:49:24ZDensity, viscosity, physical CO2 diffusivity, and CO2 absorption capacity of novel blended N-methyl-4-piperidinol and piperazine solvent2352-484710.1016/j.egyr.2021.07.056https://doaj.org/article/2f03b9d520b34123a6798cc8666991942021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2352484721005217https://doaj.org/toc/2352-4847In the present work, novel blended piperazine (PZ) and N-methyl-4-piperidinol (MPDL) solvent was investigated in terms of density, viscosity, physical diffusivity of CO2, and CO2 absorption capacity. Density and viscosity were measured over PZ/MPDL concentration ratios of 5/25, 10/20, and 15/15 %wt. and temperatures of 313, 323, and 333 K. Physical diffusivity of CO2 was calculated based on viscosity data by the modified Stokes–Einstein equation. Lastly, CO2 absorption capacity (mol CO2/mol amine) was experimentally determined in a temperature-controlled absorption reactor at 313 K and 10% v/v CO2. The results showed that density and viscosity of novel blended PZ-MPDL solvent increased as PZ concentration ratio increased and decreased as temperature increased. On another hand, physical diffusivity of CO2 decreased as PZ concentration ratio increased and increased as temperature increased. Based on the physical properties data (i.e., density, viscosity, and physical diffusivity of CO2), it can be summarized that the studied physical properties of PZ-MPDL were in the same ranges with those of conventional amine solvents. Additionally, it was found that CO2 absorption capacity of PZ-MPDL can be improved by increasing PZ concentration ratio. As a result, 15/15 %wt. PZ-MPDL showed the highest CO2 absorption capacity (0.741 mol CO2/mol amine) among the three studied concentrations. It also possessed 49% higher CO2 absorption capacity than the conventional benchmarking 30 %wt. monoethanolamine (MEA).Rattanaporn ApaiyakulPipat Na RanongThanthip KiattiniracharaPattaraporn PosoknistakulPet PakchotanonRatana JiraratananonPaitoon TontiwachwuthikulTeerawat SemaElsevierarticleCarbon captureCO2AmineAbsorptionNovel solventElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENEnergy Reports, Vol 7, Iss , Pp 844-853 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Carbon capture CO2 Amine Absorption Novel solvent Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Carbon capture CO2 Amine Absorption Novel solvent Electrical engineering. Electronics. Nuclear engineering TK1-9971 Rattanaporn Apaiyakul Pipat Na Ranong Thanthip Kiattinirachara Pattaraporn Posoknistakul Pet Pakchotanon Ratana Jiraratananon Paitoon Tontiwachwuthikul Teerawat Sema Density, viscosity, physical CO2 diffusivity, and CO2 absorption capacity of novel blended N-methyl-4-piperidinol and piperazine solvent
description	In the present work, novel blended piperazine (PZ) and N-methyl-4-piperidinol (MPDL) solvent was investigated in terms of density, viscosity, physical diffusivity of CO2, and CO2 absorption capacity. Density and viscosity were measured over PZ/MPDL concentration ratios of 5/25, 10/20, and 15/15 %wt. and temperatures of 313, 323, and 333 K. Physical diffusivity of CO2 was calculated based on viscosity data by the modified Stokes–Einstein equation. Lastly, CO2 absorption capacity (mol CO2/mol amine) was experimentally determined in a temperature-controlled absorption reactor at 313 K and 10% v/v CO2. The results showed that density and viscosity of novel blended PZ-MPDL solvent increased as PZ concentration ratio increased and decreased as temperature increased. On another hand, physical diffusivity of CO2 decreased as PZ concentration ratio increased and increased as temperature increased. Based on the physical properties data (i.e., density, viscosity, and physical diffusivity of CO2), it can be summarized that the studied physical properties of PZ-MPDL were in the same ranges with those of conventional amine solvents. Additionally, it was found that CO2 absorption capacity of PZ-MPDL can be improved by increasing PZ concentration ratio. As a result, 15/15 %wt. PZ-MPDL showed the highest CO2 absorption capacity (0.741 mol CO2/mol amine) among the three studied concentrations. It also possessed 49% higher CO2 absorption capacity than the conventional benchmarking 30 %wt. monoethanolamine (MEA).
format	article
author	Rattanaporn Apaiyakul Pipat Na Ranong Thanthip Kiattinirachara Pattaraporn Posoknistakul Pet Pakchotanon Ratana Jiraratananon Paitoon Tontiwachwuthikul Teerawat Sema
author_facet	Rattanaporn Apaiyakul Pipat Na Ranong Thanthip Kiattinirachara Pattaraporn Posoknistakul Pet Pakchotanon Ratana Jiraratananon Paitoon Tontiwachwuthikul Teerawat Sema
author_sort	Rattanaporn Apaiyakul
title	Density, viscosity, physical CO2 diffusivity, and CO2 absorption capacity of novel blended N-methyl-4-piperidinol and piperazine solvent
title_short	Density, viscosity, physical CO2 diffusivity, and CO2 absorption capacity of novel blended N-methyl-4-piperidinol and piperazine solvent
title_full	Density, viscosity, physical CO2 diffusivity, and CO2 absorption capacity of novel blended N-methyl-4-piperidinol and piperazine solvent
title_fullStr	Density, viscosity, physical CO2 diffusivity, and CO2 absorption capacity of novel blended N-methyl-4-piperidinol and piperazine solvent
title_full_unstemmed	Density, viscosity, physical CO2 diffusivity, and CO2 absorption capacity of novel blended N-methyl-4-piperidinol and piperazine solvent
title_sort	density, viscosity, physical co2 diffusivity, and co2 absorption capacity of novel blended n-methyl-4-piperidinol and piperazine solvent
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/2f03b9d520b34123a6798cc866699194
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Density, viscosity, physical CO2 diffusivity, and CO2 absorption capacity of novel blended N-methyl-4-piperidinol and piperazine solvent

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