Characteristics of continuous CO2 hydrate formation process using a NetMIX reactor

被引：3

作者：

Garcia, Nayla Lozada ^{[1
]}

Damaceno, Daniela S. ^{[1
,2
]}

Fardelone, Lucidio C. ^{[1
]}

Silvares, Adriano Ferreira de Mattos ^{[3
]}

Del Pintorc, Joao Pedro Ferreira ^{[3
]}

Mendes, Afonso Henrique Teixeira ^{[3
]}

Costa, Marcelo F. ^{[4
]}

Lopes, Jose Carlos B. ^{[4
]}

Park, Song Won ^{[3
]}

Nunhez, Jose Roberto ^{[1
]}

机构：

[1] Univ Estadual Campinas, Sch Chem Engn, Av Albert Einstein 500, BR-13083852 Campinas, Brazil

[2] SINTEF Energy Res, POB 4761 Torgarden, NO-7465 Trondheim, Norway

[3] Univ Sao Paulo, Polytech Sch, Av Luciano Gualberto 380, BR-05508010 Sao Paulo, Brazil

[4] Univ Porto, CoLAB NET4CO2 Parque Ciencia & Tecnol, Rua Julio Matos 828-882, P-4200355 Porto, Portugal

来源：

CHEMICAL ENGINEERING SCIENCE | 2023年 / 280卷

关键词：

Gas hydrate; CO; 2; hydrate; Continuous hydrate formation; capture; storage; GAS HYDRATE; CARBON-DIOXIDE; FLUE-GAS; GRAPHITE NANOPARTICLES; HEAT-TRANSFER; METHANE; WATER; STORAGE; TBAB; NUCLEATION;

D O I：

10.1016/j.ces.2023.119023

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A new continuous process to obtain CO2 hydrates, which is scalable, without losing its heat removing capacity is presented. Hydrate formation is highly exothermic, and jacketed stirred tank reactors configurations have limitations in heat removal. Experiments to obtain CO2 hydrates (P = 27 bar, T = 2.7, 3.8 and 4.8 degrees C, CO2/water mass flow ratios of 0.02, 0.10 and 0.18) were perfomed. Hydrate formation in the NetMIX is very fast (seconds). The outstanding performance is due to the high gas-liquid contact and the capability in removing the heat released at the rate it is formed. The 0.18 CO2/water mass flow ratio formed hydrates at a higher concentration. Results suggest the gas uptake in the hydrate formed in this process is higher than those produced in batch systems. The process presented in this work is a promising alternative for the sequestration of CO2 due to the advantages of this device both in heat removal and enhanced mass transfer.

引用

页数：16

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