Open Access

ARTICLE

Parameter Analysis of CO₂ Capture with Anti-Sublimation Process

Hua Tian¹, Ke Kang¹, Lingfeng Shi^2,*, Rui Sun¹

1 State Key Laboratory of Engines, Tianjin University, Tianjin, 300072, China
2 Department of Thermal Science and Energy Engineering, University of Science and Technology of China, Hefei, 230027, China

* Corresponding Author: Lingfeng Shi. Email:

Energy Engineering 2020, 117(5), 267-277. https://doi.org/10.32604/EE.2020.011440

Received 09 May 2020; Accepted 30 June 2020; Issue published 07 September 2020

Abstract

The anti-sublimation CO₂ capture technology has attracted the attention of researchers due to its advantages such as no pollution and high product purity. The anti-sublimation process is the core link of this technology, so the study of this process is of great significance to the low-temperature capture system. At present, there are few research works on the CO₂ anti-sublimation process. In order to study the influence of key parameters on the capture performance during CO₂ anti-sublimation, a one-dimensional steady-state of CO₂ anti-sublimation process in a double pipe heat exchanger was established based on the mixture gas of N₂ and CO₂. The effects of cooling nitrogen inlet temperature, mixture gas velocity and pressure on the CO₂ volume fraction, deposition rate distribution, capture rate and valid capture length are investigated. Optimal operation parameters are obtained, which could be used to provide guidance for parameter setting and design of anti-sublimation heat exchanger

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