Process optimization of CO<sub>2</sub>membrane and cryogenic hybrid separation

HU Yongxin; LIAO Zuwei; WANG Jingdai; DONG Hongguang; YANG Yongrong

doi:10.11949/j.issn.0438-1157.20171127

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Process optimization of CO₂membrane and cryogenic hybrid separation

更新时间：2025-12-10

- Process optimization of CO₂membrane and cryogenic hybrid separation
- CIESC Journal Issue 3, Pages: 943-952(2018)
- 作者机构：
  
  1. 浙江省化工高效制造技术重点实验室, 浙江大学化学工程与生物工程学院,浙江,杭州,310027
  2. 浙江大学化学工程与生物工程学院, 化学工程联合国家重点实验室,浙江,杭州,310027
  3. 大连理工大学化工学院,辽宁,大连,116024
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20171127
  CLC： Q021.8
- Online First：05 March 2018，
  
  Published：05 March 2018
- 稿件说明：
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HU Yongxin, LIAO Zuwei, WANG Jingdai, et al. Process optimization of CO₂membrane and cryogenic hybrid separation[J]. CIESC Journal, 2018, (3): 943-952. DOI: 10.11949/j.issn.0438-1157.20171127.
DOI：

HU Yongxin, LIAO Zuwei, WANG Jingdai, et al. Process optimization of CO₂membrane and cryogenic hybrid separation[J]. CIESC Journal, 2018, (3): 943-952. DOI: 10.11949/j.issn.0438-1157.20171127. DOI：

摘要

二氧化碳的分离与纯化是当前的研究热点，而随着环保要求的提高，传统单一的分离手段难以满足行业要求，多种分离方法的集成逐渐得到研究者的重视。以整体煤气化联合循环发电系统（IGCC）流程中二氧化碳的分离与回收环节为例，在流程模拟的基础上，拟合出该体系状态方程的多项式形式。进一步，构建耦合膜-闪蒸超结构数学模型，在设定最低产物纯度和回收率的情况下，以最小化年度费用为目标，筛选出最优的分离序列。

Abstract

Separation and purification of carbon dioxide is current research hotspot. With increasing needs for environmental protection

traditional single separation techniques are difficult to meet these discharge specifications. Integration of multiple separation methods has gradually gained research attention. Separation and recovery of carbon dioxide in the integrated gasification combined cycle (IGCC) process was studied by process simulation and polynomial state equations were obtained for such system. Furthermore

a mathematical superstructure model of hybrid membrane-cryogenic flash distillation was established. Optimal separation sequence was found by targeting minimal annual cost at pre-set lower specification of product purity and recovery. The optimized process show excellent separating performance of membrane after flash configuration and multistage membrane structure. Compared to control process

optimized process not only guarantees product recovery and purity but also decreases total annual cost by almost 27%.

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Process optimization of CO2membrane and cryogenic hybrid separation

DOI：10.11949/j.issn.0438-1157.20171127

摘要

Abstract

关键词

Keywords

references

Process optimization of CO₂membrane and cryogenic hybrid separation