Design and optimization of stand-alone triple combined cycle systems using calcium looping technology

Wei Wu; Shih Chieh Chen; Po Chih Kuo; Shin An Chen

doi:10.1016/j.jclepro.2016.10.079

Design and optimization of stand-alone triple combined cycle systems using calcium looping technology

Wei Wu, Shih Chieh Chen, Po Chih Kuo, Shin An Chen

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

In our approach, the “stand-alone” process is an off-the-grid electricity system or a fuel processor without external energy supplies. A syngas producer is developed as a stand-alone SMR + CaL process using a combination of a steam methane reformer (SMR), a calcium looping (CaL) and a pre-burner to enhance CO₂ concentration of exhaust gas and produce syngas for power generation. A stand-alone triple combined cycle system (TCCS), which mainly consists of a solid oxide fuel cell (SOFC), Brayton-Rankine combined cycles, and a syngas producer, is developed as a high efficiency power generation system with CO₂ capture by adding a post-burner and using the specific water/heat exchanger networks. Based on optimal operating conditions by solving two optimization algorithms, the simulation shows that the total power efficiency of the stand-alone TCCS is up to 60.56% and its CO₂ emissions per kWh of electricity is down to 7.18 gCO₂.

Original language	English
Pages (from-to)	1049-1059
Number of pages	11
Journal	Journal of Cleaner Production
Volume	140
DOIs	https://doi.org/10.1016/j.jclepro.2016.10.079
Publication status	Published - 2017 Jan 1

All Science Journal Classification (ASJC) codes

Renewable Energy, Sustainability and the Environment
Environmental Science(all)
Strategy and Management
Industrial and Manufacturing Engineering

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title = "Design and optimization of stand-alone triple combined cycle systems using calcium looping technology",

abstract = "In our approach, the “stand-alone” process is an off-the-grid electricity system or a fuel processor without external energy supplies. A syngas producer is developed as a stand-alone SMR + CaL process using a combination of a steam methane reformer (SMR), a calcium looping (CaL) and a pre-burner to enhance CO2 concentration of exhaust gas and produce syngas for power generation. A stand-alone triple combined cycle system (TCCS), which mainly consists of a solid oxide fuel cell (SOFC), Brayton-Rankine combined cycles, and a syngas producer, is developed as a high efficiency power generation system with CO2 capture by adding a post-burner and using the specific water/heat exchanger networks. Based on optimal operating conditions by solving two optimization algorithms, the simulation shows that the total power efficiency of the stand-alone TCCS is up to 60.56% and its CO2 emissions per kWh of electricity is down to 7.18 gCO2.",

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AU - Wu, Wei

AU - Chen, Shih Chieh

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AU - Chen, Shin An

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