کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4991946 | 1457115 | 2017 | 37 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Towards retrofitting integrated gasification combined cycle (IGCC) power plants with solid oxide fuel cells (SOFC) and CO2 capture - A thermodynamic case study
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کلمات کلیدی
HCNWGSCCSIGCCIGFCSOFCLHVHRSGSGCGHGCOSWACASUEuropean Union - اتحادیه اروپاExergy - اکسرژیRetrofit - بازسازیSteam turbine - توربین بخارGas turbine - توربین گازWater Gas Shift - جابجایی گازCarbon capture and storage - جذب و ذخیره کربنCO2 capture - جذبCO2Carbon dioxide - دیاکسید کربنsolid oxide fuel cell - سلول سوختی اکسید جامدHigh pressure - فشار بالاIntermediate pressure - فشار متوسطLow pressure - فشار کمHeat recovery steam generator - مولد بخار با توان بازیافت حرارتHydrogen - هیدروژن Hydrogen cyanide - هیدروژن سیانیدair separation unit - واحد جداسازی هواCO2 - کربن دیاکسیدcarbonyl sulphide - کربنیل سولفیدGreenhouse gas - گاز گلخانه ایintegrated gasification combined cycle - گشتاور مجتمع یکپارچه
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
جریان سیال و فرایندهای انتقال
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
This article presents a detailed thermodynamic case study based on the Willem-Alexander Centrale (WAC) power plant in the Netherlands towards retrofitting SOFCs in existing IGCC power plants with a focus on near future implementation. Two systems with high percentage (up to 70%) biomass co-gasification (based on previously validated steady state models) are discussed: (I) a SOFC retrofitted IGCC system with partial oxy-fuel combustion CO2 capture (II) a redesigned highly efficient integrated gasification fuel cell (IGFC) system with full oxy-fuel CO2 capture. It is concluded that existing IGCC power plants could be operated without major plant modifications and relatively high electrical efficiencies of more than 40% (LHV) by retrofitting SOFCs and partial oxy-combustion CO2 capture. In order to apply full scale CO2 capture, major process modification and redesign needs to be carried out, particularly in the gas turbine unit and heat recovery steam generator (HRSG). A detailed exergy analysis has also been presented for both the systems indicating significant efficiency improvement with the utilization of SOFCs. Additional discussions have also been presented on carbon deposition in SOFCs and biomass CO2 neutrality. It is suggested that scaling up of the SOFC stack module be carried out gradually, synchronous with latest technology development. The thermodynamic analysis and results presented in this article are also helpful to further evaluate design challenges in retrofitted IGCC power plant systems for near future implementation, gas turbine part load behaviour, to devise appropriate engineering solutions and for techno-economic evaluations.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Thermal Engineering - Volume 114, 5 March 2017, Pages 170-185
Journal: Applied Thermal Engineering - Volume 114, 5 March 2017, Pages 170-185
نویسندگان
A. Thallam Thattai, V. Oldenbroek, L. Schoenmakers, T. Woudstra, P.V. Aravind,