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首页> 外文期刊>Environmental Science & Technology >Technical and Energy Performance of an Advanced, Aqueous Ammonia-Based CO_2 Capture Technology for a 500 MW Coal-Fired Power Station
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Technical and Energy Performance of an Advanced, Aqueous Ammonia-Based CO_2 Capture Technology for a 500 MW Coal-Fired Power Station

机译：500 MW燃煤电站先进的基于氨水的CO_2捕集技术的技术和能源性能

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摘要

Using a rate-based model, we assessed the technical feasibility and energy performance of an advanced aqueous-ammonia-based postcombustion capture process integrated with a coal-fired power station. The capture process consists of three identical process trains in parallel, each containing a CO_2 capture unit, an NH_3 recycling unit, a water separation unit, and a CO_2 compressor. A sensitivity study of important parameters, such as NH_3 concentration, lean CO_2 loading, and stripper pressure, was performed to minimize the energy consumption involved in the CO_2 capture process. Process modifications of the rich-split process and the interheating process were investigated to farther reduce the solvent regeneration energy. The integrated capture system was then evaluated in terms of the mass balance and the energy consumption of each unit. The results show that our advanced ammonia process is technically feasible and energy-competitive, with a low net power-plant efficiency penalty of 7.7%.
机译：使用基于速率的模型，我们评估了与燃煤电站集成的先进的基于水氨的燃烧后捕集过程的技术可行性和能源性能。捕集过程由三个并行的相同流程组成，每个流程包含一个CO_2捕集单元，一个NH_3循环单元，一个水分离单元和一个CO_2压缩机。对重要参数（例如NH_3浓度，稀薄的CO_2负荷和汽提塔压力）进行了敏感性研究，以最大程度地减少CO_2捕集过程中的能耗。为了进一步降低溶剂的再生能量，对富分流工艺和中间加热工艺的工艺进行了研究。然后根据质量平衡和每个单元的能耗评估集成的捕获系统。结果表明，我们先进的氨法工艺在技术上可行且具有能源竞争力，发电厂的净净效率损失低，仅为7.7％。

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  • 来源
    《Environmental Science & Technology》 |2015年第16期|10243-10252|共10页
  • 作者

    Kangkang Li; Hai Yu; Paul Feron; Moses Tade; Leigh Wardhaugh;

  • 作者单位

    CSIRO Energy Flagship, 10 Murray Dwyer Circuit, Mayfield West, NSW 2304, Australia ,Department of Chemical Engineering, Curtin University of Technology Australia, GPO Box U1987, Perth, Western Australia 6845, Australia;

    CSIRO Energy Flagship, 10 Murray Dwyer Circuit, Mayfield West, NSW 2304, Australia;

    CSIRO Energy Flagship, 10 Murray Dwyer Circuit, Mayfield West, NSW 2304, Australia;

    Department of Chemical Engineering, Curtin University of Technology Australia, GPO Box U1987, Perth, Western Australia 6845, Australia;

    CSIRO Energy Flagship, 10 Murray Dwyer Circuit, Mayfield West, NSW 2304, Australia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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  • 正文语种 eng
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