天然氣聯(lián)合循環(huán)系統(tǒng)的碳捕獲方法Carbon Capture Approaches for Natural Gas Combined Cycle Systems
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- 更新時(shí)間:2021-09-21
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本研究旨在探討先進(jìn)天然氣的成本與性能。 聯(lián)合循環(huán)(NGCC)CO2捕獲裝置,采用一致的技術(shù)和經(jīng)濟(jì) 準(zhǔn)確反映當(dāng)前市場(chǎng)狀況以便未來(lái)發(fā)展的方法 技術(shù)。 對(duì)于這項(xiàng)研究,有三種類(lèi)型的碳捕獲方法被研究:預(yù)燃燒, 后燃燒和氧氣燃燒。在預(yù)燃碳捕獲中,燃料中的碳。 在燃燒過(guò)程之前轉(zhuǎn)化成CO2并除去,而在后燃燒中, 越稀釋的CO2在較低的壓力下從煙氣中分離出來(lái)。氧燃燒 技術(shù)使用幾乎純的氧氣作為氧化劑,使得煙氣主要由CO2組成。 還有水蒸氣。
The purpose of this study is to present the cost and performance of advanced natural gas combined cycle (NGCC) plants with CO2 capture, using a consistent technical and economic approach that accurately reflects current market conditions for future developmental technologies. For this study, there were three types of carbon capture approaches examined: pre-combustion, post-combustion and oxy-combustion. In pre-combustion carbon capture, the carbon in the fuel is converted to CO2 and removed before the combustion process, whereas in post-combustion, the more dilute CO2 is separated from the flue gas at a lower pressure. Oxy-combustion technologies use nearly pure oxygen as the oxidant so that the flue gas consists primarily of CO2 and water vapor.
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