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LOW-EMISSION GAS TURBINES USING CATALYTIC COMBUSTION

机译:使用催化燃烧的低排放燃气轮机

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Gas turbines are being increasingly used for electric power generation and other applications. Gas turbines are efficient and clean-burning, but without emission controls they emit far more nitrogen oxides (NO_x) than regulations permit. Commercial NO_x control techniques, such as dry low NO_x (DLN), wet diluent injection (WDI), and selective catalytic reduction (SCR), are generally uneconomical for achieving NO_x emissions of 10 ppm or less, which are, or will soon be, required in many industrialized regions of the world. In the thermal combustion of natural gas (methane), NO_x emissions are very low up to about 1400℃, but increase sharply to more than 160 ppm at the typical flame temperature of about 1800℃.
机译:燃气轮机正越来越多地用于发电和其他应用。燃气轮机效率高,燃烧清洁,但没有排放控制,它们排放的氮氧化物(NO_x)远远超过法规允许的范围。商业上的NO_x控制技术,例如干式低NO_x(DLN),湿式稀释剂注入(WDI)和选择性催化还原(SCR),对于达到或即将达到10 ppm或更少的NO_x排放通常不经济。在世界许多工业化地区都需要。在天然气(甲烷)的热燃烧中,NO_x排放量高达1400℃时非常低,但在典型的约1800℃的火焰温度下急剧增加至160 ppm以上。

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