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Method for Separating Gases in an Oxy-Fuel Combustion Process by Using Oxygen-Permeable Membranes
Method for Separating Gases in an Oxy-Fuel Combustion Process by Using Oxygen-Permeable Membranes
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机译:通过使用透氧膜将气体分离气体中的气体
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摘要
The invention relates to a method for separating gases which comprises:a first step in which a gas fuel stream comprising combustible substances that produce gas products when oxidised, and an oxygen-rich inlet stream are passed through at least two modules of oxygen-separating ceramic membranes, such that the two streams come into contact through the membranes and exchange heat;a second step of selective diffusion of oxygen from the oxygen-rich stream to the fuel stream, such that the outlet streams from the membrane modules are an oxygen-depleted or completely oxygen-free stream and a partially or completely oxidised stream; anda third step of recovery of at least two separate outlet streams of at least two gases selected from oxygen, nitrogen, carbon dioxide and hydrogen.
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