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发明申请
US20050139072A1 Process to remove nitrogen and/or carbon dioxide from methane-containing streams 有权
从含甲烷物流中除去氮和/或二氧化碳的方法

Process to remove nitrogen and/or carbon dioxide from methane-containing streams
摘要：
A process for the removal of inert gases, such as nitrogen and carbon dioxide, from methane-containing gases, such as natural gas, including a first stage removal which lowers the total combined inert content to about less than 30% and a second stage removal utilizing a pressure swing adsorption process comprising one or more adsorbent beds comprising contracted titanosilicate-1 adsorbent, wherein the purified methane-containing gas contains less than about 6% total combined inerts.
摘要（中）：

从含甲烷气体（如天然气）中除去惰性气体（如氮气和二氧化碳）的方法，包括将总合并惰性物质含量降至约低于30％的第一阶段除去和第二阶段除去 利用包含一个或多个包含收缩的钛硅酸盐-1吸附剂的吸附剂床的变压吸附方法，其中纯化的含甲烷气体含有小于约6％的总组合惰性气体。

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