气相氧化法是将空气与汽化后的均四甲苯混合进入含有催化剂的氧化反应器进行氧化反应，反应产物经换热冷却后，均苯四甲酸二酐直接从气相中凝华捕集。
In the method of air phase oxidation the mixed gas that boiling 1,2,4,5-tetramethyl benzene is combined with air is carried into oxidation reactor and reacts and then product gas is cooled.
从反应器出来的烟气与流化气换热后又对生物质进行干燥，换热与干燥有机结合，实现尽可能最大化的热回收，有效利用能量。
The flue gas which comes from the reactor and the flow of gas have heat changes and then dry combination, in order to achieve as much as possible to maximize heat recovery and efficient use of energy.
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