Phthalic acid anhydride 酞酸酐 ; 邻苯二甲酸酐 ; 苯二甲酸酐
Therefore, the intermediate product is phthalic acid and final products are phthalic anhydride, carbon dioxide and water.
因此反应的中间产物为邻苯二甲酸，终产物为邻苯二甲酸酐、二氧化碳和水。
Thiourea was then used as the primary catalyst to making fumaric acid from the waste water of phthalic anhydride.
接下来，通过选用硫脲作为主催化剂，另加入少量的助催化剂，将苯酐废水中的马来酸异构化制取富马酸。
The condensation reaction takes place between the two hydroxyl of phthalic acid, and the phthalic acid be converted into phthalic anhydride finally.
邻苯二甲酸的两个羧基上的羟基会发生缩水反应，最终生成邻苯二甲酸酐。
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