| 摘要 |
PURPOSE: Apparatus for collecting terephthalic acid crystal is provided to reduce the amount of steam consumed, to facilitate maintenance and repair, and to easily collect terephthalic acid crystal, acetic acid and a catalyst. CONSTITUTION: Apparatus for collecting terephthalic acid crystal comprises: a raw material supply part supplying raw materials including terephthalate crystal; a first pressure rotation filter device(100) for filtering the raw materials supplied from the raw material supply part; a first mixer(200) for mixing cake separated from the first pressure rotation filter device with water; an acetic acid supply part for supplying acetic acid to a first cleansing unit(150) of the first pressure rotation filter device; a second pressure rotation filter device(400) for filtering the cake-mixed material from the first mixer; a second mixer(500) for mixing the exhausted cake and water; and a exhausting part(600) for exhausting water and mixed cake from the second mixer.
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