(METH)ACRYLATE PRODUCTION SYSTEM
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United States of America Patent
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app pub date -
Dec 22, 2015
filing date -
Jun 27, 2013
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Abstract
A (meth)acrylate production system having a reactor (A1) provided with a distillation column (2) and a distillation apparatus (B3) provided with a distillation column (4). A condensing apparatus (6) is provided at the top of the distillation column (2). The condensing apparatus (6) and a switching apparatus (7) are connected via a pipe (5b), the switching apparatus (7) and the top of the distillation column (2) are connected via a pipe (5c), the switching apparatus (7) and a liquid separation apparatus (8) are connected via a pipe (5d), the top of the liquid separation apparatus (8) and the distillation column (2) are connected via pipe (5e), the bottom of the liquid separation apparatus (8) and the distillation apparatus (B3) are connected via a pipe (50, the top of the distillation column (4) is connected with a condensing apparatus (9) via a pipe (10a), the condensing apparatus (9) and a switching apparatus (11) are connected via a pipe (10b), the switching apparatus (11) and the top of the distillation column (4) are connected via a pipe (10c), the switching apparatus (11) and a recovery unit (12) are connected via a pipe (10d), and the bottom of the distillation apparatus (B3) is connected with the pipe (5d) between the switching apparatus (7) and the liquid separation apparatus (8) via a pipe (10e).
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