| 摘要 |
An evaporator (1) for use in industrial waste treatment comprising: a curved pathway (8) bounded by a casing (12); an inlet port (3) through which waste fluid (7) enters the evaporator (1); a drain (4) beneath the pathway (8) through which a condensate passes, in use; and an outlet (5) through which to draw evaporated fluid. The evaporator (1) has a series of fins (6) of elongate aerofoil cross-section in the intended flow direction around the pathway (8) and, extending across the pathway (8).
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