| 摘要 |
A device for dewatering sludge or the like, particularly sludge from water purification plants, having a preliminary pressureless pocket dewatering stage A, one or more horizontal dewatering zones B formed by horizontally extending filter belts located below the preliminary stage A, those zones being located serially one below another, a medium pressure drum filter stage C, and thereafter a high-pressure dewatering unit D.
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