Abstract: A disposable rotary drum filter for processing batches of slurry. The device includes an outer housing in which is disposed a rotatable inner drum that is covered with a filter material. Preferably the device is fabricated from a plastic material that is sterilizable. The inner drum is preferably magnetically coupled to an external drive unit, eliminating seals required if it were necessary for a drive shaft to pass through the housing. The inner drum rotates through a slurry. The filtrate outlet is connected to a vacuum source that draws the slurry through the filter material. Solids in the slurry are thus deposited as a filter cake on the outer surface of the filter material, while liquid from the slurry passes through the filter material to be collected as a filtrate. Air drawn into the housing through an inlet passes through the filter material and partially dries the filter cake that has been rotated out of the slurry.

Abstract: A disposable rotary drum filter for processing batches of slurry. The device includes an outer housing in which is disposed a rotatable inner drum that is covered with a filter material. Preferably the device is fabricated from a plastic material that is sterilizable. The inner drum is preferably magnetically coupled to an external drive unit, eliminating seals required if it were necessary for a drive shaft to pass through the housing. The inner drum rotates through a slurry. The filtrate outlet is connected to a vacuum source that draws the slurry through the filter material. Solids in the slurry are thus deposited as a filter cake on the outer surface of the filter material, while liquid from the slurry passes through the filter material to be collected as a filtrate. Air drawn into the housing through an inlet passes through the filter material and partially dries the filter cake that has been rotated out of the slurry.