Organic contaminant skimming apparatus, e.g. for aquaria, comprises plates arranged between open bottom ends of vertical tubes and water level which form surfaces to which bubbles produced by blowing in air can adhere

摘要

Apparatus for skimming off organic contaminants from fresh or salt water in an open tank (13) comprises plates (2) arranged between the open bottom ends of vertical tubes (1) and the water level (18) and parallel to their central axes. Each plate is positioned between two tubes. These form surfaces to which bubbles produced by blowing in air from an air supply (11) can adhere.