Protein?skimmer?is?the?most?commonly?used?equipment?by?aquarium?and?aquaculture?to?remove?suspended?and?dissolved?waste?from?fish?tanks?by?means?of?air?floatation.?Protein?skimming?is?a?relatively?simple?process?which?relies?on?the?physical?and?chemical?properties?of?coagulation.?Protein?skimming?process?requires?a?contact?column?in?which?air?and?water?containing?these?surfactants?can?interact.?The?air?and?water?interfaces?are?provided?by?supplying?a?constant?injection?of?small?bubbles?to?a?proportional?volume?of?water?in?the?column?and?allowing?them?to?mix?and?then?migrate?to?the?surface.??

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