ALAR

Rotary vacuum filters used with machines to remove suspended solids from liquids; precipitators, namely, machinery for adding chemicals to precipitate dissolved materials from solutions and recovery of the liquids and solids

Waste water sampling equipment for use in for sewers, waste treatment plants, sewer outfalls and the like, which automatically provides accurate proportional samples on a timed basis for analysis; control units which regulate concentration of solutions and slurries

Waste water purification tanks, namely, clarifiers in the nature of settling tanks for removing sludge from solutions; oil-water separators in the nature of coalescers for the cleaning and purification of liquids, in which water and oil separate into two layers and the water is drained off; water treatment equipment in the nature of chemical treatment systems, namely, apparatus for coagulating solids in which flocculating chemicals are added to liquids causing pollutants to precipitate and drop out of suspension for the purpose of water purification