Chemical products for waste water treatment; Chemicals for use in the treatment of waste water; Waste treatment chemicals; Sewerage water treatment chemicals

Apparatus for the chlorination of waste water; Apparatus for waste disposal by incineration; Apparatus for waste sewage treatment (installations); Apparatus for waste water purification; Fermentation installations for treating waste material; Industrial waste water purification plants; Installations for destroying waste products; Installations for recovering waste products from processing; Installations for the purification of waste water; Installations for the recycling (purification) of waste water; Installations for the treatment of industrial waste water; Installations for the treatment of waste products; Installations for waste water engineering; Purification installations for waste material; Waste water treatment apparatus; Waste water treatment installations; Sewerage installations