|
CS248338B1
|
|
Liquids gasification device
|
|
CS247828B1
|
|
Method of liquid gasification
|
|
CS996084A1
|
|
Waste water cleaning device
|
|
CS995684A1
|
|
Equipment for sewage biologic treatment plant
|
|
CS510784A1
|
|
Apparatus for liquid gassing
|
|
CS234648B1
|
|
Equipment for sewage treatment
|
|
CS230422B1
|
|
Method of biologically removing ammonia nitrogen from waste water
|
|
CS221407B1
|
|
Facility for adaptation of the liquid by the microbubbles of the gas
|
|
CS210200B1
|
|
Facility for exhausting the sludges part.from the feeding container
|
|
CS208065B1
|
|
Appliance for cyclic cleaning the refuse waters
|
|
CS205782B1
|
|
Method of cyclic biological purification of refuse waters
|
|
CS204549B1
|
|
Flotation machine
|
|
CS201838B1
|
|
Process for treatment of sludge before dewatering,especially in sludge beds
|
|
CS204348B1
|
|
Process for anaccobic septicization of sludge with thermal pretreatment and device for making this process
|
|
CS203446B1
|
|
Method of aerobic digestion with thermal pre-treatment of sludge and device for making the method
|
|
CS198758B1
|
|
Device for the sludge suction,especially from settling tanks
|
|
CS202720B1
|
|
Method of separating and thickening the particles contained on the fluid by means of the pressure flotation and device for performing the same
|
|
CS192947B1
|
|
Device for the aeration and control of oxygen inlet into activation tanks with aid of jets of liquid
|
|
CS192389B1
|
|
Scraper for wiping of sludge
|
|
CS191804B1
|
|
Aerated sand trap
|
