|
WO2018202717A1
|
|
A method of manufacturing a microbial starter culture
|
|
EP3504163A1
|
|
Treatment of wastewater
|
|
EP3052446A1
|
|
Plant and method for treatment of waste water in an activated sludge plant
|
|
EP2487233A1
|
|
An apparatus for production of biogas by digestion of organic material
|
|
EP1817262A2
|
|
Improved method for water purification
|
|
US6238562B1
|
|
Process for biological purification of waste water with reversing operation
|
|
EP1027292A1
|
|
A process for biological purification of waste water under sludge retention
|
|
WO9901387A1
|
|
Method for biological purification of waste water by the activated sludge method and apparatus for carrying out the method
|
|
DK112396A
|
|
Process for removing dissolved metals and / or metalloids from an aqueous medium containing the same and with a solid
|
|
WO9701731A1
|
|
A method and an apparatus for drying and combusting water-containing matter
|
|
US5908554A
|
|
Method and plant for the purification of waste water by the activated sludge method
|
|
CN1129677A
|
|
Improved nitrification and denitrification wastewater treatment process
|
|
DK64891D0
|
|
Apparatus for mixing and moving solid material in a container
|
|
DK245790D0
|
|
Process and installation for producing purified water from ground water which contains undesirable oxidizable substances
|
|
DK116890D0
|
|
Device in a movable grate
|
|
DK64290D0
|
|
Electrolysis system for corrosion protection of a fresh water pipe system
|
|
DK339389D0
|
|
Procedure for the preparation of removal heat and places for exercising the procedure
|
|
DK353688D0
|
|
Procedure and plant for biological cleaning of waste water by the active slam method
|
|
DK511587D0
|
|
Procedures for the removal of acid components, in particular sulfur dioxyd, from a heat stream gas flow and plant for exercising the procedure
|
|
DK48086D0
|
|
Procedure for disposal of waste in early mining or other excavations
|
