Membrane supported biofilm process for autotrophic reduction

Membrane-cleaning method for membrane bioreactor process

Metal accumulation

Metal containing waste water treatment method and metal...

Metal removal from aqueous solution

Methane fermentation process for treating evaporator condensate

Methane production by attached film

Method an device for introducing oxygen into water or...

Method and an apparatus for biological treatment of waste waters

Method and an apparatus for the purification of water, more part

Method and apparatus for aerating wastewater

Method and apparatus for aerating water

Method and apparatus for aerobic digestion of organic waste

Method and apparatus for aerobically treating wastewater

Method and apparatus for anaerobic biological hydrolysis and for

Method and apparatus for anaerobic digestion of biomasses...

Method and apparatus for anaerobically degrading pollutants...

Method and apparatus for biodegradation of alkyl ethers and...

Method and apparatus for biodegradation of oxygenates

Method and apparatus for biological activation waste water treat