Device useful in the treatment of blood

Domestic sewage cleaning system

Drinking water purifying apparatus

Electric jar pot with ozone disinfection function

Filter device

Filter for continuous filtration

Gas/liquid mixing apparatus

Heat exchanger for aeration tank

Injector for SCWO reactor

Liquid aeration to reduce biological oxygen demand

Means for separation and removal of impurities from liquids

Means for separation and removal of impurities from liquids

Membrane transfer process and apparatus

Method and apparatus for anaerobic fermentation

Method and apparatus for fermentation of organic waste material

Method and apparatus for integrated local treatment of biologica

Method and apparatus for treatment of sludge

Microwave assisted cleaning and reclamation of industrial wastes

Ozone H.sub.2 O treatment

Plant for treatment of sediment of natural and waste waters