Barrier oxidation ditch having increased flow efficiency and...

Baryum sulfide treatment of sulfuric acid and/or ammonium...

Batch liquid purifier

Batch sewage treatment system and method

Bed height sensing device for biological reactor

Benzene removal aid for crude oil

Beverage manufacture, processing, packaging and dispensing...

Binder-free compacted forms of...

Binding agent for compacted salt

Bio degradation of oxyanions such as perchlorate on ion...

Bio-filter with low density media and toroidal media...

Bio-methanisation

Bio-oxidation with low sludge yield

Bio-surface separation process

Bioactive, ruthenium-containing coating and device

Biochemical conversion of biodegradable carbon- containing...

Biochemical oxidation with low sludge recycle

Biochemical process for purifying contaminated water

Biochemical purification of contaminated water

Biochemical reactor of liquid current type, groundwater and...