Method for oxidation of sulfur-containing substances

Method for preventing dust depositions or build-ups in off-gas c

Method of and apparatus for incinerating refuse

Method of and apparatus for treating refuse

Method of burning refuse

Method of disposing of combustible material

Method of handling fuel

Method of treating sewage sludge

Mobile furnace vehicle

Multi-stage pneumatic municipal solid waste separation and recov

Multiple-casing chimney

Multiple-hearth furnace

Non-polluting disposal of antifouling paint residues encountered

Perfected system for pyrolysing and/or drying biological sludge

Plant for burning waste

Plasma pyrolysis and vitrification of municipal waste

Plug furnace

Plume elimination mechanism

Pollution free combination carbonization apparatus and furnace

Portable forge