|
US2982409A
|
|
Separation of foam and other materials from liquid mixtures
|
|
US2757581A
|
|
Vortex separators
|
|
US2920761A
|
|
Apparatus for separating and deaerating pulp suspension
|
|
US2849930A
|
|
Method and apparatus for treating pulp suspensions and other fluids for removal of undesired particles and gases
|
|
US2816490A
|
|
Apparatus for treating liquid mixtures for separation of solid particles and gases
|
|
US2157993A
|
|
Incineration
|
|
US2015050A
|
|
Incinerating method and apparatus
|
|
US2015052A
|
|
Process for treating sewage or similar material
|
|
US1879680A
|
|
Rabbling means
|
|
US1842782A
|
|
Metallurgical furnace
|
|
US1852600A
|
|
Roasting furnace construction
|
|
US2024589A
|
|
Treatment of mineral absorbent material
|
|
US1851627A
|
|
Process for treating earths and products therefrom
|
|
US1852603A
|
|
Process of activating or revivifying finely divided materials
|
|
CA545741A
|
|
Sludge drying furnace with gas deodorizing chamber
|
|
CA358818A
|
|
Incinerator
|
|
CA621446A
|
|
Method and apparatus for removing fly ash from gases
|
|
CA892923A
|
|
Rocker grates
|
|
CA458106A
|
|
Furnace
|
|
CA442766A
|
|
Apparatus and method for drying and incinerating waste materials
|
