Fernandes John Henry: Method of gasifying carbonaceous material. Combustion Engineering, Goettel Jr Frederick A, November 18, 1975: US3920417 (41 worldwide citation)

A method and apparatus is disclosed for generating a clean, low Btu fuel gas by the reaction of a carbonaceous fuel limestone mixture with oxygen and steam in a downdraft fixed bed gasifier. The product gas and slag are discharged from the lower end of the gasifier after having passed through an inc ...

Fernandes John Henry: Air classifier for municipal refuse. Combustion Engineering, September 23, 1975: US3907670 (15 worldwide citation)

Apparatus comprising an elutriation column for classifying a heterogeneous mixture of particulate solids material is provided with means for improving the classification of the material fractions primarily on a density basis. The material to be classified is impacted with sweep air upstream of the e ...

Fernandes John Henry: Fines agglomerator. Combustion Engineering, September 4, 1973: US3756761 (2 worldwide citation)

Apparatus for agglomerating fine solid particles including a rotating frusto-conical housing into which the fines and a molten slag are introduced so as to efficiently form agglomerated members.