1
Mark J O Hara, Marion R Surgi: Immobilization of lead and cadmium in solid residues from the combustion of refuse using lime and phosphate. Wheelabrator Environmental Systems, Thomas K McBride, John F Spears Jr, Eugene I Snyder, April 12, 1988: US04737356 (69 worldwide citation)

Solid residues arising from the burning of solid wastes have lead and cadmium sufficiently insolubilized to pass the EPA toxicity test only where the pH in the EPA test is between 7.5 and 12.0. Addition of water soluble phosphate, especially phosphoric acid, increases the immobilization of lead and ...


2
Marion R Surgi: Optical detection of oxygen. Allied Signal, Harold N Wells, Mary Jo Ryther, Gerhard H Fuchs, August 27, 1991: US05043285 (25 worldwide citation)

This invention is a method and apparatus for detecting the presence of gaseous oxygen and measuring the amount present. In the practice of the invention, luminescence from a luminophor compound is quenched by oxygen. The luminiphor is a conjugated aromatic carbonyl. The intensity of the emitted ligh ...


3
Francis S Lupton, William G Sheridan, Marion R Surgi: Process for removal of organic pollutants from waste water. AlliedSignal, Richard C Stewart II, Mary Jo Boldingh, Harold N Wells, August 6, 1996: US05543052 (4 worldwide citation)

Tis invention relates to a process for reducing the concentration of an organic pollutant such as phenol in an aqueous stream which comprises passing the stream through a bioreacter containing a plurality of biologically active particles comprising a hydrophobic polyurethane substrate having an effe ...