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
Keith E Forrester: Disposal of waste ash. Wheelabrator Environmental Systems, Banner Birch McKie & Beckett, August 20, 1991: US05040920 (29 worldwide citation)

Waste ash is controlled and adjusted in its water content to result in a compacted permeability of about 10.sup.-5 cm/s or less. With particle size distribution adjustments, the compacted permeability can be made even lower. The impermeable structure is useful as a cover or cap for existing landfill ...


3
Keith E Forrester: Immobilization of lead in bottom ash. Wheelabrator Environmental Systems, Banner Birch McKie & Beckett, September 14, 1993: US05245114 (17 worldwide citation)

Bottom ash arising from solid waste combustion has lead (Pb) sufficient quantity to sometimes fail the EPA TCLP test. Addition of water-soluble phosphate, especially phosphoric acid, increases the immobilization of lead (Pb) so as to make such residues in compliance with the toxicity tests over a su ...


4
Keith E Forrester: Immobilization of lead in solid residues from reclaiming metals. Wheelabrator Environmental Systems, Banner Birch McKie & Beckett, July 4, 1995: US05430233 (12 worldwide citation)

Solid residues arising from the reclamation of metal from, for example, insulated wires and automobiles, have lead (Pb) sufficiently insolubilized to pass the EPA toxicity test. Addition of water soluble phosphate, especially phosphoric acid, increases the immobilization of lead (Pb) so as to make s ...


5
Arthur W Cole, Franklin A Hamlyn, James D Dougherty, John M O Sullivan: Furnace tile and expansion joint. Wheelabrator Environmental Systems, Banner Birch McKie & Beckett, June 13, 1995: US05423294 (6 worldwide citation)

A protective wall structure for protecting boiler tubing in facilities using refuse as a fuel source to produce steam for electrical power generation. The protective wall structure includes an array of shielding tiles, heat transfer bonding material, and elongated compressible material. The shieldin ...


6
Arthur W Cole, Franklin A Hamlyn, James D Dougherty, John M O Sullivan: Grate combustion system. Wheelabrator Environmental Systems, Banner Birch McKie & Beckett, January 3, 1995: US05377663 (4 worldwide citation)

The sidewall end grate block includes a first side which can be placed adjacent to a press plate and a second side which is adjacent to another grate block. The first side includes press plate attachment provisions while the second side includes a tension rod attachment provisions. The press plate a ...


7
Arthur W Cole: Reciprocating combustion grate guide system. Wheelabrator Environmental Systems, Banner & Allegretti, June 25, 1996: US05528992 (3 worldwide citation)

A guide system for a reciprocating grate system having a grate surface, alternating rows of stationary and movable grate blocks, a movable carriage, a fixed undergrate structure, and a driving force device. The guide system includes guide units which guide the movable carriage and the movable rows o ...


8
Arthur W Cole, Franklin A Hamlyn, James D Dougherty, John M O Sullivan: Ram feeder carriage system. Wheelabrator Environmental Systems, Banner Birch McKie & Beckett, March 7, 1995: US05394806 (3 worldwide citation)

A new carriage system for a ram feeder has been designed and is provided. As in the prior art, the carriage system has a drive cart to which is attached a driving force member at one end thereof and a ram member on the other and opposing end thereof. The drive cart is supported by and travels upon a ...


9
Arthur W Cole, John M Heffernan: Refractory tile for open-spaced boiler tubes. Wheelabrator Environmental Systems, The Carborundum Company, Bean Kauffman & Spencer, September 24, 1996: US05558045 (2 worldwide citation)

A refractory tile adapted for protecting boiler tubes from the corrosive and erosive effects of a hot gas stream comprises an elongated ceramic body covering only that side of a boiler tube upon which the hot gas impinges. The tile is hung on the tube with a threaded stud anchored on the tube and a ...


10
O Hara Mark J, Surgi Marion R: Fixation sous forme de dechets solides du plomb et du cadmium de la combustion de dechets, a laide de chaux et de phosphate, Immobilization of lead and cadmium in solid residues from the combustionof refuse using lime and phosphate. Wheelabrator Environmental Systems, SIM & MCBURNEY, December 31, 1991: CA1293740

ABSTRACT OF THE DISCLOSURE Solid residues arising from the burning of solid wastes have leadand cadmium sufficiently insolubilized to pass the EPA toxicity testonly where the pH in the EPA test is between 7.5 and 12� Addition ofwater soluble phosphate, especially phosphoric acid, increases theimmobi ...