The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 06, 1977
Filed:
Jul. 19, 1976
Charles F von Dreusche, Jr, Ramsey, NJ (US);
Nichols Engineering & Research Corporation, Belle Mead, NJ (US);
Abstract
The invention is directed to method and apparatus for treating waste material containing alkali metal in a counter-flow furnace wherein the waste material to be processed is introduced at one end thereof and the processed material is discharged from the other end, while simultaneously air is introduced and the gases of combustion are caused to flow in a counter-current direction with respect to the material being processed and are exhausted at the first end of the furnace, and wherein the furnace has a natural tendency to form zones of processing including sequentially from the first end of the furnace, a drying zone, a charring and volatile burning zone, and a fixed carbon burning zone, and wherein a maximum temperature is maintained in the furnace below about 1400.degree. F. directly adjacent the surface of the bed of material being processed.