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:
Jun. 30, 1981
Filed:
Nov. 07, 1977
John G Roeschlaub, Upland, CA (US);
Ivan J Hopkins, Pomona, CA (US);
Occidental Petroleum Corporation, Los Angeles, CA (US);
Abstract
A process for efficiently recycling the water used in the various stages of a process for recovering glass from municipal trash. The invention comprises the separate treatment and recycling of the process water resulting from the first step separation of the incoming trash into a glass and inorganic constituent and an organic constituent for reuse in that step; the separate treatment and recycling of the process water emanating from the second step size classification to either the first or second steps; and, the treatment and recycling of the process water used in the froth flotation separation of the glass from the other inorganic constituents to any of the three steps in the process.