Mechanical method for separating fractions of incinerated urban refuse or similar industrial refuse
Patent
·
OSTI ID:6606295
A method is disclosed for separating fractions of incinerated refuse with a high recuperation yield without requiring special equipment. A first portion of the separation process may be applied to either an initially dry or an initially wet refuse. The refuse is at first screened to a median size. The oversized fraction is crushed and shredded and the non-magnetic fraction separated therefrom is sent commonly to a grinding-rolling mill which also receives the undersize fraction. The undersize fraction downstream of the grinding mill is further treated by a wet separating process, the method achieving separation of ferrous and nonferrous metals, of glasses and silicates, and of magnetic slags.
- Assignee:
- Bureau de Recherches Geologiques et Minieres
- Patent Number(s):
- US 4044956
- OSTI ID:
- 6606295
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320305* -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Industrial Waste Management
320604 -- Energy Conservation
Consumption
& Utilization-- Municipalities & Community Systems-- Municipal Waste Management-- (1980-)
42 ENGINEERING
420900 -- Engineering-- Waste Processing Plants & Equipment-- (-1989)
CHEMICAL REACTIONS
COMBUSTION
DESIGN
INCINERATORS
INDUSTRIAL WASTES
MANAGEMENT
MATERIALS RECOVERY
MUNICIPAL WASTES
OXIDATION
PROCESSING
RECOVERY
RECYCLING
SEPARATION PROCESSES
SLAGS
SOLID WASTES
THERMOCHEMICAL PROCESSES
WASTE MANAGEMENT
WASTE PROCESSING
WASTES
320305* -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Industrial Waste Management
320604 -- Energy Conservation
Consumption
& Utilization-- Municipalities & Community Systems-- Municipal Waste Management-- (1980-)
42 ENGINEERING
420900 -- Engineering-- Waste Processing Plants & Equipment-- (-1989)
CHEMICAL REACTIONS
COMBUSTION
DESIGN
INCINERATORS
INDUSTRIAL WASTES
MANAGEMENT
MATERIALS RECOVERY
MUNICIPAL WASTES
OXIDATION
PROCESSING
RECOVERY
RECYCLING
SEPARATION PROCESSES
SLAGS
SOLID WASTES
THERMOCHEMICAL PROCESSES
WASTE MANAGEMENT
WASTE PROCESSING
WASTES