skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Method and an apparatus for subdivision of and heat recovery from a liquid slag

Patent ·
OSTI ID:5281070

A method is described of sub-dividing and recovering heat from a liquid slag comprising: rolling the liquid slag between at least two cooled briquetting rolls, controlling the temperature of and distance between the rolls so as to obtain a cohesive slag slab with shaped briquettes having a solidified surface layer and a melted central layer, cooling the briquetted slab to a temperature whereat the portions of the shaped slab between the briquettes themselves crack up, whereby the briquettes are automatically separated from each other and recovering heat from the separated briquettes.

Assignee:
AB Svensk Alunskifferutveckling, Stockholm
Patent Number(s):
US 4604136
OSTI ID:
5281070
Resource Relation:
Patent File Date: Filed date 30 May 1984
Country of Publication:
United States
Language:
English