Title:
METHOD FOR REMOVING FOREIGN SUBSTANCE FROM WASTE PLASTIC
Document Type and Number:
Japanese Patent JP2005335162
Kind Code:
A
Abstract:
To provide a method for removing a foreign substance efficiently without the use of a solvent and by reducing a load on a waste plastic crusher, in removing the foreign substance through a process to manufacture a solid reducing agent or a solid fuel from the waste plastic.
The waste plastic is heated to carry out an intermediate removal of the foreign substance, then cooled/hardened and the foreign substance is removed as required after grinding the hardened waste plastic.
Inventors:
Kajioka, Masahiko
Application Number:
JP2004000156008
Publication Date:
December 08, 2005
Filing Date:
May 26, 2004
Export Citation:
Assignee:
JFE STEEL KK
International Classes:
B02C23/08; B02C23/14; B29B17/02; B29B17/04; C10L5/48; (IPC1-7): B29B17/02; B02C23/08; B02C23/14; C10L5/48