Stable activated carbon process using a moving grate stoker furn

Distillation: processes – thermolytic – With comminuting

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201 25, 201 28, 502421, B01J 812, B01J 2118, C10B 5702

Patent

active

044759860

ABSTRACT:
Carbonaceous raw material, such as lignite coal, having first been passed successively through a moving grate stoker furnace, a shaft furnace and a quench chamber is screened so as to remove from the end product substantially all +12 mesh and larger particles which are then crushed to -12 mesh screen size and recirculated into the stream of raw material enroute through the moving grate stoker.

REFERENCES:
patent: 3483134 (1969-12-01), Olson
patent: 3541025 (1970-11-01), Oda et al.
patent: 3839157 (1974-10-01), Hagstrom
patent: 3870652 (1975-03-01), Whitten et al.
patent: 4100034 (1978-07-01), Smith et al.
patent: 4156595 (1979-05-01), Scott et al.
patent: 4242225 (1980-12-01), Wolfrum

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