Chemical apparatus and process disinfecting – deodorizing – preser – Physical type apparatus – Means separating or dissolving a material constituent
Patent
1995-04-20
1996-10-01
Bhat, N.
Chemical apparatus and process disinfecting, deodorizing, preser
Physical type apparatus
Means separating or dissolving a material constituent
422273, 422292, 423448, 423460, 423461, B01D 1102, C01B 3104
Patent
active
055608922
ABSTRACT:
A apparatus system is disclosed for time beneficiation of kish to produce coarse high purity graphite wherein a concentrate containing at least about 90% carbon is formed, treated with a dilute acid solution, and the pulp then subjected to an adjuvant-assisted attrition to form a novel synthetic flake graphite of 99+ wt. % carbon with at least 70% of the mass retained on +100 mesh, and an overall recovery of graphitic carbon from the feed of greater than 85% by weight.
REFERENCES:
patent: 3932596 (1976-01-01), Rohatgi
patent: 5364441 (1994-11-01), Worner
Ema et al, "New Recovery Process of Kish Carbon" Proc. Sixth Int. Iron and Steel Congress, Nagoya, Japan 1990 (no month).
Kowa Seiko Co., Ltd. et al "High Purity Kish Graphite", New Materials Development in Japan, 1985, pp. 73-74 (no date).
Wakamatsu et al, "Flotation of Graphite", Minerals Engineering, vol. 4, Nos. 7-11, 1991, pp. 975-982 (no month).
"Graphite-From-Kish Process" Bureau of Mines Preliminary Report No. 415, Jan. 1993.
Landreth et al "The Bench Scale Testing of a Process to Recover Synthetic Flake Graphite and Iron Oxide from Kish", Jun. 13-18, 1993.
"Flotation of Graphite", Wakamatsu et al Minerals Engineering, vol. 4, No. 7-11, pp. 975-982.
"New Recovery Process of Kish Carbon", Proc. 6th Intrnl Iron & Steel Congress, 1990, Nagoya ISIJ.
"The Bench Scale . . . Kish", Landreth et al, Air & Waste Management, Jun. 13-18, 1993.
Graphite--From Kish Proces--Burea of Mines, No. 415 Jan. 1993.
Bennett George W.
Garceau Christian
Leduc Maxime
St-Hilaire Jean-Guy
Bhat N.
Indresco Inc.
Sigalos John L.
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