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1. AU1996060162 - Method of continuous extraction of crude wax and apparatus therefor

Office Australia
Application Number 60162/96
Application Date 13.06.1996
Publication Number 1996060162
Publication Date 27.02.1997
Publication Kind A
IPC
C11B 11/00
CCHEMISTRY; METALLURGY
11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
BPRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
11Recovery or refining of other fatty substances, e.g. lanolin, waxes
B01D 11/02
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
11Solvent extraction
02of solids
B01F 7/00
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
7Mixers with rotary stirring devices in fixed receptacles; Kneaders
B01F 7/04
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
7Mixers with rotary stirring devices in fixed receptacles; Kneaders
02with stirrers rotating about a horizontal or inclined axis
04with paddles or arms
C11B 1/10
CCHEMISTRY; METALLURGY
11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
BPRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
1Production of fats or fatty oils from raw materials
10by extracting
CPC
C11B 11/00
CCHEMISTRY; METALLURGY
11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
BPRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVING FATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES, INCLUDING EXTRACTION FROM WASTE MATERIALS; ESSENTIAL OILS; PERFUMES
11Recovery or refining of other fatty substances, e.g. lanolin, waxes
B01D 11/0226
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
11Solvent extraction
02of solids
0215Solid material in other stationary receptacles
0223Moving bed of solid material
0226with the general transport direction of the solids parallel to the rotation axis of the conveyor, e.g. worm
B01F 7/0085
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
7Mixers with rotary stirring devices in fixed receptacles ; , i.e. movement of the receptacle not being meant to effect the mixing
0085the stirring devices being composed of two independently driven coaxial rotors facing each other, e.g. having intermeshing teeth
B01F 7/00866
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
7Mixers with rotary stirring devices in fixed receptacles ; , i.e. movement of the receptacle not being meant to effect the mixing
0085the stirring devices being composed of two independently driven coaxial rotors facing each other, e.g. having intermeshing teeth
00858with rotating surfaces facing each other
00866provided with intermeshing elements
B01F 7/04
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
7Mixers with rotary stirring devices in fixed receptacles ; , i.e. movement of the receptacle not being meant to effect the mixing
02with stirrers rotating about a horizontal or inclined axis
04with paddles, ; blades; or arms
C11B 1/102
CCHEMISTRY; METALLURGY
11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
BPRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVING FATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES, INCLUDING EXTRACTION FROM WASTE MATERIALS; ESSENTIAL OILS; PERFUMES
1Production of fats or fatty oils from raw materials
10by extracting
102in counter-current; utilisation of an equipment wherein the material is conveyed by a screw
Applicants Nippon Petrochemicals Company Limited
Inventors Fujimura, Kouji
Fukuyo, Kazumi
Fusano, Toshiharu
Agents Davies Collison Cave Pty Ltd
Priority Data 7/170347 13.06.1995 JP
Title
(EN) Method of continuous extraction of crude wax and apparatus therefor
Abstract
(EN)
A method of continuous solvent extraction of waxes contained in the solid residue separated from squeezed sugar cane juices at a high extraction efficiency in a substantially uniform extraction time, which method comprises mixing the solid residue with an organic extractant under shear and conducting the extraction under the flow condition where a sufficient kneading is effected in a direction perpendicular to the direction of flow while substantially a plug flow is formed in the direction of flow.