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1. US5882114 - Method of continuous extraction of crude wax and apparatus therefor

Office United States of America
Application Number 08776198
Application Date 30.01.1997
Publication Number 5882114
Publication Date 16.03.1999
Grant Number 5882114
Grant Date 16.03.1999
Publication Kind A
IPC
B01F 7/08
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
08with helices
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
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 7/02
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
C11B 1/00
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
1Production of fats or fatty oils from raw materials
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 Fukuyo Kazumi
Fujimura Kouji
Fusano Toshiharu
Agents Fisher, Christen & Sabol
Priority Data 07170347 13.06.1995 JP
Title
(EN) Method of continuous extraction of crude wax and apparatus therefor
Abstract
(EN)

A method and an apparatus for continuously extracting a wax component contained in a solid residue with a solvent, in which method, the solid residue obtained from the juice of sugar cane is used as a raw material. To make the extraction time uniform and to obtain the wax at a high efficiency of extraction, the solid residue and an organic solvent for extraction are mixed under shear force and agitated in directions perpendicular to the flow direction. The mixing is conducted under an agitated flow condition so as to form a substantially plug flow in the flow direction.