Froth flotation of mineral ores (USH0000871)
Permalink
Bookmark
Share
Twitter
Digg
Reddit
Facebook
Stumbleupon
Del.icio.us| IP.com Number | IPCOM000000866D |
|
|
|---|---|---|---|
| Dated | Jan 1, 1991 UTC | ||
| Size | 9 page(s) (0.84 MB) | ||
| Disclosed by |
|
||
Publication Summary
A process for the froth flotation beneficiation and separation of molybdenite from copper mining by-product is disclosed.| Country | United States |
|---|---|
| Language | English (United States) |
| Related Person(s) |
(OWNER) BP America Inc. (INVENTOR) Chin, Ti-Hua (ATTORNEY) Esposito, Michael F. (ATTORNEY) Untener, David J. (ATTORNEY) Evans, Larry W. |
| Related Document(s) |
(PATENT) USH000871
(PATENT) US04347126 (PATENT) US04347127 (PATENT) US04424123 (PATENT) US04514291 (PATENT) US04605494 (PATENT) US04650567 (PATAPP) US07/314443 |
About this Publication
This document was submitted to IP.com's Prior Art Database and this preview is designed to provide you with information regarding the contents of this document by displaying up to the first four pages of the document as scaled page renderings and displaying a limited amount of text which was extracted from the document on the Text Preview Tab.
To find out more on how to obtain the entire document, click the Download tab. There is a charge for downloading some Prior Art Database documents; please examine carefully whether you believe this document fills your needs before purchasing.
For more information about the Prior Art Database, visit the Learn section of this website. Thank you for visiting IP.com's Prior Art Database! You may wish to check out our Intellectual Property Library website before you leave.
|
United States Patent |
USH0000871 |
|
Chin |
January 1, 1991 |
Froth flotation of mineral ores
Abstract
A process for the froth flotation beneficiation and separation of molybdenite from copper mining by-product is disclosed.
|
Inventors: |
Chin; Ti-Hua (Voorhees, NJ) |
|
Assignee: |
BP America Inc. (Cleveland, OH) |
|
Appl. No.: |
07/314,443 |
|
Filed: |
February 23, 1989 |
|
Current U.S. Class: |
209/166 ; 209/164; 209/168; 209/169; 209/170 |
|
Current International Class: |
B03D 1/14 (20060101); B03D 1/02 (20060101); B03D 1/00 (20060101); B03D 001/14 () |
|
Field of Search: |
209/168,169,170,164 |
References Cited
U.S. Patent Documents
|
|
|
|
|
4347126 |
August 1982 |
McGarry |
|
4347127 |
August 1982 |
Duttera |
|
4424123 |
January 1984 |
Parlman |
|
4514291 |
April 1985 |
McGarry et al. |
|
4605494 |
August 1986 |
Burgess |
|
4650567 |
March 1987 |
McGarry |
|
|
|
|
Primary Examiner: Lovering; Richard D.
Assistant Examiner: Covert; John M.
Attorney, Agent or Firm:
Esposito; Michael F. Untener; David J. Evans; Larry W.
Claims
I claim:
1. A method for froth flotation beneficiation and separation of molybdenite
particles from a molybdenite concentrate containing impurities, said method
comprising the steps of:
(i) spraying a pulp of said molybdenite concentrate through at least one
primary spray nozzle onto a liquid surface to create a froth on the surface in
which a quantity of molybdenite particles is floating, while a quantity of
particulate materials including impurities and molybdenite particles sink in
the liquid; and
(ii) removing the froth from the liquid surface.
2. The method of claim 1 wherein said pulp of said molybdenite concentrate is
conditioned with a frothing agent and a collector.
3. The method of claim 1 wherein the sinking particulate materials from the
spray of said primary spray nozzle are collected and resprayed onto said liquid
surface through a recycle spray nozzle whereby at least a portion of the
recycled material floats as a froth containing molybdenite particles on the
liquid surface.
4. The method of claim 1 wherein said primary spray nozzle is a spiral,
open-flow spray nozzle.
5. The method of claim 3 wherein said recycle spray nozzle is a spiral,
open-flow spray nozzle.
6. The method of claim 1 wherein said spraying of said pulp of molybdenite
concentrate through at least one primary spray nozzle is carried out at a
pressure of from about 5 to about 40 psi.
7. A method for the froth flotation beneficiation and separation of molybdenite
from a molybdenite concentrate containing impurities, said method comprising
the steps of:
(i) spraying a pulp of said molybdenite concentrate through at least primary
spray nozzle onto a liquid surface to create a froth on the surface in which a
quantity of molybdenite is floating;
(ii) collecting sinking materials from the spray of said primary nozzle and
respraying said collected materials through a recycle spray nozzle onto said
liquid surface whereby at least a portion of the recycled materials floats as a
froth on the liquid surface; an...