PT93998A - Processo para a recuperacao de valores minerais por flutuacao em espuma - Google Patents

Processo para a recuperacao de valores minerais por flutuacao em espuma

Info

Publication number
PT93998A
PT93998A PT9399890A PT9399890A PT93998A PT 93998 A PT93998 A PT 93998A PT 9399890 A PT9399890 A PT 9399890A PT 9399890 A PT9399890 A PT 9399890A PT 93998 A PT93998 A PT 93998A
Authority
PT
Portugal
Prior art keywords
recovery
flotation
valuable minerals
foam flotation
valuable
Prior art date
Application number
PT9399890A
Other languages
English (en)
Other versions
PT93998B (pt
Inventor
Richard Robert Klimpel
Robert Douglas Hansel
Donald Eugene Leonard
Basil Stewart Fee
Original Assignee
Dow Chemical Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Priority to PT9399890A priority Critical patent/PT93998B/pt
Publication of PT93998A publication Critical patent/PT93998A/pt
Publication of PT93998B publication Critical patent/PT93998B/pt

Links

Landscapes

  • Manufacture And Refinement Of Metals (AREA)
PT9399890A 1990-05-10 1990-05-10 Processo para a recuperacao de valores minerais por flutuacao em espuma PT93998B (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PT9399890A PT93998B (pt) 1990-05-10 1990-05-10 Processo para a recuperacao de valores minerais por flutuacao em espuma

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT9399890A PT93998B (pt) 1990-05-10 1990-05-10 Processo para a recuperacao de valores minerais por flutuacao em espuma

Publications (2)

Publication Number Publication Date
PT93998A true PT93998A (pt) 1991-11-29
PT93998B PT93998B (pt) 1998-07-31

Family

ID=20084729

Family Applications (1)

Application Number Title Priority Date Filing Date
PT9399890A PT93998B (pt) 1990-05-10 1990-05-10 Processo para a recuperacao de valores minerais por flutuacao em espuma

Country Status (1)

Country Link
PT (1) PT93998B (pt)

Also Published As

Publication number Publication date
PT93998B (pt) 1998-07-31

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Legal Events

Date Code Title Description
BB1A Laying open of patent application

Effective date: 19910408

FG3A Patent granted, date of granting

Effective date: 19980402

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19991031