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WO2016004431A3 - Improved process for recovering precious metals from clay-containing ores - Google Patents

Improved process for recovering precious metals from clay-containing ores Download PDF

Info

Publication number
WO2016004431A3
WO2016004431A3 PCT/US2015/039223 US2015039223W WO2016004431A3 WO 2016004431 A3 WO2016004431 A3 WO 2016004431A3 US 2015039223 W US2015039223 W US 2015039223W WO 2016004431 A3 WO2016004431 A3 WO 2016004431A3
Authority
WO
WIPO (PCT)
Prior art keywords
clay
precious metals
improved process
containing ores
recovering precious
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/US2015/039223
Other languages
French (fr)
Other versions
WO2016004431A2 (en
WO2016004431A9 (en
Inventor
Charles F. Palmer, Jr.
John W. MCKIERNAN
Charles F. PALMER, III
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ethox Chemicals LLC
Original Assignee
Ethox Chemicals LLC
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 Ethox Chemicals LLC filed Critical Ethox Chemicals LLC
Publication of WO2016004431A2 publication Critical patent/WO2016004431A2/en
Publication of WO2016004431A9 publication Critical patent/WO2016004431A9/en
Publication of WO2016004431A3 publication Critical patent/WO2016004431A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00—Obtaining noble metals
    • C22B11/08—Obtaining noble metals by cyaniding

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

A solution for leaching precious metals from clay containing ore and a method of leaching ore is described. The solution comprises a cyanide, a wetting agent, and a clay stabilizing polymer. In a first embodiment a solution for leaching precious metals from clay containing ore comprises cyanide, a wetting agent, and a clay stabilizing polymer with a pH of at least 8 to no more than 11.
PCT/US2015/039223 2014-07-03 2015-07-06 Improved process for recovering precious metals from clay-containing ores Ceased WO2016004431A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201462020976P 2014-07-03 2014-07-03
US201462020816P 2014-07-03 2014-07-03
US62/020,976 2014-07-03
US62/020,816 2014-07-03

Publications (3)

Publication Number Publication Date
WO2016004431A2 WO2016004431A2 (en) 2016-01-07
WO2016004431A9 WO2016004431A9 (en) 2016-03-10
WO2016004431A3 true WO2016004431A3 (en) 2016-04-21

Family

ID=55020107

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2015/039223 Ceased WO2016004431A2 (en) 2014-07-03 2015-07-06 Improved process for recovering precious metals from clay-containing ores

Country Status (1)

Country Link
WO (1) WO2016004431A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180079986A1 (en) * 2016-09-20 2018-03-22 Ethox Chemicals, Llc Non-Chlorinated Alkoxylated Alcohol Phosphate for Metal Working
CN109554171A (en) * 2018-12-21 2019-04-02 中国石油集团渤海钻探工程有限公司 Environment-friendlysticky sticky soil stabilizer
CN109679642A (en) * 2018-12-21 2019-04-26 中国石油集团渤海钻探工程有限公司 Environmentally friendly clay stabilizer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5332559A (en) * 1991-07-10 1994-07-26 Newmont Gold Co. Biooxidation process for recovery of metal values from sulphur-containing ore materials
US20080172937A1 (en) * 2007-01-24 2008-07-24 Charles Francis Palmer Method for improving the water transport characteristics of hydrophobic surfaces

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5332559A (en) * 1991-07-10 1994-07-26 Newmont Gold Co. Biooxidation process for recovery of metal values from sulphur-containing ore materials
US20080172937A1 (en) * 2007-01-24 2008-07-24 Charles Francis Palmer Method for improving the water transport characteristics of hydrophobic surfaces

Also Published As

Publication number Publication date
WO2016004431A2 (en) 2016-01-07
WO2016004431A9 (en) 2016-03-10

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