Metallurgical processes

Gabbs Metallurgical Test Work Achieves Average Recoveries of 97.2% for Gold and 95.2% for Copper in Sullivan Oxide Zone

Retrieved on: 
Wednesday, August 4, 2021
Metallurgical processes, Chemistry, Physical sciences, Natural sciences, Heap leaching, Gabbs, Nevada, Copper extraction, Copper

Gabbs is located on the Walker-Lane Trend in west-central Nevada approximately 145 miles by paved road from Reno, Nevada.

Key Points: 
  • Gabbs is located on the Walker-Lane Trend in west-central Nevada approximately 145 miles by paved road from Reno, Nevada.
  • The Phase One Metallurgical Program included testing for the potential recoveries of copper and gold from oxide mineralization by sequential leach using heap leach or conventional milling.
  • The test work showed that gold and copper can be recovered by both process options, with extractions averaging 97.2% for gold and 95.2% for copper when the sample is ground to 100 microns.
  • P2s Phase One Metallurgical Program focused on the oxide mineralization as the current Inferred Mineral Resource for Gabbs assumes zero recovery of oxide copper mineralization.

Aqua Metals Announces Successful Completion of 3rd Generation Aqualyzer

Retrieved on: 
Tuesday, August 3, 2021
Musical groups, Metallurgical processes, Refining, Metal, Aqua, Recycling, Articles, Musicians

MCCARRAN, Nev., Aug. 03, 2021 (GLOBE NEWSWIRE) -- Aqua Metals, Inc. (NASDAQ: AQMS) (“Aqua Metals” or the “Company”), which is reinventing lead recycling with its AquaRefining™ technology, announced it has completed its V1.5 Aqualyzer program just six months after completing V1.25. This latest Aqualyzer configuration has now achieved lead production that is over 300% greater than the V1.0 Aqualyzer deployed at the AquaRefinery during commercial production in 2018 and 2019.

Key Points: 
  • MCCARRAN, Nev., Aug. 03, 2021 (GLOBE NEWSWIRE) -- Aqua Metals, Inc. (NASDAQ: AQMS) (Aqua Metals or the Company), which is reinventing lead recycling with its AquaRefining technology, announced it has completed its V1.5 Aqualyzer program just six months after completing V1.25.
  • This third iteration of our Aqualyzer further demonstrates Aqua Metals ability to continually improve the economic value proposition of AquaRefining.
  • Aqua Metals, Inc. (NASDAQ: AQMS) is reinventing metals recycling with its patented hydrometallurgical AquaRefining technology.
  • Aqua Metals cautions readers not to place undue reliance on any forward-looking statements.

Aqua Metals to Receive Final $5.25M Insurance Payment; Total Collections Reach $30.25M

Retrieved on: 
Thursday, July 29, 2021
Musical groups, Metallurgical processes, Water conservation, Aqua, Refining, Insurance, Metal, Recycling, Articles, Musicians

MCCARRAN, Nev., July 29, 2021 (GLOBE NEWSWIRE) -- Aqua Metals, Inc. (NASDAQ: AQMS) ("Aqua Metals" or the "Company"), which is reinventing metals recycling with its AquaRefining technology, today announced its final insurance payment of $5.25 million.

Key Points: 
  • MCCARRAN, Nev., July 29, 2021 (GLOBE NEWSWIRE) -- Aqua Metals, Inc. (NASDAQ: AQMS) ("Aqua Metals" or the "Company"), which is reinventing metals recycling with its AquaRefining technology, today announced its final insurance payment of $5.25 million.
  • The Company has now collected or secured a total of $30.25 million of insurance proceeds related to the November 2019 fire event.
  • The total insurance payments received of $30.25 million is a very positive result for Aqua Metals and is in line with our expectations.
  • Aqua Metals, Inc. (NASDAQ: AQMS) is reinventing metals recycling with its patented hydrometallurgical AquaRefining technology.

Chesapeake Announces Strong PEA Results for Phase 1 Heap Leach Mine at Metates with Pre-Tax NPV of US$1.1 Billion (C$1.4 Billion) and 35% IRR

Retrieved on: 
Monday, July 26, 2021
Metallurgical processes, Heap leaching, Metate

The PEA has identified additional opportunities that could further reduce the risk profile and advance the sulphide heap leach project at Metates to the PFS and permitting stage.

Key Points: 
  • The PEA has identified additional opportunities that could further reduce the risk profile and advance the sulphide heap leach project at Metates to the PFS and permitting stage.
  • Further evaluate the layout, location and staged permanent leach pad closer to the oxidation pad.
  • Chesapeake Gold Corp. is focused on the discovery, acquisition and development of major gold-silver deposits in North and South America.
  • Forward-looking statements are based on the expectations and opinions of the Company's management on the date the statements are made.

Aqua Metals Announces Schedule for Second Quarter Financial Results

Retrieved on: 
Thursday, July 22, 2021
Water conservation, Metallurgical processes, Refining, Recycling, NASDAQ, Metal, Conference call, Articles, Finance, Economy

MCCARRAN, Nev., July 22, 2021 (GLOBE NEWSWIRE) -- Aqua Metals, Inc. (NASDAQ:AQMS) ("Aqua Metals" or the "Company"), which is reinventing metals recycling with its AquaRefining technology, will report financial results for the second quarter ended June 30, 2021 after the United States financial markets close on Thursday, July 29, 2021.

Key Points: 
  • MCCARRAN, Nev., July 22, 2021 (GLOBE NEWSWIRE) -- Aqua Metals, Inc. (NASDAQ:AQMS) ("Aqua Metals" or the "Company"), which is reinventing metals recycling with its AquaRefining technology, will report financial results for the second quarter ended June 30, 2021 after the United States financial markets close on Thursday, July 29, 2021.
  • The Company will conduct a conference call to discuss results the same day at 4:30 p.m. Eastern Daylight Time.
  • The conference call may be accessed by dialing: (833) 579-0902 or (778) 560-2608 for international callers and referencing conference ID:9895125.
  • Aqua Metals, Inc. (NASDAQ: AQMS) is reinventing metals recycling with its patented hydrometallurgical AquaRefining technology.

Kamoa-Kakula Begins Exporting Copper Concentrate Internationally as Production Ramps Up

Retrieved on: 
Monday, July 19, 2021
Chemistry, Physical sciences, Natural sciences, Metallurgical processes, Smelting, Copper extraction, Copper, Kolwezi

Kamoa-Kakula's copper concentrate for export is being transported in bags, with each bag containing approximately two tonnes of concentrate.

Key Points: 
  • Kamoa-Kakula's copper concentrate for export is being transported in bags, with each bag containing approximately two tonnes of concentrate.
  • Kamoa Copper began producing copper concentrate on May 25, 2021, and made its first delivery of bulk concentrates to the nearby Lualaba Copper Smelter, outside of Kolwezi, on June 1, 2021.
  • Kamoa Copper received all necessary authorizations from the DRC government to export copper concentrate and blister copper on June 8, 2021.
  • To view an enhanced version of this graphic, please visit:
    Loading bulk copper concentrate for delivery to the nearby Lualaba Copper Smelter to produce blister copper ingots, containing approximately 99% copper.

Newcore Gold Announces 94.7% Gold Recoveries in Column Testwork for the Sewum and Boin Deposits at the Enchi Gold Project, Ghana

Retrieved on: 
Thursday, July 15, 2021
Chemical elements, Chemistry, Physical sciences, Metallurgical processes, Heap leaching, Gold

3.A base cut-off grade of 0.2 g/t Au was used with a capping of gold grades varied by deposit and zone.

Key Points: 
  • 3.A base cut-off grade of 0.2 g/t Au was used with a capping of gold grades varied by deposit and zone.
  • 4.A US$1,650/ounce gold price, open pit with heap leach operation was used to determine the cut-off grade of 0.2 g/t Au.
  • 6.A density of 2.20 g/cm3 for oxide, 2.45 g/cm3 for transition, and 2.70 g/cm3 for fresh rock was applied.
  • This news release includes statements that contain "forward-looking information" within the meaning of the applicable Canadian securities legislation ("forward-looking statements").

Newcore Gold Files Technical Report for the Updated Preliminary Economic Assessment for the Enchi Gold Project, Ghana

Retrieved on: 
Tuesday, July 13, 2021
Chemical elements, Chemistry, Physical sciences, Metallurgical processes, Gold, Heap leaching, Enchi

A base cut-off grade of 0.2 g/t Au was used with a capping of gold grades varied by deposit and zone.

Key Points: 
  • A base cut-off grade of 0.2 g/t Au was used with a capping of gold grades varied by deposit and zone.
  • A US$1,650/ounce gold price, open pit with heap leach operation was used to determine the cut-off grade of 0.2 g/t Au.
  • A density of 2.20 g/cm3 for oxide, 2.45 g/cm3 for transition, and 2.70 g/cm3 for fresh rock was applied.
  • These numbers are from the technical report titled "Preliminary Economic Assessment for the Enchi Gold Project, Enchi, Ghana", with an effective date of June 8, 2021, prepared by Todd McCracken, P. Geo.

Tombstone Exploration Corporation Announces Production Has Started at the Bonanza Harquahala Mine

Retrieved on: 
Tuesday, July 13, 2021
Leaching, Metallurgical processes

First results have been received from production in June that started at the Bonanza Harquahala Mine.

Key Points: 
  • First results have been received from production in June that started at the Bonanza Harquahala Mine.
  • The leaching commenced at the Bonanza Harquahala Mine on June 3, 2021 when pH levels increased to allow for safe sustained leaching.
  • Bonanza will continue to move forward with production with ounce production expected to increase as we perfect the leach process over the upcoming months.
  • Tombstone Exploration Corporation is a gold, silver and copper exploration & mining company based in Phoenix, Arizona.

Nicola Mining Inc. Commences Mill Processing to Become Canada's Newest Gold - Silver Producer[1]

Retrieved on: 
Friday, July 9, 2021
Metallurgical processes, Economic sectors, Froth flotation, Economy, Secondary sector of the economy, Mining, Tailings

The Company looks forward to providing an update on the 10,000-tonne bulk sample permit application in a subsequent news release.

Key Points: 
  • The Company looks forward to providing an update on the 10,000-tonne bulk sample permit application in a subsequent news release.
  • Frank Hogel, Chairman of Nicola, commented, "Behind the scenes, it has been an incredible amount of work to commence production.
  • Nicola Mining Inc. is a junior mining company listed on the TSX Venture and Frankfurt Exchanges that maintains a 100% owned mill and tailings facility, located near Merritt, British Columbia.
  • The fully-permitted mill can process both gold and silver mill feed via gravity and flotation processes.