History of Innovation

2018
January 2018

Mission updated to provide clean technology solutions for environmental stewardship, metal recovery, energy efficiency and waste water treatment. The emew brand now an acronym for Environment, Metals, Energy, Water.

2017
Restructuring completed and name changed to the emew Group

In January, restructuring completed and name changed to the emew Group. Scope is broadened to include environmental remediation, fluid treatment and metal production. The group now consists of companies in Australia, Canada, US, India and Cyprus serving customers globally. Waverton owns 100% of the equity of all of these companies.

emew electrowinning

 

 

2016
Partnership agreement with Hasky

In October enters into partnership agreement with Changsha Hasky Environmental Protection Science & Technology Development Co., Ltd. (Hasky) to sell emew vortex technology in China and Hasky technologies internationally.

 

 

 

2015
Expansion into waste water treatment

Expansion into wastewater treatment with the installation of the first hybrid emew technology for semiconductor plant wastewater – chemical destruction, low concentration copper and copper cathode production.

emew beyond electrowinning

 

 

 

2014
Global headquarters moved to Canada

Global headquarters moved to Canada and restructuring begins.

2013
Removes silver from solution to 2ppm

The company develops the first emew polish plant in India for an existing silver customer – removes silver from solution to 2ppm and eliminates the requirement for silver chloride precipitation.

Silver Production

 

 

 

2011
Tin recovery

Broadened technology for commercial tin recovery. First emew tin plant installed in USA.

tin production

 

 

 

2009
Copper-arsenide removal

First emew copper-arsenide removal from refinery bleed.

2008
9999 silver

First emew silver powder plant – 9999 silver for major refinery for 500kg per day.

electrowinning powder

 

 

 

2007
First emew plant on refinery bleed

First emew plant on refinery bleed in USA.

 

 

 

 

2006
New generation emew copper plants

Start up of 2 new generation emew copper plants in USA.

 

 

 

 

2004
Silver recovery

Further innovation for silver recovery from cyanide solutions with first plant in Australia.

emew silver powder

 

 

 

 

2004
Waverton Holdings Limited invests in Electrometals

Waverton Holdings Limited invests in Electrometals purchasing 15% of the company which eventually increases to 100% ownership, and invests a further $10m developing the various emew technologies over the next 12 years.

2001
First combination emew vortex and powder plant

First combination emew vortex and powder plant installed in Chile. One of the largest applications at the time and is still operating successfully.

 

 

 

 

2000
Invented metal powder technology for automated harvesting

Invented metal powder technology for automated harvesting and filed Patent W0 01/07684 A2 Electrometals Technologies Limited.

 

 

 

1999
Broaden from copper to nickel

Technology and know-how further developed to broaden from copper to nickel with installation of the first emew nickel plant in USA.

 

 

 

1996
Several Improvement patents granted

Several Improvement patents granted including for example WO94/02663 and WO96/38602 – for membranes and split sleeve for harvesting etc.

1994
Intellectual Property purchased

Intellectual Property purchased by Euralba Mining. Patrick Treasure, the Managing Director at the time, named the technology EMEW after Euralba Mining ElectroWinning. Later Euralba Mining was purchased by Electrometals Technologies Limited.

1992
Vortex technology invented in Australia

The original patent was filed by Materials Research Pty Ltd on behalf of the inventors Neil Barr, Robert Dedenus and Patrick Treasure. International Patent No PCT/AU92/00052. This is the first patent for vortex technology filed anywhere in the world.