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Archive for the ‘acid mine drainage’ Category

Flexible Evaporation Solutions

Walked around the exhibit hall at the Denver SME convention.  Chatted to old friends and met new people–and learnt of new products. Suddenly my mind was cast back to my days as a kid on the East Geduld Mine in South Africa where we grew up.  The area was arid; there were no natural water bodies within two-hundred miles.  One of our favorite places was the mine’s evaporation ponds.  On our rickety bicycles we would break through the flimsy security gate and spend hours around the ponds.  They were magic: a wonderland of color and water.  Better than those fountains at the Bellagio in Las Vegas. (more…)

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This week I had reason to go back and re-read three papers I co-authored in the early 1980s.  It is surprising how far advanced we were then, and how little things have changed, or how little of what did has become standard practice. The first paper is at this link.  Rick Call was the lead on the work we describe in this paper.  He was a large buff man, with an enormous beard, a perpetual pipe, and a totally irreverent attitude towards authority.  He sent Ned Larson and me to Texas, where we sweated through the heat to get the data.  Then back to Tucson to do the calculations.  I recently reconnected with Ned who is now in Las Vegas and the grandfather of sixteen grandchildren.  He is still with the U.S. Department of Energy which he joined after working with me for five years on the UMTRA Project in Albuquerque.  He is a great engineer, as was Rick. (more…)

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Here is the outfall of the Pebble Mine and Mt Polley Mine debacles.  A report on the Seabridge Gold’s KSM Mine in BC.  The report is authored by Salmon Beyond Borders, a coalition of Alaska Native tribal members, commercial, sport and subsistence fishermen, and other groups, in consultation with Earthworks.  The press release is at this link.  The full report is at this link.  Here from the press release on the five key risks associated with the mine: (more…)

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Today we completed a three-day EduMine webcast on  Mine Water Management.  Some thirty people from all over the world joined in.  Maybe you can join us next time we do this.  But for now, here are a few ideas on research opportunities in mine water management that came up during discussions. (more…)

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This year I have visited at least sixteen tailings facilities from the far north of Canada to the far south of Chile.  Mainly I was there to see about the state, safety, and ongoing operation of the facilities.  But along the way I had an incredible opportunity to observe and photograph mine water management facilities and systems. In next week’s EduMine webcast on Mine Water Management, I will have a chance to distill these many observations into a coherent whole.  So come join us in the webcast next Tuesday, Wednesday, and Thursday.  But three hours a day each morning and I will update you on the many systems, practices, components, and ideas I have gleaned from these trips and observations.  Many new case histories courtesy of the mines I visited. (more…)

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Spent this past week in Quebec looking at mines.   This brought us to Rouyn-Noranda and food at Bistro Jezz.

The food at this little place on a quiet side-street is magnificent: the best I have tasted in many a year of travel to distant mines.

Take a special trip to this restaurant if you seek and relish good food.  Subtle flavours, beautiful presentation, unusual dishes.  Words cannot capture the beauty of fine food in a simple setting.

Here are some photos from this trip.

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Here is a new document from the US EPA on treating mine-affected waters.  Free to download at this link and worth so doing. The document is titled:  Reference Guide to Treatment Technologies for Mining-Influenced Water (EPA 505-F-12-001). (more…)

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