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Archive for the ‘Environment’ Category

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A bit of self promotion.  There is still time to sign up and join us next Tuesday, Wednesday, and Thursday mornings (PST) for the EduMine course on Mine Waste Management and Treatment.  See this link for details.

This is an entirely new course–none of the materials we will present have been presented before.  The reason this is new and important are the presenters:

Jack Caldwell will focus on the engineering side of water management, discussing available state-of-the-art technologies and appropriate management systems for advanced mine water management from design through closure, including a renewed focus on risk assessment and decision making. David Kratochvil and Patrick Littlejohn of BioteQ will address recent advances in processing and treating water for mine uses, mine reuse, and discharge.

In particular this is the first time that David and Patrick are presenting an EduMine webcast.   I have known them both for many years and have become more and more impressed by their knowledge, skills, and ability.  I just had to get them with me onto an EduMine course.  I know that what they present will be state-of-the art, practical, and relevant.

We will deal with the new ICMM guidelines on mine water management, on limiting water use on mines, on treating water to recycle water, and preparing water for discharge in accordance with more stringent regulations.  We will discuss the best papers of the past year in InfoMine and other conference on mine water management & treatment.  In short we aim to bring you up-to-date with the best, newest, and most practical approaches to making your mine use less water, use water wisely, and reduce the increasing cost of water and it use.

All three of us stand ready to talk with you about the course before the course if you like.  Contact me at jcaldwell@infomine.com and I will direct you as appropriate to David or Patrick.  In fact if you have special issues, join us, let us know of your specific interest, and we will address them in the course.

See you there.

 

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As a US taxpayer I am at loss to understand how $1 million dollars can be sent to Peru to deal with illegal mining.  Here is a link to one report on the US taxpayer-funded largesse.  The report notes:

The U.S. Department of State awarded US$1 million to the Blacksmith Institute to work with Peru’s Ministry of Environment (Minam) to reduce the use of mercury and design remediation plans in Madre de Dios and Puno, it was announced today.

The United States believes it is crucial to support the Peruvian government strategy to combat illegal mining and reduce mercury use in artisanal and small-scale gold mining.

Where is the Tea Party when we need them?   Have they nothing to say about this blatant waste of money to support a lousy government unable to manage it own affairs?  The only explanation I can come up with is that somebody related to somebody or indebted to somebody has managed to arrange this and is being paid a considerable percentage of the funds.  Smells rank & corrupt to me. (more…)

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A rare victory for the mining industry:  the Chilean Environmental Court has ruled that the Pascua Lama mining project has not affected the glaciers in the vicinity of the mine. (more…)

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Here is the link to the new report Lower Athabasca Region Tailings Management Framework for the Mineable Athabasca Oil Sands.  In some fifty pages it sets out a new way of dealings with oil sands tailings.  Lots of detail yet not much detail. The document sets itself these goals: (more…)

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UtilityDIVE reports at this link as follows:

Duke Energy reported its Q4 2014 earnings this week and company officials say it is preparing to pay a $100 million fine to settle the ongoing investigation into a coal ash spill into the Dan River in North Carolina.

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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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