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Mine Exploration Forum

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Author Mine water clean up.
rufenig

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Joined: 18/03/2008
Location: Shropshire Hills

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Mine water clean up.
Posted: 02/05/2018 16:49:21
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'Staggering' clean-up of river polluted by metal mine
A pilot scheme to clean rivers polluted by abandoned metal mines has delivered "staggering" results, environment officials have claimed.

(Here's the interesting bit!)
The three-month trial - which cost approximately £90,000 ! Sad
http://www.bbc.co.uk/news/uk-wales-43961898
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D.Send

Joined: 12/04/2016

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Posted: 02/05/2018 21:33:04
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Hi,
Biochar is a modern form of charcoal. Numerous recent studies (published by the International Biochar Initiative) have proven that cheap activated biochar filters remove a large percentage of heavy metal pollutants from watercourses draining orebodies, mines and spoilheaps.
The filters are just coming to market, and webinars on the subject can be viewed on the IBI website.
Biochar also removes many other forms of pollution too.
Regards,
D.Send.
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droid

Joined: 31/10/2010
Location: Tamworth

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Posted: 04/05/2018 04:42:48
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What's the difference between 'biochar' and ordinary charcoal?
IP: 80.189.43.45
D.Send

Joined: 12/04/2016

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Posted: 04/05/2018 06:03:57
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Hi Droid,
There are as many different types of charcoal as there are plants to make it from, each with a specific chemistry. Just think about the vast range of fruits, nuts, vegetables and herbal medicines available, and that is only those we swallow!
Biochar is carefully heated under strict conditions which vary according to the feedstock, to produce a very wide range of non-toxic Biochars. These in turn can be 'activated' by the incorporation of specific additives so as to be even more effective in filtering targetted pollutants.
Take a look at BIOCHAR on Wikipedia for more info.
Hope this helps,
D.Send.
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droid

Joined: 31/10/2010
Location: Tamworth

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Posted: 05/05/2018 04:04:40
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It doesn't. You haven't given any specific information.

Try again. Laugh
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John Mason

Joined: 22/09/2008

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Posted: 05/05/2018 17:38:27
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For a colourful explanation of what Si Hughes and I did at Cwmrheidol in the early 1990s, the trail starts here:

http://www.geologywales.co.uk/cwmrheidol.htm

Possibly the single most important job we did in those years. That dam would not have taken any pressure at all to simply fail. Also the filthiest job. At some point I must upgrade this page with larger images, but you get the impression...
IP: 109.150.33.240
John Lawson

Joined: 09/12/2010
Location: Castle Douglas Dumfries & Galloway

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Posted: 05/05/2018 20:59:58
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John I had not realised what effort, had already been carried out into trying to clean up mine effluent.
You certainly made an impressive start.
Well done!
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J25GTi

Joined: 09/06/2012

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Posted: 06/05/2018 09:44:59
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Not been around for ages so not been on here, but this is interesting, actually now I work for a company who installs filtration, pumping, monitoring etc plants for all kinds of people.

We are also looking at some sites with the EA for something similar at the moment
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D.Send

Joined: 12/04/2016

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Posted: 07/05/2018 05:35:15
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Hi Droid,
Exactly what specific Biochar information are you looking for ?
Regards,
D.Send.
IP: 83.115.171.189
christwigg

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Joined: 20/02/2008
Location: Cleveland / North Yorkshire

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Posted: 07/05/2018 07:45:58
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http://www.biofuelsdigest.com/bdigest/2016/10/11/an-overview-of-the-current-biochar-and-activated-carbon-markets/

More than you'll ever need to know about the difference between activated carbon, charcoal and biochar.
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droid

Joined: 31/10/2010
Location: Tamworth

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Posted: 07/05/2018 12:33:41
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Thank you Chris.

That piece confirms my suspicions that biochar would not be a suitable resource for remediation of mine effluent.
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D.Send

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Posted: 07/05/2018 17:16:26
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Hi,
Christwig's posting is very helpful, but the expert opinion given does not fully take into consideration all the recent studies done on 'activated' biochar, which are printed in the International Biochar Initiatives' monthly newsletter.
Such studies do not yet specifically mention mine effluents, but recent international meetings have dealt with depollluting storm waters and remediating spoil sites. And if activated biochar filters are efficient in removing heavy metal ions from such waterways then there should be no problem with mine effluents. As the expert mentioned, funding for biochar research is still limited, compared to that for activated carbon, which is his speciality...
Biochar studies would advance far faster if carbon credits were better allocated. But Biochar research is done by world experts on soil and drainage, and markets are developing, especially in the USA and China... and should soon hit Europe. Biochar filters are cheaper than activated carbon ones.
D.Send.
(Not financially linked to the biochar industry !)
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Morlock

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Joined: 31/07/2008

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Posted: 07/05/2018 17:49:24
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D.Send wrote:


Biochar studies would advance far faster if carbon credits were better allocated.


Carbon Credits are just a part of the Global Warming/Climate Change scam!Angry
IP: 86.180.171.44
John Mason

Joined: 22/09/2008

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Posted: 08/05/2018 00:55:11
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That depends on whether you believe in the laws of physics or what is printed in the Daily Mail! IP: 109.150.33.240
Morlock

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Joined: 31/07/2008

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Posted: 08/05/2018 02:02:47
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John Mason wrote:

That depends on whether you believe in the laws of physics or what is printed in the Daily Mail!


I do believe in the laws of physics but, after the "Hockey Stick Graph" debacle and the subsequent revision of global warming to climate change it seems obvious that all the 'peer reviewed' research has only one purpose which is to mislead the more gullible green keyboard warriors. It is also a very lucrative pursuit for Governments and those on the 'peer reviewed' research grant bandwagon!

The company I worked for actually bought 'carbon credits' from underdeveloped countries to offset their own carbon emissions, it had no logical basis as a means of global carbon emission reduction?

IP: 86.180.171.44 Edited: 08/05/2018 02:16:42 by Morlock
D.Send

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Posted: 08/05/2018 06:36:26
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Hi,
'Global warming' was altered to 'Climate Change' when sufficient scientific evidence showed that the former gave rise to the latter.
This was no 'hockeystick' question at all.

It is true that many companies cheat by receiving carbon credits which do not conform to the spirit of the rules...

As for the scientist's research grant bandwagon', this is insignificant compared to the lucrative grants given to fossil fuel companies !

I know from experience that much research done on Biochar came from donations to charitable organisations who do the work without grant aid... Without such people mankind would be back into a feudal system of government by rich clans !

Our planet is very fragile, and, to quote, 'The Universe is laughing behind man's back', so we need green solutions to the errors of the Industrial Revolution, which, don't forget it, was driven by Mine Pumping Engines ...

Regards,
D.Send.
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John Mason

Joined: 22/09/2008

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Posted: 08/05/2018 07:38:04
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Morlock wrote:



I do believe in the laws of physics but, after the "Hockey Stick Graph" debacle and the subsequent revision of global warming to climate change it seems obvious that all the 'peer reviewed' research has only one purpose which is to mislead the more gullible green keyboard warriors.



1) why would one graph published in 1998 make you reject an entire mountain of evidence that has been written up and presented, beginning in the 1820s?

2) global warming and climate change have been used interchangeably for many decades. For example, one of the most important papers on the topic was Gilbert Plass (1956) "The Carbon Dioxide Theory of Climatic Change". However, it is more accurate to view global warming (or indeed cooling) as causes of climate change - warm or cool the planet and its climate will change, but in different ways. This we see in the responses of the climate to glaciation and deglaciation during the Quaternary.

Sorry, but it grates on me a little when people simply repeat myths like these, without going to the trouble of checking their accuracy (or lack of).

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royfellows

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Joined: 13/06/2007
Location: Great Wyrley near Walsall

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Posted: 08/05/2018 15:38:05
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We're off.

I knew Morlock's post would lead to this, so all, can we give it a rest please.
My views on this are very well known, but I keep them off aditnow.
Flowers

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"You are not consumers, you are the product" Google and Facebook, Masters of the Universe
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John Mason

Joined: 22/09/2008

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Posted: 08/05/2018 15:49:42
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Fair enough, Roy. I can agree to differ! IP: 109.150.33.240
Morlock

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Posted: 08/05/2018 16:02:15
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John Mason wrote:

Fair enough, Roy. I can agree to differ!


And me.Flowers
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