[ RadSafe ] NY Times - Fukushima Keeps Fighting Radioactive Tide 5 Years After Disaster

[Dan McCarn]

Of course you may!

Best regards - hope you are well and happy!



Dan ii

Dan W McCarn, Geologist
108 Sherwood Blvd
Los Alamos, NM 87544-3425
+1-505-670-8123 (Mobile - New Mexico)
HotGreenChile at gmail.com (Private email) HotGreenChile at gmail dot com
LinkedIn: https://www.linkedin.com/in/dwmccarn

On Tue, Mar 15, 2016 at 2:36 PM, parthasarathy k s <ksparth at yahoo.co.uk>
wrote:

> Dear Dan,
> Thank you very much for the brief description of the technology of "freeze
> wall" and how it can be constructed.I request your permission to quote you
> in one of the forthcoming articles on Fukushima I am planning to write
> shortly.
> I published one article already. You may, if you so desire, access it at:
> Nuclear power in Japan post Fukushima
>
> |   |
> |   |  |   |   |   |   |   |
> | Nuclear power in Japan post FukushimaWhen the Fukushima accident
> occurred on March 11, 2011, Japan had 50+ nuclear power reactors which
> provided about 30 per cent of the country’s electricity. The Worl... |
> |  |
> | View on www.thehindu.com | Preview by Yahoo |
> |  |
> |   |
>
> Warm regardsParthasarathy
>
>     On Wednesday, 16 March 2016, 0:24, Dan McCarn <hotgreenchile at gmail.com>
> wrote:
>
>
>  Dear Group:
>
> The article mentions that an "ice wall" is being constructed around the
> facility. Due in part to the accuracy of modern directional drilling
> techniques, such a wall can be accurately and effectively constructed, even
> on 1 meter drill centers. The term used in the industry is "Freeze Wall".
>
> Concerning freeze walls, the technology has been used for 100 years and
> recent developments has extended their usefulness. Soil & rock are poor
> conductors of heat, so once frozen, the ground tends to remain frozen.
> Shell Oil proposed this technology and tested large Freeze Walls
> successfully in the Piceance Basin, NW Colorado.Freeze walls are also used
> in uranium mining operations in Canada at McArthur Rivers.
>
> Freeze solutions injected into cased wells can be brines or even anhydrous
> ammonia. NaCl brine can reach -21C. a CaCl2 brine can reach -50C. Anhydrous
> ammonia can reach -77C. Shell Oil chose anhydrous ammonia for their freeze
> wall test.
>
> Because of the proximity to the ocean, sea water intrusion cannot be
> discounted. However, sea water freezes at -2C, so a freeze wall chilled by
> either CaCL2 or anhydrous ammonia would easily serve.
>
>  The closed freeze wall forms a very tight hydrologic barrier so that the
> interior can be pumped and treated.
>
> Dan ii
>
> Dan W McCarn, Geologist
> 108 Sherwood Blvd
> Los Alamos, NM 87544-3425
> +1-505-670-8123 (Mobile - New Mexico)
> HotGreenChile at gmail.com (Private email) HotGreenChile at gmail dot com
> LinkedIn: https://www.linkedin.com/in/dwmccarn
>
> On Tue, Mar 15, 2016 at 11:24 AM, Brennan, Mike (DOH) <
> Mike.Brennan at doh.wa.gov> wrote:
>
> > For decades it has been widely known that the best way to encourage
> > wildlife populations, on land or at sea, to expand is to provide
> > sanctuaries.  If you give animals someplace to live and breed without
> being
> > killed by people the populations recover, then expand to outside the
> > sanctuary.  I hope there are studies going on throughout the evactuation
> > zone and the area closed to fishing to document the changes in wildlife,
> in
> > terms of population, not in search of some defect that can be pointed at
> as
> > proof of "radiation-BAD!"
> >
> > -----Original Message-----
> > From: radsafe-bounces at health.phys.iit.edu [mailto:
> > radsafe-bounces at health.phys.iit.edu] On Behalf Of ROY HERREN
> > Sent: Tuesday, March 15, 2016 3:51 AM
> > To: radsafe <radsafe at health.phys.iit.edu>
> > Subject: Re: [ RadSafe ] NY Times - Fukushima Keeps Fighting Radioactive
> > Tide 5 Years After Disaster
> >
> > Ironically the closed fishing grounds will become a haven for fish and
> > will undoubtedly have a greater diversity and population of fish than
> > nearby open areas.  By closing the area they have in essence created a
> fish
> > sanctuary.  One can only wonder what the nuclear skeptics will think
> about
> > the soon to be larger (allowed to grow larger rather than being caught)
> > fish that will eventually populate this closed area.
> > _______________________________________________
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