<div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:large;color:#000066">A very simple way to sterlize water has been developed by us. <a href="http://www.nariphaltan.org/watersterlization.pdf">www.nariphaltan.org/watersterlization.pdf</a></div>
<div class="gmail_default" style="font-family:verdana,sans-serif;font-size:large;color:#000066"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:large;color:#000066">Cheers.</div></div>
<div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Nov 12, 2013 at 6:03 AM, Robert Taylor <span dir="ltr"><<a href="mailto:rt@ms1.hinet.net" target="_blank">rt@ms1.hinet.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<u></u>
<div lang="EN-US" link="blue" bgcolor="#ffffff" vlink="purple">
<div><font face="Verdana">A niggling point: SODIS is NOT
pasteurization. As far as I understand, it works largely by
ultraviolet irradiation, along with a degree of temperature elevation well short
of pasteurization temperatures. According to information (promoting
pasteurization) that I have read online, it is less effective than
pasteurization, which can also be achieved without fuel by using solar heating.
However, SODIS is clearly far better than nothing, and it can be
implemented straight away by the direct use of easily available
equipment (plastic bottles and a bit of cloth).</font></div><span class="HOEnZb"><font color="#888888">
<div><font face="Verdana"></font> </div>
<div><font face="Verdana">Robert Taylor </font></div></font></span><div class="im">
<blockquote style="BORDER-LEFT:#000000 2px solid;PADDING-LEFT:5px;PADDING-RIGHT:0px;MARGIN-LEFT:5px;MARGIN-RIGHT:0px">
<div style="FONT:10pt 新細明體"><span style="FONT-FAMILY:'Calibri','sans-serif'"><u></u><u></u></span> </div>
<div>
<p class="MsoNormal"><span style="FONT-FAMILY:'Calibri','sans-serif'">There's
also the SODIS method for pasteurizing drinking water. If you have 6 hours of
sunlight, you can use a simple fabric filter to get water clear enough and use
a plastic bottle and some reflective metal to pasteurize it:
<a href="http://www.sodis.ch/methode/anwendung/index_EN" target="_blank">http://www.sodis.ch/methode/anwendung/index_EN</a><u></u><u></u></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY:'Calibri','sans-serif'"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY:'Calibri','sans-serif'">Keep in
mind that the pasteurization temperature of water is lower than the boiling
temperature. If the initial water is clean enough, a lot of fuel can be saved
just by bringing it up to the right temperature. Here's a link to a
chart for the temps at which most common pathogens can be killed:
<u></u><u></u></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY:'Calibri','sans-serif'"><a href="http://solarcooking.wikia.com/wiki/Water_pasteurization" target="_blank">http://solarcooking.wikia.com/wiki/Water_pasteurization</a><u></u><u></u></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY:'Calibri','sans-serif'"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY:'Calibri','sans-serif'">Kind
regards,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY:'Calibri','sans-serif'">Erin
Rasmussen<u></u><u></u></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY:'Calibri','sans-serif'">Stoves
Discussion List<u></u><u></u></span></p>
<p class="MsoNormal"><span style="FONT-FAMILY:'Calibri','sans-serif'"><a href="mailto:erin@trmiles.com" target="_blank">erin@trmiles.com</a>
<u></u><u></u></span></p></div></blockquote></div></div>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div dir="ltr"><font face="arial, helvetica, sans-serif" color="#330099">Nimbkar Agricultural Research Institute (NARI)<br>Tambmal, Phaltan-Lonand Road<br>
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