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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Stovers;<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Producing methane to use in a burner I am
having problems with some pressure calculations and hope someone can help.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>The set up has three containers. A, B and
C<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><span style='mso-list:Ignore'>A)<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>      </span></font></span></span></font><![endif]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>is an upside down filled water bottle hung where the top is 127 cm
from the floor and the bottom 81.3 cm from floor. <o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><span style='mso-list:Ignore'>B)<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>      </span></font></span></span></font><![endif]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>Is a water filled pipe 83.8 cm long where the (A) container opening
is 2.54 cm into the water. <o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><span style='mso-list:Ignore'>C)<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>      </span></font></span></span></font><![endif]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>Is a container filled with cow manure and stuff, sealed with a
single tube going out the top and into the opening of (A).<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Note: (A) is a 5 gallon water bottle, (B)
a PVC pipe ~2” dia. And C a five gallon bucked with lid sealing the top. <o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Methane produced from (C ) goes into (A)
displacing the water that then spills over into a container that (B) sits in. <o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Questions:<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo2'><![if !supportLists]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><span style='mso-list:Ignore'>1)<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>       </span></font></span></span></font><![endif]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>Does the gases produced in (A) have the same volume as if in
atmosphere? <o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo2'><![if !supportLists]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><span style='mso-list:Ignore'>2)<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>       </span></font></span></span></font><![endif]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>If not, how is it calculated and what would the volume be at open
atmosphere?<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo2'><![if !supportLists]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><span style='mso-list:Ignore'>3)<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>       </span></font></span></span></font><![endif]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>Is there a difference in pressure required to fill (A) with methane
if the tube goes all the way to the inside top (into the methane gas) of (A) or
is it the same as if just going several cm up into the bottle?<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo2'><![if !supportLists]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><span style='mso-list:Ignore'>4)<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>       </span></font></span></span></font><![endif]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>Is there a change in methane pressure as (A) fills with gas?<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l1 level1 lfo2'><![if !supportLists]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><span style='mso-list:Ignore'>5)<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>       </span></font></span></span></font><![endif]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>Does the height of (A) relative to (C) change anything regarding
gas pressure in (A)?<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.25in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal style='margin-left:.25in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>I would
like to know the calculations as I find I have no idea where to start.<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.25in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal style='margin-left:.25in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>Thanks<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.25in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>For any
help..<o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.25in'><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal style='margin-left:.25in'><st1:PersonName w:st="on"><font
 size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
 color:navy'>Frank</span></font></st1:PersonName><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<div>

<p class=MsoNormal><st1:PersonName w:st="on"><font size=2 color=black
 face=Arial><span style='font-size:10.0pt;font-family:Arial'>Frank</span></font></st1:PersonName><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> Shields</span></font><o:p></o:p></p>

<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Control Laboratories, Inc.</span></font><o:p></o:p></p>

<p class=MsoNormal><st1:Street w:st="on"><st1:address w:st="on"><font size=2
  color=black face=Arial><span style='font-size:10.0pt;font-family:Arial'>42
  Hangar Way</span></font></st1:address></st1:Street><o:p></o:p></p>

<p class=MsoNormal><st1:place w:st="on"><st1:City w:st="on"><font size=2
  color=black face=Arial><span style='font-size:10.0pt;font-family:Arial'>Watsonville</span></font></st1:City><font
 size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>, <st1:State
 w:st="on">CA</st1:State>  <st1:PostalCode w:st="on">95076</st1:PostalCode></span></font></st1:place><o:p></o:p></p>

<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'>(831) 724-5422 tel</span></font><o:p></o:p></p>

<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'>(831) 724-3188 fax</span></font><o:p></o:p></p>

<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'><a href="mailto:frank@compostlab.com">frank@compostlab.com</a></span></font><o:p></o:p></p>

<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'><a href="http://www.compostlab.com">www.compostlab.com</a></span></font><o:p></o:p></p>

<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> </span><o:p></o:p></font></p>

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