[emcoasthvacr]

this should be interesting:

Based on technicians that service swimming pools, an average swimming pool evaporates approximently 3/4 gal (96 oz) of Chlorine a day during the summer in North Florida -- this is more than most refrigerant charged residential systems.

Help us explain why Chlorine from swimming pools don't contribute to either ozone depletion or global warming than does refrigerants?

thx

 

[pyropaul]

Chlorine is a very reactive gas and quickly reacts after it has evaporated from the pool and hence never reaches the upper atmosphere where the ozone layer is.

CFCs and HCFCs are very stable molecules that break down very slowly in the presence of UV light. Because they are so stable, they do end up in the upper atmosphere where they get broken down - it's chlorine ions that react with ozone to catalytically reduce it to ozone (leaving the Cl- ions in place to react with more O3).

Ozone depletion and global warming are not related in any way - though CFCs, HCFCs and HFCs are global warming gases, just that their concentration is so low as to have very little effect compared to CO2, water vapour and methane.

Hope this helps,

Paul in Montreal.

 

[emcoasthvacr]

yea, but u still have ground level ozone depletion

I've heard that argument before -- but Chlorine destroys the ground level ozone, which scientists argue is as important as, if not more important than upper level ozone depletion. Moreover, there's no scientific proof that Chlorine doesn't effect atmospheric ozone depletion.

Chlorine is a very reactive gas and quickly reacts after it has evaporated from the pool and hence never reaches the upper atmosphere where the ozone layer is.

CFCs and HCFCs are very stable molecules that break down very slowly in the presence of UV light. Because they are so stable, they do end up in the upper atmosphere where they get broken down - it's chlorine ions that react with ozone to catalytically reduce it to ozone (leaving the Cl- ions in place to react with more O3).

Ozone depletion and global warming are not related in any way - though CFCs, HCFCs and HFCs are global warming gases, just that their concentration is so low as to have very little effect compared to CO2, water vapour and methane.

Hope this helps,

Paul in Montreal.

 

[amd]

I've heard that argument before -- but Chlorine destroys the ground level ozone, which scientists argue is as important as, if not more important than upper level ozone depletion. Moreover, there's no scientific proof that Chlorine doesn't effect atmospheric ozone depletion.

Based on pseudo-science perhaps. Ground level ozone does not block UV rays. Furthermore, it a harmful component of urban smog...

O3 irritates the respiratory tract and eyes. Exposure to high levels of O3 results in chest tightness, coughing and wheezing. People with respiratory and heart problems are at a higher risk. Ozone has been linked to increased hospital admissions and premature death. Ozone causes agricultural crop loss each year in Ontario and noticeable leaf damage in many crops, garden plants and trees.

 

[pyropaul]

I've heard that argument before -- but Chlorine destroys the ground level ozone, which scientists argue is as important as, if not more important than upper level ozone depletion. Moreover, there's no scientific proof that Chlorine doesn't effect atmospheric ozone depletion.

Ground-level ozone is a bad thing and is a major cause of smog and respiratory ailments. It does nothing to filter UV and is not a useful gas to have around. There's a well tested mechanism to account for CFCs being implicated in atmospheric ozone depletion and a corresponding reduction in that depletion since the banning of CFCs as propellants for aerosols. It's not chlorine gas that's the problem, it's chloride ions ("free radicals" if you like) - and these are released during the UV-induced breakdown of CFCs and HCFCs. The effect is particularly noticeable at the poles.

For more information on sources of atmospheric chlorine (and why the salt from the sea doesn't play any role in ozone depletion) see: http://zebu.uoregon.edu/text/ozone

See also http://www.atm.ch.cam.ac.uk/tour/part3.html for the mechanism at work at the poles.

Paul in Montreal.

 

[amd]

Ozone layer recovering since implementation of montreal protocol

 

[AcDOCnTRAINING]

I dont know!!!

Well explian this to me I never understood this:

The air contains 9340 parts per million of Argon 1% & 780 800 PPM of nitrogen 78% highly blendable gases. So the refrigeerant released would eventualy blend with these gases.The Troposphere (12-20 miles) up which contains most of the airs moisture comes first(so it be saturated with moisture), then comes Stratosphere (50 miles up)the part of the atmosphere thats has absurbtion of about 70% of the of all UV light which we all know its distructive power. NO one has been able to measure the suns capacity in a fix moment at a fixed time in a fixed area (rotation of the earth is 987mph), or reproduce the energy given by the sun when they test the atmospheres reaction to CFC's. Would not this be a variable??? could not these changes that occur up there interupt the ionization process of these gases,is it all theory???If so we may be blaming the wrong thing???

Anyone please explian I'm very curious Thank you

 

[geodude]

Did anybody fine the state of WA when mount saint helens blew her head off in 1980? something like 30 million tons of chlorine gas
Hey AcDoc time for a drink!!!!!

 

[AcDOCnTRAINING]

Yes Sir!

Did anybody fine the state of WA when mount saint helens blew her head off in 1980? something like 30 million tons of chlorine gas
Hey AcDoc time for a drink!!!!!

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