Limitations of Ozone treatment in disinfection of water?
Usually only cost. Equipment to make and apply ozone to match a target dose has a payback of 3 - 10 years, and doubling the ozone makes the payback centuries Ozone does not affect hardness, will not reduce BOD (only COD), and does not provide a long-term kill necessary for, say, a water distribution system. Ozone works well as *one* of the tools of water treatment, not the only tool.
IRA contributions are also allowed when you are covered by another retirement plan, subject to certain income limitations. When married and filing a joint return, both taxpayers may contribute to an IRA even if only one spouse is working. The maximum IRA contribution that can be made for 2012 is the lesser of $5,000 ($6,000 if over age 50) or total earned compensation for the year.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.
Related Questions
Why is the ozone hole called a hole when it just contains less ozone than the rest of the ozone layer?
How does the Micropur MP1 compare to other water disinfection systems?
What is the function of ozone in water treatment?
It is true that life could not have existed on land until the ozone layer formed about 2 million years ago Why does life on land require an ozone layer?
Does ozone cause ozone depletion?
Can ground-level ozone rise up to plug the hole in the stratospheric ozone layer?