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To: ubetcha who wrote (82592)	2/27/2002 2:34:47 AM
From: E. Charters	Read Replies (1) \| Respond to of 116814

It may well turn the ozone or O3 into H2S03 or H2SO4. Ph of the water would then rise proportional to the amount of sulphur in the water. Desulphurizing of the water is recommended I would warrant. This could be accomplished with carbon filtration easily I imagine. Culligan has some no reagant solutions here. Carbon filters will become bacterially contaminated after a while so need changing. I have heard that silver filters work well on water conditioning too so should be investigated as should ultraviolet light for antibiotic prior to filtration. EC<:-}

To: ubetcha who wrote (82592)	2/27/2002 6:39:52 AM
From: Richnorth	Read Replies (1) \| Respond to of 116814

Here's an idea:- How about, in combination with, or instead of, Charters' suggested filtration method, pumping the water into a holding pond/tank where its sulfur could be "ozonized" and converted into H2SO3 and H2SO4 which is then pumped into another pond/tank where the acid(s) are neutralized with, say, a mixture of lime and limestone (Ca(OH)2 and CaCO3, and then returned. Then more of the sulfur-containing water is treated and so on until most, if not all, of the sulfur is gone. If this method is adopted, then your friend will feel better about keeping the ozone-generating machine! Lime and limestone are recommended as they are cheap and readily available. However, there could be one problem. And that is if the body of water is sitting on top of a natural deposit of sulfur. If this is the case, then the proposed treatment will have to be an ongoing (goodness-knows-for-how-long) affair. Logical enough? Just my two bits worth! Of course, it is always easier said than done!

To: ubetcha who wrote (82592)	2/27/2002 12:37:41 PM
From: E. Charters	Read Replies (1) \| Respond to of 116814

If he is making ice with the water, then if the ozone makes S02 or S03, then it may go off as a gas, so it may well fix his sulphur problem and the equipment over time too. He may have additional problems with the water, such as iron, which may cause the yellow coloration in part. As in many problems of this nature, it takes experimentation, as the person who has solved it, generally knows what he is talking about, and we theoreticians do not, really. On the other hand, I find people want to sell you equipment that does not do any job so well as it solves their cash flow problems. So it pays to investigate with a curious mind, and not take people's word for things. Estes Kefauver used to say he was looking for a one-handed scientist. He could ask them for answers, but after giving their opinion, they were always saying "on the other hand". EC<:-}