There are numerous crucial issues you will need to know before you can get an ozone generator. Prior to going into facts, nonetheless, it is important to note that we are speaking about corona discharge type ozone generators. These are the most crucial type of industrial/industrial ozone generators. There are other forms of ozone generators, but non corona discharge units are largely for use in little scale applications, producing commonly much less than half a pound per day or less than ten grams per hour of ozone.

This report will review the essential choice aspects and how it relates to several applications for ozone and the effect on the cost of an ozone generator.

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1. Output: This is how a great deal ozone the machine tends to make, normally quoted in grams per hour or pounds per day.

two. Concentration: Ozone can be developed at different concentrations ranging from 1-12 weight %. The concentration of ozone has an effect on most applications and also affects machine output.

three. Gas Feed: you must have a source of feed gas containing oxygen, there are three selections: dry air, oxygen concentrated from air or purchased oxygen (either as liquid oxygen (LOX) or compressed oxygen in cylinders).

four. Generator Cooling: Ozone generator create heat that will have to be removed, the possibilities for removing this heat are air cooling or water cooling.

Picking the proper mixture of features depends strongly on the application. For example, in water therapy applications greater concentrations of ozone are employed though in air therapy applications decrease concentrations can be selected.

Ozone Generator Output

This is the most important element in deciding on an ozone generator. The amount of ozone essential is based on the application requirements. If the ozone is being utilised for removal of organic contaminants from water, the quantity of ozone is proportional to the quantity of organic in the water, the efficiency of the ozone organic reaction and the efficiency of dissolving the ozone into the water.

As a specific instance, ozone is usually employed to minimize chemical oxygen demand (COD) in water. COD is measured in ppm (milligrams per liter – mg/l). It generally requires two mg of ozone per mg of COD to take away the COD. So, if we had to treat 10,000 liters per hour of water containing 50 ppm of COD we would need to have:

10,000 liters/hour X 50 mg/l COD x two mg Ozone/mg COD = 1,000,000 mg/hour

1,000,000 mg/hour = 1,000 g/hour = 1 kg/hour

So, we would need to have to dissolve 1 kg/h of ozone (or 52.eight pounds per day of ozone)

Less than 100% of the ozone injected in the water dissolves, so we need to have to know the ozone transfer efficiency. A well designed venturi injection program can dissolve at least 90% of the ozone. For the case above, you would need 1 kg/h ÷ .90 = 1.11 kg/h (58.7 pounds per day of ozone). This is the amount of ozone we would have to produce at the targeted concentration to dissolve the 1 kg/h of ozone into water.

Critical: A provided method will make much less ozone as the concentration of ozone increases. Ozone transfer efficiency, the rate at which ozone dissolves into water increases with escalating ozone concentration. Each elements will decide the final size of the machine required.

Determining the quantity of ozone required, except for the simplest applications, requires laboratory or pilot research combined with an engineering evaluation to choose the suitable balance amongst ozone dose, concentration and generator size. Typically, an ozone generator firm will not be able to deliver this info. If they can assistance, there will be an added expense for conducting the studies.

Ozone Concentration

As noted above, ozone concentration can impact both the effectiveness of ozone in a given application and the quantity of ozone that can be developed from a provided ozone generator. Basically, high concentration ozone expenses much more, but can do additional in particular applications. Industrial corona discharge systems create anyplace from 1 weight % ozone to 12 weight % ozone. Gas remedy applications ordinarily use the 1-three % range whilst water treatment application ordinarily use five-10 percent.

An significant aspect of ozone concentration is in comparing distinct ozone generators. Companies use unique bases for claiming the nominal output of an ozone generator. Generally, you have to read the fine print to see what concentration they use to claim a provided production price.