Calcium hypochlorite tablets come in two basic configurations. The two configurations are high flow, generally commercial applications, and low flow applications generally associated with a residential alternative septic system. A typical low flow tablet is manufactured as NORWECO's Blue Crystal chlorination tablets. These tablets are designed to work under very low flow conditions. NORWECO's bio-sanitizer disinfection tablets are good examples of tablets, which are designed to operate under high flow conditions. These higher flow tablets dissolve more quickly and can chlorinate faster following wastewater.
Low flow chlorination tablets are perfect for residential wastewater treatment systems. These systems are generally used in some sort of reuse disposal scheme. For example, the NORWECO SINGULAIR wastewater treatment system has flow equalization (FE) where contentedness low flows are exposed to chlorine tablets.
Low flow systems or systems that do not have flow equalization (FE) generally use of Blue Crystal type chlorine tablet. These tablets are specially design to work under these low flow conditions. The base material is still calcium hypochlorite, with a different tablet-bonding agent. If you are looking for low flow chlorination tablets, then we recommend NORWECO's Blue Crystal disinfection tablets.
Working with chlorine tablets: You should use extreme caution when working with calcium hypochlorite tablets. These tablets can react violently with petroleum based products, similar chlorine compounds, and reducing agents. These tablets can also react, quite violently, with standard swimming pool chlorine. These reactions are serious and can result in fire or explosions. You should always store your chlorine tablets away from other materials in a dry area. This area should be specially designed for chlorine tablets storage. Never store these tablets with petroleum products. The storage area should also be well ventilated to prevent a buildup of chlorine gases.
Whenever you handle calcium hypochlorite tablets, you should use a protective face shield and rubber gloves. Be especially careful when you first open the tablet storage container. Large amounts of chlorine-based gases release when you first open the container. Never, breathe these gases in. The gases can damage your lungs, your face and other mucous membranes, such as your eyes. Handle calcium hypochlorite tablets caution.
Expected chlorine usage: A residence that is home to a family of six should use about 12 chlorine tablets every four months. Wastewater chlorine disinfection cost can be $100 per month or more. Two things can cause excessive chlorine usage; water leaks into your system and/or a poorly designed chlorine tablet feeder. Water leaks can come from sinks or toilets, which can triple your chlorine usage requirements. Chlorine tablet usage is directly related to the daily flow through your system. Secondly, poorly design wastewater tablet feeders, or jerry-rigged tablet feeders can cause excessive chlorine tablet usage. All homemade tablet feeders could simply be a PVC tee with a 3-inch PVC riser. Many plumbers build their own tablet feeders, which is a wrong way to chlorinated wastewater streams. If you suspect that you are using too much chlorine to disinfect your wastewater stream, then you should check for water leaks and/or that you have a properly designed wastewater tablet feeder. You should look for, at a minimum, a NORWECO biodynamic LF series feeder or equivalent.
The price you pay per chlorine tablet can vary greatly from vendor to vendor. Shopping online for your chlorine tablets is a very good option. For example, you can easily spend $100 or more, if you have a larger wastewater treatment system. If you can save 20% or more on the price that you pay per tablet, you can save thousands of dollars per year. It pays to shop for the best price.
To sum everything up, make certain you use calcium hypochlorite tablets only. Take precautions when you handle your chlorine tablets especially when you first open your canisters, and when you pick up or handle the tablets. Do not forget to use personal protective equipment. Track your chlorine usage and look for excessive use. You can cut costs by shopping around, and by using the Internet. If you are upgrading or installing a new chlorination system, then look at NORWECO's biodynamic tablet feeder LF series. Yes, there are competing products , but we feel that the NORWECO products are the best on the market. We would appreciate any feedback that you have about this article. Please feel free to contact us and tell us how you like it.
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Before you buy your wastewater chlorine tablets check out our technical advice. Our articles are written by professional engineers at www.wastewatertreatmentplant.org.. Unique version for reprint here: Wastewater Chlorine Tablet Precautions.
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