This is a fact sheet about the chemical Chor-Floc which is used to purify water. This information was compiled by Kathy James for her July 2010 Sanitation Presentation
Currently used by the US Military, 30 tablets per box, eliminates Giardia, bacteria, viruses, removes sediment. Each 600-milligram tablet provides 1.4% available chlorine, and enough flocculating agent for the clarification and disinfection of 1 L (1.10 qts) of water from polluted sources at temperatures of 77 degrees F (25 degrees C). At 41 degrees F (5 C) two 600-milligram tablets will provide 2.8% available chlorine for the same purpose. Intended for the clarification and disinfect ion of polluted/suspended water, to make it bacteriologic ally safe for drinking. Recommended for use during US military exercises. Can also be used for the general public where municipally treated water is not available or where available water is suspected of being polluted. Chlor-Floc contains a combination of flocculation and coagulation agents, which promote rapid formation of sediment in treated water (sediment is easily removed by straining the water through a cloth). After clarification of the water the chlorine released by the active ingredients is then free to kill Giardia Lamblia cysts, bacteria, viruses, and other harmful microorganisms, which are not removed with the sediment. 30 tablets (treats 8 Gallons). Net Wt. 18 g.
This is the same product used by the U.S. Dept. of Defense and the International Red Cross.
Frequently Asked Questions
Q: What makes Chlor-Floc® technology different?
A: Chlor-Floc® is the only water purification chemical in the world that is able to remove turbidity AND sanitize naturally polluted raw water in one step, without the need for any specialized equipment. Other systems typically involve the use of either sanitizers alone or require complicated equipment or treatment sequences that are not suitable for targeted users.
Q: Why is it so important to remove turbidity?
A: Turbidity provides a protective "screen" around pathogens, which makes sanitizers less effective. Removing this turbidity is therefore fundamental to rendering raw water completely safe for human consumption. To illustrate, it has only recently been "discovered" that one of the primary causes of the ongoing failure to eradicate outbreaks of cholera in the underdeveloped communities is the ability of this disease to lie dormant within zooplankton and then to replicate and spread rapidly once external condition are favorable. As a result of these finding, flocculation/filtration has finally been accepted a vital step in the fight against cholera.
Q: Are there any other benefits from flocculation?
A: Yes. Flocculation is critical to addressing the all-important issue of Adoption rate by users or user communities. By combing the processes of flocculation and chlorination, WaterMaker'stm unique dual action effectively boosts the sanitizer component, meaning that less chlorine is required to render the water safe. The result is treated water that is far superior in both taste and visual appearance to that delivered by other chemical methods.
Q: Has Chlor-Floc® been successfully applied in true field conditions?
A: Yes. After proving itself in the field during flood disasters in Africa, South America and Southeast Asia, as well as several refugee crises (such as during the 2nd Gulf War), Chlor-Floc® has become the preferred technology of international aid and donor agencies such as UNICEF, the ICRC, the IFRC, OXFAM and others. The product has also been adopted, in tablet form, by several military institutions worldwide - including the US Department of Defense.
Q: Is any special equipment necessary when using Chlor-Floc®?
A: None. All that is needed is a container (1-20 liters) and a stick for stirring when treating larger quantities of water (hand stirring is also effective).
Q: Is Chlor-Floc® easily and rapidly available?
A: Yes. Because Chlor-Floc® cargo is dense as well as non-hazardous, it can be air freighted in large quantities to any destination at very short notice. This characteristic has been very valuable in assisting flood victims that have been cut off from ground-based supply lines.
Chlor-Floc® - The #1 solution for emergency water purification when disaster strikes.
Chlor-Floc® removes sediment and disinfects any contaminated water within minutes, irrespective of pH, turbidity or level of contamination – leaving it as clear and as clean as bottled water. Chlor-Floc® technology has been tested internationally at the highest level. This includes, amongst others, the United States Defense Force Laboratories at Natick, in Boston, the London School of Tropical Diseases, the South African Council for Scientific and Industrial Research and the Institute for Diseases in a Tropical Environment in Durban, South Africa. Chlor-Floc® tablets are registered with the United States Environmental Protection Agency and are currently the only water purification tablets which have fulfilled the requirements of the 1986 E.P.A. protocol on field-water purification.
Authoritative studies have shown that the taste and appearance of treated water is just as important as the efficacy of the purifying agent, for the simple reason that consumers hesitate to accept water, which is not aesthetically pleasing. It is an accepted fact that iodine and chlorine tablets, flocculating agents and household bleach do not render all types of natural water totally safe or sufficiently potable to the user. Any realistic solution must produce water that is sufficiently potable as to ensure adoption by end users. In its most basic form, the use of Chlor-Floc® powder requires a container, a stick for stirring and a cloth through which to strain the treated water.
In 1989, after almost 10 years of the most stringent testing and thorough research, tablets (known as “Chlor Floc”) were awarded a United States Defense Force contract. Besides its unmatched efficacy, the clarity and palatability of treated water was considered to be significantly superior to any other products tested.
If you don't remove the dirt - you cannot remove the CHOLERA.
Recent research has revealed new strategies in the ongoing fight to eradicate cholera in underdeveloped communities. According to Dr. Rita Colwell, Director of the National Science Foundation in Washington, D.C., the resistance of cholera to traditional methods to prevent outbreaks results from the ability of the bacteria to hide within zooplankton and spread when conditions are favorable. However, the process of flocculation and filtration has now been identified as vital...WaterMakertm technology has been combating this very issue for over 10 years!
Adding Chlor-Floc
Chlor-Floc is a substance that makes muddy water clean and safe to drink. It can be bought from a chemist and is available as a powder or as tablets.
Step 1: To use Chlor-Floc mix one teaspoon of powder with 20 litres of water and stir for a few minutes, or follow the instructions on the pack carefully.
Step 2: The dirt will soon settle to the bottom of the container. The clean water should be filtered through a cloth. The dirt will be left on the cloth.
Step 3: Be sure to keep the clean water covered.
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