How to Purify Water by Filtration and Other Methods?
Water filtration is a useful way of solving many water problems. However, it is also important to understand that filtration does not eliminate all contaminants. For that, you need other methods.
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Filtration is the process of removing microscopic bacteria and particles from water. There are two types of filtration: mechanical and chemical. The first is less expensive and effective. It uses a mesh net or cloth to filter out large debris and dirt. Chemical filtration is also effective. This method removes impurities such as chlorine, heavy metals and microorganisms.
You can use a fine mesh strainer lined with clean cotton shirt, muslin, or cheesecloth. Strain the water through this mesh to remove large debris and particulates. After you have filtered the water, you can store it in clean containers with lids.
If you’re planning to travel to a developing country, you’ll want to purify your water before you drink it. In some areas, rainwater is not considered safe to drink. Also, some municipal water may be treated with chemicals and have an unpleasant taste.
Some people choose to boil their water. While boiling is an effective purification method, it does not remove all impurities. Depending on the temperature of the water, you might be able to remove viruses and bacteria. But be sure to cool the water after boiling.
Another filtration method is reverse osmosis. This is the most common and efficient water purification method. Reverse osmosis is often used in combination with other filters. Unlike distillation, reverse osmosis forces the water through a semipermeable membrane. Afterwards, the vapor is directed into a condenser to cool.
Another type of filtration is ultrafiltration. Ultrafiltration uses artificial ultraviolet light to break down the molecules of water. This works well with organic molecules. However, it’s not as effective with minerals. Depending on the type of filter, you can remove certain organic compounds, such as multivalent ions.
Other methods of water filtration include activated charcoal and disinfectant tablets. These methods are useful when you don’t have any other options. They are especially effective for killing protozoa. Commercial water filters are also available.
One of the most popular chemical water treatment processes is bleach. Adding a mild bleach solution of 5% chlorine to water can kill bacteria and microorganisms. Iodine is also a popular chemical water treatment. Though it adds an unpleasant taste, it is an effective way of deactivating harmful agents.
However, it is not suitable for large-scale purification. Even so, it is often used in emergency situations when other methods are not available. And, it is not effective on colored water.
A DIY water filter can help you remove any dirt, debris, smell, and particles from water. You can make your own filter using activated carbon, gravel, or even fruit peels.
When traveling to a third world country, it is best to drink bottled water. This is because the water you get in these countries is often contaminated with bacteria and viruses.
Filtration is an easy and inexpensive way of cleaning water. It can also help solve other water problems.