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How to make a homemade water purifying filter

How to make a homemade water purifying filter


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By Raúl Mannise

That is why today I decided to investigate and share with you valuable information on how we can with few means make ourselves a filter with good characteristics that cleans and purifies water, even at a bacteriological level.

Long ago we realized the importance of water and its purification, sand and gravel filters have been used for centuries to prevent diseases such as Cholera. This type of filter simulates what happens in nature where the water is filtered naturally when it passes through this type of material, leaving the springs clean.

This type of filter uses the mechanical action of passing through sand and gravel to remove the elements that cloud the water and, in combination with carbon and benign bacteria, also reduce the bacterial load of pathogens that could cause damage to our health.

Materials to make the filter:

  • A plastic container approximately one meter high.
  • Gravel.
  • Fine, clean sand.
  • Small rocks.
  • Medium stones.
  • Activated carbon.

Preparation of materials to build the water filter

Both the plastic container and the stones, sand and gravel must be prepared before constructing the filter. For this, the container must be cleaned with plenty of clean water and antibacterial soap. The same with stones and sand that must be cleaned with water and shaken to remove any impurities.

The water container tank must be closed with a lid to be able to access to clean it, a stopcock must be placed to enter the water to be treated at the top and another at the bottom to extract the water already treated, as can be done. see in the schematic below:


Assembling the Home Water Purifier:

The assembly process is simple, it only consists of layering the materials in an established order so that they fulfill their function, in the case of the scheme of the upper part, Antonio uses a tube in the lower outlet of the same height as the system and transparent of way to know how much water passes through the filter, if the water height is the same in the tube as in the filter, that indicates that the filter is poorly assembled, if the level is a little lower it works well and if it is very low it is covered and must be cleaned, this witness is not necessary but it is a very useful idea.

In today's case we are going to see an improved edition of the slow sand filter since we will put activated carbon that, in addition to giving the water a good taste, fulfills an antibacterial function.

Filter layers:

- 25 cm of medium pebble stones or whatever you find

- 12 cm of small stones of more than 64 mm.

- 3 cm of gravel between 2 to 64 mm.

- 3 cm of activated carbon is practically the only thing to buy.

- 2 cm of gravel between 2 to 64 mm.

- 6 cm of fine sand if it is beach with salt water, wash well until all the salt is removed.

- 6 cm of gravel the same as the previous ones.

-12 cm of small stones over 64mm, it can be split stone but the rolled edge works better.

Carbon is not essential but it improves filter performance and is not very expensive.

Operation and Maintenance of the Water Purifying Filter

The principle is very simple, the water enters from the top, passes through the different layers to arrive clean at the end of the route, it is a clean filter, so if you do thinking about a family, you should have another container where you can store a reserve of water filtered to improve its performance.

Every 6 months we must disassemble the filter, wash the sand, stones, gravel well again and replace the activated carbon since it loses properties over time and the water it filters.

The proposed size can be varied according to needs, we can even make a quick and simple filter with a bottle, for example if we are camping and we do not have access to a reliable source of water.

How to make a homemade filter with a bottle (portable !!!)

Eco-things


Video: DIY: Make Swamp Water Drinkable! King Of Random Dives Into How To Make A Homemade DIY Water Filter (June 2022).


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