What is Water filter?

2017-05-26_174433A water filter removes impurities by minimizing contamination of water using a fine physical barrier, a chemical process or a biological process. Filters cleanse water to different extents for purposes such as providing agricultural irrigation, accessible drinking water, public and private aquaria, and the safe use of ponds and swimming pools.

 

 

Types

  • Water treatment plant filters : Types of water filters include media filters, screen filters, disk filters, slow sand filter beds, rapid sand filters, cloth filters, and biological filters such as algae scrubbers.
  • Point-of-use filters: Point-of-use filters for home use include granular-activated carbon filters (GAC) used for carbon filtering, depth filter, metallic alloy filters, microporous ceramic filters, carbon block resin (CBR), microfiltration and ultrafiltration membranes. Some filters use more than one filtration method. An example of this is a multi-barrier system. Jug filters can be used for small quantities of drinking water. Some kettles have built-in filters, primarily to reduce limescale buildup.
  • Portable water filters: Water filters are used by hikers, aid organizations during humanitarian emergencies, and the military. These filters are usually small, portable and lightweight (1-2 pounds/0.5-1.0 kg or less), and usually filter water by working a mechanical hand pump, although some use a siphon drip system to force water through while others are built into water bottles. Dirty water is pumped via a screen-filtered flexible silicon tube through a specialized filter, ending up in a container. These filters work to remove bacteria, protozoa and microbial cysts that can cause disease. Filters may have fine meshes that must be replaced or cleaned, and ceramic water filters must have their outside abraded when they have become clogged with impurities.

 

厂家推荐

Triwin Watertec is a Taiwan-based water treatment manufacturer.

Since founded in 1984, Triwin is engaged in fulfilling the needs of top quality products and equipment in the water treatment industry world-widely. Now our high quality water filters are recognized as one of best filtration products in the world.

Triwin is not only a water-treatment parts supplier, but also a designer and programmer of medium systems based on customer needs – customer service is our top priority. Need more info about water treatment systems or any question, please do not hesitate to visit Triwin Water Filter Manufacturer.

 

 

Source: Wiki

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