Gravel and sand are the important component of a water filtration unit
. All water treatment plants require filter sand and filter gravel in large quantities to build the filtration unit. Getting these supplies from a good company is very important to make sure that the quality is right. Whether you are constructing a new filter unit or replacing sand from an old unit, finding good sand is very important to ensure efficiency and life of the plant.
Filter sand suppliers
A lot of companies supply filtration sand and filter gravel made especially for this purpose. They will be of uniform size and a certain standard in maintained in the grading. Custom made filter sands are also made on special request. Most companies can process your special requests from written specifications or samples of filter sand. Sand will need to be replaced after a certain amount of use. The frequency of change depends upon the properties of the sand and amount of use.
How to recognize good filter sand?
Water filtration sand should be very hard and durable. It should have a very slow breakdown rate. These properties will make the sand remain useable as filter media for a long time, increasing the lifespan of the unit. It should also have good backwashing characteristics. Filter gravels that are used as support material for the filter media should also have some desirable characteristics like slow breakdown rate, durability, etc. If you dont replace sand when you should, the efficiency of the filter unit will get reduced a lot leading to improper filtration.
Applications
It is used to filter water in swimming pools, water treatment units, etc. A lot of screening goes into meeting the standard requirement of the filter sand and filter gravel. Standards- testing in very important to ensure that only quality products get into market. Filter sand is often mixed with activated charcoal when odor removal is required. When the sand gets clogged due to solids passing through it, backwashing is used to remove the blockage. Therefore the sand used in filters should have good backwashing properties.