Original Written By Demi Moore Trump’s mid-east trip is capturing international curiosity and arousing regional intension in Arabian Peninsula. One of the outcomes of USA president’s visit is Qatar was isolated…
Filter paper is a semi-permeable paper barrier placed perpendicular to a liquid or air flow. It is used to separate fine substances from liquids or air. Filter paper comes in…
Selecting the correct filter paper in laboratory science is dependent upon the requirements involved in the use of the paper. These requirements will determine what type of particle retention and…
Backwashing of the filters is the single most important operation in the maintenance of the filters. If the filter is not backwashed effectively, problems may occur that may be impossible…
When a filter is subjected to rapid changes in flow rate, the turbidity of the effluent may be affected, and the dirtier the filter media, the greater the effect. When…
There are three major types of filter problems. They can be caused by chemical treatment before the filter, control of filter flow rate, and backwashing of filters. Chemical Addition Before…
When water passes through a filter, the floc sometimes is torn apart into smaller particles that penetrate deeply into the filter media, causing premature turbidity breakthrough. This requires more frequent…
When filtration is started after backwash, the filtered water should be wasted until the turbidity in the effluent meets standards. Depending on the type of filter, this may last from…
Proper back washing is a very important step in the operation of a filter. If the filter is not backwashed completely, it will eventually develop operational problems. If a filter is to…
A UK-based team of researchers has created a graphene-based sieve capable of removing salt from seawater. The sought-after development could aid the millions of people without ready access to clean…