Rota Meter

Rotameter is a flow measuring device commonly used in chemical and related industries. It is a simple piece of equipment that consists of a tapered tube and float. The float is placed inside the tube and nets are placed at both ends of the tube. This arrangement can be connected Read more…

Reactive Distillation

Reactive distillation is an integrated operation that combines the catalytic chemical reactions and the distillation in a single unit. This type of distillation is the ideal method for the reactions that are problematic to drive to completion without the continuous separation of one of the products. Such reactions are referred Read more…

Refinery Process

A typical refinery process includes the following major units. Desalting of Crude Oil Crude oil is first processed to remove the water, inorganic salts, suspended solids, and water-soluble trace metals. There are two ways of desalting. In chemical desalting, water and chemical surfactant (demulsifiers) are added to the crude. The Read more…

Rotary Vane Pump

If a pump consists of vanes fixed to a rotor that rotates inside a cavity then it is known as Rotary Vane Pump. It is a positive displacement pump. In some cases, these vanes are variable in length and tensioned to maintain contact with the walls when the pump rotates. Read more…

Relieving Devices

Several types of pressure relief devices are certified under Section VIII of the ASME Boiler and Pressure Vessel Code2 covering unfired pressure vessels. These devices included: Spring-loaded direct-acting relief valves Pilot operated relief valves Rupture disks. 1.  Conventional Relief Valves In a conventional relief valve, the inlet pressure to the Read more…