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CHEMICAL ENGINEERING PAKISTAN

In this blog Chemical Engineers from all over the world has provided a complete description of equipment's as well as designing step which follows to design the process equipment easily.Engr Ammad Masood has completed his Chemical Engineering in 2014 from Pakistan.During study,he was design many process equipment such as Heat Exchangers,Separators,Distillation Column,Cooling Tower.The area of interest is Heat Transfer and Separation Process.

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VAPORIZER IN PROCESS INDUSTRY

Vaporizers are heat exchangers which are specially designed to supply latent heat of vaporization to the fluid. In some cases it can also preheat the fluid then this section of vaporizers will be called upon preheating zone and the other section in which latent heat is supplied; is known as vaporization zone but he whole assembly will be called upon a vaporizer. Vaporizers are called upon to fulfill the multitude of latent-heat services which are not a part of evaporative or distillation process. There are two principal types of tubular vaporizing equipment used in industry: Boilers and Vaporizing Exchangers . Boilers are directly fired tubular apparatus, which primarily convert fuel energy into latent heat of vaporization. Vaporizing Exchangers are unfired and convert latent or sensible heat of one fluid into the latent heat of vaporization of another. If a vaporizing exchanger is used for the evaporation of water or an aqueous solution, it is now fairly conventional to call...

DISTILLATION COLUMN IN CHEMICAL INDUSTRY

In process industries, it is often desired to separate the components of a liquid mixture. The easiest way is to carry out this separation is by distillation. This unit operation makes use of the difference in the boiling point or the relative volatilities of the components. Distillation is considered to be the preferred separation technique if the relative volatility difference between the two key components (that are required to be separated from each other) is greater than 1.2. Distillation is carried out by the use of ESA (energy as separating agent). The addition of heat to the system raises the temperature of the system and causes the more volatile component to go to the vapor state preferably as compared to the less volatile component. On the removal of heat, the condensation occurs and the less volatile component is preferentially condensed. As the addition and subsequent removal of heat continues, the vapor phase become rich in the more volatile component and the liquid ph...

PROPANE PROCESSING IN OIL AND GAS INDUSTRY

Chiller As explained earlier that Propane is used as the refrigerant in chiller. Gasses from the gas/gas and gas/liquid enter into the chiller where they are passed through the tubes while propane is on shell side. Excessive drop in temperature occurs here causing heavier hydrocarbons to condense out as propane after exchanging heat vaporizes. MYCOM Compressor After cooling raw gas in chiller, vaporize propane from suction scrubber enters into the MYCOM compressor, which is reciprocating economized screw compressor. The suction pressure remains around 50 KPa and discharge pressure is around 55/56 KPa, which is controlled by pressure control valve (PCV). With gaseous propane lube oil also enters into the vaporize propane which act as a lubricant as well as coolant. This mixture enters into the refrigerant/oil separator, in which lube oil is separated from gaseous propane. After this propane enters into the propane accumulator and then into the FIN fan condenser. Fan Con...