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FURNACE IN CHEMICAL INDUSTRY

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A furnace is a device in which chemical energy of fuel or electrical energy is converted into heat which is then used to raise the temperature of material, called the burden or stock, placed with in the furnace. Furnace that is operating at temperature below 1200 o F (650 o C) are commonly called ‘oven’. In ceramic industry furnaces are called ‘kilns’. In the petrochemical and CPI (Chemical Process Industries) furnaces may be termed as ‘heaters’, ‘kilns’, ‘after burners’, ‘incinerators’ or ‘destructors’ .   Classification of Furnaces Furnaces are classified from different points of view in order to have an idea of representative types of various industrial furnaces which mainly comprise of three main portions: 1.       The fire place where combustion of fuel takes place. 2.       The working chamber or furnace proper where heat is transferred from products of combustion to the material under heating. 3.   ...
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PROPANE PROCESSING IN OIL AND GAS INDUSTRY

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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...
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GAS ABSORBER IN PROCESS INDUSTRY

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Gas absorbers are used extensively in industry for separation and purification of gas streams as product recovery devices, and as pollution control devices. Gas absorbers are most widely used to remove water soluble inorganic contaminants from air streams. Absorption is a process where one or more soluble components of a gas mixture are dissolved in a liquid (i.e., a solvent).   In gas absorption, soluble vapors are more or less absorbed in th e solvent from it s mixture with inert gas. The purpose of such gas scrubbing operations may be any of the following; ·          For separation of component having the economic value. ·          As a stage in the preparation of some compound. ·          For removing of undesired component (pollution). Types of Absorption ·          Physical absorption, ·   ...
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