A multistage turbine where steam is extracted (bled) at pressures intermediate between throttle and exhaust, for process or feedwater heating purposes.
Related Terms |
ALKALINE BOIL-OUT
Employed to remove oil and grease deposits from heating surfaces.
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ANNEAL
To soften by heating and allowing to cool slowly.
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FILTER ELEMENT
The porous device that performs the actual process of filtration. Also known as Cartridge
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HYDROFINISHING
A process for treating raw extracted base stocks with hydrogen to saturate them for improved stability.
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ACID ATTACK
Caused by an incomplete flushing after an acid cleaning process of boilers or similar equipment.
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RETURN-STEAM CONDENSATE
That steam produced by a boiler which returns to the boiler after it has condensed.
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ABSORPTION
The assimilation of one material into another; in petroleum refining, the use of an absorptive liquid to selectively remove components from a process stream.
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CRACKING
The process whereby large molecules are broken down by the application of heat and pressure to form smaller molecules.
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ADIABATIC PROCESS
A thermo-dynamic process in which no heat is extracted from or added to the system of the process.
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AIR CONDITIONER
A refrigeration device cooling or heating air.
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