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Today pigs are used during all phases in the life of a pipeline for many different reasons. Fig. 1 Cleaning pig in a pipeline Fig. 2 Classification of pipeline pigs. Pigs used today can be divided into three categories (Fig. 2): Utility Pigs, are used to perform functions such as cleaning, separating, or dewatering.
Pigs are also used in oil and gas industries to clean or clear pipelines. Intelligent or "Smart pigs" are used to inspect pipelines to assess their condition and to prevent leaks, which can be hazardous or harmful to the environment. They usually do not interrupt production, though some product can be lost when the pig is removed.
Ice pigging is a technique used for cleaning pipes, distinguished from traditional pigging by the use of a semi-solid 'pig' made of ice, rather than a solid object. This ice pig is capable of flowing through pipes, navigating obstructions such as valves and variations in pipe diameter, due to its fluid-like properties.
In wet rendering, pig fat is boiled in water or steamed at a high temperature and the lard, which is insoluble in water, is skimmed from the surface of the mixture or separated in an industrial centrifuge. In dry rendering, the fat is exposed to high heat in a pan or oven without water (a process similar to frying bacon).
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They are made of pigs' small intestines, boiled in bouillon, then grilled on a fire of grapevine cane. This is considered an expensive delicacy. Andouillette is a type of sausage, found especially in Troyes, which is made predominantly of pig chitterlings. Andouille is another kind of French chitterlings sausage found especially in Brittany and ...
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Taylor Swift is giving fans a glimpse inside her much-talked-about Eras Tour "cleaning cart.". On Wednesday, Dec. 11, Swift, 34, shared a carousel of photos on Instagram from her time onstage ...