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what is the main purpose of petroleum refining class 8

Wednesday, December 9th, 2020

First the crude is distilled into a number of basic fractions: LPG (liquid propane gas), naphtha (crude gasoline, not to be confused with napalm), kerosene, diesel fuel, and heavy residue. Most of the world's petroleum is to be found in the Middle East, as shown in Figure 8-1 and in more detail in Figure 8-2. In addition to alkanes it has cyclo alkanes, aromatic hydrocarbons and compounds of O, S and N. The composition of petroleum depends upon its source from where it is obtained. Kerosene is used as a fuel for stoves and jet planes. Crude oil, also known as petroleum, is a mixture of hundreds of valuable and worthless compounds. NCERT Solutions for Class 8 Science Chapter 5 Materials Coal and Petroleum Topics and Sub Topics in Class 8 Science Chapter 5 Materials Coal and Petroleum: Section Name Topic Name 5 Materials Coal and Petroleum 5.1 Coal 5.2 Petroleum 5.3 Natural Gas 5.4 Some Natural Resources are Limited Coal and Petroleum Class 8 Science NCERT Textbook […] FIGURE 8-1. What are fossil fuels? Petroleum Refining. Oil from wells is transported to nearest refineries through pipelines. As these constituents serve different purposes, it is important to separate them, or in other words, refine the crude oil. These solutions for Coal And Petroleum are extremely popular among Class 8 students for Science Coal And Petroleum Solutions come handy for quickly completing your homework and preparing for exams. Are natural resources living, non-living or both? Figure 8 … The refining process produces more useful by-products such as petroleum, naphtha, gasoline, liquefied petroleum gas, kerosene which have a higher utility and market demand than crude oil. (c) While refining petroleum which property is used to separate petroleum into its various fractions. They extract their crude oil using giant drilling machines. Petroleum crude oil is a complex mixture of hundreds of different hydrocarbon compounds generally having from 3 to 60 carbon atoms per molecule, although there may be small amounts of hydrocarbons outside that range. Petroleum refining is a technology that uses fossil fuels as raw materials and chemical catalysts as a means to achieve conversion of petroleum through once, twice, and deep processing to get a series of chemical products, which are further used as the basic raw materials for synthetic fibers, synthetic rubber, plastics, chemical fertilizers and pesticides production. When properly refined, petrolatum has no known health concerns. 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